/* =========================================================
   TriviaWise / Cartographer's Instrument
   Deep Sonar visual system
   ========================================================= */

:root {
    --ink: #010b13;
    --ink-soft: #07151d;
    --panel: #0d1a22;
    --panel-raised: #13232b;
    --iron: #414a4c;
    --iron-soft: #718083;
    --mist: #d9e3e5;
    --muted: #96a8ad;
    --clay: #e1a95f;
    --clay-soft: #f1c782;
    --sea: #39a78d;
    --sea-soft: #83d1bb;
    --alert: #c86b5e;
    --alert-soft: #efb0a5;
    /* Compatibility aliases consumed by the existing game logic. */
    --correct: var(--sea);
    --incorrect: var(--alert);
    --warning: var(--clay);
    --accent: var(--clay);
    --line: rgba(217, 227, 229, .17);
    --line-strong: rgba(225, 169, 95, .64);
    --line-subtle: rgba(217, 227, 229, .1);
    --surface-hover: rgba(19, 35, 43, .78);
    --overlay: rgba(1, 11, 19, .94);
    --sans: "Fredoka", "Segoe UI", Arial, sans-serif;
    --mono: "Fredoka", "Courier New", monospace;
    --border-instrument: 1px solid var(--line);
    --inset-highlight: inset 0 1px 0 rgba(255, 255, 255, .07);
    --content-width: 1160px;
    --gutter: clamp(16px, 4vw, 34px);
    --space-1: 6px;
    --space-2: 10px;
    --space-3: 14px;
    --space-4: 18px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 64px;
    --result-progress: 0%;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--ink);
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    background: var(--ink);
    color: var(--mist);
    font-family: var(--sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body:has(.overlay:not(.hidden)) {
    overflow: hidden;
}

body.category-neutral,
body[class*="category-"] {
    --route-accent: var(--clay);
}

button,
input,
select,
textarea,
a {
    font: inherit;
    touch-action: manipulation;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible {
    outline: 2px solid var(--clay);
    outline-offset: 3px;
}

h1,
h2,
h3,
h4,
p {
    margin: 0;
}

h1,
h2,
h3,
h4,
.brand-name,
.eyebrow,
.daily-kicker,
.profile-label,
.profile-level,
.panel-kicker,
.reward-label,
.section-note,
.readout-title,
.readout-line,
.timer-meta,
.question-counter,
.score-label,
.question-difficulty-badge,
.lifeline-btn,
.admin-tab-btn,
.admin-table th,
.admin-difficulty,
.status-badge,
.auth-field label,
.auth-primary-btn,
.auth-guest-btn,
.auth-link-btn,
.toast,
.mono {
    font-family: var(--mono);
}

.mono {
    font-variant-numeric: tabular-nums;
}

.hidden {
    display: none !important;
}

.lucide-icon,
.ui-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    line-height: 1;
}

.screen {
    display: none;
    width: 100%;
    min-height: 100vh;
}

.screen.active {
    display: block;
}

.container {
    width: min(var(--content-width), calc(100% - (var(--gutter) * 2)));
    margin: 0 auto;
}

/* ---------------------------------------------------------
   Shared instrument surfaces and controls
   --------------------------------------------------------- */

.instrument-panel {
    min-width: 0;
    background: var(--panel);
    border: var(--border-instrument);
    border-radius: var(--radius-sm);
    box-shadow: var(--inset-highlight);
}

.panel-pad {
    padding: var(--space-5);
}

.action-btn {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 15px;
    border: 1px solid var(--clay);
    border-radius: var(--radius-sm);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}

.action-btn:active {
    transform: translateY(1px);
}

.action-btn.primary {
    background: var(--clay);
    color: var(--ink);
}

.action-btn.primary:hover {
    background: var(--clay-soft);
    border-color: var(--clay-soft);
}

.action-btn.secondary {
    background: transparent;
    border-color: var(--line);
    color: var(--clay-soft);
}

.action-btn.secondary:hover {
    background: rgba(225, 169, 95, .1);
    border-color: var(--clay);
    color: var(--mist);
}

.action-btn.danger {
    background: transparent;
    border-color: var(--alert);
    color: var(--alert-soft);
}

.action-btn.danger:hover {
    background: rgba(200, 107, 94, .12);
}

.eyebrow,
.daily-kicker,
.profile-label,
.reward-label {
    display: block;
    color: var(--clay);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .04em;
    line-height: 1.4;
    text-transform: none;
}

