html, body { height: 100vh; overflow: hidden; }
  body { display: flex; flex-direction: column; margin: 0; }

  .verity-bg {
    position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  }
  .verity-bg__grid {
    position: absolute; inset: -40px;
    display: grid; grid-auto-rows: 96px; gap: 24px;
    place-content: start center; opacity: 0.11; color: var(--xeit-watermark);
  }
  .verity-bg__cell {
    width: 96px; height: 96px;
    display: grid; grid-template-columns: auto 1fr auto;
    align-items: center; justify-items: center; color: inherit;
  }
  .verity-bg__cell::before, .verity-bg__cell::after {
    content: ''; width: 14px; height: 36px; border: 1px solid currentColor;
  }
  .verity-bg__cell::before { border-right: none; }
  .verity-bg__cell::after { border-left: none; }
  .verity-bg__cell .dots { display: inline-flex; gap: 6px; }
  .verity-bg__cell .dots span {
    width: 4px; height: 4px; background: currentColor; border-radius: 999px;
  }
  .verity-bg__cell.accent { color: var(--xeit-coral-400); opacity: 0.7; }

  .verity-main {
    flex: 1; display: flex; flex-direction: column;
    position: relative; z-index: 1; min-height: 0; width: 100%;
  }

  .hero-lockup { display: inline-block; position: relative; margin: 0 auto; }
  .verity-title {
    font-size: clamp(88px, 13vw, 168px); line-height: 0.92;
    letter-spacing: -0.035em; font-weight: 400; font-style: italic;
    margin: 0; color: var(--xeit-fg-strong);
  }
  .verity-title .letter { display: inline-block; }
  .verity-title .letter--accent { color: var(--xeit-coral-400); }
  .verity-byline {
    position: absolute; bottom: 0.18em; left: calc(100% + 14px);
    transform: translateY(40%); font-size: clamp(15px, 1.4vw, 18px);
    color: var(--xeit-fg-muted); font-style: italic;
    letter-spacing: 0.02em; white-space: nowrap; line-height: 1.3;
  }
  .verity-byline .byline-mark { color: var(--xeit-coral-400); font-style: normal; }

  #loginScreen {
    flex: 1; display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    width: 100%; padding: 80px 32px 80px;
  }
  .login-form { margin-top: 64px; width: 100%; max-width: 480px; text-align: center; }
  .login-form__hint {
    font-size: 15px; color: var(--xeit-fg); font-style: italic;
    margin-bottom: 28px; line-height: 1.6;
  }
  .login-form__row {
    display: flex; align-items: center;
    background: var(--xeit-input-bg); border: 1px solid var(--xeit-border-strong);
    border-radius: 24px; padding: 6px 16px;
    transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
  }
  .login-form__row:focus-within {
    border-color: var(--xeit-coral-400); box-shadow: var(--shadow-glow);
  }
  .login-form__row .bracket {
    color: var(--xeit-coral-400); font-size: 24px; font-weight: 400;
    user-select: none; line-height: 1;
  }
  .login-form__input {
    flex: 1; font-family: var(--font-serif); font-size: 15px; line-height: 1.5;
    background: transparent; border: none; outline: none;
    color: var(--xeit-fg-strong); padding: 14px;
  }
  .login-form__input::placeholder { color: var(--xeit-ink-500); font-style: italic; }
  .login-form__submit {
    margin-top: 18px; font-family: var(--font-serif); font-size: 13px;
    background: var(--xeit-bone-200); color: var(--xeit-ink-100); border: none;
    border-radius: var(--radius-pill); padding: 12px 28px; cursor: pointer;
    display: inline-flex; align-items: center; gap: 7px;
    transition: background var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
  }
  .login-form__submit:hover { background: var(--xeit-bone-100); }
  .login-form__submit:disabled { opacity: 0.45; cursor: not-allowed; }
  .login-form__submit .arrow { transition: transform var(--dur-base) var(--ease-out); }
  .login-form__submit:hover:not(:disabled) .arrow { transform: translateX(2px); }
  .login-form__message {
    margin-top: 28px; width: 100%; max-width: 480px;
    font-size: 14px; color: var(--xeit-fg); font-style: italic;
    line-height: 1.6; text-align: center;
  }
  .login-form__message.is-error { color: var(--xeit-coral-400); }

  #chatScreen { flex: 1; display: flex; flex-direction: column; min-height: 0; width: 100%; }

  .verity-page.state-empty #chatScreen {
    justify-content: center; align-items: center;
    padding: 100px 32px 100px; gap: 56px;
  }
  .verity-page.state-empty .empty-hero { display: block; text-align: center; }
  .verity-page.state-empty .transcript { display: none; }
  .verity-page.state-empty .prompt-wrapper { width: 100%; max-width: 760px; }

  .verity-page.state-active #chatScreen { padding: 0; }
  .verity-page.state-active .empty-hero { display: none; }
  .verity-page.state-active .transcript {
    flex: 1; overflow-y: auto; padding: 110px 32px 24px;
    min-height: 0; scroll-behavior: smooth;
  }
  .verity-page.state-active .transcript::-webkit-scrollbar { width: 6px; }
  .verity-page.state-active .transcript::-webkit-scrollbar-track { background: transparent; }
  .verity-page.state-active .transcript::-webkit-scrollbar-thumb {
    background: var(--xeit-border-strong); border-radius: 999px;
  }
  .verity-page.state-active .prompt-wrapper {
    flex-shrink: 0; padding: 16px 32px 28px; width: 100%;
  }
  .verity-page.state-active .prompt-wrapper > .prompt {
    max-width: 760px; margin: 0 auto;
  }
  .verity-page.state-active .verity-hint { display: none; }

  .transcript-header {
    text-align: center; padding: 0 0 40px; margin-bottom: 24px;
    max-width: 760px; margin-left: auto; margin-right: auto;
    border-bottom: 1px solid var(--xeit-border); position: relative;
  }
  .verity-title-small {
    font-size: clamp(36px, 5vw, 52px); line-height: 1;
    letter-spacing: -0.025em; font-weight: 400; font-style: italic;
    margin: 0; color: var(--xeit-fg-strong);
  }
  .verity-title-small .letter--accent { color: var(--xeit-coral-400); }
  .verity-byline-small {
    font-size: 12px; color: var(--xeit-fg-muted); font-style: italic;
    letter-spacing: 0.08em; margin-top: 8px;
  }
  .verity-byline-small .byline-mark { color: var(--xeit-coral-400); font-style: normal; }

  .prompt-wrapper { position: relative; }
  .prompt {
    position: relative;
    background: var(--xeit-input-bg); border: 1px solid var(--xeit-border-strong);
    border-radius: 24px; padding: 6px;
    transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
    text-align: left; width: 100%;
  }
  .prompt:focus-within { border-color: var(--xeit-coral-400); box-shadow: var(--shadow-glow); }

  .prompt__portfolio-context {
    display: inline-flex; align-items: center; max-width: calc(100% - 24px);
    margin: 10px 16px 0; padding: 4px 9px;
    border: 1px solid var(--xeit-border); border-radius: var(--radius-pill);
    color: var(--xeit-fg-muted); background: var(--xeit-bg-raised);
    font-family: var(--font-serif); font-size: 11px; font-style: italic;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .prompt__portfolio-context[hidden] { display: none; }
  .prompt__attachments { display: none; flex-wrap: wrap; gap: 6px; padding: 12px 16px 4px; }
  .prompt__attachments.has-files { display: flex; }
  .attachment-chip {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 5px 10px 5px 12px;
    background: var(--xeit-bg-raised); border: 1px solid var(--xeit-border-strong);
    border-radius: var(--radius-pill);
    font-family: var(--font-serif); font-size: 12px;
    color: var(--xeit-fg); max-width: 280px;
  }
  .attachment-chip--download {
    cursor: pointer;
    text-decoration: none;
    transition: color var(--dur-fast) var(--ease-out),
                border-color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .attachment-chip--download:hover {
    color: var(--xeit-coral-400);
    border-color: var(--xeit-coral-400);
    background: rgba(239, 125, 94, 0.06);
  }
  .attachment-chip--download:focus-visible {
    outline: 2px solid var(--xeit-coral-300, var(--xeit-coral-400));
    outline-offset: 2px;
  }
  .attachment-chip__icon { color: var(--xeit-coral-400); flex: none; display: inline-flex; }
  .attachment-chip__icon svg { width: 12px; height: 12px; stroke-width: 1.7; }
  .attachment-chip__name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-style: italic; }
  .attachment-chip__size { color: var(--xeit-fg-muted); font-size: 11px; flex: none; }
  .attachment-chip__download { color: var(--xeit-fg-muted); flex: none; display: inline-flex; }
  .attachment-chip__download svg { width: 12px; height: 12px; stroke-width: 1.8; }
  .attachment-chip__notice {
    color: var(--xeit-coral-400); font-size: 10px; font-style: italic;
    white-space: nowrap; flex: none;
  }
  .attachment-chip__remove {
    background: transparent; border: none; color: var(--xeit-fg-muted);
    cursor: pointer; padding: 0; width: 14px; height: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    transition: color var(--dur-fast) var(--ease-out);
  }
  .attachment-chip__remove:hover { color: var(--xeit-coral-400); }
  .attachment-chip__remove svg { width: 12px; height: 12px; stroke-width: 1.8; }
  .attachment-chip.is-loading { opacity: 0.55; }
  .attachment-chip.is-error { border-color: var(--xeit-coral-400); color: var(--xeit-coral-400); }
  .attachment-chip.is-downloading { opacity: 0.68; cursor: wait; }
  .attachment-chip.is-unavailable {
    color: var(--xeit-fg-muted); border-color: var(--xeit-border); cursor: not-allowed;
  }
  .attachment-chip.is-unavailable:hover {
    color: var(--xeit-fg-muted); border-color: var(--xeit-border); background: var(--xeit-bg-raised);
  }

  .prompt__field { display: flex; align-items: stretch; gap: 0; padding: 16px 18px; }
  .prompt__bracket {
    position: relative;
    flex: none;
    width: 11px;
    color: var(--xeit-coral-400);
    user-select: none;
  }
  .prompt__bracket svg {
    position: absolute;
    left: 0; right: 0;
    top: 3px; bottom: 3px;
    width: 100%; height: calc(100% - 6px);
    display: block;
  }
  .prompt__textarea {
    flex: 1; font-family: var(--font-serif); font-size: 16px; line-height: 1.5;
    color: var(--xeit-fg-strong); background: transparent;
    border: none; outline: none; resize: none;
    padding: 4px 14px; min-height: 30px; max-height: 240px; overflow-y: auto;
  }
  .prompt__textarea::placeholder { color: var(--xeit-ink-500); font-style: italic; }
  .prompt__bar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 14px 6px 18px; border-top: 1px solid var(--xeit-border);
  }
  .prompt__icons { display: flex; gap: 4px; align-items: center; }
  .icon-btn {
    background: transparent; border: none; color: var(--xeit-ink-400);
    width: 34px; height: 34px; border-radius: var(--radius-pill); cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  }
  .icon-btn:hover { color: var(--xeit-coral-400); background: rgba(239, 125, 94, 0.08); }
  .icon-btn:disabled { opacity: 0.35; cursor: not-allowed; }
  .icon-btn:disabled:hover { color: var(--xeit-ink-400); background: transparent; }
  .icon-btn svg { width: 16px; height: 16px; stroke-width: 1.75; }
  .icon-btn.is-active {
    color: var(--xeit-coral-400);
    background: rgba(239, 125, 94, 0.14);
  }
  .icon-btn.is-active:hover {
    color: var(--xeit-coral-300);
    background: rgba(239, 125, 94, 0.22);
  }
  .icon-btn--reason {
    border: none;
    background: transparent;
    color: var(--xeit-coral-400);
    font-family: var(--font-sans);
    letter-spacing: 0;
  }
  .icon-btn.is-super-boost {
    box-shadow: 0 0 0 4px rgba(239, 125, 94, 0.13);
  }
  .reason-glyph {
    display: block;
    line-height: 1;
    font-size: 15px;
    font-style: normal;
    font-weight: 700;
  }

