/* =============================================================
   LLDS dark theme — CSS custom properties allow accent changes
   ============================================================= */
:root {
    --bg:        #07090D;
    --sidebar:   #0B0D12;
    --card:      #0D1016;
    --elev:      #11141C;
    --border:    #252936;
    --border-mut:#1B1F2A;
    --purple:    #6D38FF;   /* overridable accent */
    --purple2:   #8C4DFF;
    --cyan:      #12DCC4;
    --amber:     #FFAD32;
    --blue:      #268CFF;
    --pink:      #E052A0;
    --text:      #F7F7FB;
    --text2:     #A0A5B2;
    --muted:     #737988;
    --danger:    #F45B69;
    --success:   #20C997;
}

html { color-scheme: dark; }
body {
    background:
        radial-gradient(1000px 500px at 85% -10%, rgba(109, 56, 255, .10) 0%, transparent 60%),
        radial-gradient(800px 500px at -10% 110%, rgba(18, 220, 196, .05) 0%, transparent 55%),
        var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(140, 77, 255, .4); }

/* ---- Cards ---------------------------------------------------- */
.card {
    background: linear-gradient(180deg, var(--elev) 0%, var(--card) 100%);
    border: 1px solid var(--border-mut);
    border-radius: 1.1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
}
.card-inner {
    background: var(--elev);
    border: 1px solid var(--border-mut);
    border-radius: .8rem;
}
.card:hover { border-color: var(--border); }

/* ---- Sidebar -------------------------------------------------- */
.sidebar {
    background: var(--sidebar);
    border-right: 1px solid var(--border-mut);
}
.nav-link {
    display: flex; align-items: center; gap: .75rem;
    padding: .625rem .875rem; border-radius: .75rem;
    color: var(--text2); font-size: .875rem; min-height: 44px;
    transition: background .15s, color .15s;
}
.nav-link:hover { background: rgba(255,255,255,.04); color: var(--text); }
.nav-link.active {
    background: linear-gradient(135deg, var(--purple), var(--purple2));
    color: #fff; font-weight: 600;
    box-shadow: 0 6px 18px rgba(109,56,255,.35);
}
.nav-link svg { flex-shrink: 0; }

/* Medium screens: icon rail that expands on hover */
@media (min-width: 768px) and (max-width: 1100px) {
    .sidebar { width: 4.5rem; transition: width .2s ease; overflow: hidden; }
    .sidebar:hover, .sidebar:focus-within { width: 15rem; z-index: 60; }
    .sidebar .nav-label, .sidebar .brand-text { opacity: 0; transition: opacity .15s; white-space: nowrap; }
    .sidebar:hover .nav-label, .sidebar:hover .brand-text,
    .sidebar:focus-within .nav-label, .sidebar:focus-within .brand-text { opacity: 1; }
    .main-with-sidebar { margin-left: 4.5rem; }
}
@media (min-width: 1101px) { .main-with-sidebar { margin-left: 15rem; } .sidebar { width: 15rem; } }
@media (max-width: 767px) {
    .sidebar { position: fixed; inset: 0 auto 0 0; width: 16rem; z-index: 70;
               transform: translateX(-100%); transition: transform .25s ease; }
    .sidebar.open { transform: translateX(0); box-shadow: 0 0 0 100vmax rgba(0,0,0,.55); }
    .main-with-sidebar { margin-left: 0; }
}

/* ---- Buttons -------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    min-height: 44px; padding: .6rem 1.2rem; border-radius: .8rem;
    font-size: .875rem; font-weight: 600; cursor: pointer;
    border: 1px solid transparent; transition: filter .15s, background .15s;
}
.btn-primary { background: linear-gradient(135deg, var(--purple), var(--purple2)); color: #fff; }
.btn-primary:hover { filter: brightness(1.12); }
.btn-outline { border-color: var(--border); color: var(--text2); background: transparent; }
.btn-outline:hover { color: var(--text); border-color: var(--purple2); }
.btn-ghost { color: var(--text2); background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,.05); color: var(--text); }
.btn-danger { background: rgba(244,91,105,.14); color: var(--danger); border-color: rgba(244,91,105,.4); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, [tabindex]:focus-visible {
    outline: 2px solid var(--purple2); outline-offset: 2px;
}