.panel-kicker {
    color: var(--muted);
    font-size: 10px;
    line-height: 1.4;
}

/* ---------------------------------------------------------
   Start surface: topbar, hero, bento board
   --------------------------------------------------------- */

.start-container {
    padding: 28px 0 72px;
}

.top-nav {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.brand-mark {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--mist);
    text-decoration: none;
}

.brand-mark-icon {
    width: 22px;
    height: 22px;
    color: var(--clay);
}

.brand-name {
    color: var(--mist);
    font-size: 16px;
    font-weight: 700;
}

.brand-tag {
    overflow: hidden;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-stats {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
}

.nav-stat {
    min-width: 60px;
    display: grid;
    grid-template-columns: 16px auto;
    grid-template-rows: auto auto;
    column-gap: 7px;
    align-items: center;
    white-space: nowrap;
}

.nav-stat .ui-icon {
    grid-row: 1 / span 2;
    width: 16px;
    height: 16px;
    color: var(--clay);
}

.nav-stat strong {
    color: var(--mist);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.1;
}

.nav-stat small {
    color: var(--muted);
    font-size: 9px;
    line-height: 1.1;
}

.nav-profile,
.mute-btn {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 7px 11px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 10px;
}

.nav-profile .ui-icon,
.mute-btn svg {
    width: 17px;
    height: 17px;
    color: var(--clay);
}

.nav-profile:hover,
.mute-btn:hover {
    border-color: var(--clay);
    color: var(--clay-soft);
}

.hero-panel {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    min-height: 310px;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
    gap: 38px;
    margin-top: 26px;
    padding: 42px 44px;
    border: 1px solid var(--line);
    border-top: 2px solid var(--clay);
    background: var(--ink-soft);
    box-shadow: var(--inset-highlight);
}

.hero-topographic,
.hero-topographic-mask {
    position: absolute;
    inset: 0 0 0 auto;
    pointer-events: none;
}

.hero-topographic {
    z-index: -2;
    width: 47%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: .2;
    mix-blend-mode: screen;
}

.hero-topographic-mask {
    z-index: -1;
    width: 100%;
    background: rgba(1, 11, 19, .76);
}

.hero-copy,
.hero-readout {
    position: relative;
    z-index: 1;
}

.hero-copy {
    max-width: 660px;
    text-align: left;
}

.game-title {
    max-width: 660px;
    margin-top: 18px;
    color: var(--mist);
    font-size: clamp(36px, 5.1vw, 68px);
    font-weight: 600;
    letter-spacing: -.065em;
    line-height: 1.04;
}

.game-title span {
    color: var(--clay-soft);
}

.tagline {
    max-width: 530px;
    margin-top: 20px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.hero-readout {
    align-self: end;
    justify-self: end;
    width: min(330px, 100%);
}

.readout-title {
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: 10px;
}

.readout-list {
    margin: 0;
}

.readout-line {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 11px 0;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: 11px;
}

.readout-line strong {
    color: var(--mist);
    font-weight: 500;
    text-align: right;
}

.readout-line strong.accent {
    color: var(--clay-soft);
}

.high-score-banner {
    display: none;
}

.play-board {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    grid-auto-rows: minmax(124px, auto);
    gap: 12px;
    margin-top: 18px;
}

.daily-panel {
    position: relative;
    overflow: hidden;
    grid-column: span 4;
    grid-row: span 2;
    border-top: 2px solid var(--clay);
}

.daily-panel::after {
    content: "01";
    position: absolute;
    right: 18px;
    bottom: 8px;
    color: rgba(225, 169, 95, .14);
    font-family: var(--mono);
    font-size: 56px;
    font-weight: 700;
    pointer-events: none;
}

.daily-panel h2 {
    max-width: 480px;
    margin-top: 14px;
    color: var(--mist);
    font-size: 31px;
    font-weight: 600;
    letter-spacing: -.04em;
    line-height: 1.14;
}

.daily-panel p {
    max-width: 470px;
    margin-top: 12px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.55;
}

.daily-panel .action-btn {
    position: relative;
    z-index: 1;
    margin-top: 26px;
}

.profile-panel {
    grid-column: span 2;
    grid-row: span 2;
}

.profile-head,
.player-progress-top,
.xp-row,
.profile-stats-mini {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.profile-head {
    align-items: flex-start;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.profile-head strong {
    display: block;
    margin-top: 7px;
    color: var(--mist);
    font-size: 21px;
    font-weight: 600;
}