  .prompt__send {
    font-family: var(--font-serif); font-size: 14px;
    background: var(--xeit-bone-200); color: var(--xeit-ink-100);
    border: none; border-radius: var(--radius-pill);
    min-width: 104px; height: 34px; padding: 0 28px; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center; gap: 0;
    line-height: 0; flex: 0 0 auto;
    transition: background var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
  }
  .prompt__send:hover { background: var(--xeit-bone-100); }
  :root[data-theme="light"] .prompt__send {
    background: var(--xeit-ink-100);
    color: var(--xeit-bone-200);
  }
  :root[data-theme="light"] .prompt__send:hover { background: var(--xeit-ink-200); }
  .prompt__send:disabled { opacity: 0.45; cursor: not-allowed; }
  .prompt__send.is-processing {
    gap: 0;
    justify-content: center;
    background: transparent;
    color: var(--xeit-coral-300);
    border: 1px solid rgba(239, 125, 94, 0.42);
  }
  .prompt__send.is-processing:hover { background: rgba(239, 125, 94, 0.14); }
  :root[data-theme="light"] .prompt__send.is-processing {
    background: var(--xeit-ink-100);
    color: var(--xeit-bone-200);
    border-color: var(--xeit-ink-100);
  }
  :root[data-theme="light"] .prompt__send.is-processing:hover {
    background: var(--xeit-ink-200);
  }
  .prompt__send .send-icon {
    width: 25px;
    height: 25px;
    display: block;
    color: currentColor;
    flex: none;
  }
  .prompt__send .send-icon--play { transform: translateX(1px); }

  .scroll-to-bottom {
    position: absolute; top: -50px; left: 50%;
    transform: translateX(-50%) translateY(6px);
    background: var(--xeit-bg-raised); border: 1px solid var(--xeit-border-strong);
    color: var(--xeit-fg-muted); width: 36px; height: 36px;
    border-radius: 999px; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out),
                transform var(--dur-base) var(--ease-out),
                color var(--dur-fast) var(--ease-out),
                border-color var(--dur-fast) var(--ease-out);
    z-index: 5; box-shadow: 0 4px 12px -4px rgba(0,0,0,0.25);
  }
  .scroll-to-bottom.is-visible {
    opacity: 1; pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
  .scroll-to-bottom:hover { color: var(--xeit-coral-400); border-color: var(--xeit-coral-400); }
  .scroll-to-bottom svg { width: 16px; height: 16px; stroke-width: 1.8; }

  .verity-hint, .verity-warning {
    margin-top: 18px; font-size: 12px;
    color: var(--xeit-fg-muted); font-style: italic; letter-spacing: 0.04em;
    text-align: center; max-width: 760px; margin-left: auto; margin-right: auto;
    line-height: 1.6;
  }
  .verity-warning { display: none; }
  .verity-page.state-active .verity-warning { display: block; margin-top: 14px; }

  .transcript { width: 100%; min-width: 0; }
  .transcript-inner { width: 100%; max-width: 760px; min-width: 0; margin: 0 auto; }
  .message { min-width: 0; max-width: 100%; margin-bottom: 36px; }
  .message:last-child { margin-bottom: 12px; }
  .message--user {
    display: flex; flex-direction: column; align-items: flex-end;
  }

  .message__role {
    font-size: 14px; letter-spacing: 0.18em;
    color: var(--xeit-coral-400); text-transform: lowercase;
    font-style: italic; margin-bottom: 12px;
  }
  .message--user .message__role { text-align: right; }

  .message__attachments { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }

  .message__body {
    font-family: var(--font-serif); color: var(--xeit-fg);
    line-height: var(--lh-loose);
    box-sizing: border-box; width: 100%; max-width: 100%; min-width: 0;
    word-wrap: break-word; overflow-wrap: break-word;
  }
  .message--user .message__body {
    width: fit-content; max-width: min(100%, 606px);
    font-size: 15px; color: var(--xeit-fg-strong);
    white-space: pre-wrap;
    text-align: justify; text-align-last: left; hyphens: auto;
  }
  .verity-page.typewriter-focus-on [data-typewriter-focus-target] {
    transition:
      opacity 220ms var(--ease-out),
      color 220ms var(--ease-out);
  }
  .verity-page.typewriter-focus-on [data-typewriter-focus-target].typewriter-focus-active {
    opacity: 1;
    color: var(--xeit-fg-strong);
  }
  .verity-page.typewriter-focus-on [data-typewriter-focus-target].typewriter-focus-near {
    opacity: 0.78;
  }
  .verity-page.typewriter-focus-on [data-typewriter-focus-target].typewriter-focus-dim {
    opacity: 0.46;
    color: color-mix(in srgb, var(--xeit-fg) 72%, var(--xeit-bg) 28%);
  }
  .verity-page.typewriter-focus-on .message--user [data-typewriter-focus-target].typewriter-focus-dim {
    color: color-mix(in srgb, var(--xeit-fg-strong) 74%, var(--xeit-bg) 26%);
  }
  @media (prefers-reduced-motion: reduce) {
    .verity-page.typewriter-focus-on [data-typewriter-focus-target] {
      transition: none;
    }
  }
  .message--user .message__attachments,
  .message--user .message__footer { max-width: min(100%, 640px); }
  .message--user .message__attachments { justify-content: flex-end; }
  .message--assistant .message__body { font-size: 15px; color: var(--xeit-fg); }
  .message--assistant .message__body > * {
    box-sizing: border-box;
    min-width: 0;
    max-width: 100%;
  }
  .message--assistant .message__body > p {
    text-align: justify;
    text-align-last: left;
    hyphens: auto;
    overflow-wrap: anywhere;
    word-break: normal;
  }
  .message--assistant .message__body > p.message__inline-math-container,
  .message--assistant .message__body li.message__inline-math-container {
    text-align: left;
    text-align-last: left;
    hyphens: manual;
  }
  .message__body p { margin: 0 0 16px; }
  .message__body p:last-child { margin-bottom: 0; }
  .message__body h1, .message__body h2, .message__body h3, .message__body h4 {
    font-weight: 700; color: var(--xeit-fg-strong); margin: 24px 0 12px; line-height: 1.3;
  }
  .message__body h1 { font-size: 22px; }
  .message__body h2 { font-size: 19px; }
  .message__body h3 { font-size: 17px; }
  .message__body h4 { font-size: 16px; }
  .message__body ul, .message__body ol { margin: 0 0 16px 1.5em; padding: 0; }
  .message__body li { margin-bottom: 6px; }
  .message__body strong { font-weight: 700; color: var(--xeit-fg-strong); }
  .message__body em { font-style: italic; color: var(--xeit-fg-strong); }
  .message__body code {
    font-family: var(--font-mono); font-size: 0.88em;
    background: var(--xeit-bg-raised); padding: 2px 6px;
    border-radius: var(--radius-sm); color: var(--xeit-fg-strong);
    overflow-wrap: anywhere; word-break: break-word;
  }
  .message__body pre {
    font-family: var(--font-mono); font-size: 13px;
    background: var(--xeit-bg-raised); padding: 14px 18px;
    box-sizing: border-box; width: 100%; max-width: 100%; min-width: 0;
    border-radius: var(--radius-md); overflow-x: auto; overflow-y: hidden;
    margin: 0 0 16px; line-height: 1.55; border: 1px solid var(--xeit-border);
  }
  .message__body pre code {
    background: transparent; padding: 0; font-size: inherit; color: var(--xeit-fg);
    overflow-wrap: normal; word-break: normal;
  }
  .message__body a {
    color: var(--xeit-coral-400); text-decoration: underline;
    text-decoration-thickness: 1px; text-underline-offset: 3px;
    overflow-wrap: anywhere; word-break: break-word;
    transition: color var(--dur-fast) var(--ease-out);
  }
  .message__body a:hover { color: var(--xeit-coral-300); }
  .message__body blockquote {
    border-left: 2px solid var(--xeit-coral-400);
    padding: 4px 0 4px 18px; margin: 0 0 16px;
    font-style: italic; color: var(--xeit-fg);
  }
  .message__table-scroll {
    box-sizing: border-box;
    width: 100%; max-width: 100%; min-width: 0;
    margin: 0 0 16px;
    overflow-x: auto; overflow-y: hidden;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
  }
  .message__table-scroll table {
    width: max-content;
    min-width: 100%;
    max-width: none;
    border-collapse: collapse;
  }
  .message__body th,
  .message__body td {
    padding: 7px 10px;
    border-bottom: 1px solid var(--xeit-border);
    text-align: left;
    vertical-align: top;
  }
  .message__body .katex-display {
    box-sizing: border-box;
    width: 100%; max-width: 100%; min-width: 0;
    overflow-x: auto; overflow-y: hidden;
  }
  .message__body .katex:not(.katex-display .katex) {
    display: inline-block;
    max-width: 100%;
    overflow-x: auto; overflow-y: hidden;
    vertical-align: text-bottom;
  }
  .message__body hr { border: none; border-top: 1px solid var(--xeit-border); margin: 24px 0; }

  .message > .message__attachments,
  .message > .message__charts,
  .message > .message__documents,
  .message > .message__sources,
  .message > .message__source-diagnostics,
  .message > .message__source-usage,
  .message > .message__trace,
  .message > .message__edit,
  .message > .message__footer {
    box-sizing: border-box;
    min-width: 0;
    max-width: 100%;
  }

  .message--thinking .message__body {
    color: var(--xeit-fg);
    font-size: 15px;
  }
  .processing-preview {
    display: inline-flex;
    align-items: center;
    gap: 13px;
    min-height: 42px;
    color: var(--xeit-fg);
  }
  .processing-glyph,
  .send-glyph {
    position: relative;
    display: inline-grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
    color: var(--xeit-coral-400);
    flex: none;
  }
  .processing-glyph {
    width: 30px;
    height: 30px;
    padding: 7px 5px;
    border: 1px solid rgba(239, 125, 94, 0.28);
    border-radius: 50%;
    background: rgba(239, 125, 94, 0.05);
  }
  .processing-glyph span,
  .send-glyph span {
    width: 4px;
    height: 4px;
    align-self: center;
    justify-self: center;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.35;
    animation: verity-glyph-pulse 1.35s ease-in-out infinite;
  }
  .processing-glyph span:nth-child(2),
  .send-glyph span:nth-child(2) { animation-delay: 0.18s; }
  .processing-glyph span:nth-child(3),
  .send-glyph span:nth-child(3) { animation-delay: 0.36s; }
  .processing-preview__status {
    font-style: italic;
    color: var(--xeit-fg-muted);
    transition: opacity var(--dur-base) var(--ease-out);
  }
  @keyframes verity-glyph-pulse {
    0%, 100% { opacity: 0.28; transform: translateY(0); }
    38% { opacity: 1; transform: translateY(-2px); }
    72% { opacity: 0.45; transform: translateY(0); }
  }
  @media (prefers-reduced-motion: reduce) {
    .processing-glyph span,
    .send-glyph span {
      animation: none;
      opacity: 0.75;
      transform: none;
    }
  }