/* ---- Forms ---------------------------------------------------- */
.input, select.input, textarea.input {
    width: 100%; background: var(--elev); border: 1px solid var(--border);
    border-radius: .7rem; padding: .65rem .9rem; color: var(--text);
    font-size: .9rem; min-height: 44px;
}
.input::placeholder { color: var(--muted); }
.input:focus { outline: 2px solid var(--purple); border-color: transparent; }
label.form-label { display: block; font-size: .8rem; color: var(--text2); margin-bottom: .35rem; }

/* ---- Badges & tags -------------------------------------------- */
.tag {
    display: inline-flex; align-items: center; gap: .3rem;
    padding: .18rem .6rem; border-radius: 999px; font-size: .72rem; font-weight: 600;
    border: 1px solid; background: transparent;
}
.tag-purple { color: #b795ff; border-color: rgba(140,77,255,.5); background: rgba(109,56,255,.12); }
.tag-cyan   { color: var(--cyan); border-color: rgba(18,220,196,.45); background: rgba(18,220,196,.08); }
.tag-amber  { color: var(--amber); border-color: rgba(255,173,50,.45); background: rgba(255,173,50,.08); }
.tag-blue   { color: #6fb2ff; border-color: rgba(38,140,255,.5); background: rgba(38,140,255,.1); }
.tag-pink   { color: #ff8ac6; border-color: rgba(224,82,160,.5); background: rgba(224,82,160,.1); }
.tag-green  { color: var(--success); border-color: rgba(32,201,151,.45); background: rgba(32,201,151,.08); }
.tag-red    { color: var(--danger); border-color: rgba(244,91,105,.5); background: rgba(244,91,105,.1); }
.tag-grey   { color: var(--muted); border-color: var(--border); }

/* ---- Progress rings (SVG) ------------------------------------- */
.ring { transform: rotate(-90deg); }
.ring .track { stroke: var(--border-mut); }
.ring .value { transition: stroke-dashoffset .6s ease; }

/* ---- Progress bars -------------------------------------------- */
.bar { height: .5rem; border-radius: 999px; background: var(--border-mut); overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: 999px;
    background: linear-gradient(90deg, var(--purple), var(--purple2)); }
.bar.cyan > span  { background: linear-gradient(90deg, #0aa08e, var(--cyan)); }
.bar.amber > span { background: linear-gradient(90deg, #d98a17, var(--amber)); }

/* ---- Tables --------------------------------------------------- */
.table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.table th { text-align: left; color: var(--muted); font-weight: 600; font-size: .75rem;
    text-transform: uppercase; letter-spacing: .04em; padding: .6rem .9rem;
    border-bottom: 1px solid var(--border-mut); }
.table td { padding: .7rem .9rem; border-bottom: 1px solid var(--border-mut); color: var(--text2); }
.table tr:hover td { background: rgba(255,255,255,.02); }
.table td:first-child, .table th:first-child { padding-left: 1.25rem; }
.table-wrap { overflow-x: auto; }

/* ---- Toggle buttons (daily log) ------------------------------- */
.toggle-btn {
    min-height: 52px; border-radius: .9rem; border: 1px solid var(--border);
    background: var(--elev); color: var(--text2); font-weight: 600; font-size: .9rem;
    display: flex; align-items: center; justify-content: center; gap: .5rem;
    cursor: pointer; transition: all .15s; width: 100%;
}
.toggle-btn[aria-pressed="true"] {
    background: rgba(32,201,151,.14); border-color: var(--success); color: var(--success);
}
.stepper { display: flex; align-items: center; gap: .5rem; }
.stepper button {
    width: 48px; height: 48px; border-radius: .8rem; border: 1px solid var(--border);
    background: var(--elev); color: var(--text); font-size: 1.3rem; cursor: pointer;
}
.stepper button:hover { border-color: var(--purple2); }
.stepper input {
    width: 5.5rem; text-align: center; font-size: 1.15rem; font-weight: 700;
    background: transparent; border: none; color: var(--text);
}