.profile-level {
    color: var(--clay-soft);
    font-size: 12px;
    white-space: nowrap;
}

.profile-meta {
    margin-top: 21px;
    color: var(--muted);
    font-size: 10px;
}

.profile-meta strong {
    color: var(--mist);
    font-weight: 500;
}

.xp-track {
    height: 5px;
    overflow: hidden;
    margin-top: 10px;
    background: var(--ink-soft);
    border: 1px solid var(--line-subtle);
}

.xp-fill {
    display: block;
    width: 0;
    height: 100%;
    background: var(--clay);
    transition: width .35s ease;
}

.mini-readout {
    display: grid;
    gap: 10px;
    margin-top: 23px;
}

.mini-readout > span {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
}

.mini-readout .inline-stat {
    display: grid;
    grid-template-columns: 16px minmax(0, 1fr) auto;
}

.mini-readout .ui-icon {
    width: 15px;
    height: 15px;
    color: var(--clay);
}

.mini-readout strong {
    color: var(--mist);
    font-weight: 500;
}

.speed-panel {
    grid-column: span 2;
    border-left: 2px solid var(--clay);
}

.speed-round-btn {
    width: 100%;
    min-height: 150px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 7px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--mist);
    text-align: left;
}

.speed-round-btn:hover .panel-action,
.speed-round-btn:focus-visible .panel-action {
    color: var(--mist);
}

.speed-line {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--clay-soft);
    font-family: var(--mono);
    font-size: 11px;
}

.speed-icon {
    width: 18px;
    height: 18px;
    color: var(--clay);
}

.speed-text {
    margin-top: 6px;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 16px;
    font-weight: 600;
}

.speed-desc,
.panel-action {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
}

.panel-action {
    margin-top: auto;
    color: var(--clay-soft);
    font-family: var(--mono);
    font-size: 10px;
}

.feature-strip {
    display: contents;
}

.feature-card {
    min-width: 0;
    grid-column: span 2;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.feature-card-button {
    position: relative;
    width: 100%;
    border-left: 2px solid var(--sea);
    color: var(--mist);
    text-align: left;
}

.feature-card-button:hover {
    background: var(--surface-hover);
}

.feature-icon {
    width: 20px;
    height: 20px;
    color: var(--sea-soft);
}

.feature-copy {
    min-width: 0;
    display: grid;
    gap: 5px;
}

.feature-copy strong {
    color: var(--mist);
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 600;
}

.feature-copy > span:last-child {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
}

.feature-arrow {
    width: 16px;
    height: 16px;
    margin-left: auto;
    color: var(--clay-soft);
}

/* ---------------------------------------------------------
   Topic directory
   --------------------------------------------------------- */

.category-section {
    margin-top: 64px;
}

.section-heading-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}

.section-heading-row h2 {
    margin-top: 8px;
    color: var(--mist);
    font-size: 29px;
    font-weight: 600;
    letter-spacing: -.04em;
}

.section-note,
.directory-note {
    color: var(--muted);
    font-size: 10px;
}

.category-tools {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
    margin: 16px 0 18px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
}

.difficulty-picker {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
}

.question-difficulty-picker > span {
    margin-right: 2px;
}

.question-difficulty-btn,
.category-filter-btn,
.share-theme-btn {
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 9px;
    border: 1px solid var(--line);
    border-radius: 2px;
    background: transparent;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
    cursor: pointer;
}

.question-difficulty-btn:hover,
.question-difficulty-btn.active,
.category-filter-btn:hover,
.category-filter-btn.active,
.share-theme-btn:hover,
.share-theme-btn.active {
    border-color: var(--clay);
    color: var(--clay-soft);
}

.category-search {
    min-width: min(230px, 100%);
    min-height: 32px;
    display: flex;
    align-items: center;
    gap: 7px;
    margin-left: auto;
    padding: 6px 9px;
    border: 1px solid var(--line);
    color: var(--iron-soft);
}

.category-search:focus-within {
    border-color: var(--clay);
}

.category-search .ui-icon {
    width: 14px;
    height: 14px;
}

.category-search input {
    min-width: 0;
    width: 100%;
    padding: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 10px;
}

.category-search input::placeholder {
    color: var(--iron-soft);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 24px;
    border-top: 1px solid var(--line);
}