  /* --- Inline citation markers (Phase 3g) --- */
  .citation {
    font-size: 0.72em;
    color: var(--xeit-coral-400);
    margin-left: 1px;
    vertical-align: super;
    line-height: 0;
    cursor: pointer;
    user-select: none;
    transition: color var(--dur-fast) var(--ease-out);
  }
  .citation:hover { color: var(--xeit-coral-300); text-decoration: underline; }
  .citation.is-flashing {
    background: rgba(239, 125, 94, 0.18);
    border-radius: 3px;
    padding: 0 2px;
  }

  /* --- Sources block (Phase 3g) --- */
  .message__sources {
    margin-top: 22px;
    padding-top: 14px;
    border-top: 1px solid var(--xeit-border);
  }
  .message__sources-label {
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--xeit-coral-400);
    font-style: italic;
    margin-bottom: 10px;
  }
  .message__source {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 13px;
    margin-bottom: 6px;
    line-height: 1.55;
    color: var(--xeit-fg-muted);
    transition: background var(--dur-fast) var(--ease-out);
    padding: 2px 4px;
    border-radius: 4px;
  }
  .message__source.is-flashing {
    background: rgba(239, 125, 94, 0.12);
  }
  .message__source-num {
    flex: none;
    color: var(--xeit-coral-400);
    font-style: normal;
    min-width: 22px;
    font-size: 12px;
    letter-spacing: 0.04em;
  }
  .message__source-link {
    color: var(--xeit-fg);
    text-decoration: none;
    font-style: italic;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--dur-fast) var(--ease-out);
  }
  .message__source-link:hover {
    color: var(--xeit-coral-400);
    text-decoration: underline;
  }
  .message__source-domain {
    color: var(--xeit-fg-muted);
    font-style: normal;
    font-size: 11px;
    letter-spacing: 0.04em;
    margin-left: 6px;
    flex: none;
  }

  .message__source-diagnostics {
    margin-top: 16px;
    width: 100%;
    max-width: none;
    box-sizing: border-box;
    border: 1px solid var(--xeit-border);
    border-radius: var(--radius-md);
    background:
      linear-gradient(180deg,
        color-mix(in srgb, var(--xeit-bg-raised) 88%, transparent),
        color-mix(in srgb, var(--xeit-input-bg) 72%, transparent));
    padding: 0;
    font-size: 12px;
    box-shadow: inset 0 1px 0 color-mix(in srgb, #fff 14%, transparent);
  }
  .message__source-diagnostics[open] {
    padding-bottom: 14px;
  }
  .message__source-diagnostics-summary {
    cursor: pointer;
    padding: 11px 14px;
    color: var(--xeit-fg-muted);
    font-style: italic;
    list-style: none;
    text-align: center;
  }
  .message__source-diagnostics-summary::-webkit-details-marker {
    display: none;
  }
  .message__source-diagnostics-summary::after {
    content: 'details';
    margin-left: 8px;
    color: var(--xeit-coral-400);
    font-style: normal;
    font-size: 11px;
  }
  .message__source-diagnostics[open] .message__source-diagnostics-summary::after {
    content: 'hide';
  }
  .message__source-diagnostics-title {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--xeit-fg-strong);
    font-size: 14px;
    padding: 0 14px 10px;
    text-align: center;
  }
  .message__source-diagnostics-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3px;
    align-items: start;
    padding: 0 14px 8px;
    text-align: center;
  }
  .message__source-diagnostics-key {
    color: var(--xeit-fg-muted);
  }
  .message__source-diagnostics-value {
    color: var(--xeit-fg);
    min-width: 0;
  }
  .message__source-diagnostics-value span {
    display: inline;
  }
  .message__source-diagnostics-note {
    color: var(--xeit-fg-muted);
  }
  .message__source-diagnostics-group {
    padding: 0 14px 12px;
  }
  .message__source-diagnostics-group-title {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--xeit-coral-400);
    margin-bottom: 7px;
    text-align: center;
  }
  .message__source-diagnostics-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .message__source-diagnostics-entry {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 10px;
    font-family: var(--font-serif);
    font-size: 13px;
    line-height: 1.5;
    color: var(--xeit-fg-muted);
    padding: 2px 4px;
    border-radius: 4px;
    text-align: left;
  }
  .message__source-diagnostics-num {
    flex: none;
    min-width: 22px;
    color: var(--xeit-coral-400);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
  }
  .message__source-diagnostics-name {
    /* Never let the flex algorithm squeeze the filename to min-content —
       with overflow-wrap that renders as a one-letter-per-line column.
       At natural width it sits beside the meta; when space runs out the
       row wraps instead, and only a name wider than the whole row breaks
       internally (max-width + overflow-wrap). */
    flex: none;
    max-width: 100%;
    color: var(--xeit-fg);
    font-style: italic;
    overflow-wrap: anywhere;
  }
  .message__source-diagnostics-meta {
    /* Reconciled rows carry merged multi-fact notes: the meta must flow
       across beside the name and wrap as text, never crush the name into
       a vertical column (it had flex: none before the merge). */
    flex: 1 1 16ch;
    min-width: 0;
    overflow-wrap: anywhere;
    color: var(--xeit-fg-muted);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .message__source-diagnostics-empty {
    color: var(--xeit-fg-muted);
    font-style: italic;
    text-align: center;
  }

  /* --- Per-turn source usage line (Phase E: UX truth) --- */
  .message__source-usage {
    margin-top: 14px;
    padding: 8px 12px;
    border-left: 2px solid var(--xeit-coral-400);
    border-radius: var(--radius-sm);
    background: color-mix(in srgb, var(--xeit-bg-raised) 72%, transparent);
    color: var(--xeit-fg);
    font-family: var(--font-serif);
    font-size: 12.5px;
    line-height: 1.5;
  }
  /* Merged card: the usage line IS the diagnostics summary now, so the
     panel provides the chrome and the summary keeps only the type style. */
  summary.message__source-usage {
    margin-top: 0;
    border-left: none;
    border-radius: 0;
    background: transparent;
    font-style: normal;
    color: var(--xeit-fg);
  }

  /* Per-file inclusion state chips in the portfolio Files card. */
  .portfolio-item__usage {
    margin-top: 3px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--xeit-fg-muted);
  }
  .portfolio-item__usage.is-attached { color: var(--xeit-success); }
  .portfolio-item__usage.is-excerpts { color: var(--xeit-warning); }
  .portfolio-item__usage.is-deferred { color: var(--xeit-coral-400); }
  .portfolio-item__usage.is-warn { color: var(--xeit-danger); }

  /* --- Chart and document artifact cards --- */
  .message__charts {
    margin-top: 18px;
    display: flex; flex-direction: column; gap: 12px;
    width: 100%;
  }
  .message__chart-card {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin: 0;
    padding: 14px;
    background: var(--xeit-bg-raised);
    border: 1px solid var(--xeit-border-strong);
    border-radius: var(--radius-md);
    color: var(--xeit-fg);
  }
  .message__chart-card__header {
    display: flex; align-items: baseline; justify-content: space-between;
    gap: 14px; min-width: 0; margin-bottom: 10px;
  }
  .message__chart-card__title {
    min-width: 0;
    font-family: var(--font-serif); font-size: 15px;
    color: var(--xeit-fg-strong); font-style: italic;
    overflow-wrap: anywhere;
  }
  .message__chart-card__meta {
    flex: none;
    font-size: 11px; color: var(--xeit-fg-muted);
    letter-spacing: 0.08em; text-transform: uppercase;
  }
  .message__chart-card__image-wrap {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--xeit-border);
    border-radius: var(--radius-sm);
  }
  .message__chart-card__image {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
  }
  .message__chart-card__description {
    margin-top: 9px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--xeit-fg-muted);
    overflow-wrap: anywhere;
  }
  .message__chart-card__actions {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-top: 10px;
  }
  .message__chart-card__download {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 28px; padding: 5px 10px;
    border: 1px solid var(--xeit-border-strong);
    border-radius: var(--radius-sm);
    color: var(--xeit-fg-strong);
    text-decoration: none;
    font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
    background: color-mix(in srgb, var(--xeit-bg-raised) 76%, transparent);
  }
  .message__chart-card__download:hover {
    border-color: var(--xeit-coral-400);
    color: var(--xeit-coral-400);
  }

  .message__documents {
    margin-top: 18px;
    display: flex; flex-direction: column; gap: 10px;
  }
  .message__document-card {
    display: flex; align-items: center; gap: 14px;
    padding: 12px 16px;
    background: var(--xeit-bg-raised); border: 1px solid var(--xeit-border-strong);
    border-radius: 14px;
    text-decoration: none; color: var(--xeit-fg);
    cursor: pointer; max-width: 460px;
    transition: border-color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out),
                transform var(--dur-fast) var(--ease-out);
  }
  .message__document-card:hover {
    border-color: var(--xeit-coral-400);
    background: rgba(239, 125, 94, 0.06);
    transform: translateY(-1px);
  }
  .message__document-card__icon {
    color: var(--xeit-coral-400); flex: none;
    display: inline-flex; align-items: center; justify-content: center;
    width: 32px; height: 32px;
  }
  .message__document-card__icon svg { width: 26px; height: 26px; stroke-width: 1.4; }
  .message__document-card__info { flex: 1; min-width: 0; }
  .message__document-card__title {
    font-family: var(--font-serif); font-size: 14px;
    color: var(--xeit-fg-strong); font-style: italic;
    margin-bottom: 3px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .message__document-card__meta {
    font-size: 11px; color: var(--xeit-fg-muted);
    letter-spacing: 0.08em; text-transform: uppercase; font-style: normal;
  }
  .message__document-card__action {
    color: var(--xeit-fg-muted); flex: none;
    transition: color var(--dur-fast) var(--ease-out);
  }
  .message__document-card:hover .message__document-card__action { color: var(--xeit-coral-400); }
  .message__document-card__action svg { width: 18px; height: 18px; stroke-width: 1.6; }

  .message__footer {
    display: flex; align-items: center; justify-content: flex-end; gap: 12px;
    margin-top: 12px; min-height: 26px;
  }
  .message__meta {
    font-size: 12px; color: var(--xeit-fg-muted);
    font-style: italic; letter-spacing: 0.04em; margin-right: auto;
  }
  .message__actions {
    display: flex; gap: 2px; opacity: 0;
    transition: opacity var(--dur-base) var(--ease-out);
  }
  .message:hover .message__actions { opacity: 1; }
  .message__actions:focus-within { opacity: 1; }
  @media (hover: none) {
    .message__actions { opacity: 0.55; }
    .message:hover .message__actions { opacity: 1; }
  }
  .message__copy, .message__edit-btn, .message__regen-btn,
  .message__trace-btn, .message__fb-up, .message__fb-down { width: 28px; height: 28px; }
  .message__copy svg, .message__edit-btn svg, .message__regen-btn svg,
  .message__trace-btn svg, .message__fb-up svg, .message__fb-down svg { width: 14px; height: 14px; }
  .message__copy.is-copied { color: var(--xeit-coral-400); background: rgba(239, 125, 94, 0.08); }
  .message__regen-btn.is-spinning svg { animation: regen-spin 0.6s linear infinite; }
  @keyframes regen-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

