/* ─── Design Tokens (copied verbatim from app.css) ─── */
:root {
    --bg-primary: #f8f9fc;
    --bg-primary-rgb: 248, 249, 252;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f1f5;
    --bg-elevated: #ffffff;
    --bg-glass: rgba(0, 0, 0, 0.02);
    --bg-glass-hover: rgba(0, 0, 0, 0.04);

    --text-primary: #1a1a2e;
    --text-secondary: #6b7084;
    --text-muted: #9ca3b4;

    --accent: #2fb383;
    --accent-glow: rgba(47, 179, 131, 0.15);
    --accent-soft: rgba(47, 179, 131, 0.08);
    --accent-gradient: linear-gradient(135deg, #2fb383, #34d399);
    --accent-wash: radial-gradient(120% 100% at 0% 0%, rgba(47, 179, 131, 0.10) 0%, rgba(47, 179, 131, 0.00) 60%);

    --border: rgba(0, 0, 0, 0.08);
    --border-subtle: rgba(0, 0, 0, 0.04);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 30px var(--accent-glow);

    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);

    --scrollbar-thumb: rgba(0, 0, 0, 0.18);
    --scrollbar-thumb-hover: rgba(0, 0, 0, 0.32);
}

[data-theme="dark"] {
    --bg-primary:   #0f1419;
    --bg-primary-rgb: 15, 20, 25;
    --bg-secondary: #161b22;
    --bg-tertiary:  #1e242c;
    --bg-elevated:  #1a2028;
    --bg-glass:       rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.06);

    --text-primary:   #e6edf3;
    --text-secondary: #9aa4b1;
    --text-muted:     #6b7280;

    --accent-glow: rgba(47, 179, 131, 0.28);
    --accent-soft: rgba(47, 179, 131, 0.14);

    --border:        rgba(255, 255, 255, 0.08);
    --border-subtle: rgba(255, 255, 255, 0.04);

    --shadow-sm: 0 1px 2px  rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.55);

    --scrollbar-thumb:       rgba(255, 255, 255, 0.18);
    --scrollbar-thumb-hover: rgba(255, 255, 255, 0.32);

    color-scheme: dark;
}

/* ─── Reset & base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.2s ease, color 0.2s ease;
}
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border: 2px solid transparent;
    background-clip: padding-box;
    border-radius: 8px;
    transition: background-color 0.15s ease;
}
*::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
    background-clip: padding-box;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout ─── */
.shell { max-width: 1100px; margin: 0 auto; padding: 32px 28px 80px; }

header.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 24px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo {
    width: 44px; height: 44px; flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title {
    font-size: 19px;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--text-primary);
}
.brand-sub {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* Theme toggle (segmented) */
.theme-toggle {
    display: inline-flex;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    padding: 3px;
    border-radius: var(--radius-full);
    gap: 2px;
}
.theme-toggle button {
    padding: 6px 12px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font: 500 12.5px 'Inter', system-ui, sans-serif;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.theme-toggle button:hover { color: var(--text-primary); }
.theme-toggle button.active {
    background: var(--bg-elevated);
    color: var(--accent);
    box-shadow: var(--shadow-sm);
}

h1 { font-size: 28px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 4px; }

/* ─── Group navigation (sticky pill bar) ─── */
.group-nav {
    position: sticky;
    top: 0;
    z-index: 80;
    margin: 18px -28px 32px;
    padding: 12px 28px;
    background: rgba(var(--bg-primary-rgb), 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-subtle);
}
.group-nav-inner {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    /* hide scrollbar — the row scrolls horizontally on narrow screens but we keep the chrome clean */
}
.group-nav-inner::-webkit-scrollbar { display: none; }

.group-nav a {
    flex-shrink: 0;
    padding: 6px 12px;
    font: 500 12.5px 'Inter', system-ui, sans-serif;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    line-height: 1.4;
}
.group-nav a:hover {
    color: var(--text-primary);
    background: var(--bg-glass-hover);
    text-decoration: none;
}
.group-nav a.active {
    color: var(--accent);
    background: var(--accent-soft);
    border-color: var(--accent);
}

/* Offset anchored sections so the sticky nav doesn't cover the heading on scroll */
[id^="group-"] { scroll-margin-top: 70px; }

/* "Back to top" floating button */
.to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 70;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: #ffffff;
    border: none;
    box-shadow: 0 6px 20px var(--accent-glow), 0 2px 6px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover   { transform: translateY(-2px); }
h2 {
    font-size: 19px;
    font-weight: 600;
    letter-spacing: -0.015em;
    margin: 48px 0 4px;
    color: var(--text-primary);
}
h2 .h2-num {
    color: var(--accent);
    font-weight: 600;
    margin-right: 10px;
    font-variant-numeric: tabular-nums;
}
h3 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0;
    margin: 28px 0 10px;
    color: var(--text-primary);
}
.section-lead {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 4px 0 22px;
    max-width: 720px;
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    margin: 0 0 18px;
}

/* ─── Code blocks ─── */
pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    overflow-x: auto;
    font: 400 12.5px/1.55 'JetBrains Mono', 'Fira Code', monospace;
    color: var(--text-primary);
    margin: 12px 0 0;
}
code:not(pre code) {
    font: 500 0.88em 'JetBrains Mono', 'Fira Code', monospace;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    padding: 1px 6px;
    border-radius: 4px;
    color: var(--text-primary);
}

/* ─── Color swatches ─── */
.swatch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}
.swatch {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-elevated);
}
.swatch-color {
    height: 64px;
    border-bottom: 1px solid var(--border-subtle);
}
.swatch-meta { padding: 10px 12px; font-size: 12px; }
.swatch-name { font-weight: 600; color: var(--text-primary); display: block; margin-bottom: 2px; }
.swatch-token {
    font: 500 11.5px 'JetBrains Mono', monospace;
    color: var(--text-muted);
    word-break: break-all;
}

/* ─── Spacing scale ─── */
.scale-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
}
.scale-row:last-child { border-bottom: none; }
.scale-bar {
    height: 14px;
    background: var(--accent-soft);
    border-radius: 4px;
    border: 1px solid var(--accent);
    flex-shrink: 0;
}
.scale-label {
    font: 500 12.5px 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    width: 60px;
    flex-shrink: 0;
}
.scale-use { font-size: 13px; color: var(--text-secondary); }

/* ─── Radii grid ─── */
.radii-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
}
.radius-tile {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 18px;
    text-align: center;
}
.radius-tile-name { font: 600 13px inherit; color: var(--text-primary); margin-bottom: 4px; }
.radius-tile-token { font: 500 11.5px 'JetBrains Mono', monospace; color: var(--text-muted); }