.category-card {
    position: relative;
    min-width: 0;
    min-height: 64px;
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    align-items: center;
    column-gap: 9px;
    padding: 10px 3px;
    border: 0;
    border-bottom: 1px solid var(--line);
    background: transparent;
    color: var(--mist);
    text-align: left;
    transition: background-color .18s ease, border-color .18s ease;
}

.category-card:hover {
    background: var(--surface-hover);
}

.category-icon {
    grid-row: 1 / span 2;
    width: 27px;
    height: 27px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--clay);
}

.category-name {
    min-width: 0;
    overflow: hidden;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.category-desc {
    min-width: 0;
    overflow: hidden;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.35;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.category-readout {
    grid-column: 2 / span 1;
    display: flex;
    gap: 9px;
    color: var(--iron-soft);
    font-family: var(--mono);
    font-size: 9px;
}

.category-readout strong {
    color: var(--clay-soft);
    font-weight: 500;
}

.category-favorite {
    grid-column: 3;
    grid-row: 1 / span 2;
    width: 28px;
    height: 28px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 2px;
    background: transparent;
    color: var(--iron-soft);
}

.category-favorite:hover,
.category-favorite.active {
    border-color: var(--line-strong);
    color: var(--clay-soft);
}

.category-empty-state {
    min-height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px dashed var(--line);
    color: var(--muted);
    text-align: center;
}

.category-empty-state strong {
    color: var(--mist);
    font-family: var(--mono);
    font-size: 12px;
}

.category-empty-state span:last-child {
    font-size: 11px;
}

.directory-note {
    margin-top: 14px;
    color: var(--iron-soft);
}

/* ---------------------------------------------------------
   Focused quiz surface
   --------------------------------------------------------- */

.quiz-container,
.score-container {
    width: min(900px, calc(100% - (var(--gutter) * 2)));
    padding: 28px 0 72px;
}

.quiz-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.back-btn {
    min-height: 42px;
    justify-self: start;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 11px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
}

.back-btn:hover {
    border-color: var(--clay);
    color: var(--clay-soft);
}

.category-indicator {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    color: var(--clay-soft);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    text-align: center;
}

.category-indicator .lucide-icon {
    width: 17px;
    height: 17px;
    color: var(--clay);
}

.score-display {
    justify-self: end;
    text-align: right;
}

.score-label {
    display: block;
    color: var(--muted);
    font-size: 9px;
    line-height: 1.3;
    text-transform: uppercase;
}

.score-value {
    color: var(--mist);
    font-family: var(--mono);
    font-size: 16px;
    font-weight: 600;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 22px;
}

.progress-bar {
    flex: 1;
    height: 5px;
    overflow: hidden;
    background: var(--iron);
    border: 1px solid var(--line-subtle);
}

.progress-fill {
    width: 0;
    height: 100%;
    background: var(--clay);
    transition: width .35s ease;
}

.question-counter {
    min-width: 54px;
    color: var(--muted);
    font-size: 10px;
    text-align: right;
}

.timer-container {
    margin-top: 18px;
}

.timer-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--muted);
    font-size: 10px;
    letter-spacing: .02em;
    text-transform: uppercase;
}

.timer-meta span:first-child {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.timer-meta .ui-icon {
    width: 14px;
    height: 14px;
    color: var(--clay);
}

#quiz-status {
    color: var(--clay-soft);
    font-variant-numeric: tabular-nums;
}

.timer-bar {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.game-stats-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 18px;
    margin-bottom: 14px;
}

.question-difficulty-badge,
.lifeline-btn {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--ink-soft);
    color: var(--muted);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .03em;
    text-transform: uppercase;
}

.question-difficulty-badge .ui-icon {
    width: 14px;
    height: 14px;
}

.question-difficulty-badge[data-difficulty="easy"] {
    border-color: rgba(57, 167, 141, .55);
    color: var(--sea-soft);
}

.question-difficulty-badge[data-difficulty="medium"] {
    border-color: var(--line-strong);
    color: var(--clay-soft);
}

.question-difficulty-badge[data-difficulty="hard"],
.question-difficulty-badge[data-difficulty="expert"] {
    border-color: rgba(200, 107, 94, .6);
    color: var(--alert-soft);
}

.streak-container {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--ink-soft);
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
}

.streak-container[data-streak-level="building"] {
    border-color: var(--sea);
    color: var(--sea-soft);
}