  /* === F5 — Trace transparency panel === */
  .message__trace {
    display: none;
    margin-top: 16px;
    padding: 16px 20px;
    background: var(--xeit-bg-raised);
    border: 1px solid var(--xeit-border);
    border-radius: var(--radius-md);
    font-size: 13px;
    line-height: 1.65;
  }
  .message__trace.is-open { display: block; }
  .message__trace-row {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 18px;
    align-items: baseline;
    padding: 6px 0;
  }
  .message__trace-row + .message__trace-row {
    border-top: 1px solid var(--xeit-border-subtle, var(--xeit-border));
    margin-top: 0;
    padding-top: 10px;
  }
  .message__trace-label {
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--xeit-fg-muted);
    font-style: italic;
  }
  .message__trace-value {
    color: var(--xeit-fg-strong);
    font-family: var(--font-serif);
    font-size: 14px;
    overflow-wrap: anywhere;
  }
  .message__trace-gloss {
    color: var(--xeit-fg-muted);
  }
  .message__trace-pulse {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    margin-left: 1px;
  }
  .message__trace-pulse span {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.38;
    animation: verity-glyph-pulse 1.1s var(--ease-in-out) infinite;
  }
  .message__trace-pulse span:nth-child(2) { animation-delay: 0.15s; }
  .message__trace-pulse span:nth-child(3) { animation-delay: 0.3s; }
  .message__trace-btn:not(.is-dialectic) .message__trace-pulse {
    display: none;
  }
  .message__trace-btn.is-open {
    color: var(--xeit-coral-400);
    background: rgba(239, 125, 94, 0.10);
  }

  /* === F5 — Feedback chooser === */
  .message__fb-up.is-active {
    color: var(--xeit-coral-400);
    background: rgba(239, 125, 94, 0.12);
  }
  .message__fb-down.is-active {
    color: var(--xeit-coral-400);
    background: rgba(239, 125, 94, 0.12);
  }
  .message__fb-chooser {
    display: none;
    margin-top: 14px;
    padding: 14px 16px;
    background: var(--xeit-bg-raised);
    border: 1px solid var(--xeit-border);
    border-radius: var(--radius-md);
  }
  .message__fb-chooser.is-open { display: block; }
  .message__fb-chooser-label {
    font-size: 12px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--xeit-fg-muted);
    font-style: italic;
    margin-bottom: 10px;
  }
  .message__fb-taxonomy {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
  }
  .message__fb-chip {
    background: transparent;
    border: 1px solid var(--xeit-border-strong);
    color: var(--xeit-fg);
    border-radius: var(--radius-pill);
    padding: 5px 12px;
    font-family: var(--font-serif);
    font-size: 12px;
    cursor: pointer;
    transition: color var(--dur-fast) var(--ease-out),
                border-color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .message__fb-chip:hover {
    border-color: var(--xeit-coral-400);
    color: var(--xeit-coral-400);
  }
  .message__fb-chip.is-active {
    border-color: var(--xeit-coral-400);
    background: rgba(239, 125, 94, 0.12);
    color: var(--xeit-coral-400);
  }
  .message__fb-freetext {
    width: 100%;
    box-sizing: border-box;
    font-family: var(--font-serif);
    font-size: 13px;
    background: var(--xeit-input-bg);
    color: var(--xeit-fg-strong);
    border: 1px solid var(--xeit-border-strong);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    outline: none;
    resize: vertical;
    min-height: 36px;
    line-height: 1.45;
    margin-bottom: 10px;
    transition: border-color var(--dur-base) var(--ease-out);
  }
  .message__fb-freetext::placeholder { color: var(--xeit-ink-500); font-style: italic; }
  .message__fb-freetext:focus { border-color: var(--xeit-coral-400); }
  .message__fb-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
  }
  .message__fb-submit {
    background: var(--xeit-bone-200);
    color: var(--xeit-ink-000);
    border: none;
    border-radius: var(--radius-md);
    padding: 6px 14px;
    font-family: var(--font-serif);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--dur-base) var(--ease-out);
  }
  .message__fb-submit:hover { background: var(--xeit-bone-100); }
  .message__fb-submit:disabled { opacity: 0.5; cursor: not-allowed; }
  .message__fb-cancel {
    background: transparent;
    color: var(--xeit-fg-muted);
    border: none;
    font-family: var(--font-serif);
    font-size: 12px;
    cursor: pointer;
    padding: 6px 10px;
    font-style: italic;
    transition: color var(--dur-fast) var(--ease-out);
  }
  .message__fb-cancel:hover { color: var(--xeit-fg); }
  .message__fb-thanks {
    font-size: 12px;
    color: var(--xeit-fg-muted);
    font-style: italic;
    padding: 8px 0 0;
  }

  /* === F5 — Profile peek panel === */
  .memory-peek-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    z-index: 80;
    pointer-events: none;
    transition: background var(--dur-base) var(--ease-out);
  }
  .memory-peek-overlay.is-open {
    background: rgba(0, 0, 0, 0.36);
    pointer-events: auto;
  }
  .memory-peek {
    position: fixed;
    top: 10px; right: 10px;
    height: calc(100vh - 20px);
    width: 400px;
    max-width: calc(100vw - 20px);
    background:
      linear-gradient(180deg,
        color-mix(in srgb, var(--xeit-bg-raised) 74%, transparent),
        color-mix(in srgb, var(--xeit-input-bg) 58%, transparent));
    border: 1px solid color-mix(in srgb, var(--xeit-border-strong) 66%, transparent);
    border-radius: 30px;
    z-index: 90;
    transform: translateX(calc(100% + 18px));
    transition: transform var(--dur-slow) var(--ease-soft-spring);
    display: flex;
    flex-direction: column;
    box-shadow:
      -18px 0 46px -24px color-mix(in srgb, var(--xeit-shadow, #000) 54%, transparent),
      inset 0 1px 0 color-mix(in srgb, #fff 24%, transparent);
    backdrop-filter: blur(24px) saturate(1.22);
    -webkit-backdrop-filter: blur(24px) saturate(1.22);
    overflow: hidden;
  }
  .memory-peek.is-open { transform: translateX(0); }
  .memory-library {
    position: fixed;
    top: 10px;
    right: 424px;
    height: calc(100vh - 20px);
    width: 400px;
    max-width: calc(100vw - 454px);
    background:
      linear-gradient(180deg,
        color-mix(in srgb, var(--xeit-bg-raised) 74%, transparent),
        color-mix(in srgb, var(--xeit-input-bg) 58%, transparent));
    border: 1px solid color-mix(in srgb, var(--xeit-border-strong) 66%, transparent);
    border-radius: 30px;
    z-index: 88;
    transform: translateX(18px);
    opacity: 0;
    pointer-events: none;
    transition:
      transform var(--dur-slow) var(--ease-soft-spring),
      opacity var(--dur-base) var(--ease-out);
    display: flex;
    flex-direction: column;
    box-shadow:
      -18px 0 46px -24px color-mix(in srgb, var(--xeit-shadow, #000) 54%, transparent),
      inset 0 1px 0 color-mix(in srgb, #fff 24%, transparent);
    backdrop-filter: blur(24px) saturate(1.22);
    -webkit-backdrop-filter: blur(24px) saturate(1.22);
    overflow: hidden;
  }
  .memory-library.is-open {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  }
  .memory-library__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 24px 18px;
    border-bottom: 1px solid var(--xeit-border);
  }
  .memory-library__title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    font-style: normal;
    color: var(--xeit-fg-strong);
    margin: 0;
    letter-spacing: 0.02em;
  }
  .memory-library__close {
    background: transparent;
    border: none;
    color: var(--xeit-fg-muted);
    width: 32px; height: 32px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .memory-library__close:hover { color: var(--xeit-coral-400); background: rgba(239, 125, 94, 0.08); }
  .memory-library__close svg { width: 16px; height: 16px; stroke-width: 1.7; }
  .memory-library__body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 22px 24px;
  }
  .memory-peek__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 24px 18px;
    border-bottom: 1px solid var(--xeit-border);
  }
  .memory-peek__title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    font-style: normal;
    color: var(--xeit-fg-strong);
    margin: 0;
    letter-spacing: 0.02em;
  }
  .memory-peek__close {
    background: transparent;
    border: none;
    color: var(--xeit-fg-muted);
    width: 32px; height: 32px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .memory-peek__close:hover { color: var(--xeit-coral-400); background: rgba(239, 125, 94, 0.08); }
  .memory-peek__close svg { width: 16px; height: 16px; stroke-width: 1.7; }
  .memory-peek__body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 22px 24px;
  }
  .memory-peek__empty,
  .memory-peek__loading,
  .memory-peek__error {
    text-align: center;
    color: var(--xeit-fg-muted);
    font-style: italic;
    font-size: 14px;
    padding: 40px 16px;
    line-height: 1.55;
  }
  .memory-peek__error { color: var(--xeit-coral-400); }
  .memory-consent {
    border: 1px solid var(--xeit-border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    margin-bottom: 12px;
    background: var(--xeit-bg-raised);
  }
  .memory-consent__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }
  .memory-consent__title {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--xeit-fg);
  }
  .memory-consent__copy {
    margin-top: 5px;
    font-size: 12px;
    line-height: 1.45;
    color: var(--xeit-fg-muted);
  }
  .memory-consent__toggle {
    border: 1px solid var(--xeit-border);
    border-radius: var(--radius-pill);
    background: var(--xeit-bg);
    color: var(--xeit-fg-muted);
    padding: 6px 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    cursor: pointer;
  }
  .memory-consent__toggle.is-on {
    color: var(--xeit-coral-400);
    border-color: rgba(239, 125, 94, 0.34);
    background: rgba(239, 125, 94, 0.08);
  }
  .memory-section-title {
    margin: 16px 0 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--xeit-fg-muted);
  }
  .memory-card {
    box-sizing: border-box;
    width: 100%;
    background: var(--xeit-bg-raised);
    border: 1px solid var(--xeit-border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    margin-bottom: 10px;
    transition: border-color var(--dur-fast) var(--ease-out);
  }
  .memory-card.is-locked {
    border-color: rgba(239, 125, 94, 0.30);
  }
  .memory-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
  }
  .memory-card__key {
    font-size: 11px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--xeit-fg-muted);
    font-style: italic;
    word-break: break-word;
    flex: 1;
    padding-top: 4px;
  }
  .memory-card__controls {
    display: flex;
    gap: 2px;
    flex: none;
  }
  .memory-card__ctrl {
    background: transparent;
    border: none;
    color: var(--xeit-fg-muted);
    width: 26px; height: 26px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .memory-card__ctrl:hover { color: var(--xeit-coral-400); background: rgba(239, 125, 94, 0.08); }
  .memory-card__ctrl.is-active { color: var(--xeit-coral-400); }
  .memory-card__ctrl.is-destructive:hover {
    color: var(--xeit-danger);
    background: rgba(214, 90, 58, 0.10);
  }
  .memory-card__ctrl.is-confirm:hover {
    color: var(--xeit-coral-400);
    background: rgba(239, 125, 94, 0.08);
  }
  .memory-card__ctrl svg { width: 13px; height: 13px; stroke-width: 1.7; }
  .memory-card__ctrl:disabled {
    cursor: wait;
    opacity: 0.45;
  }
  .memory-card__content {
    font-family: var(--font-serif);
    font-size: 14px;
    line-height: 1.55;
    color: var(--xeit-fg);
    white-space: pre-wrap;
    word-break: break-word;
  }
  .memory-card__content p { margin: 0 0 6px; }
  .memory-card__content p:last-child { margin-bottom: 0; }
  .memory-card__content code {
    font-family: var(--font-mono); font-size: 12px;
    background: var(--xeit-ink-050); padding: 1px 4px; border-radius: 3px;
  }
  .memory-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: -2px 0 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    line-height: 1.4;
    color: var(--xeit-fg-muted);
  }
  .memory-card__badge,
  .memory-card__source,
  .memory-card__provenance {
    border: 1px solid var(--xeit-border);
    border-radius: var(--radius-pill);
    padding: 2px 7px;
    background: var(--xeit-bg);
  }
  .memory-card__badge.is-tentative {
    border-color: rgba(239, 125, 94, 0.34);
    color: var(--xeit-coral-400);
    background: rgba(239, 125, 94, 0.08);
  }
  .memory-card__provenance {
    color: var(--xeit-fg-muted);
    text-decoration: none;
  }
  .memory-card__provenance:hover,
  .memory-card__provenance:focus-visible {
    color: var(--xeit-coral-400);
    border-color: rgba(239, 125, 94, 0.34);
    outline: none;
  }
  .memory-card__edit-area {
    display: none;
    width: 100%;
    box-sizing: border-box;
    font-family: var(--font-serif);
    font-size: 14px;
    line-height: 1.55;
    background: var(--xeit-input-bg);
    color: var(--xeit-fg-strong);
    border: 1px solid var(--xeit-border-strong);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    outline: none;
    resize: vertical;
    min-height: 60px;
    transition: border-color var(--dur-base) var(--ease-out);
  }
  .memory-card__edit-area:focus { border-color: var(--xeit-coral-400); }
  .memory-card.is-editing .memory-card__content { display: none; }
  .memory-card.is-editing .memory-card__edit-area { display: block; }
  .memory-card__edit-row {
    display: none;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 10px;
  }
  .memory-card.is-editing .memory-card__edit-row { display: flex; }
  .memory-card__locked-label {
    display: none;
    font-size: 11px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    font-style: italic;
    color: var(--xeit-coral-400);
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px dashed rgba(239, 125, 94, 0.20);
  }
  .memory-card.is-locked .memory-card__locked-label { display: block; }
  .memory-card__action-status {
    min-height: 0;
    margin-top: 7px;
    font-size: 11px;
    line-height: 1.4;
    color: var(--xeit-fg-muted);
  }
  .memory-card__action-status:empty { display: none; }
  .memory-card__action-status.is-error { color: var(--xeit-danger); }
  .memory-card--profile-field .memory-card__head {
    margin-bottom: 6px;
  }
  .memory-card--profile-field .memory-card__meta {
    display: none;
  }
  .memory-card--profile-field .memory-card__content.is-empty {
    color: var(--xeit-fg-muted);
    font-style: italic;
  }
  .memory-card__select-area {
    display: none;
    width: 100%;
    box-sizing: border-box;
    font-family: var(--font-serif);
    font-size: 14px;
    background: var(--xeit-input-bg);
    color: var(--xeit-fg-strong);
    border: 1px solid var(--xeit-border-strong);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    outline: none;
  }
  .memory-card.is-editing .memory-card__select-area { display: block; }
  .memory-card.is-editing .memory-card__select-area ~ .memory-card__edit-area { display: none; }
  .memory-library-launch {
    width: 100%;
    border: 1px solid var(--xeit-border);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--xeit-bg-raised) 82%, transparent);
    color: var(--xeit-fg);
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    font-family: var(--font-serif);
    font-size: 13px;
    margin-bottom: 10px;
    transition: border-color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .memory-library-launch:hover {
    border-color: rgba(239, 125, 94, 0.34);
    background: rgba(239, 125, 94, 0.06);
  }
  .memory-library-launch__label {
    font-style: italic;
    color: var(--xeit-fg-strong);
  }
  .memory-library-launch__count {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--xeit-coral-400);
  }