/* ---- Flash messages ------------------------------------------- */
.flash { border-radius: .8rem; padding: .8rem 1.1rem; font-size: .875rem; margin-bottom: .75rem;
    display: flex; gap: .6rem; align-items: flex-start; }
.flash-success { background: rgba(32,201,151,.12); border: 1px solid rgba(32,201,151,.4); color: #7fe6c8; }
.flash-error   { background: rgba(244,91,105,.12); border: 1px solid rgba(244,91,105,.4); color: #ffb3bc; }
.flash-info    { background: rgba(38,140,255,.12); border: 1px solid rgba(38,140,255,.4); color: #9ecbff; }

/* ---- Misc ----------------------------------------------------- */
.divider { border-top: 1px solid var(--border-mut); }
.scroll-thin::-webkit-scrollbar { height: 6px; width: 6px; }
.scroll-thin::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.text-gradient {
    background: linear-gradient(90deg, var(--purple2), var(--cyan));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.heat-cell { width: 100%; aspect-ratio: 1; border-radius: 4px; background: var(--border-mut); }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Print-friendly (reports, certificates) */
@media print {
    body { background: #fff; color: #000; }
    .sidebar, .topbar, .no-print { display: none !important; }
    .main-with-sidebar { margin-left: 0 !important; }
    .card { border: 1px solid #ccc; box-shadow: none; background: #fff; color: #000; }
}

/* =============================================================
   Per-user semantic appearance system
   Legacy variables are aliases so existing authenticated pages inherit
   the selected theme without duplicated light/dark templates.
   ============================================================= */
[data-theme="light"] {
    color-scheme: light;
    --page-bg: #f7f8fb;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --card-bg-elevated: #ffffff;
    --input-bg: #ffffff;
    --text-primary: #111318;
    --text-secondary: #626978;
    --text-muted: #7a8190;
    --border-primary: #d9dde6;
    --border-subtle: #e9ecf2;
    --shadow-card: 0 12px 30px rgba(18, 24, 40, .07);
    --chart-grid: rgba(98, 105, 120, .18);
    --chart-label: #626978;
    --chart-tooltip-bg: #111318;
    --chart-tooltip-text: #ffffff;
    --surface-hover: rgba(17, 19, 24, .045);
}

[data-theme="dark"] {
    color-scheme: dark;
    --page-bg: #07090d;
    --sidebar-bg: #0b0d12;
    --card-bg: #0d1016;
    --card-bg-elevated: #11141c;
    --input-bg: #11141c;
    --text-primary: #f7f7fb;
    --text-secondary: #a0a5b2;
    --text-muted: #737988;
    --border-primary: #252936;
    --border-subtle: #1b1f2a;
    --shadow-card: 0 16px 40px rgba(0, 0, 0, .28);
    --chart-grid: rgba(115, 121, 136, .20);
    --chart-label: #a0a5b2;
    --chart-tooltip-bg: #11141c;
    --chart-tooltip-text: #f7f7fb;
    --surface-hover: rgba(255, 255, 255, .05);
}

[data-theme] {
    --bg: var(--page-bg);
    --sidebar: var(--sidebar-bg);
    --card: var(--card-bg);
    --elev: var(--card-bg-elevated);
    --border: var(--border-primary);
    --border-mut: var(--border-subtle);
    --text: var(--text-primary);
    --text2: var(--text-secondary);
    --muted: var(--text-muted);
    --purple: var(--accent-primary);
    --purple2: var(--accent-gradient-end);
}

