@layer components {

    /* ── Caps label ──────────────────────────────────── */
    .caps-label {
        font-size: var(--text-xs);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        color: var(--text-muted);
    }

    /* ── Gradient text ───────────────────────────────── */
    .gradient-text {
        background: linear-gradient(135deg, hsl(var(--accent)) 0%, hsl(var(--accent) / 0.7) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    /* ── vl-btn — canonical button system ───────────── */
    /* Primary action = coral (--cta) across all modes.
       Accent-colored states (tabs, borders) use --accent separately. */
    .vl-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.375rem;
        padding: 0.4rem 1rem;
        border-radius: var(--radius-lg);
        border: 1px solid transparent;
        font-size: var(--text-base);
        font-weight: 600;
        cursor: pointer;
        font-family: inherit;
        white-space: nowrap;
        text-decoration: none;
        transition: background var(--dur-fast) var(--ease),
                    color var(--dur-fast) var(--ease),
                    border-color var(--dur-fast) var(--ease),
                    opacity var(--dur-fast) var(--ease);
    }
    .vl-btn:disabled,
    .vl-btn[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }
    .vl-btn--primary   { background: hsl(var(--cta)); color: hsl(var(--surface)); }
    .vl-btn--primary:hover { background: hsl(var(--cta-hover)); }
    .vl-btn--secondary { background: hsl(var(--surface-raised) / 0.5); color: var(--text); border-color: hsl(var(--line)); }
    .vl-btn--secondary:hover { border-color: hsl(var(--accent)); color: hsl(var(--accent)); }
    .vl-btn--ghost     { background: transparent; color: var(--text-muted); }
    .vl-btn--ghost:hover { color: var(--text); background: hsl(var(--surface-raised) / 0.5); }
    .vl-btn--danger    { background: hsl(var(--danger)); color: hsl(var(--surface)); }
    .vl-btn--danger:hover { opacity: 0.85; }
    .vl-btn--link      { background: transparent; color: var(--text-muted); border-color: transparent; font-weight: 500; font-size: var(--text-sm); }
    .vl-btn--link:hover { color: var(--text); }
    .vl-btn--sm        { padding: 0.25rem 0.6rem; font-size: var(--text-sm); border-radius: var(--radius-md); }
    .vl-btn--full      { width: 100%; justify-content: center; }

    /* ── vl-input ────────────────────────────────────── */
    .vl-input {
        width: 100%;
        padding: 0.45rem 0.75rem;
        border-radius: var(--radius-md);
        border: 1px solid hsl(var(--line));
        background: hsl(var(--surface-sunken));
        color: var(--text);
        font-size: var(--text-base);
        font-family: inherit;
        outline: none;
        box-sizing: border-box;
        transition: border-color var(--dur-fast) var(--ease);
    }
    .vl-input:focus { border-color: hsl(var(--accent)); }
    .vl-input::placeholder { color: var(--text-muted); }
    .vl-input.field-error { border-color: hsl(var(--danger)); }

    /* ── interactive-btn — tabs + brand switcher ─────── */
    .interactive-btn {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        border: 1px solid hsl(var(--line));
        font-weight: 600;
        cursor: pointer;
        font-family: inherit;
        white-space: nowrap;
        transition: background var(--dur-fast) var(--ease),
                    color var(--dur-fast) var(--ease),
                    border-color var(--dur-fast) var(--ease);
    }

    /* ── Card base ───────────────────────────────────── */
    .card {
        background: hsl(var(--surface-raised) / 0.3);
        border: 1px solid hsl(var(--line));
        border-radius: var(--radius-md);
        transition: border-color var(--dur-fast) var(--ease);
    }
    .card:hover { border-color: var(--text-muted); }

    /* ── Section card — extends .card for text canvases ─ */
    /* profile / competitors / seo — always paired with .card in HTML */
    .section-card           { padding: 8px 12px; margin-bottom: 8px; }
    .section-card:last-child { margin-bottom: 0; }

    .section-label          { margin-bottom: 6px; }
    .section-body           { font-size: var(--text-sm); color: var(--text); line-height: 1.55; }
    .section-body--muted    { color: var(--text-muted); margin-bottom: 6px; }

    /* ── kv-row — inline label/value pairs ──────────── */
    .kv-row {
        display: flex;
        align-items: baseline;
        gap: 8px;
        padding: 4px 0;
        border-bottom: 1px solid hsl(var(--line) / 0.3);
        font-size: var(--text-sm);
    }
    .kv-row:last-child  { border-bottom: none; }
    .kv-label           { color: var(--text-muted); font-size: var(--text-xs); font-weight: 600; flex-shrink: 0; }
    .kv-value           { font-size: var(--text-sm); color: var(--text); flex: 1; }
    .kv-label--pos      { color: hsl(var(--success)); }
    .kv-label--neg      { color: hsl(var(--danger)); }