  /* Profile trigger is a standard .icon-btn in the prompt__icons row —
     no special styling needed. Its visibility scopes (login/welcome
     hide, chat states show) ride along with the icon-btn family. */

  @media (max-width: 720px) {
    .memory-peek {
      width: calc(100vw - 20px);
      max-width: calc(100vw - 20px);
      border-radius: 24px;
    }
    .memory-library {
      right: 10px;
      width: calc(100vw - 20px);
      max-width: calc(100vw - 20px);
      border-radius: 24px;
      z-index: 92;
      transform: translateX(calc(100% + 18px));
    }
    .memory-library.is-open { transform: translateX(0); }
    .message__trace-row { grid-template-columns: 96px 1fr; gap: 10px; }
  }
  .message--thinking .message__footer,
  .message--error .message__footer,
  .message--editing .message__footer { display: none; }

  .message--error .message__role { color: var(--xeit-coral-500); }
  .message--error .message__body { color: var(--xeit-coral-400); font-style: italic; font-size: 14px; }
  .runtime-note__details {
    color: var(--xeit-muted);
    font-style: normal;
    font-size: 12px;
    margin-top: 8px;
  }
  .runtime-note__details summary {
    cursor: pointer;
    color: var(--xeit-coral-500);
  }
  .runtime-note__details pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    margin: 6px 0 0;
    font: 11px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  }

  .message__edit { display: none; margin-top: 4px; }
  .message--user.message--editing > .message__edit {
    align-self: stretch;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .message--editing .message__body { display: none; }
  .message--editing .message__edit { display: block; }
  .message--editing .message__charts,
  .message--editing .message__documents,
  .message--editing .message__source-diagnostics,
  .message--editing .message__sources { display: none; }

  .message__edit-row {
    display: flex; align-items: stretch;
    width: 100%; box-sizing: border-box;
    background: var(--xeit-input-bg); border: 1px solid var(--xeit-border-strong);
    border-radius: 18px; padding: 6px 14px;
    transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
  }
  .message__edit-row:focus-within { border-color: var(--xeit-coral-400); box-shadow: var(--shadow-glow); }
  .message__edit-row .bracket {
    position: relative;
    flex: none;
    width: 11px;
    color: var(--xeit-coral-400);
    user-select: none;
  }
  .message__edit-row .bracket svg {
    position: absolute;
    left: 0; right: 0;
    top: 3px; bottom: 3px;
    width: 100%; height: calc(100% - 6px);
    display: block;
  }
  .message__edit-textarea {
    flex: 1; min-width: 0; width: 100%;
    font-family: var(--font-serif); font-size: 15px; line-height: 1.55;
    color: var(--xeit-fg-strong); background: transparent;
    border: none; outline: none; resize: none;
    padding: 8px 12px; min-height: 32px; max-height: 240px; overflow-y: auto;
  }
  .message__edit-actions {
    display: flex; align-items: center; justify-content: flex-end;
    gap: 6px; margin-top: 10px;
  }
  .message__edit-cancel {
    background: transparent; border: none; color: var(--xeit-fg-muted);
    font-family: var(--font-serif); font-size: 13px; font-style: italic;
    cursor: pointer; padding: 7px 14px; border-radius: var(--radius-pill);
    transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  }
  .message__edit-cancel:hover { color: var(--xeit-fg); background: rgba(232, 228, 211, 0.06); }
  .message__edit-save {
    font-family: var(--font-serif); font-size: 13px;
    background: var(--xeit-bone-200); color: var(--xeit-ink-100);
    border: none; border-radius: var(--radius-pill); padding: 8px 18px;
    cursor: pointer; display: inline-flex; align-items: center; gap: 7px;
    transition: background var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
  }
  .message__edit-save:hover { background: var(--xeit-bone-100); }
  .message__edit-save:disabled { opacity: 0.45; cursor: not-allowed; }
  .message__edit-save .arrow { transition: transform var(--dur-base) var(--ease-out); }
  .message__edit-save:hover:not(:disabled) .arrow { transform: translateX(2px); }

  .nav-user {
    --nav-control-size: 30px;
    display: inline-flex; align-items: center; gap: 9px;
    font-size: 13px; color: var(--xeit-fg);
  }
  .nav-user__focus-toggle,
  .nav-user__avatar {
    box-sizing: border-box;
    width: var(--nav-control-size); height: var(--nav-control-size);
    border-radius: 50%;
    border: 1px solid var(--xeit-border-strong);
    background: color-mix(in srgb, var(--xeit-bg-raised) 72%, transparent);
    flex: none;
  }
  .nav-user__focus-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--xeit-fg-strong);
    cursor: pointer; padding: 0;
    transition:
      color var(--dur-fast) var(--ease-out),
      border-color var(--dur-fast) var(--ease-out),
      background var(--dur-fast) var(--ease-out),
      box-shadow var(--dur-fast) var(--ease-out);
  }
  .nav-user__focus-toggle:hover,
  .nav-user__focus-toggle:focus-visible {
    color: var(--xeit-coral-400);
    border-color: rgba(239, 125, 94, 0.42);
    background: rgba(239, 125, 94, 0.08);
    outline: none;
  }
  .nav-user__focus-toggle.is-active {
    color: var(--xeit-coral-400);
    border-color: rgba(239, 125, 94, 0.52);
    background: color-mix(in srgb, var(--xeit-coral-400) 14%, transparent);
    box-shadow: 0 0 0 3px rgba(239, 125, 94, 0.10);
  }
  .nav-user__focus-toggle svg {
    width: 16px; height: 16px; stroke-width: 1.75;
  }
  .nav-user__avatar {
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--xeit-fg-strong);
    font-family: var(--font-serif);
    font-size: 12px; font-weight: 600; letter-spacing: 0.02em;
  }
  .nav-user__name {
    max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    font-style: normal; color: var(--xeit-fg-strong);
  }
  .nav-user__signout {
    background: none; border: none; color: inherit; font: inherit;
    cursor: pointer; padding: 5px 0; font-style: italic;
    color: var(--xeit-fg-muted);
    transition: color var(--dur-fast) var(--ease-out);
  }
  .nav-user__signout:hover { color: var(--xeit-coral-400); }

  .verity-page.state-active .site-footer { display: none; }
  .verity-page.state-loading #loginScreen,
  .verity-page.state-loading #chatScreen,
  .verity-page.state-loading #welcomeScreen { visibility: hidden; }
  .verity-page.state-welcome .site-footer { display: none; }
  .hidden { display: none !important; }