/* ─── Gradient tiles ─── */
.gradient-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}
.gradient-tile {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-elevated);
}
.gradient-tile-swatch { height: 88px; border-bottom: 1px solid var(--border-subtle); }
.gradient-tile-meta   { padding: 10px 12px 12px; }
.gradient-tile-name   { font-weight: 600; color: var(--text-primary); display: block; margin-bottom: 2px; font-size: 13px; }
.gradient-tile-token  { font: 500 11.5px 'JetBrains Mono', monospace; color: var(--text-muted); word-break: break-all; }

.gradient-text-demo {
    font: 700 32px 'Inter', system-ui, sans-serif;
    letter-spacing: -0.02em;
    color: var(--accent);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-hero {
    position: relative;
    background-color: var(--bg-secondary);
    background-image: var(--accent-wash);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
}
.gradient-hero-title { font: 600 22px inherit; letter-spacing: -0.015em; color: var(--text-primary); margin-bottom: 6px; }
.gradient-hero-body  { font-size: 14px; color: var(--text-secondary); max-width: 480px; }

/* ─── Shadow tiles ─── */
.shadow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 18px;
    padding: 14px 4px;
}
.shadow-tile {
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    padding: 24px 18px;
    text-align: center;
}
.shadow-tile.sm { box-shadow: var(--shadow-sm); }
.shadow-tile.md { box-shadow: var(--shadow-md); }
.shadow-tile.lg { box-shadow: var(--shadow-lg); }
.shadow-tile.glow { box-shadow: var(--shadow-glow); border: 1px solid var(--accent-soft); }
.shadow-tile-name { font: 600 13px inherit; color: var(--text-primary); margin-bottom: 4px; }
.shadow-tile-token { font: 500 11.5px 'JetBrains Mono', monospace; color: var(--text-muted); }

/* ─── Demo row helper ─── */
.demo-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    padding: 8px 0 14px;
}

/* ───────── Component: Buttons ───────── */
.btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font: 500 13px/1 'Inter', system-ui, sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-primary {
    border: none;
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 14px var(--accent-glow), 0 2px 4px rgba(0, 0, 0, 0.06);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-chip {
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}
.btn-chip:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-soft);
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}
.btn-icon:hover {
    color: var(--accent);
    background: var(--accent-soft);
}

/* Disabled — every button variant honors :disabled */
.btn:disabled,
.btn-chip:disabled,
.btn-icon:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    pointer-events: none;
    transform: none !important;
}
.btn-primary:disabled {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    box-shadow: none;
    opacity: 1;
}
.btn-secondary:disabled {
    color: var(--text-muted);
    border-color: var(--border-subtle);
    background: var(--bg-glass);
}
.btn-chip:disabled {
    color: var(--text-muted);
    border-color: var(--border-subtle);
    background: transparent;
}

/* ───────── Component: Inputs ───────── */
.input,
.textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font: 400 14px/1.5 inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input:focus,
.textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.textarea { resize: vertical; min-height: 88px; }

.field-label {
    display: block;
    font: 500 12.5px inherit;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.01em;
}
.field-description {
    margin: 8px 2px 0;
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--text-muted);
}

/* ───────── Component: Checkboxes ───────── */
.checkbox {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    line-height: 1.4;
}
.checkbox input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}
.checkbox-box {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border: 1.5px solid var(--border);
    border-radius: 5px;
    color: #ffffff;
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.checkbox-box svg { opacity: 0; transition: opacity 0.12s ease; }
.checkbox:hover .checkbox-box                 { border-color: var(--text-secondary); }
.checkbox input:checked + .checkbox-box       { background: var(--accent); border-color: var(--accent); }
.checkbox input:checked + .checkbox-box svg   { opacity: 1; }
.checkbox input:focus-visible + .checkbox-box { box-shadow: 0 0 0 3px var(--accent-soft); }
.checkbox input:disabled ~ *                  { opacity: 0.5; cursor: not-allowed; }
.checkbox input:indeterminate + .checkbox-box {
    background: var(--accent);
    border-color: var(--accent);
}
.checkbox input:indeterminate + .checkbox-box svg { display: none; }
.checkbox input:indeterminate + .checkbox-box::after {
    content: "";
    width: 10px;
    height: 2px;
    background: #ffffff;
    border-radius: 1px;
}
.checkbox-label { font-size: 14px; color: var(--text-primary); }

/* ───────── Component: Radios ───────── */
.radio {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    line-height: 1.4;
}
.radio input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}
.radio-box {
    position: relative;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background: var(--bg-elevated);
    border: 1.5px solid var(--border);
    border-radius: 50%;
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.radio-box::after {
    content: "";
    position: absolute;
    inset: 0;
    margin: auto;
    width: 8px;
    height: 8px;
    background: #ffffff;
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.6);
    transition: opacity 0.14s ease, transform 0.14s ease;
}
.radio:hover .radio-box                  { border-color: var(--text-secondary); }
.radio input:checked + .radio-box        { background: var(--accent); border-color: var(--accent); }
.radio input:checked + .radio-box::after { opacity: 1; transform: scale(1); }
.radio input:focus-visible + .radio-box  { box-shadow: 0 0 0 3px var(--accent-soft); }
.radio input:disabled ~ *                { opacity: 0.5; cursor: not-allowed; }
.radio-label { font-size: 14px; color: var(--text-primary); }

.radiogroup {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ───────── Component: Toggle switch ───────── */
.toggle {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    line-height: 1.4;
}
.toggle input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}
.toggle-track {
    position: relative;
    width: 36px;
    height: 20px;
    flex-shrink: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.toggle-track::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.toggle:hover .toggle-track                  { border-color: var(--text-secondary); }
.toggle input:checked + .toggle-track        { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-track::after { transform: translateX(16px); }
.toggle input:focus-visible + .toggle-track  { box-shadow: 0 0 0 3px var(--accent-soft); }
.toggle input:disabled ~ *                   { opacity: 0.5; cursor: not-allowed; }
.toggle-label { font-size: 14px; color: var(--text-primary); }

.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
}
.toggle-row .label-block { display: flex; flex-direction: column; gap: 2px; }
.toggle-row .label-title { font: 500 14px inherit; color: var(--text-primary); }
.toggle-row .label-desc  { font-size: 12.5px; color: var(--text-muted); }

/* ───────── Component: Segmented control ───────── */
.segmented {
    display: inline-flex;
    gap: 2px;
    padding: 3px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}
.segmented-option {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 0;
    padding: 7px 14px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font: 500 13px 'Inter', system-ui, sans-serif;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}
.segmented-option svg { flex-shrink: 0; }
.segmented-option:hover:not(.selected) {
    color: var(--text-primary);
    background: var(--bg-glass-hover);
}
.segmented-option.selected {
    background: var(--bg-elevated);
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.segmented-option:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Compact / icon-only variant */
.segmented-compact .segmented-option { padding: 7px 10px; }

/* Stretch variant — fills its container instead of hugging content */
.segmented-stretch { display: flex; width: 100%; }