    /* ── Popover base ────────────────────────────────── */
    .popover-menu {
        display: none;
        position: absolute;
        background: hsl(var(--surface-overlay));
        border: 1px solid hsl(var(--line));
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
    }
    .popover-menu.open { display: block; }

    /* ── Badge base ──────────────────────────────────── */
    .vl-badge, .channel-badge, .role-badge, .winner-badge, .overall-score-badge {
        display: inline-flex;
        align-items: center;
        padding: 1px 6px;
        border-radius: var(--radius-sm);
        font-size: var(--text-xs);
        white-space: nowrap;
    }

    /* ── vl-badge ────────────────────────────────────── */
    .vl-badge {
        font-weight: 700;
        background: hsl(var(--surface-raised) / 0.3);
        border: 1px solid hsl(var(--line));
        color: var(--text-muted);
    }

    /* ── channel-badge (leaderboard, short-code names) ─ */
    .channel-badge {
        padding: 2px 6px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        background: hsl(var(--surface-raised) / 0.3);
        border: 1px solid hsl(var(--line));
        color: var(--text-muted);
    }
    .channel-badge--ig      { color: var(--ch-instagram); border-color: hsl(var(--ch-instagram-n) / 0.3); background: hsl(var(--ch-instagram-n) / 0.15); }
    .channel-badge--yt      { color: var(--ch-youtube);   border-color: hsl(var(--ch-youtube-n)   / 0.3); background: hsl(var(--ch-youtube-n)   / 0.15); }
    .channel-badge--seo     { color: var(--ch-seo);       border-color: hsl(var(--ch-seo-n)       / 0.3); background: hsl(var(--ch-seo-n)       / 0.15); }
    .channel-badge--meta    { color: var(--ch-meta);      border-color: hsl(var(--ch-meta-n)      / 0.3); background: hsl(var(--ch-meta-n)      / 0.15); }
    .channel-badge--google  { color: var(--ch-google);    border-color: hsl(var(--ch-google-n)    / 0.3); background: hsl(var(--ch-google-n)    / 0.15); }
    .channel-badge--display { color: var(--ch-display);   border-color: hsl(var(--ch-display-n)   / 0.3); background: hsl(var(--ch-display-n)   / 0.15); }
    .channel-badge--seg     { font-size: var(--text-xs); padding: 2px 7px; }

    /* ── role-badge ──────────────────────────────────── */
    .role-badge {
        font-weight: 500;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 160px;
    }
    .role-badge--content { background: hsl(var(--accent) / 0.1); color: hsl(var(--accent)); }

    /* ── Score badges (experiments + leaderboard) ────── */
    .winner-badge {
        border-radius: var(--radius-pill);
        font-weight: 600;
        background: hsl(var(--success) / 0.15);
        color: hsl(var(--success));
        border: 1px solid hsl(var(--success) / 0.3);
    }
    .overall-score-badge {
        border-radius: var(--radius-pill);
        font-weight: 700;
        background: var(--accent-weak);
        border: 1px solid var(--accent-line);
        color: hsl(var(--accent));
        flex-shrink: 0;
    }

    /* ── Simulated badge (demo only) ─────────────────── */
    .vl-badge--simulated {
        color: hsl(var(--text-muted));
        background: hsl(var(--surface-sunken));
        border: 1px solid hsl(var(--line));
        display: none;
    }
    .canvas-simulated-bar { display: none; padding: var(--space-2) var(--space-2) 0; }
    .mode-demo .vl-badge--simulated { display: inline-flex; }
    .mode-demo .canvas-simulated-bar { display: flex; }

    /* ── State: empty / loading ──────────────────────── */
    .vl-state {
        display: flex;
        align-items: center;
        justify-content: center;
        flex: 1;
        color: var(--text-muted);
        font-size: var(--text-base);
    }
    .vl-empty {
        flex-direction: column;
        gap: 0.375rem;
        text-align: center;
        padding: 2rem;
    }
    .vl-empty__hint { font-size: var(--text-sm); color: var(--text-muted); opacity: 0.7; }