[data-accent="violet"] {
    --accent-primary: #6d38ff; --accent-hover: #5b2de2; --accent-active: #4820c2;
    --accent-soft: rgba(109, 56, 255, .11); --accent-muted: rgba(109, 56, 255, .19);
    --accent-border: rgba(109, 56, 255, .42); --accent-text: #8c63ff; --accent-contrast: #ffffff;
    --accent-focus: rgba(109, 56, 255, .48); --accent-gradient-start: #6d38ff; --accent-gradient-end: #8c4dff;
}
[data-theme="dark"][data-accent="violet"] { --accent-text: #b69cff; }
[data-accent="blue"] {
    --accent-primary: #1d4ed8; --accent-hover: #1e40af; --accent-active: #1e3a8a;
    --accent-soft: rgba(37, 99, 235, .10); --accent-muted: rgba(37, 99, 235, .18);
    --accent-border: rgba(37, 99, 235, .40); --accent-text: #2563eb; --accent-contrast: #ffffff;
    --accent-focus: rgba(37, 99, 235, .45); --accent-gradient-start: #1d4ed8; --accent-gradient-end: #3b82f6;
}
[data-theme="dark"][data-accent="blue"] { --accent-text: #60a5fa; }
[data-accent="red"] {
    --accent-primary: #b91c1c; --accent-hover: #991b1b; --accent-active: #7f1d1d;
    --accent-soft: rgba(220, 38, 38, .10); --accent-muted: rgba(220, 38, 38, .18);
    --accent-border: rgba(220, 38, 38, .40); --accent-text: #dc2626; --accent-contrast: #ffffff;
    --accent-focus: rgba(220, 38, 38, .45); --accent-gradient-start: #b91c1c; --accent-gradient-end: #ef4444;
}
[data-theme="dark"][data-accent="red"] { --accent-text: #f87171; }
[data-accent="pink"] {
    --accent-primary: #be185d; --accent-hover: #9d174d; --accent-active: #831843;
    --accent-soft: rgba(219, 39, 119, .10); --accent-muted: rgba(219, 39, 119, .18);
    --accent-border: rgba(219, 39, 119, .40); --accent-text: #db2777; --accent-contrast: #ffffff;
    --accent-focus: rgba(219, 39, 119, .45); --accent-gradient-start: #be185d; --accent-gradient-end: #ec4899;
}
[data-theme="dark"][data-accent="pink"] { --accent-text: #f472b6; }
[data-accent="orange"] {
    --accent-primary: #c2410c; --accent-hover: #9a3412; --accent-active: #7c2d12;
    --accent-soft: rgba(234, 88, 12, .10); --accent-muted: rgba(234, 88, 12, .18);
    --accent-border: rgba(234, 88, 12, .42); --accent-text: #c2410c; --accent-contrast: #ffffff;
    --accent-focus: rgba(234, 88, 12, .45); --accent-gradient-start: #c2410c; --accent-gradient-end: #f97316;
}
[data-theme="dark"][data-accent="orange"] { --accent-text: #fb923c; }
[data-accent="green"] {
    --accent-primary: #15803d; --accent-hover: #166534; --accent-active: #14532d;
    --accent-soft: rgba(22, 163, 74, .10); --accent-muted: rgba(22, 163, 74, .18);
    --accent-border: rgba(22, 163, 74, .40); --accent-text: #15803d; --accent-contrast: #ffffff;
    --accent-focus: rgba(22, 163, 74, .45); --accent-gradient-start: #15803d; --accent-gradient-end: #22c55e;
}
[data-theme="dark"][data-accent="green"] { --accent-text: #4ade80; }
[data-theme="dark"][data-accent="white"] {
    --accent-primary: #ffffff; --accent-hover: #e8e8ec; --accent-active: #d6d6dc;
    --accent-soft: rgba(255, 255, 255, .10); --accent-muted: rgba(255, 255, 255, .18);
    --accent-border: rgba(255, 255, 255, .32); --accent-text: #ffffff; --accent-contrast: #090a0d;
    --accent-focus: rgba(255, 255, 255, .58); --accent-gradient-start: #ffffff; --accent-gradient-end: #d6d6dc;
}
[data-theme="light"][data-accent="black"] {
    --accent-primary: #111111; --accent-hover: #292929; --accent-active: #000000;
    --accent-soft: rgba(17, 17, 17, .07); --accent-muted: rgba(17, 17, 17, .14);
    --accent-border: rgba(17, 17, 17, .28); --accent-text: #111111; --accent-contrast: #ffffff;
    --accent-focus: rgba(17, 17, 17, .45); --accent-gradient-start: #111111; --accent-gradient-end: #3a3a3a;
}