  /* ===========================================================
     F3 — Welcome flow
     Four steps, single-viewport, horizontal slide transitions.
     Inherits the verity-bg dot grid; adds a slow drift below.
     =========================================================== */
  #welcomeScreen {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 0;
    padding: 96px 40px 56px;
    position: relative;
    overflow: hidden;
    width: 100%;
  }
  .verity-page.state-welcome #welcomeScreen { display: flex; }
  .welcome-stage {
    width: 100%;
    max-width: 760px;
    position: relative;
  }
  .welcome-brand {
    text-align: center;
    margin-bottom: 44px;
  }
  .welcome-brand .verity-title { font-size: clamp(76px, 10vw, 136px); }
  .welcome-brand .verity-byline {
    position: static; transform: none; display: block;
    margin-top: 10px; text-align: center;
  }
  .welcome-track {
    position: relative;
    min-height: min(560px, calc(100vh - 300px));
    overflow: visible;
  }
  #welcomeScreen.is-consent-step {
    justify-content: flex-start;
    padding-top: 96px;
  }
  #welcomeScreen.is-consent-step .welcome-stage {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-height: 0;
  }
  #welcomeScreen.is-consent-step .welcome-track {
    flex: 1 1 auto;
    min-height: 0;
  }
  .welcome-step {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateX(60px);
    transition:
      opacity var(--dur-hero) var(--ease-out),
      transform var(--dur-hero) var(--ease-soft-spring);
    pointer-events: none;
  }
  .welcome-step.is-active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
  }
  .welcome-step.is-leaving-left {
    opacity: 0;
    transform: translateX(-60px);
    pointer-events: none;
  }
  .welcome-step:not([data-step="0"]) {
    max-width: 620px;
    margin: 0 auto;
  }
  .welcome-question {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 400;
    color: var(--xeit-fg-strong);
    line-height: 1.3;
    margin: 0 0 28px;
    letter-spacing: -0.01em;
  }
  .welcome-question em { color: var(--xeit-coral-400); font-style: italic; }
  .welcome-input {
    width: 100%;
    font-family: var(--font-serif);
    font-size: 18px;
    background: var(--xeit-input-bg);
    color: var(--xeit-fg-strong);
    border: 1px solid var(--xeit-border-strong);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    outline: none;
    transition: border-color var(--dur-base) var(--ease-out),
                box-shadow var(--dur-base) var(--ease-out);
    /* Bracket framing identical to login. The brackets are pseudo-elements
       on the wrapping label; the input itself stays clean. */
  }
  .welcome-input::placeholder {
    color: var(--xeit-ink-500);
    font-style: italic;
  }
  .welcome-input:focus {
    border-color: var(--xeit-coral-400);
    box-shadow: var(--shadow-glow);
  }
  .welcome-textarea {
    width: 100%;
    min-height: 88px;
    font-family: var(--font-serif);
    font-size: 17px;
    line-height: 1.55;
    background: var(--xeit-input-bg);
    color: var(--xeit-fg-strong);
    border: 1px solid var(--xeit-border-strong);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    outline: none;
    resize: vertical;
    font-style: normal;
    transition: border-color var(--dur-base) var(--ease-out),
                box-shadow var(--dur-base) var(--ease-out);
  }
  .welcome-textarea::placeholder {
    color: var(--xeit-ink-500);
    font-style: italic;
    line-height: 1.55;
  }
  .welcome-textarea:focus {
    border-color: var(--xeit-coral-400);
    box-shadow: var(--shadow-glow);
  }
  .welcome-hint {
    font-size: 13px;
    color: var(--xeit-fg-muted);
    font-style: italic;
    margin-top: 14px;
    line-height: 1.45;
  }
  .welcome-consent-copy {
    color: var(--xeit-fg);
    font-size: 15px;
    line-height: 1.62;
  }
  .welcome-consent-copy p { margin: 0 0 16px; }
  .welcome-consent-copy p:last-child { margin-bottom: 0; }
  .welcome-consent-copy a {
    color: var(--xeit-fg-strong);
    text-decoration: none;
    border-bottom: 1px solid var(--xeit-coral-400);
    transition: color var(--dur-fast) var(--ease-out);
  }
  .welcome-consent-copy a:hover { color: var(--xeit-coral-400); }
  .welcome-memory-consent {
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid var(--xeit-border-soft);
  }
  .welcome-memory-consent__choice {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    color: var(--xeit-fg);
  }
  .welcome-memory-consent__choice input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    margin: 2px 0 0;
    border-radius: 5px;
    border: 1.5px solid var(--xeit-border-strong);
    background: transparent;
    cursor: pointer;
    flex: 0 0 auto;
    position: relative;
    transition:
      background var(--dur-fast) var(--ease-out),
      border-color var(--dur-fast) var(--ease-out);
  }
  .welcome-memory-consent__choice input[type="checkbox"]:checked {
    background: var(--xeit-coral-400);
    border-color: var(--xeit-coral-400);
  }
  .welcome-memory-consent__choice input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid var(--xeit-bg);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
  }
  .welcome-memory-consent__choice input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--xeit-coral-300);
    outline-offset: 2px;
  }
  .welcome-memory-consent__title {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--xeit-fg-strong);
    line-height: 1.35;
  }
  .welcome-memory-consent__copy {
    display: block;
    margin-top: 5px;
    font-size: 13px;
    line-height: 1.45;
    color: var(--xeit-fg-muted);
  }
  .welcome-step[data-step="0"] {
    width: 100%;
    max-height: calc(100vh - 250px);
    overflow-y: auto;
    padding-right: 4px;
  }
  #welcomeScreen.is-consent-step .welcome-step[data-step="0"] {
    max-height: 100%;
  }
  /* Radio-style choice groups for Step 3 */
  .welcome-choice-block { margin-bottom: 24px; }
  .welcome-choice-label {
    font-size: 15px;
    color: var(--xeit-fg);
    margin-bottom: 12px;
    line-height: 1.5;
  }
  .welcome-choice-row {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
  }
  .welcome-choice {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--xeit-fg);
    transition: color var(--dur-fast) var(--ease-out);
    user-select: none;
  }
  .welcome-choice:hover { color: var(--xeit-fg-strong); }
  .welcome-choice input[type="radio"] {
    appearance: none;
    width: 14px; height: 14px;
    border-radius: 50%;
    border: 1.5px solid var(--xeit-border-strong);
    background: transparent;
    cursor: pointer;
    margin: 0;
    position: relative;
    transition: border-color var(--dur-fast) var(--ease-out);
    flex: 0 0 auto;
  }
  .welcome-choice input[type="radio"]:checked {
    border-color: var(--xeit-coral-400);
  }
  .welcome-choice input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: var(--xeit-coral-400);
  }
  .welcome-choice input[type="radio"]:focus-visible {
    outline: 2px solid var(--xeit-coral-300);
    outline-offset: 2px;
  }
  /* Step action row — Skip / Next / Done */
  .welcome-actions {
    margin-top: 28px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
  }
  .welcome-skip {
    background: none;
    border: none;
    color: var(--xeit-fg-muted);
    font-family: var(--font-serif);
    font-size: 14px;
    font-style: italic;
    cursor: pointer;
    padding: 6px 10px;
    transition: color var(--dur-fast) var(--ease-out);
  }
  .welcome-skip:hover { color: var(--xeit-fg); }
  .welcome-next {
    background: var(--xeit-bone-200);
    color: var(--xeit-ink-000);
    border: none;
    border-radius: var(--radius-md);
    padding: 11px 22px;
    font-family: var(--font-serif);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background var(--dur-base) var(--ease-out),
                opacity var(--dur-base) var(--ease-out);
  }
  .welcome-next:hover { background: var(--xeit-bone-100); }
  .welcome-next:disabled { opacity: 0.5; cursor: not-allowed; }
  .welcome-next .arrow {
    transition: transform var(--dur-base) var(--ease-out);
    font-weight: 500;
  }
  .welcome-next:hover .arrow { transform: translateX(3px); }
  /* Consolidation moment — brand mark animates, line of first-person text */
  #welcomeConsolidation {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--dur-hero) var(--ease-out);
    pointer-events: none;
    z-index: 2;
    text-align: center;
  }
  #welcomeConsolidation.is-active {
    display: flex;
    opacity: 1;
  }
  .consolidation-mark {
    color: var(--xeit-fg-strong);
    margin-bottom: 18px;
  }
  .consolidation-mark svg {
    width: 56px; height: 56px;
  }
  .consolidation-mark .dot {
    fill: var(--xeit-fg-muted);
    transition: fill var(--dur-base) var(--ease-out);
  }
  .consolidation-mark .dot.is-lit { fill: var(--xeit-coral-400); }
  .consolidation-text {
    font-family: var(--font-serif);
    font-size: 16px;
    color: var(--xeit-fg);
    font-style: italic;
    letter-spacing: 0.01em;
    opacity: 0;
    animation: x-fade-in 800ms var(--ease-out) 400ms forwards;
  }
  /* Signoff treatment (reused by the merged consent letter, step 0). */
  .welcome-letter__signoff { margin-top: 26px; }
  /* Slow background drift on the welcome screen */
  .verity-page.state-welcome .verity-bg {
    animation: welcome-bg-drift 8s linear infinite;
  }
  @keyframes welcome-bg-drift {
    0%   { transform: translate(0, 0); }
    50%  { transform: translate(0.5px, -0.5px); }
    100% { transform: translate(0, 0); }
  }

  @media (max-width: 920px) {
    .verity-page.state-active .prompt-wrapper > .prompt { max-width: 100%; }
    .prompt__bar { gap: 8px; padding: 12px 10px 6px 12px; }
    .prompt__icons { flex: 1 1 auto; min-width: 0; }
    .icon-btn { width: 32px; height: 32px; }
    .prompt__send { min-width: 88px; height: 32px; padding: 0 24px; flex: 0 0 auto; }
  }

  @media (max-width: 720px) {
    #welcomeScreen { padding: 80px 22px 42px; }
    .welcome-brand .verity-title { font-size: clamp(58px, 18vw, 92px); }
    .welcome-question { font-size: 22px; }
    .welcome-input, .welcome-textarea { font-size: 16px; }
    .welcome-consent-copy { font-size: 14px; }
    .welcome-step[data-step="0"] { max-height: calc(100vh - 200px); }
    .welcome-brand { margin-bottom: 30px; }
    .welcome-track { min-height: min(600px, calc(100vh - 220px)); }
    .welcome-choice-row { gap: 12px; flex-direction: column; }
  }

  @media (max-width: 720px) {
    .nav-user__name { max-width: 110px; }
    .verity-byline {
      position: static; transform: none; display: block;
      margin-top: 8px; text-align: center;
    }
    .hero-lockup { text-align: center; }
    #loginScreen { padding: 64px 22px; }
    .verity-page.state-empty #chatScreen { padding: 80px 22px; gap: 44px; }
    .verity-page.state-active .transcript { padding: 100px 18px 18px; }
    .verity-page.state-active .prompt-wrapper { padding: 12px 18px 18px; }
    .transcript-header { padding-bottom: 28px; margin-bottom: 18px; }
    .message--user .message__body, .message--assistant .message__body { font-size: 14px; }
    .message__document-card { max-width: 100%; }
  }

  .x-fade-in-soft { opacity: 0; animation: x-fade-in 600ms var(--ease-out) 60ms forwards; }

  /* ===========================================================
     F4 — Rail (left-anchored navigation panel)
     =========================================================== */

  /* Item 1: product nav links removed — keep the brand mark on the left
     (next to the rail handle) and push the meta/theme group to the far
     right. Overrides the shared site.css layout for the app surface only. */
  .site-nav { justify-content: flex-start; gap: 18px; }
  .site-nav > :last-child { margin-left: auto; }