    /* ── Modal ───────────────────────────────────────── */
    .modal-backdrop {
        position: fixed;
        inset: 0;
        background: hsl(var(--surface) / 0.72);
        backdrop-filter: blur(12px);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 500;
        padding: var(--space-5);
    }
    .modal-card {
        background: hsl(var(--surface-overlay));
        border: 1px solid hsl(var(--line) / 0.7);
        border-radius: 16px;
        padding: 32px 28px 24px;
        width: 100%;
        max-width: 420px;
        position: relative;
        box-shadow: 0 16px 48px hsl(var(--surface) / 0.7), 0 2px 8px hsl(var(--surface) / 0.4);
        text-align: center;
        display: flex;
        flex-direction: column;
        gap: var(--modal-gap);
    }
    .modal-card--wide { max-width: 540px; }
    .modal-close {
        position: absolute;
        top: var(--space-4);
        right: var(--space-4);
        background: hsl(var(--surface-raised) / 0.6);
        border: 1px solid hsl(var(--line) / 0.5);
        border-radius: var(--radius-sm);
        color: var(--text-muted);
        font-size: var(--text-base);
        cursor: pointer;
        font-family: inherit;
        line-height: 1;
        width: 28px; height: 28px;
        display: flex; align-items: center; justify-content: center;
        transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
    }
    .modal-close:hover { color: var(--text); background: hsl(var(--surface-raised)); }
    .modal-title { font-family: var(--font-heading); font-size: var(--modal-title-size); font-weight: 700; color: var(--text); margin: 0; text-align: center; letter-spacing: -0.01em; line-height: 1.25; }
    .modal-body  { font-size: var(--text-sm); color: var(--text-muted); margin: 0; line-height: 1.5; text-align: center; }
    .modal-cta   { display: inline-block; text-decoration: none; }

    /* ── Mobile gate ─────────────────────────────────── */
    .mobile-gate {
        display: none;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        height: 100vh;
        text-align: center;
        padding: 2rem;
        background: hsl(var(--surface));
        color: var(--text-muted);
        font-size: var(--text-base);
    }
    .mobile-gate-logo { height: 2rem; width: auto; }
    @media (max-width: 1023px) {
        .mobile-gate { display: flex; }
        .main-header, .main-content-wrapper { display: none; }
    }