[data-theme] body {
    background: radial-gradient(900px 480px at 85% -10%, var(--accent-soft) 0%, transparent 62%), var(--page-bg);
    color: var(--text-primary);
}
[data-theme] ::selection { background: var(--accent-muted); }
[data-theme] .card { background: linear-gradient(180deg, var(--card-bg-elevated), var(--card-bg)); border-color: var(--border-subtle); box-shadow: var(--shadow-card); }
[data-theme] .card-inner { background: var(--card-bg-elevated); border-color: var(--border-subtle); }
[data-theme] .sidebar { background: var(--sidebar-bg); border-color: var(--border-subtle); }
.topbar { background: var(--page-bg); background: color-mix(in srgb, var(--page-bg) 84%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-subtle); }
.nav-link:hover, .btn-ghost:hover { background: var(--surface-hover); color: var(--text-primary); }
.nav-link.active, .nav-item-active { background: var(--accent-soft); color: var(--accent-text); box-shadow: inset 0 0 0 1px var(--accent-border); }
.nav-link.active { font-weight: 650; }
.btn-primary { background: var(--accent-primary); color: var(--accent-contrast); box-shadow: 0 6px 18px var(--accent-soft); }
.btn-primary:hover { background: var(--accent-hover); filter: none; }
.btn-secondary { border-color: var(--accent-border); color: var(--accent-text); background: var(--accent-soft); }
.btn-secondary:hover { background: var(--accent-muted); }
.btn-outline:hover { border-color: var(--accent-border); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent-focus); outline-offset: 3px; }
.input, select.input, textarea.input { background: var(--input-bg); border-color: var(--border-primary); color: var(--text-primary); }
.input:focus { outline: 3px solid var(--accent-focus); border-color: var(--accent-primary); }
.theme-checkbox, input[type="radio"] { accent-color: var(--accent-primary); }
.link-accent, .icon-accent { color: var(--accent-text); }
.focus-accent { --tw-ring-color: var(--accent-primary); }
.link-accent:hover { text-decoration: underline; text-underline-offset: .2em; }
.badge-accent { color: var(--accent-text); border-color: var(--accent-border); background: var(--accent-soft); }
.progress-accent > span, .bar > span { background: linear-gradient(90deg, var(--accent-gradient-start), var(--accent-gradient-end)); }
.ring-accent, .ring .value { stroke: var(--accent-primary); }
.notification-accent { min-width: 1.5rem; height: 1.5rem; padding: 0 .35rem; border-radius: 999px; display: inline-grid; place-items: center; background: var(--accent-primary); color: var(--accent-contrast); font-size: .7rem; font-weight: 700; }
.text-secondary { color: var(--text-secondary); }
.table tr:hover td { background: var(--surface-hover); }
.stepper button:hover { border-color: var(--accent-border); }

[data-theme="light"] .flash-success { color: #12613f; }
[data-theme="light"] .flash-error { color: #9f1239; }
[data-theme="light"] .flash-info { color: #1e40af; }

/* Quick appearance popover */
[data-theme="light"] [data-theme-icon-dark], [data-theme="dark"] [data-theme-icon-light] { display: none; }
.theme-popover { position: absolute; right: 0; top: calc(100% + .65rem); width: min(22rem, calc(100vw - 2rem)); padding: 1rem; border: 1px solid var(--border-primary); border-radius: 1rem; background: var(--card-bg-elevated); box-shadow: var(--shadow-card); z-index: 90; }
.theme-mode-button { min-height: 44px; display: flex; align-items: center; justify-content: center; gap: .45rem; border: 1px solid var(--border-primary); border-radius: .75rem; color: var(--text-secondary); background: var(--card-bg); font-size: .85rem; font-weight: 650; }
.theme-mode-button[aria-pressed="true"] { border-color: var(--accent-border); color: var(--accent-text); background: var(--accent-soft); }
.theme-selected-mark { display: none; }
[aria-pressed="true"] > .theme-selected-mark { display: inline; }
.theme-quick-swatches { display: grid; grid-template-columns: repeat(5, minmax(44px, 1fr)); gap: .5rem; }
.theme-quick-swatch { position: relative; min-width: 44px; min-height: 44px; border: 1px solid var(--border-primary); border-radius: .7rem; display: grid; place-items: center; background: var(--card-bg); }
.theme-quick-swatch[aria-pressed="true"] { border-color: var(--accent-primary); box-shadow: 0 0 0 2px var(--accent-focus); }
.theme-quick-swatch .theme-selected-mark { position: absolute; right: 2px; bottom: 0; width: 1rem; height: 1rem; border-radius: 50%; background: var(--card-bg); color: var(--accent-text); font-size: .7rem; }
.theme-quick-swatch:disabled { opacity: .35; cursor: not-allowed; }
.theme-color-dot { width: 1.35rem; height: 1.35rem; border-radius: 50%; border: 1px solid rgba(120, 125, 135, .45); box-shadow: 0 0 0 2px var(--card-bg); }
.theme-color-default { background: linear-gradient(135deg, #111 0 48%, #fff 52% 100%); }
.theme-color-violet { background: #6d38ff; }.theme-color-blue { background: #2563eb; }.theme-color-red { background: #dc2626; }
.theme-color-pink { background: #db2777; }.theme-color-orange { background: #ea580c; }.theme-color-green { background: #16a34a; }
.theme-color-white { background: #fff; }.theme-color-black { background: #111; }