  /* Rail handle button — Verity monogram affordance for portfolios/threads. */
  .rail-handle {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    background:
      linear-gradient(180deg,
        color-mix(in srgb, var(--xeit-bg-raised) 84%, transparent),
        color-mix(in srgb, var(--xeit-input-bg) 72%, transparent));
    border: 2px solid color-mix(in srgb, var(--xeit-coral-400) 86%, transparent);
    color: var(--xeit-coral-400);
    cursor: pointer;
    padding: 0;
    margin-right: 2px;
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    font-style: normal;
    line-height: 1;
    border-radius: var(--radius-pill);
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow:
      0 12px 28px color-mix(in srgb, var(--xeit-shadow, #000) 16%, transparent),
      inset 0 1px 0 color-mix(in srgb, #fff 32%, transparent),
      inset 0 -1px 0 color-mix(in srgb, var(--xeit-coral-400) 10%, transparent);
    backdrop-filter: blur(22px) saturate(1.25);
    -webkit-backdrop-filter: blur(22px) saturate(1.25);
    transition: border-color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
    position: relative;
  }
  /* Visible only in chat states — never on login/welcome */
  .verity-page.state-empty .rail-handle,
  .verity-page.state-active .rail-handle { display: inline-flex; }
  .rail-handle:hover {
    border-color: var(--xeit-coral-400);
    background:
      linear-gradient(180deg,
        color-mix(in srgb, var(--xeit-coral-400) 14%, var(--xeit-bg-raised)),
        color-mix(in srgb, var(--xeit-coral-400) 7%, var(--xeit-input-bg)));
  }
  .rail-handle:focus-visible {
    outline: 2px solid var(--xeit-coral-300, var(--xeit-coral-400));
    outline-offset: 2px;
  }
  .rail-handle.is-open {
    border-color: var(--xeit-coral-400);
    background:
      linear-gradient(180deg,
        color-mix(in srgb, var(--xeit-coral-400) 22%, var(--xeit-bg-raised)),
        color-mix(in srgb, var(--xeit-coral-400) 12%, var(--xeit-input-bg)));
    box-shadow:
      0 12px 28px color-mix(in srgb, var(--xeit-shadow, #000) 16%, transparent),
      0 0 0 1px color-mix(in srgb, var(--xeit-coral-400) 18%, transparent),
      inset 0 1px 0 color-mix(in srgb, #fff 32%, transparent);
  }
  .rail-handle__monogram {
    display: grid;
    place-items: center;
    width: 100%;
    height: 100%;
    transform: translateY(0);
    letter-spacing: 0;
  }
  .rail-handle__monogram svg {
    width: 100%;
    height: 100%;
    overflow: visible;
  }
  .rail-handle__monogram path {
    stroke-width: 3.15;
  }

  /* Overlay behind the panel */
  .rail-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    z-index: 70;
    pointer-events: none;
    transition: background var(--dur-base) var(--ease-out);
  }
  .rail-overlay.is-open {
    background: rgba(0, 0, 0, 0.28);
    pointer-events: auto;
  }

  /* Rail panel — matches the profile peek width and slides from the left */
  .rail {
    --rail-width: 400px;
    position: fixed;
    top: 10px; left: 10px;
    height: calc(100vh - 20px);
    width: var(--rail-width);
    max-width: calc(100vw - 20px);
    background:
      linear-gradient(180deg,
        color-mix(in srgb, var(--xeit-bg-raised) 74%, transparent),
        color-mix(in srgb, var(--xeit-input-bg) 58%, transparent));
    border: 1px solid color-mix(in srgb, var(--xeit-border-strong) 66%, transparent);
    border-radius: 30px;
    z-index: 80;
    transform: translateX(calc(-100% - 18px));
    transition: transform var(--dur-slow) var(--ease-soft-spring);
    display: flex;
    flex-direction: column;
    box-shadow:
      18px 0 46px -24px color-mix(in srgb, var(--xeit-shadow, #000) 54%, transparent),
      inset 0 1px 0 color-mix(in srgb, #fff 24%, transparent);
    backdrop-filter: blur(24px) saturate(1.22);
    -webkit-backdrop-filter: blur(24px) saturate(1.22);
    overflow: hidden;
  }
  .rail.is-open { transform: translateX(0); }
  .rail__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 22px 14px;
    border-bottom: 1px solid var(--xeit-border);
    flex: none;
  }
  .rail__title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: none;
    color: var(--xeit-fg-strong);
    font-style: normal;
    margin: 0;
  }
  .rail__close {
    background: transparent;
    border: none;
    color: var(--xeit-fg-muted);
    width: 30px; height: 30px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .rail__close:hover { color: var(--xeit-coral-400); background: rgba(239, 125, 94, 0.08); }
  .rail__close svg { width: 15px; height: 15px; stroke-width: 1.7; }

  /* Body — scrolls, holds sections */
  .rail__body {
    flex: 1;
    overflow-y: auto;
    padding: 6px 0 24px;
  }

  /* Section header */
  .rail-section {
    padding: 14px 22px 6px;
  }
  .rail-section__head {
    font-family: var(--font-serif);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--xeit-fg-muted);
    font-style: italic;
    margin: 0 0 8px;
  }
  .rail-section__body {
    display: flex;
    flex-direction: column;
    gap: 1px;
  }
  .rail-empty {
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--xeit-fg-muted);
    font-style: italic;
    padding: 6px 0 10px;
    line-height: 1.5;
  }
  .rail-add {
    background: transparent;
    border: none;
    color: var(--xeit-fg-muted);
    font-family: var(--font-serif);
    font-size: 13px;
    font-style: italic;
    cursor: pointer;
    padding: 8px 8px;
    text-align: left;
    border-radius: var(--radius-sm);
    transition: color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .rail-add:hover { color: var(--xeit-coral-400); background: rgba(239, 125, 94, 0.05); }
  .rail-add:disabled { opacity: 0.5; cursor: not-allowed; }
  .rail-add:disabled:hover { color: var(--xeit-fg-muted); background: transparent; }

  /* Thread and portfolio rows */
  .rail-thread, .rail-portfolio {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    text-align: left;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    color: var(--xeit-fg);
    transition: color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .rail-thread:hover, .rail-portfolio:hover { background: var(--xeit-bg-raised); }
  .rail-thread.is-current, .rail-portfolio.is-current {
    color: var(--xeit-coral-400);
    background: rgba(239, 125, 94, 0.06);
  }
  .rail-thread__title, .rail-portfolio__title {
    font-family: var(--font-serif);
    font-size: 13.5px;
    line-height: 1.35;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    flex: 1 1 auto;
    min-width: 0;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .rail-thread__time {
    font-size: 11px;
    font-style: italic;
    color: var(--xeit-fg-muted);
    flex: 0 0 auto;
  }
  /* Rail thread row: thread button + hover rename control. */
  .rail-thread-row, .rail-portfolio-row { display: flex; align-items: center; gap: 2px; }
  .rail-thread-row .rail-thread,
  .rail-portfolio-row .rail-portfolio { flex: 1 1 auto; min-width: 0; }
  .rail-row__archive,
  .rail-thread__rename {
    flex: 0 0 auto;
    background: transparent; border: none; cursor: pointer;
    color: var(--xeit-fg-muted);
    padding: 6px 8px; border-radius: var(--radius-sm);
    font-size: 13px; line-height: 1; opacity: 0;
    transition: opacity var(--dur-fast) var(--ease-out),
                color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .rail-thread-row:hover .rail-thread__rename,
  .rail-thread-row:hover .rail-row__archive,
  .rail-portfolio-row:hover .rail-row__archive,
  .rail-thread__rename:focus-visible,
  .rail-row__archive:focus-visible { opacity: 1; }
  .rail-row__archive { opacity: 0.68; }
  .rail-thread__rename:hover,
  .rail-row__archive:hover { color: var(--xeit-coral-400); background: var(--xeit-bg-raised); }
  .rail-row__archive.is-confirming {
    color: var(--xeit-coral-400);
    opacity: 1;
  }
  @media (hover: none) { .rail-thread__rename, .rail-row__archive { opacity: 0.6; } }
  /* Portfolio file dropzone. */
  .portfolio-dropzone__hint {
    display: none;
    margin-top: 8px;
    padding: 14px;
    border: 1px dashed var(--xeit-border-strong, var(--xeit-border));
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 12.5px; font-style: italic;
    color: var(--xeit-fg-muted);
  }
  #portfolioFilesCard.is-drop-target {
    outline: 2px dashed var(--xeit-coral-400);
    outline-offset: 4px;
    border-radius: var(--radius-md);
  }
  #portfolioFilesCard.is-drop-target .portfolio-dropzone__hint {
    display: block;
    border-color: var(--xeit-coral-400);
    color: var(--xeit-coral-400);
  }
  .portfolio-upload-status {
    margin: -4px 0 10px;
    font-size: 12.5px;
    line-height: 1.35;
    color: var(--xeit-fg-muted);
  }
  .portfolio-upload-status:empty {
    display: none;
  }
  .portfolio-upload-status.is-error {
    color: var(--xeit-coral-400);
    font-style: italic;
  }
  .rail-portfolio__count {
    font-size: 11px;
    font-style: italic;
    color: var(--xeit-fg-muted);
    flex: 0 0 auto;
  }

  .portfolio-page-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.36);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out);
    z-index: 88;
  }
  .portfolio-page-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
  }
  .portfolio-page {
    position: fixed;
    top: 10px;
    right: 10px;
    width: min(620px, 100vw);
    max-width: calc(100vw - 20px);
    height: calc(100vh - 20px);
    z-index: 89;
    background:
      linear-gradient(150deg,
        color-mix(in srgb, var(--xeit-bg-raised) 74%, transparent),
        color-mix(in srgb, var(--xeit-input-bg) 58%, transparent));
    border: 1px solid color-mix(in srgb, var(--xeit-border-strong) 66%, transparent);
    border-radius: 30px;
    transform: translateX(calc(100% + 18px));
    transition: transform var(--dur-base) var(--ease-soft-spring);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow:
      -18px 0 46px -24px color-mix(in srgb, var(--xeit-shadow, #000) 54%, transparent),
      inset 0 1px 0 color-mix(in srgb, #fff 24%, transparent);
    backdrop-filter: blur(24px) saturate(1.22);
    -webkit-backdrop-filter: blur(24px) saturate(1.22);
  }
  .portfolio-page.is-open { transform: translateX(0); }
  .portfolio-page__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 22px 24px;
    border-bottom: 1px solid var(--xeit-border);
    flex: none;
  }
  .portfolio-page__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: none;
  }
  .portfolio-page__eyebrow {
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--xeit-coral-400);
    font-style: italic;
    margin-bottom: 6px;
  }
  .portfolio-page__title {
    margin: 0;
    color: var(--xeit-fg-strong);
    font-size: 24px;
    line-height: 1.2;
  }
  .portfolio-page__body {
    flex: 1;
    overflow-y: auto;
    padding: 18px 24px 32px;
  }
  .portfolio-card {
    border-top: 1px solid var(--xeit-border);
    padding: 18px 0;
  }
  .portfolio-card:first-child { border-top: none; padding-top: 0; }
  .portfolio-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 12px;
  }
  .portfolio-card__head h3 {
    margin: 0;
    color: var(--xeit-fg-strong);
    font-size: 16px;
    font-style: italic;
  }
  .portfolio-field {
    display: block;
    margin-top: 12px;
  }
  .portfolio-field span {
    display: block;
    margin-bottom: 6px;
    color: var(--xeit-fg-muted);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-style: italic;
  }
  .portfolio-field textarea,
  .portfolio-thread-form input,
  .portfolio-sort {
    width: 100%;
    background: var(--xeit-input-bg);
    border: 1px solid var(--xeit-border-strong);
    border-radius: var(--radius-sm);
    color: var(--xeit-fg-strong);
    font-family: var(--font-serif);
    font-size: 13px;
    line-height: 1.5;
    padding: 10px 12px;
    outline: none;
  }
  .portfolio-field textarea:focus,
  .portfolio-thread-form input:focus,
  .portfolio-sort:focus {
    border-color: var(--xeit-coral-400);
    box-shadow: var(--shadow-glow);
  }
  .portfolio-text-btn,
  .portfolio-thread-form button {
    background: transparent;
    border: 1px solid var(--xeit-border-strong);
    border-radius: var(--radius-sm);
    color: var(--xeit-fg);
    cursor: pointer;
    font-family: var(--font-serif);
    font-size: 12px;
    font-style: italic;
    padding: 7px 10px;
    white-space: nowrap;
  }
  .portfolio-text-btn:hover,
  .portfolio-thread-form button:hover {
    color: var(--xeit-coral-400);
    border-color: var(--xeit-coral-400);
  }
  .portfolio-text-btn.is-confirming {
    color: var(--xeit-coral-400);
    border-color: var(--xeit-coral-400);
  }
  .portfolio-thread-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    margin-bottom: 12px;
  }
  .portfolio-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .portfolio-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: center;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    background: var(--xeit-bg-raised);
    border: 1px solid var(--xeit-border);
  }
  .portfolio-item__title {
    color: var(--xeit-fg-strong);
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .portfolio-item__meta {
    color: var(--xeit-fg-muted);
    font-size: 11px;
    font-style: italic;
  }
  .portfolio-item__status {
    color: var(--xeit-fg-muted);
    font-size: 11px;
    margin-top: 2px;
  }
  .portfolio-item__status.is-ready { color: var(--xeit-coral-400); }
  .portfolio-item__status.is-warn { color: var(--xeit-fg-muted); }
  .portfolio-item__actions {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .portfolio-download-btn {
    width: 30px;
    height: 30px;
    padding: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
  }
  .portfolio-download-btn svg { width: 14px; height: 14px; stroke-width: 1.8; }
  .portfolio-download-btn:focus-visible {
    outline: 2px solid var(--xeit-coral-300, var(--xeit-coral-400));
    outline-offset: 2px;
  }
  .portfolio-download-btn.is-downloading { opacity: 0.6; cursor: wait; }
  .portfolio-download-btn.is-unavailable,
  .portfolio-download-btn.is-unavailable:hover {
    color: var(--xeit-fg-muted);
    border-color: var(--xeit-border);
    cursor: not-allowed;
  }