/* ───────── Component: Custom dropdown ───────── */
.custom-dropdown { position: relative; width: 240px; }
.custom-dropdown-trigger {
    display: flex; align-items: center; justify-content: space-between;
    gap: 10px; width: 100%; padding: 9px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font: 500 14px inherit;
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.custom-dropdown-trigger:hover { border-color: var(--text-secondary); }
.custom-dropdown-trigger svg   { transition: transform 0.18s ease, color 0.18s ease; }
.custom-dropdown.open .custom-dropdown-trigger svg {
    transform: rotate(180deg);
    color: var(--accent);
}
.custom-dropdown-value {
    flex: 1; text-align: left;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.custom-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0; right: 0;
    z-index: 30;
    padding: 4px;
    max-height: 280px;
    overflow-y: auto;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12),
                0 2px 6px  rgba(0, 0, 0, 0.06);
    animation: custom-dropdown-in 0.14s ease-out;
}
@keyframes custom-dropdown-in {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0);    }
}
.custom-dropdown-item {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; padding: 9px 10px;
    background: transparent; border: none;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font: 500 14px inherit;
    cursor: pointer;
    text-align: left;
}
.custom-dropdown-item:hover    { background: var(--accent-soft); color: var(--accent); }
.custom-dropdown-item.selected { color: var(--accent); }
.custom-dropdown-item svg      { opacity: 0; }
.custom-dropdown-item.selected svg { opacity: 1; }
.custom-dropdown-backdrop {
    position: fixed; inset: 0; z-index: 20; background: transparent;
}
.custom-dropdown:not(.open) .custom-dropdown-menu,
.custom-dropdown:not(.open) .custom-dropdown-backdrop { display: none; }

/* ── Multi-select variant ── */
.custom-dropdown.is-multi { width: 340px; }
/* Trigger grows to wrap token chips; aligns to the top so the caret stays put. */
.custom-dropdown.is-multi .custom-dropdown-trigger {
    align-items: flex-start;
    min-height: 38px;
    padding: 5px 10px;
}
.custom-dropdown.is-multi .custom-dropdown-value {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    align-items: center;
    white-space: normal;       /* override single-line ellipsis */
    overflow: visible;
    padding: 2px 0;
    min-height: 26px;
}
/* Placeholder shown when nothing is selected. */
.custom-dropdown-placeholder { color: var(--text-muted); font-weight: 500; padding: 2px 0; }
/* Token chip inside the trigger. */
.custom-dropdown-token {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 4px 2px 9px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid var(--accent-glow);
    border-radius: var(--radius-full);
    max-width: 100%;
}
.custom-dropdown-token span {
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.custom-dropdown-token-remove {
    display: inline-flex; align-items: center; justify-content: center;
    width: 16px; height: 16px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--accent);
    border-radius: var(--radius-full);
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 0.12s ease;
}
.custom-dropdown-token-remove:hover { background: var(--accent-glow); }
.custom-dropdown-token-remove:focus-visible {
    outline: none; box-shadow: 0 0 0 2px var(--accent);
}
/* Checkbox-style marker on each option (replaces the single-select check). */
.custom-dropdown.is-multi .custom-dropdown-item { gap: 10px; }
.custom-dropdown-check {
    flex-shrink: 0;
    width: 17px; height: 17px;
    border: 1.5px solid var(--border);
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: background-color 0.12s ease, border-color 0.12s ease;
}
.custom-dropdown-check svg { opacity: 0; }
.custom-dropdown-item.selected .custom-dropdown-check {
    background: var(--accent);
    border-color: var(--accent);
}
.custom-dropdown-item.selected .custom-dropdown-check svg { opacity: 1; }
/* In multi-select the row label keeps the primary text colour even when checked. */
.custom-dropdown.is-multi .custom-dropdown-item.selected { color: var(--text-primary); }
.custom-dropdown.is-multi .custom-dropdown-item.selected:hover,
.custom-dropdown.is-multi .custom-dropdown-item.active { color: var(--accent); }
.custom-dropdown-item-text { flex: 1; }
/* Sticky toolbar row (select all / clear) at the top of the multi menu. */
.custom-dropdown-tools {
    display: flex; justify-content: space-between; gap: 8px;
    padding: 4px 6px 6px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--border-subtle);
}
.custom-dropdown-tool {
    font: 500 12px inherit;
    color: var(--text-secondary);
    background: none; border: none; padding: 2px 4px;
    border-radius: 4px; cursor: pointer;
}
.custom-dropdown-tool:hover         { color: var(--accent); }
.custom-dropdown-tool:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--accent-soft); }

@media (forced-colors: active) {
    .custom-dropdown-token { border-color: CanvasText; }
    .custom-dropdown-check { border-color: CanvasText; }
    .custom-dropdown-item.selected .custom-dropdown-check { background: Highlight; }
}

/* ───────── Component: Modal ───────── */
.modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, 0.45);
    display: none;
    align-items: center; justify-content: center;
    z-index: 1000;
    animation: modal-backdrop-in 0.18s ease-out;
}
.modal-backdrop.open { display: flex; }
@keyframes modal-backdrop-in { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
    width: 460px;
    max-width: calc(100vw - 32px);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px 24px 18px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22),
                0 4px 12px  rgba(0, 0, 0, 0.08);
    animation: modal-card-in 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes modal-card-in {
    from { opacity: 0; transform: scale(0.96) translateY(10px); }
    to   { opacity: 1; transform: scale(1)    translateY(0);    }
}
.modal-title { margin: 0 0 10px; font: 600 17px/1.3 inherit; letter-spacing: -0.01em; color: var(--text-primary); }
.modal-body  { margin: 0 0 22px; font-size: 14px; line-height: 1.55; color: var(--text-secondary); }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* Wider variants for tabbed dialogs */
.modal-card.modal-card-md { width: 600px; }
.modal-card.modal-card-lg { width: 820px; }

/* ─── Dialog variant: tabs across the top ─── */
.modal-tabs-top {
    display: flex;
    gap: 2px;
    margin: 6px 0 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-subtle);
    overflow-x: auto;
    scrollbar-width: none;
}
.modal-tabs-top::-webkit-scrollbar { display: none; }
.modal-tab-top {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font: 500 13.5px 'Inter', system-ui, sans-serif;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}
.modal-tab-top:hover            { color: var(--text-primary); background: var(--bg-glass-hover); }
.modal-tab-top.active           { color: var(--accent); background: var(--accent-soft); }
.modal-tab-top svg              { color: var(--text-muted); flex-shrink: 0; transition: color 0.12s ease; }
.modal-tab-top.active svg       { color: var(--accent); }

.modal-tabs-top-panel {
    min-height: 200px;
    margin-bottom: 18px;
    animation: modal-panel-fade 0.18s ease-out;
}