/* Full Appearance settings */
.theme-mode-card, .theme-swatch-card { position: relative; display: block; min-height: 44px; border: 1px solid var(--border-primary); border-radius: .9rem; background: var(--card-bg); cursor: pointer; transition: border-color .15s, background .15s; }
.theme-mode-card { padding: 1rem; }
.theme-swatch-card { padding: .8rem; display: flex; align-items: center; gap: .75rem; }
.theme-mode-card:has(input:checked), .theme-swatch-card:has(input:checked) { border-color: var(--accent-border); background: var(--accent-soft); box-shadow: 0 0 0 2px var(--accent-focus); }
.theme-mode-card:focus-within, .theme-swatch-card:focus-within { outline: 3px solid var(--accent-focus); outline-offset: 3px; }
.theme-radio-check { width: 1.35rem; height: 1.35rem; border-radius: 50%; border: 1px solid var(--border-primary); display: grid; place-items: center; color: transparent; font-size: .75rem; }
label:has(input:checked) > .theme-radio-check, label:has(input:checked) .theme-radio-check { color: var(--accent-contrast); background: var(--accent-primary); border-color: var(--accent-primary); }
.theme-swatch-card.is-unavailable { opacity: .48; cursor: not-allowed; }
.theme-mini-preview { display: grid; grid-template-columns: 23% 1fr; min-height: 8rem; border: 1px solid var(--border-primary); border-radius: .65rem; overflow: hidden; }
.theme-mini-light { background: #f7f8fb; }.theme-mini-dark { background: #07090d; }
.theme-mini-sidebar { background: #0b0d12; }.theme-mini-light .theme-mini-sidebar { background: #fff; border-right: 1px solid #e1e4eb; }
.theme-mini-main { padding: .55rem; display: flex; flex-direction: column; gap: .5rem; }
.theme-mini-header { height: .65rem; border-radius: 99px; background: var(--accent-muted); }
.theme-mini-cards { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; }.theme-mini-cards i { height: 2.7rem; border-radius: .35rem; background: #11141c; border: 1px solid #252936; }.theme-mini-light .theme-mini-cards i { background: #fff; border-color: #e1e4eb; }
.theme-mini-progress { height: .35rem; border-radius: 99px; background: var(--accent-muted); overflow: hidden; }.theme-mini-progress i { display: block; width: 70%; height: 100%; background: var(--accent-primary); }
.theme-mini-button { width: 3.6rem; height: 1rem; border-radius: .3rem; background: var(--accent-primary); }
.theme-component-preview { display: grid; grid-template-columns: minmax(9rem, 23%) 1fr; border: 1px solid var(--border-primary); border-radius: 1rem; overflow: hidden; background: var(--card-bg); }
.theme-preview-nav { padding: 1rem; background: var(--sidebar-bg); border-right: 1px solid var(--border-subtle); display: flex; flex-direction: column; gap: .5rem; font-size: .78rem; color: var(--text-secondary); }
.theme-preview-nav span { padding: .55rem; display: flex; align-items: center; gap: .45rem; border-radius: .55rem; }
.theme-preview-content { padding: 1.25rem; display: grid; gap: 1.1rem; }

@media (max-width: 640px) {
    .topbar:has(#theme-popover:not(.hidden)) { backdrop-filter: none; }
    .theme-popover { position: fixed; left: .75rem; right: .75rem; top: auto; bottom: .75rem; width: auto; max-height: calc(100dvh - 1.5rem); overflow-y: auto; border-radius: 1.1rem; }
    .theme-component-preview { grid-template-columns: 1fr; }
    .theme-preview-nav { border-right: 0; border-bottom: 1px solid var(--border-subtle); flex-direction: row; overflow-x: auto; }
}