  /* "You" section rows */
  .rail-you-row {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--xeit-fg);
    font-family: var(--font-serif);
    font-size: 13.5px;
    text-decoration: none;
    transition: color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
  }
  .rail-you-row:hover { background: var(--xeit-bg-raised); color: var(--xeit-coral-400); }
  .rail-you-row:focus-visible {
    outline: 2px solid var(--xeit-coral-300, var(--xeit-coral-400));
    outline-offset: 2px;
  }
  .rail-you-row svg { width: 14px; height: 14px; stroke-width: 1.7; flex: none; }
  .rail-you-row__label { flex: 1; }
  .rail-you-row__hint {
    font-size: 11px;
    font-style: italic;
    color: var(--xeit-fg-muted);
    flex: 0 0 auto;
  }

  .rail-section--you {
    border-top: 1px solid var(--xeit-border);
    margin-top: 10px;
    padding-top: 16px;
  }

  /* Mobile: per spec resolved decision 5, no rail under ~720px. */
  @media (max-width: 720px) {
    .rail-handle { display: none !important; }
    .rail, .rail-overlay { display: none !important; }
  }
  /* ===========================================================
     F6 — Drag-drop attachments
     =========================================================== */
  .drop-overlay {
    position: fixed;
    inset: 0;
    z-index: 95;
    pointer-events: none;
    background: rgba(31, 30, 28, 0.78);
    opacity: 0;
    transition: opacity var(--dur-base) var(--ease-out);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 64px;
  }
  body.is-drag-active .drop-overlay {
    opacity: 1;
    pointer-events: auto;
  }
  .drop-overlay__card {
    background: var(--xeit-bg-raised);
    border: 2px dashed var(--xeit-coral-400);
    border-radius: var(--radius-lg);
    padding: 48px 56px;
    max-width: 460px;
    text-align: center;
    box-shadow: 0 24px 64px -16px rgba(0, 0, 0, 0.6);
  }
  .drop-overlay__icon {
    color: var(--xeit-coral-400);
    margin-bottom: 16px;
  }
  .drop-overlay__icon svg { width: 40px; height: 40px; stroke-width: 1.5; }
  .drop-overlay__title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-style: italic;
    color: var(--xeit-fg-strong);
    margin: 0 0 6px;
    letter-spacing: -0.01em;
  }
  .drop-overlay__hint {
    font-family: var(--font-serif);
    font-size: 13px;
    font-style: italic;
    color: var(--xeit-fg-muted);
    margin: 0;
  }

  /* ===========================================================
     F6 — Command palette (⌘K)
     =========================================================== */
  .palette-overlay {
    position: fixed;
    inset: 0;
    z-index: 96;
    background: transparent;
    pointer-events: none;
    transition: background var(--dur-base) var(--ease-out);
  }
  .palette-overlay.is-open {
    background: var(--xeit-bg-overlay);
    pointer-events: auto;
  }
  .palette {
    position: fixed;
    top: 10vh;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    width: min(760px, calc(100vw - 32px));
    max-height: 76vh;
    z-index: 97;
    --palette-control-size: 48px;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out),
                transform var(--dur-base) var(--ease-soft-spring);
    overflow: visible;
  }
  .palette.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
  .palette__topline {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
  }
  .palette__input-wrap {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    height: var(--palette-control-size);
    padding: 0 16px;
    border: 1px solid color-mix(in srgb, var(--xeit-border-strong) 72%, transparent);
    border-radius: 999px;
    flex: none;
    background:
      linear-gradient(180deg,
        color-mix(in srgb, var(--xeit-bg-raised) 84%, transparent),
        color-mix(in srgb, var(--xeit-input-bg) 72%, transparent));
    box-shadow:
      0 16px 38px color-mix(in srgb, var(--xeit-shadow, #000) 18%, transparent),
      inset 0 1px 0 color-mix(in srgb, #fff 34%, transparent);
    backdrop-filter: blur(22px) saturate(1.25);
    -webkit-backdrop-filter: blur(22px) saturate(1.25);
  }
  .palette__input-wrap svg {
    width: 19px; height: 19px;
    color: var(--xeit-fg-muted);
    stroke-width: 1.9;
    flex: none;
  }
  .palette__input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--xeit-fg-strong);
    line-height: var(--palette-control-size);
    padding: 0;
    caret-color: var(--xeit-accent);
  }
  .palette__input:focus { box-shadow: none; }
  .palette__input::placeholder {
    color: var(--xeit-fg-muted);
    font-style: normal;
  }
  .palette__hint {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--xeit-fg-muted);
    font-style: italic;
    padding: 1px 0;
    flex: none;
  }
  .palette__body {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0 0;
    background: color-mix(in srgb, var(--xeit-bg-raised) 92%, transparent);
    border: 1px solid var(--xeit-border);
    border-radius: 18px;
    box-shadow: var(--shadow-raised);
    max-height: 48vh;
  }
  .palette__quick {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    border: 0;
    flex: none;
  }
  .palette-orb {
    appearance: none;
    width: var(--palette-control-size);
    height: var(--palette-control-size);
    border-radius: 50%;
    border: 1px solid color-mix(in srgb, var(--xeit-border-strong) 70%, transparent);
    background:
      linear-gradient(180deg,
        color-mix(in srgb, var(--xeit-bg-raised) 86%, transparent),
        color-mix(in srgb, var(--xeit-input-bg) 74%, transparent));
    box-shadow:
      0 12px 28px color-mix(in srgb, var(--xeit-shadow, #000) 16%, transparent),
      inset 0 1px 0 color-mix(in srgb, #fff 32%, transparent);
    color: var(--xeit-fg-strong);
    cursor: pointer;
    display: grid;
    place-items: center;
    font-family: var(--font-serif);
    font-size: 16px;
    font-style: italic;
    font-weight: 600;
    padding: 0;
    transition: border-color var(--dur-fast) var(--ease-out),
                box-shadow var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out),
                color var(--dur-fast) var(--ease-out);
    backdrop-filter: blur(22px) saturate(1.25);
    -webkit-backdrop-filter: blur(22px) saturate(1.25);
  }
  .palette-orb:disabled {
    cursor: default;
    opacity: 0.42;
  }
  .palette-orb:not(:disabled):hover,
  .palette-orb:not(:disabled).is-focused,
  .palette-orb:not(:disabled):focus-visible {
    border-color: var(--xeit-accent);
    box-shadow: var(--shadow-glow);
    color: var(--xeit-accent);
    outline: none;
  }
  .palette-section {
    padding: 8px 0 4px;
  }
  .palette-section__head {
    font-family: var(--font-serif);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--xeit-fg-muted);
    font-style: italic;
    padding: 4px 18px 6px;
  }
  .palette-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 9px 18px;
    text-align: left;
    color: var(--xeit-fg);
    font-family: var(--font-serif);
    font-size: 14px;
    border-left: 2px solid transparent;
    transition: background var(--dur-fast) var(--ease-out),
                color var(--dur-fast) var(--ease-out),
                border-color var(--dur-fast) var(--ease-out);
  }
  .palette-item:hover,
  .palette-item.is-focused {
    background: var(--xeit-input-bg);
    border-left-color: var(--xeit-accent);
    color: var(--xeit-accent);
  }
  .palette-item__icon {
    flex: none;
    color: var(--xeit-fg-muted);
    display: inline-flex;
    align-items: center;
  }
  .palette-item:hover .palette-item__icon,
  .palette-item.is-focused .palette-item__icon { color: var(--xeit-coral-400); }
  .palette-item__icon svg { width: 14px; height: 14px; stroke-width: 1.7; }
  .palette-item__text {
    flex: 1;
    min-width: 0;
  }
  .palette-item__label {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--xeit-fg-strong);
  }
  .palette-item.is-focused .palette-item__label,
  .palette-item:hover .palette-item__label { color: var(--xeit-accent); }
  .palette-item__snippet {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--xeit-fg-muted);
    font-size: 12px;
    font-style: italic;
    margin-top: 2px;
  }
  .palette-mark { color: var(--xeit-accent); font-weight: 600; }
  .palette-item__hint {
    flex: none;
    font-size: 11px;
    font-style: italic;
    color: var(--xeit-fg-muted);
  }
  .palette__empty {
    text-align: center;
    color: var(--xeit-fg-muted);
    font-style: italic;
    font-size: 13px;
    padding: 32px 16px;
  }
  .palette__create {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    border: 1px solid var(--xeit-border);
    border-radius: 16px;
    background: color-mix(in srgb, var(--xeit-bg-raised) 92%, transparent);
    box-shadow: var(--shadow-raised);
    padding: 10px 18px;
  }
  .palette-create {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    color: var(--xeit-fg-muted);
    cursor: pointer;
    font-family: var(--font-serif);
    font-size: 13px;
    font-style: italic;
    overflow: hidden;
    padding: 8px 10px;
    text-align: left;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .palette-create:hover,
  .palette-create.is-focused,
  .palette-create:focus-visible {
    border-color: var(--xeit-accent);
    box-shadow: var(--shadow-glow);
    color: var(--xeit-accent);
    outline: none;
  }
  .palette__footer {
    color: var(--xeit-fg-muted);
    font-family: var(--font-mono);
    font-size: 11px;
    font-style: italic;
    padding: 0 18px;
    text-align: center;
  }

  @media (max-width: 720px) {
    .palette {
      --palette-control-size: 44px;
      top: 5vh;
      width: min(100vw - 20px, 560px);
      max-height: 82vh;
    }
    .palette__topline { gap: 6px; }
    .palette__input-wrap { padding: 0 13px; gap: 9px; }
    .palette__input { font-size: 16px; }
    .palette__create { grid-template-columns: 1fr; }
    .drop-overlay__card { padding: 32px 28px; max-width: 88vw; }
  }