/* ─── Dialog variant: tabs on the left (Settings-style) ─── */
.modal-tabs-side {
    display: grid;
    grid-template-columns: 168px 1fr;
    gap: 22px;
    margin: 6px 0 22px;
    height: 360px;
}
.modal-tabs-side-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-right: 16px;
    border-right: 1px solid var(--border-subtle);
}
.modal-tab-side {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font: 500 13.5px 'Inter', system-ui, sans-serif;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}
.modal-tab-side:hover            { color: var(--text-primary); background: var(--bg-glass-hover); }
.modal-tab-side.active           { color: var(--accent); background: var(--accent-soft); }
.modal-tab-side svg              { color: var(--text-muted); flex-shrink: 0; transition: color 0.12s ease; }
.modal-tab-side.active svg       { color: var(--accent); }

.modal-tabs-side-panel {
    min-width: 0;             /* allow children to shrink correctly */
    overflow-y: auto;
    padding-right: 4px;
    animation: modal-panel-fade 0.18s ease-out;
}

@keyframes modal-panel-fade {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0);   }
}

/* ───────── Component: Status indicator ───────── */
.status-row {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
    padding-right: 18px;
}
.status-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}
.status-dot.indexing {
    background: #f59e0b;
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
    animation: status-pulse 2s ease-in-out infinite;
}
.status-dot.error {
    background: #ef4444;
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.4);
}
@keyframes status-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

/* ───────── Component: Source card (list card) ───────── */
.list-card {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color 0.12s ease, background-color 0.12s ease, box-shadow 0.12s ease;
    font: 500 13px inherit;
    color: var(--text-primary);
    width: fit-content;
}
.list-card:hover  { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.list-card-num    { color: var(--accent); font-weight: 600; font-size: 12px; }
.list-card-name   { flex: 1; }
.list-card-icon   { color: var(--text-muted); display: inline-flex; }

/* ───────── Component: Citation pill with tooltip ───────── */
.citation-link {
    position: relative;
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85em;
    padding: 2px 5px;
    margin: 0 1px;
    border-radius: 4px;
    background: var(--accent-soft);
    line-height: 1.2;
    vertical-align: baseline;
    transition: background-color 0.12s ease, color 0.12s ease, transform 0.12s ease;
    cursor: pointer;
}
.citation-link:hover  { background: var(--accent); color: #fff; transform: translateY(-1px); }
.citation-link:active { transform: translateY(0); }

.citation-link[data-tooltip]::before,
.citation-link[data-tooltip]::after {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, 4px);
    transition: opacity 0.14s ease, transform 0.14s ease;
    z-index: 50;
}
.citation-link[data-tooltip]::after {
    content: attr(data-tooltip);
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.3;
    color: var(--bg-elevated);
    background: var(--text-primary);
    border-radius: 6px;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16),
                0 1px 3px  rgba(0, 0, 0, 0.08);
    letter-spacing: 0.01em;
}
.citation-link[data-tooltip]::before {
    content: "";
    bottom: calc(100% + 3px);
    width: 0; height: 0;
    border: 5px solid transparent;
    border-top-color: var(--text-primary);
}
.citation-link[data-tooltip]:hover::after,
.citation-link[data-tooltip]:hover::before,
.citation-link[data-tooltip]:focus-visible::after,
.citation-link[data-tooltip]:focus-visible::before {
    opacity: 1;
    transform: translate(-50%, 0);
    transition-delay: 0.18s;
}

/* ───────── Tabs (segmented) ───────── */
.tabs {
    display: inline-flex;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    padding: 3px;
    border-radius: var(--radius-md);
    gap: 2px;
}
.tab-btn {
    padding: 7px 14px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font: 500 13px 'Inter', system-ui, sans-serif;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
    background: var(--bg-elevated);
    color: var(--accent);
    box-shadow: var(--shadow-sm);
}

/* ───────── Helpers ───────── */
.muted-line {
    height: 1px;
    background: var(--border-subtle);
    margin: 14px 0;
}

.example-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
@media (max-width: 760px) { .example-grid { grid-template-columns: 1fr; } }

.example-grid .example-pane {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px;
}
.example-grid .example-pane h4 {
    margin: 0 0 12px;
    font: 600 12px inherit;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

footer.bottom {
    margin-top: 60px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
    font-size: 12.5px;
    color: var(--text-muted);
}

/* ───────── Component: App bar ───────── */
.appbar {
    display: flex;
    align-items: center;
    gap: 16px;
    height: 56px;
    padding: 0 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
}
.appbar-leading,
.appbar-trailing { display: flex; align-items: center; gap: 12px; }
.appbar-center   { flex: 1; display: flex; justify-content: center; }
.appbar-title    { font: 600 16px inherit; letter-spacing: -0.015em; color: var(--text-primary); }
.appbar-badge {
    font: 500 9.5px inherit;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 1px 7px;
    border-radius: var(--radius-full);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.6;
}

/* ───────── Component: List ───────── */
.list {
    list-style: none; padding: 0; margin: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: background-color 0.12s ease;
}
.list-item:last-child { border-bottom: none; }
.list-item:hover      { background: var(--bg-glass-hover); }
.list-item-icon { color: var(--text-muted); flex-shrink: 0; display: inline-flex; }
.list-item-body { flex: 1; min-width: 0; }
.list-item-title {
    font: 500 14px inherit;
    color: var(--text-primary);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.list-item-sub  { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }
.list-item-action {
    color: var(--text-muted);
    transition: color 0.12s ease, transform 0.12s ease;
    flex-shrink: 0;
}
.list-item:hover .list-item-action { color: var(--accent); transform: translateX(2px); }

/* ───────── Component: Table ───────── */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.table thead th {
    text-align: left;
    padding: 10px 14px;
    font: 500 11px 'Inter', system-ui, sans-serif;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.table tbody td {
    padding: 12px 14px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover         { background: var(--bg-glass-hover); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }

.tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--accent-soft);
    color: var(--accent);
    font: 500 11px inherit;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
}
.tag.warn  { color: #b45309; background: rgba(245, 158, 11, 0.18); }
.tag.error { color: #b91c1c; background: rgba(239, 68, 68, 0.16); }
[data-theme="dark"] .tag.warn  { color: #fbbf24; }
[data-theme="dark"] .tag.error { color: #fca5a5; }

/* ───────── Component: Dropzone ───────── */
.dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 32px 24px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    color: var(--text-secondary);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.dropzone:hover,
.dropzone:focus-visible {
    border-color: var(--text-secondary);
    background: var(--bg-glass-hover);
    outline: none;
}
.dropzone.dragover {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
    transform: scale(1.01);
}
.dropzone-icon  { color: var(--text-muted); margin-bottom: 6px; }
.dropzone.dragover .dropzone-icon { color: var(--accent); }
.dropzone-title { font: 600 14px inherit; color: var(--text-primary); }
.dropzone.dragover .dropzone-title { color: var(--accent); }
.dropzone-hint  { font-size: 12.5px; color: var(--text-muted); }
.dropzone-browse {
    font: inherit;
    color: var(--accent);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    border-radius: 3px;
}
.dropzone-browse:hover { text-decoration: underline; }
.dropzone-browse:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }

/* ───────── Component: Tree view ───────── */
.tree { list-style: none; padding: 0; margin: 0; font-size: 14px; }
.tree-node { display: block; }
.tree-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.12s ease;
}
.tree-row:hover                                 { background: var(--bg-glass-hover); }
.tree-node.selected > .tree-row                 { background: var(--accent-soft); color: var(--accent); }
.tree-node.selected > .tree-row .tree-toggle    { color: var(--accent); }

.tree-toggle {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: transform 0.18s ease, color 0.18s ease;
}
.tree-node.expanded > .tree-row > .tree-toggle  { transform: rotate(90deg); }
.tree-node.leaf > .tree-row > .tree-toggle      { visibility: hidden; }
.tree-icon { width: 16px; height: 16px; display: inline-flex; align-items: center; justify-content: center; color: var(--text-muted); }
.tree-label { font-size: 14px; }

.tree-children {
    list-style: none;
    padding: 0 0 0 18px;
    margin: 0 0 0 7px;
    display: none;
    border-left: 1px solid var(--border-subtle);
}
.tree-node.expanded > .tree-children { display: block; }

/* ───────── Component: Snackbar / Toast ───────── */
.snackbar-stack {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
    pointer-events: none;
}
.snackbar {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    max-width: min(560px, calc(100vw - 32px));
    padding: 10px 14px;
    background: var(--text-primary);
    color: var(--bg-elevated);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18), 0 2px 6px rgba(0, 0, 0, 0.08);
    animation: snackbar-in 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
.snackbar.leaving { animation: snackbar-out 0.18s ease-in forwards; }
.snackbar-icon       { flex-shrink: 0; display: inline-flex; }
.snackbar.success .snackbar-icon { color: #22c55e; }
.snackbar.warn    .snackbar-icon { color: #f59e0b; }
.snackbar.error   .snackbar-icon { color: #ef4444; }
.snackbar-msg        { flex: 1; font: 500 13px inherit; line-height: 1.45; }
.snackbar-action {
    background: transparent;
    border: none;
    color: var(--accent);
    font: 600 13px inherit;
    cursor: pointer;
    padding: 4px 8px;
    margin: -4px -4px -4px 0;
    border-radius: 4px;
    transition: background-color 0.12s ease;
}
.snackbar-action:hover { background: rgba(47, 179, 131, 0.18); }
@keyframes snackbar-in  {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0);    }
}
@keyframes snackbar-out {
    to   { opacity: 0; transform: translateY(10px); }
}

/* ───────── Component: Generic tooltip (utility) ───────── */
.has-tooltip { position: relative; }
.has-tooltip[data-tooltip]::before,
.has-tooltip[data-tooltip]::after {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, 4px);
    transition: opacity 0.14s ease, transform 0.14s ease;
    z-index: 50;
}
.has-tooltip[data-tooltip]::after {
    content: attr(data-tooltip);
    padding: 6px 10px;
    font: 500 12px 'Inter', system-ui, sans-serif;
    line-height: 1.3;
    color: var(--bg-elevated);
    background: var(--text-primary);
    border-radius: 6px;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16), 0 1px 3px rgba(0, 0, 0, 0.08);
}
.has-tooltip[data-tooltip]::before {
    content: "";
    bottom: calc(100% + 3px);
    width: 0; height: 0;
    border: 5px solid transparent;
    border-top-color: var(--text-primary);
}
.has-tooltip:hover::after,
.has-tooltip:hover::before,
.has-tooltip:focus-visible::after,
.has-tooltip:focus-visible::before {
    opacity: 1;
    transform: translate(-50%, 0);
    transition-delay: 0.18s;
}
.has-tooltip.tip-bottom[data-tooltip]::after,
.has-tooltip.tip-bottom[data-tooltip]::before {
    bottom: auto;
    top: calc(100% + 8px);
    transform: translate(-50%, -4px);
}
.has-tooltip.tip-bottom[data-tooltip]::before {
    top: calc(100% + 3px);
    border-top-color: transparent;
    border-bottom-color: var(--text-primary);
}
.has-tooltip.tip-bottom:hover::after,
.has-tooltip.tip-bottom:hover::before,
.has-tooltip.tip-bottom:focus-visible::after,
.has-tooltip.tip-bottom:focus-visible::before {
    transform: translate(-50%, 0);
}

/* ───────── Component: Progress ───────── */
.progress {
    position: relative;
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    width: 0;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.progress-indeterminate .progress-bar {
    width: 35%;
    animation: progress-slide 1.4s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}
@keyframes progress-slide {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(286%); }
}
.progress-label {
    margin-top: 6px;
    font-size: 12.5px;
    color: var(--text-muted);
}

.spinner {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    border: 2px solid var(--accent-soft);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spinner-rotate 0.9s linear infinite;
    display: inline-block;
    vertical-align: middle;
}
.spinner-lg { width: 28px; height: 28px; border-width: 3px; }
@keyframes spinner-rotate { to { transform: rotate(360deg); } }

/* ───────── Component: Footer ───────── */
.footer {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13px;
    overflow: hidden;
}
.footer-minimal {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 18px;
}
.footer-copy strong { color: var(--text-primary); font-weight: 600; }
.footer-links { display: flex; gap: 18px; }
.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.12s ease;
}
.footer-links a:hover { color: var(--accent); }

.footer-site { padding: 32px 24px 0; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 24px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

.footer-brand-row { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.footer-brand-title { font: 600 17px inherit; letter-spacing: -0.015em; color: var(--text-primary); }
.footer-brand-tagline { font-size: 13px; color: var(--text-muted); line-height: 1.5; max-width: 260px; }

.footer-col h4 {
    font: 600 11px inherit;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin: 0 0 10px;
}
.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 4px 0;
    transition: color 0.12s ease;
}
.footer-col a:hover { color: var(--accent); }

.footer-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
    border-top: 1px solid var(--border-subtle);
    font-size: 12.5px;
    color: var(--text-muted);
}
.footer-bar strong   { color: var(--text-secondary); font-weight: 600; }
.footer-meta         { font-variant-numeric: tabular-nums; }
@media (max-width: 720px) {
    .footer-bar { flex-direction: column; align-items: flex-start; gap: 6px; }
    .footer-minimal { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* ───────── Component: Avatar ───────── */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    font: 600 12px 'Inter', system-ui, sans-serif;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    overflow: hidden;
    border: 2px solid var(--bg-elevated);
    user-select: none;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.avatar-xs { width: 20px; height: 20px; font-size: 9px;  border-width: 1.5px; }
.avatar-sm { width: 28px; height: 28px; font-size: 11px; }
.avatar-md { width: 36px; height: 36px; font-size: 13px; }
.avatar-lg { width: 48px; height: 48px; font-size: 15px; }
.avatar-xl { width: 72px; height: 72px; font-size: 20px; border-width: 3px; }
.avatar-more { background: var(--bg-tertiary); color: var(--text-secondary); }