    /* ── Hover preview popover ───────────────────────── */
    .content-preview-popover {
        position: fixed;
        z-index: 9999;
        width: 300px;
        max-height: 440px;
        overflow: auto;
        background: hsl(var(--surface-raised) / 0.9);
        border: 1px solid hsl(var(--line));
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow-md);
        pointer-events: none;
    }
    .preview-ig { overflow: hidden; }
    .preview-ig__header { display: flex; align-items: center; gap: 8px; padding: 8px 12px; }
    .preview-ig__avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
    .preview-ig__user { font-size: var(--text-xs); font-weight: 600; color: var(--text); }
    .preview-ig__image { position: relative; width: 100%; aspect-ratio: 1/1; overflow: hidden; background: hsl(var(--surface-raised)); }
    .preview-ig__banner { width: 100%; height: 100%; object-fit: cover; }
    .preview-ig__overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 8px 12px; background: linear-gradient(transparent, hsl(var(--surface) / 0.8)); color: var(--text); font-size: var(--text-sm); font-weight: 600; }
    .preview-ig__actions { display: flex; gap: 12px; padding: 8px 12px; }
    .preview-ig__actions svg { width: 20px; height: 20px; color: var(--text); }
    .preview-ig__caption { padding: 0 12px 8px; font-size: var(--text-xs); color: var(--text); line-height: 1.5; }
    .preview-ig__caption strong { font-weight: 600; }
    .preview-ig__type { padding: 0 12px 8px; font-size: var(--text-xs); color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
    .preview-yt { overflow: hidden; }
    .preview-yt__thumbnail { position: relative; aspect-ratio: 16/9; background: hsl(var(--surface-raised)); overflow: hidden; }
    .preview-yt__thumbnail img { width: 100%; height: 100%; object-fit: cover; }
    .preview-yt__play { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 48px; height: 34px; background: hsl(var(--danger) / 0.9); border-radius: 4px; display: flex; align-items: center; justify-content: center; }
    .preview-yt__info { padding: 8px 12px; }
    .preview-yt__title { font-size: var(--text-sm); font-weight: 600; color: var(--text); margin-bottom: 4px; }
    .preview-yt__channel { display: flex; align-items: center; gap: 8px; }
    .preview-yt__avatar { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }
    .preview-yt__channel span { font-size: var(--text-xs); color: var(--text-muted); }
    .preview-yt__meta { font-size: var(--text-xs); color: var(--text-muted); margin-top: 4px; }
    .preview-seo { padding: 12px; }
    .preview-seo__url { font-size: var(--text-xs); color: var(--text-muted); margin-bottom: 4px; }
    .preview-seo__headline { font-size: var(--text-base); font-weight: 500; color: hsl(var(--accent)); margin-bottom: 4px; }
    .preview-seo__desc { font-size: var(--text-sm); color: var(--text-muted); line-height: 1.5; }
    .preview-meta { overflow: hidden; }
    .preview-meta__header { display: flex; align-items: center; gap: 8px; padding: 8px 12px; }
    .preview-meta__avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }
    .preview-meta__header-text { display: flex; flex-direction: column; }
    .preview-meta__user { font-size: var(--text-xs); font-weight: 600; color: var(--text); }
    .preview-meta__sponsored { font-size: var(--text-xs); color: var(--text-muted); }
    .preview-meta__thumbnail { width: 100%; overflow: hidden; }
    .preview-meta__thumbnail img { width: 100%; display: block; }
    .preview-meta__body { padding: 8px 12px; }
    .preview-meta__headline { font-size: var(--text-sm); font-weight: 600; color: var(--text); margin-bottom: 4px; }
    .preview-meta__desc { font-size: var(--text-xs); color: var(--text-muted); }
    .preview-meta__cta { display: block; margin: 8px 12px 12px; padding: 8px; text-align: center; background: hsl(var(--surface-raised)); border: 1px solid hsl(var(--line)); border-radius: 4px; font-size: var(--text-sm); font-weight: 600; color: var(--text); }
    .preview-gsa { padding: 12px; }
    .preview-gsa__badge { display: inline-block; padding: 1px 4px; border-radius: 4px; font-size: var(--text-xs); font-weight: 700; background: hsl(var(--surface-raised)); color: var(--text-muted); margin-bottom: 4px; }
    .preview-gsa__url { font-size: var(--text-xs); color: var(--text-muted); margin-bottom: 4px; }
    .preview-gsa__headline { font-size: var(--text-base); font-weight: 500; color: hsl(var(--accent)); margin-bottom: 4px; }
    .preview-gsa__desc { font-size: var(--text-sm); color: var(--text-muted); line-height: 1.5; }
    .preview-display { overflow: hidden; }
    .preview-display__header { display: flex; align-items: center; gap: 8px; padding: 8px 12px; }
    .preview-display__logo { width: 24px; height: 24px; border-radius: 4px; object-fit: cover; }
    .preview-display__brand { font-size: var(--text-xs); font-weight: 600; color: var(--text); }
    .preview-display__ad-badge { margin-left: auto; font-size: var(--text-xs); font-weight: 700; color: var(--text-muted); background: hsl(var(--surface-raised)); padding: 1px 4px; border-radius: 4px; }
    .preview-display__body { padding: 8px 12px; }
    .preview-display__headline { font-size: var(--text-sm); font-weight: 600; color: var(--text); margin-bottom: 4px; }
    .preview-display__desc { font-size: var(--text-xs); color: var(--text-muted); }
    .preview-display__cta { display: block; margin: 8px 12px 12px; padding: 8px; text-align: center; background: hsl(var(--accent) / 0.1); border: 1px solid hsl(var(--accent) / 0.3); border-radius: 4px; font-size: var(--text-sm); font-weight: 600; color: hsl(var(--accent)); }
    .preview-generic { padding: 12px; }
    .preview-generic__headline { font-size: var(--text-sm); font-weight: 600; color: var(--text); margin-bottom: 4px; }
    .preview-generic__desc { font-size: var(--text-xs); color: var(--text-muted); line-height: 1.5; }

    /* ── Expert-read prose block (O4.20) ───────────── */
    .expert-read {
        padding: 10px 12px;
        border-left: 2px solid hsl(var(--accent) / 0.35);
        margin-bottom: 8px;
        font-size: var(--text-sm);
        color: var(--text-muted);
        line-height: 1.55;
        background: hsl(var(--surface-raised) / 0.2);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }

    /* ── Confidence dot (O4.12) ─────────────────────── */
    .field-conf {
        display: inline-block;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        margin-left: 5px;
        vertical-align: middle;
        flex-shrink: 0;
    }
    .field-conf--high   { background: hsl(var(--success) / 0.55); }
    .field-conf--medium { background: hsl(var(--text-muted) / 0.5); }
    .field-conf--low    { background: hsl(var(--danger)); }

    /* ── Classification confidence % (O4.12) ───────── */
    .field-conf-pct {
        font-size: var(--text-xs);
        color: var(--text-muted);
        font-weight: 400;
        margin-left: 4px;
    }

}