.avatar-group { display: inline-flex; align-items: center; }
.avatar-group .avatar + .avatar { margin-left: -10px; }
.avatar-group .avatar:hover     { transform: translateY(-1px); transition: transform 0.15s ease; z-index: 1; }

/* ───────── Component: Badge / counter ───────── */
.badge-host { position: relative; }
.badge {
    position: absolute;
    top: -2px;
    right: -2px;
    pointer-events: none;
    box-shadow: 0 0 0 2px var(--bg-elevated);
}
.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}
.badge-count {
    min-width: 16px;
    height: 16px;
    padding: 0 5px;
    border-radius: 9999px;
    background: var(--accent);
    color: #ffffff;
    font: 600 10px 'Inter', system-ui, sans-serif;
    line-height: 16px;
    text-align: center;
    letter-spacing: 0.02em;
}
.badge-pill {
    display: inline-block;
    padding: 1px 8px;
    border-radius: var(--radius-full);
    font: 600 10.5px 'Inter', system-ui, sans-serif;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-soft);
    line-height: 1.6;
}
.badge-pill-neutral { color: var(--text-secondary); background: var(--bg-tertiary); }
.badge-pill-warn    { color: #b45309; background: rgba(245, 158, 11, 0.18); }
.badge-pill-error   { color: #b91c1c; background: rgba(239, 68, 68, 0.16); }
[data-theme="dark"] .badge-pill-warn  { color: #fbbf24; }
[data-theme="dark"] .badge-pill-error { color: #fca5a5; }

/* ───────── Component: Breadcrumbs ───────── */
.breadcrumbs ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    font-size: 13px;
    color: var(--text-muted);
}
.breadcrumbs li { display: inline-flex; align-items: center; gap: 4px; }
.breadcrumbs li + li::before {
    content: "";
    width: 6px;
    height: 6px;
    border-right: 1.5px solid currentColor;
    border-top: 1.5px solid currentColor;
    transform: rotate(45deg);
    margin: 0 6px 0 2px;
    opacity: 0.5;
}
.breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 4px 6px;
    border-radius: 4px;
    transition: color 0.12s ease, background-color 0.12s ease;
}
.breadcrumbs a:hover { color: var(--accent); background: var(--accent-soft); }
.breadcrumbs [aria-current="page"] {
    color: var(--text-primary);
    font-weight: 500;
    padding: 4px 6px;
}

/* ───────── Component: Banner / inline alert ───────── */
.banner {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    border-left: 3px solid var(--accent);
}
.banner + .banner { margin-top: 10px; }
.banner-icon  { color: var(--accent); flex-shrink: 0; padding-top: 1px; display: inline-flex; }
.banner-body  { flex: 1; min-width: 0; }
.banner-title { font: 600 13.5px inherit; color: var(--text-primary); margin-bottom: 2px; }
.banner-text  { font-size: 12.5px; color: var(--text-secondary); line-height: 1.55; }
.banner-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    margin: -2px -4px -2px 0;
    border-radius: 4px;
    transition: color 0.12s ease, background-color 0.12s ease;
}
.banner-close:hover { color: var(--text-primary); background: var(--bg-glass-hover); }

.banner-info    { border-left-color: var(--accent); }   .banner-info    .banner-icon { color: var(--accent); }
.banner-success { border-left-color: #22c55e; }         .banner-success .banner-icon { color: #22c55e; }
.banner-warn    { border-left-color: #f59e0b; }         .banner-warn    .banner-icon { color: #f59e0b; }
.banner-error   { border-left-color: #ef4444; }         .banner-error   .banner-icon { color: #ef4444; }

/* ───────── Component: Skeleton loader ───────── */
.skeleton {
    display: block;
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 0%,
        var(--bg-glass-hover) 50%,
        var(--bg-tertiary) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.4s ease-in-out infinite;
    border-radius: 6px;
}
@keyframes skeleton-shimmer {
    0%   { background-position:  200% 0; }
    100% { background-position: -200% 0; }
}
.skeleton-line     { height: 12px; }
.skeleton-line-100 { width: 100%; }
.skeleton-line-70  { width: 70%; }
.skeleton-line-40  { width: 40%; }
.skeleton-avatar   { width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0; }
.skeleton-block    { width: 100%; height: 80px; border-radius: var(--radius-md); }
.skeleton-row      { display: flex; align-items: center; gap: 12px; padding: 12px 14px; }
.skeleton-stack    { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.skeleton-list {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.skeleton-list .skeleton-row + .skeleton-row { border-top: 1px solid var(--border-subtle); }

/* ───────── Component: Empty state ───────── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    padding: 48px 24px;
    color: var(--text-secondary);
}
.empty-state-icon {
    width: 72px;
    height: 72px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: 4px;
}
.empty-state-title {
    font: 600 17px inherit;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}
.empty-state-body {
    font-size: 13.5px;
    line-height: 1.55;
    max-width: 360px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* ───────── Component: Pagination ───────── */
.pagination { display: inline-flex; align-items: center; gap: 4px; }
.pagination-btn {
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font: 500 13px 'Inter', system-ui, sans-serif;
    font-variant-numeric: tabular-nums;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.pagination-btn:hover:not(:disabled):not(.active) {
    border-color: var(--border);
    color: var(--text-primary);
    background: var(--bg-glass-hover);
}
.pagination-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
    cursor: default;
}
.pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination-ellipsis     { color: var(--text-muted); padding: 0 6px; user-select: none; }

/* ───────── Component: Split button ───────── */
.split-button {
    position: relative;
    display: inline-flex;
    width: 220px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: border-color 0.15s ease;
}
.split-button:hover { border-color: var(--accent); }

.split-button-primary,
.split-button-caret {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font: 500 13px 'Inter', system-ui, sans-serif;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.split-button-primary {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    text-align: left;
    border-radius: calc(var(--radius-md) - 1px) 0 0 calc(var(--radius-md) - 1px);
}
.split-button-primary:hover {
    background: var(--accent-soft);
    color: var(--accent);
}

.split-button-caret {
    flex: 0 0 auto;
    width: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 0 calc(var(--radius-md) - 1px) calc(var(--radius-md) - 1px) 0;
    padding: 0;
}
.split-button:hover .split-button-caret  { border-left-color: var(--accent); }
.split-button-caret:hover,
.split-button.open .split-button-caret   { background: var(--accent-soft); color: var(--accent); }

.split-button-caret svg                  { transition: transform 0.18s ease; }
.split-button.open .split-button-caret svg { transform: rotate(180deg); }

.split-button-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font: 600 18px 'Inter', system-ui, sans-serif;
    line-height: 1;
}
.split-button-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    z-index: 30;
    padding: 4px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.06);
    animation: split-button-in 0.14s ease-out;
}
@keyframes split-button-in {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0);    }
}
.split-button-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 10px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font: 500 13.5px inherit;
    cursor: pointer;
    text-align: left;
    transition: background-color 0.12s ease, color 0.12s ease;
}
.split-button-menu-item:hover { background: var(--accent-soft); color: var(--accent); }
.split-button-menu-icon {
    width: 18px; height: 18px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--text-secondary);
    flex-shrink: 0;
}
.split-button-menu-item:hover .split-button-menu-icon { color: var(--accent); }
.split-button-backdrop {
    position: fixed;
    inset: 0;
    z-index: 20;
    background: transparent;
}
.split-button:not(.open) .split-button-menu,
.split-button:not(.open) .split-button-backdrop { display: none; }

/* ───────── Component: Accordion ───────── */
.accordion {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    overflow: hidden;
}
.accordion-item { border-bottom: 1px solid var(--border-subtle); }
.accordion-item:last-child { border-bottom: none; }
.accordion-item > summary { list-style: none; }
.accordion-item > summary::-webkit-details-marker { display: none; }

.accordion-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    cursor: pointer;
    font: 500 14px inherit;
    color: var(--text-primary);
    transition: background-color 0.12s ease;
    user-select: none;
}
.accordion-header:hover                                      { background: var(--bg-glass-hover); }
.accordion-item[open] > .accordion-header                    { color: var(--accent); }
.accordion-item[open] > .accordion-header .accordion-chevron { color: var(--accent); }

.accordion-chevron {
    width: 18px; height: 18px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), color 0.12s ease;
    flex-shrink: 0;
}
.accordion-item[open] > .accordion-header .accordion-chevron { transform: rotate(90deg); }
.accordion-title { flex: 1; }
.accordion-body {
    padding: 0 16px 16px 44px;
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--text-secondary);
    animation: accordion-body-in 0.22s ease-out;
}
@keyframes accordion-body-in {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0);    }
}

/* ───────── Component: App icon (brand mark) ───────── */
.app-icon { display: inline-block; flex-shrink: 0; }
.app-icon-xs { width: 20px;  height: 20px;  }
.app-icon-sm { width: 28px;  height: 28px;  }
.app-icon-md { width: 36px;  height: 36px;  }
.app-icon-lg { width: 64px;  height: 64px;  }
.app-icon-xl { width: 104px; height: 104px; }

.app-icon-halo {
    display: inline-flex;
    padding: 18px;
    border-radius: var(--radius-xl);
    background: var(--accent-soft);
    box-shadow: var(--shadow-glow);
}

.brand-lockup       { display: inline-flex; align-items: center; gap: 12px; }
.brand-lockup-name  { font: 600 18px inherit; letter-spacing: -0.015em; color: var(--text-primary); }

/* ───────── Component: Date / time fields ───────── */
input[type="date"],
input[type="time"],
input[type="datetime-local"] {
    min-width: 160px;
    font-variant-numeric: tabular-nums;
    color-scheme: light;
}
[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="time"],
[data-theme="dark"] input[type="datetime-local"] {
    color-scheme: dark;
}
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.55;
    transition: opacity 0.12s ease;
}
input[type="date"]:hover::-webkit-calendar-picker-indicator,
input[type="time"]:hover::-webkit-calendar-picker-indicator,
input[type="datetime-local"]:hover::-webkit-calendar-picker-indicator { opacity: 0.85; }
[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator,
[data-theme="dark"] input[type="time"]::-webkit-calendar-picker-indicator,
[data-theme="dark"] input[type="datetime-local"]::-webkit-calendar-picker-indicator { filter: invert(1); }

.field-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ───────── Component: Custom date / time / datetime picker ───────── */
.date-field { position: relative; display: inline-block; min-width: 220px; }

.date-field-trigger {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font: 400 14px 'Inter', system-ui, sans-serif;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.date-field-trigger:hover                 { border-color: var(--text-secondary); }
.date-field.open .date-field-trigger,
.date-field-trigger:focus-visible         {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
    outline: none;
}
.date-field-icon  { color: var(--text-muted); flex-shrink: 0; transition: color 0.15s ease; }
.date-field-value { flex: 1; font-variant-numeric: tabular-nums; }
.date-field-value.empty { color: var(--text-muted); }
.date-field.open .date-field-icon { color: var(--accent); }

.date-picker {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 30;
    width: 280px;
    padding: 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12),
                0 2px 6px  rgba(0, 0, 0, 0.06);
    animation: date-picker-in 0.14s ease-out;
}
@keyframes date-picker-in {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0);    }
}
.date-field:not(.open) .date-picker,
.date-field:not(.open) .time-picker,
.date-field:not(.open) .date-picker-backdrop { display: none; }

.date-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2px 2px 10px;
}
.date-picker-title {
    font: 600 14px inherit;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}
.date-picker-nav {
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.date-picker-nav:hover { background: var(--accent-soft); color: var(--accent); }

.date-picker-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    padding-bottom: 6px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--border-subtle);
}
.date-picker-weekdays span {
    text-align: center;
    font: 500 10.5px inherit;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 0;
}

.date-picker-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}
.date-picker-day {
    aspect-ratio: 1;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font: 500 13px inherit;
    font-variant-numeric: tabular-nums;
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.date-picker-day:hover           { background: var(--accent-soft); color: var(--accent); }
.date-picker-day.outside         { color: var(--text-muted); opacity: 0.55; }
.date-picker-day.today           { border-color: var(--accent); }
.date-picker-day.selected,
.date-picker-day.selected:hover  { background: var(--accent); color: #ffffff; border-color: var(--accent); }

.date-picker-footer {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-subtle);
}
.date-picker-action {
    background: transparent;
    border: none;
    color: var(--accent);
    font: 600 12.5px inherit;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 4px;
    transition: background-color 0.12s ease;
}
.date-picker-action:hover { background: var(--accent-soft); }

.date-picker-backdrop {
    position: fixed;
    inset: 0;
    z-index: 20;
    background: transparent;
}

/* Time picker */
.time-picker {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 30;
    width: 200px;
    padding: 14px 14px 10px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12),
                0 2px 6px  rgba(0, 0, 0, 0.06);
    animation: date-picker-in 0.14s ease-out;
}
.time-picker-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 4px 0 12px;
}
.time-picker-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}
.time-picker-step {
    width: 36px;
    height: 24px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.12s ease, color 0.12s ease;
}
.time-picker-step:hover { background: var(--accent-soft); color: var(--accent); }
.time-picker-value {
    font: 600 22px 'JetBrains Mono', 'Fira Code', monospace;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    min-width: 36px;
    text-align: center;
    line-height: 1.1;
}
.time-picker-sep {
    font: 600 22px 'JetBrains Mono', 'Fira Code', monospace;
    color: var(--text-muted);
    line-height: 1.1;
    padding-bottom: 2px;
}

/* Datetime: time row inside the date picker */
.date-picker-time {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-subtle);
}
.date-picker-time-label {
    font: 500 11px inherit;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.date-picker-time .time-picker-row {
    padding: 0;
    gap: 10px;
}
.date-picker-time .time-picker-value { font-size: 17px; min-width: 28px; }
.date-picker-time .time-picker-sep   { font-size: 17px; }
.date-picker-time .time-picker-step  { width: 28px; height: 20px; }

/* ───────── Component: Number, stepper, currency, up/down ───────── */
input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
    font-variant-numeric: tabular-nums;
    text-align: right;
}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.stepper {
    display: inline-flex;
    align-items: stretch;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    width: 140px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.stepper:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.stepper-btn {
    width: 34px;
    flex-shrink: 0;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.12s ease, color 0.12s ease;
}
.stepper-btn:hover    { background: var(--bg-glass-hover); color: var(--accent); }
.stepper-btn:active   { background: var(--accent-soft); }
.stepper-btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.stepper-value {
    flex: 1;
    min-width: 0;
    border: none;
    border-left: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-primary);
    font: 500 14px 'Inter', system-ui, sans-serif;
    font-variant-numeric: tabular-nums;
    text-align: center;
    padding: 8px 4px;
}
.stepper-value:focus { outline: none; }

.input-group {
    display: inline-flex;
    align-items: stretch;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    width: 100%;
}
.input-group:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.input-group .input {
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none !important;
    flex: 1;
    text-align: right;
    font-variant-numeric: tabular-nums;
}
.input-group .input:focus { outline: none; }
.input-prefix,
.input-suffix {
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font: 500 13px 'Inter', system-ui, sans-serif;
    letter-spacing: 0.02em;
}
.input-prefix { border-right: 1px solid var(--border-subtle); }
.input-suffix { border-left:  1px solid var(--border-subtle); }

.updown {
    display: inline-flex;
    flex-direction: column;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    width: 22px;
}
.updown-btn {
    flex: 1;
    height: 16px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.12s ease, color 0.12s ease;
}
.updown-btn + .updown-btn { border-top: 1px solid var(--border-subtle); }
.updown-btn:hover  { background: var(--bg-glass-hover); color: var(--accent); }
.updown-btn:active { background: var(--accent-soft); }

/* ───────── Component: Wizard / stepper progress ───────── */
.wizard {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: flex-start;
    gap: 0;
    width: 100%;
}
.wizard-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    color: var(--text-muted);
    font: 500 12.5px 'Inter', system-ui, sans-serif;
    text-align: center;
}
.wizard-step + .wizard-step::before {
    content: "";
    position: absolute;
    top: 13px;
    left: -50%;
    width: 100%;
    height: 2px;
    background: var(--border);
    z-index: 0;
    transition: background-color 0.2s ease;
}
.wizard-step.done + .wizard-step::before,
.wizard-step.active::before { background: var(--accent); }

.wizard-marker {
    position: relative;
    z-index: 1;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border: 2px solid var(--border);
    color: var(--text-muted);
    font: 600 12px inherit;
    transition: var(--transition);
}
.wizard-step.done   .wizard-marker { background: var(--accent); border-color: var(--accent); color: #ffffff; }
.wizard-step.active .wizard-marker {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}
.wizard-step.done   { color: var(--text-secondary); }
.wizard-step.active { color: var(--accent); font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ─────────────────────────────────────────────────────────────
   Accessibility additions
   ───────────────────────────────────────────────────────────── */

/* Screen-reader-only utility (visible to AT, hidden visually). Add
   .focusable if the element must reveal itself when focused. */
.sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Keyboard focus ring for every button variant. Inputs, checkboxes,
   radios, toggles, dropzone and date triggers already define their own;
   buttons previously had none. */
.btn:focus-visible,
.btn-chip:focus-visible,
.btn-icon:focus-visible,
.tab-btn:focus-visible,
.modal-tab-top:focus-visible,
.modal-tab-side:focus-visible,
.pagination-btn:focus-visible,
.list-card:focus-visible,
.custom-dropdown-trigger:focus-visible,
.split-button-main:focus-visible,
.split-button-caret:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-soft);
}
/* Filled primary button: offset the ring so it reads against the fill. */
.btn-primary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 5px var(--accent);
}

/* Listbox (custom dropdown) — active option via roving aria-activedescendant. */
.custom-dropdown-item.active,
.custom-dropdown-item:focus-visible {
    outline: none;
    background: var(--accent-soft);
    color: var(--accent);
}

/* Tree — roving focus. Only the row with tabindex=0 / :focus shows a ring. */
.tree-row:focus-visible {
    outline: none;
    box-shadow: inset 0 0 0 2px var(--accent);
    border-radius: var(--radius-sm);
}

/* Interactive table rows (opt-in via .table-interactive). Rows become a
   real keyboard target; hover-tint alone is mouse-only and was a trap. */
.table-interactive tbody tr { cursor: pointer; }
.table-interactive tbody tr:focus-visible {
    outline: none;
    box-shadow: inset 0 0 0 2px var(--accent);
}
.table-interactive tbody tr[aria-selected="true"] { background: var(--accent-soft); }

/* Wizard step state must not rely on colour alone — expose a text status. */
.wizard-step .wizard-state { /* visually-hidden, surfaced to AT */
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* Windows High Contrast / forced-colors: box-shadow rings are ignored by
   the OS, so restore a real outline on every interactive element. */
@media (forced-colors: active) {
    .btn, .btn-primary, .btn-secondary, .btn-chip, .btn-icon,
    .tab-btn, .modal-tab-top, .modal-tab-side, .pagination-btn,
    .list-card, .custom-dropdown-trigger, .custom-dropdown-item,
    .split-button-main, .split-button-caret,
    .input, .textarea, .dropzone, .date-field-trigger,
    .tree-row, .table-interactive tbody tr {
        outline: 1px solid transparent;            /* reserves the ring slot */
    }
    .btn:focus-visible, .btn-primary:focus-visible, .btn-secondary:focus-visible,
    .btn-chip:focus-visible, .btn-icon:focus-visible, .tab-btn:focus-visible,
    .modal-tab-top:focus-visible, .modal-tab-side:focus-visible,
    .pagination-btn:focus-visible, .list-card:focus-visible,
    .custom-dropdown-trigger:focus-visible, .custom-dropdown-item.active,
    .custom-dropdown-item:focus-visible, .split-button-main:focus-visible,
    .split-button-caret:focus-visible, .input:focus, .textarea:focus,
    .dropzone:focus-visible, .date-field-trigger:focus-visible,
    .tree-row:focus-visible, .table-interactive tbody tr:focus-visible {
        outline: 2px solid Highlight;
        outline-offset: 2px;
    }
    /* Selected / active states need a non-colour cue too. */
    .modal-tab-top.active, .modal-tab-side.active, .tab-btn.active,
    .custom-dropdown-item.selected, .tree-node.selected > .tree-row,
    .pagination-btn.active, .table-interactive tbody tr[aria-selected="true"] {
        outline: 1px solid Highlight;
    }
    .blur-on-scroll, .group-nav { backdrop-filter: none; }
}