.streak-container[data-streak-level="high"],
.streak-container[data-streak-level="peak"] {
    border-color: var(--clay);
    color: var(--clay-soft);
}

.streak-icon {
    width: 16px;
    height: 16px;
    color: var(--clay);
}

.streak-text {
    color: var(--mist);
}

#multiplier-display {
    color: var(--clay-soft);
    font-weight: 600;
}

.lifelines {
    margin-left: auto;
}

.lifeline-btn {
    border-color: var(--line-strong);
    color: var(--clay-soft);
    cursor: pointer;
    text-transform: none;
}

.lifeline-mark {
    display: inline-grid;
    width: 15px;
    height: 15px;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 12px;
    line-height: 1;
}

.lifeline-btn:hover:not(:disabled) {
    background: rgba(225, 169, 95, .1);
}

.lifeline-btn:disabled {
    border-color: var(--iron);
    background: var(--iron);
    color: var(--muted);
    opacity: 1;
}

.question-card {
    position: relative;
    padding: clamp(24px, 5vw, 48px);
    border-top: 2px solid var(--clay);
}

.question-kicker {
    display: block;
    margin-bottom: 16px;
}

.question-text {
    max-width: 740px;
    margin: 0 auto 30px;
    color: var(--mist);
    font-size: clamp(1.55rem, 3.2vw, 2.35rem);
    font-weight: 600;
    letter-spacing: -.045em;
    line-height: 1.18;
    text-align: center;
}

.fetching-text {
    color: var(--clay-soft);
    font-style: normal;
}

.options-container {
    display: grid;
    gap: 8px;
}

.option-btn {
    width: 100%;
    min-height: 58px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 13px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--ink-soft);
    color: var(--mist);
    font-size: 14px;
    text-align: left;
    transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}

.option-btn:hover:not(:disabled):not(.disabled) {
    background: var(--panel-raised);
    border-color: var(--clay);
    transform: translateX(2px);
}

.option-letter {
    width: 28px;
    height: 28px;
    display: inline-flex;
    flex: 0 0 28px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--iron);
    border-radius: 2px;
    color: var(--clay-soft);
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 600;
}

.option-text {
    min-width: 0;
    overflow-wrap: anywhere;
}

.option-btn.disabled {
    border-color: var(--iron);
    background: var(--iron);
    color: var(--muted);
    opacity: 1;
}

.option-btn.disabled .option-letter {
    border-color: var(--iron-soft);
    color: var(--iron-soft);
}

.option-btn.correct {
    border-color: var(--sea);
    background: rgba(57, 167, 141, .12);
    color: var(--sea-soft);
}

.option-btn.correct .option-letter {
    border-color: var(--sea);
    color: var(--sea-soft);
}

.option-btn.incorrect {
    border-color: var(--alert);
    background: rgba(200, 107, 94, .12);
    color: var(--alert-soft);
}

.option-btn.incorrect .option-letter {
    border-color: var(--alert);
    color: var(--alert-soft);
}

.quiz-recovery {
    display: grid;
    gap: 18px;
    margin-top: 18px;
    padding: 16px;
    border-top: 1px solid var(--alert);
    background: rgba(200, 107, 94, .08);
}

.recovery-copy {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.recovery-icon {
    width: 18px;
    height: 18px;
    color: var(--alert);
}

.recovery-copy strong {
    display: block;
    color: var(--alert-soft);
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 600;
}

.recovery-copy p {
    margin-top: 6px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.quiz-recovery .action-btn {
    justify-self: start;
}

.feedback {
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--line-strong);
}

.feedback-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 15px;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 14px;
    font-weight: 600;
}

.feedback-message .ui-icon {
    width: 19px;
    height: 19px;
}

.fun-fact {
    margin-bottom: 18px;
    padding: 14px;
    border-left: 2px solid var(--clay);
    background: var(--ink-soft);
    text-align: left;
}

.fun-fact-header {
    margin-bottom: 6px;
    color: var(--clay-soft);
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 600;
}

.fun-fact p {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.55;
}

.next-btn {
    position: sticky;
    bottom: 12px;
    z-index: 2;
    width: 100%;
}

/* ---------------------------------------------------------
   Results / radial accuracy readout
   --------------------------------------------------------- */

.score-card {
    width: 100%;
    padding: clamp(28px, 7vw, 62px);
    border-top: 2px solid var(--clay);
    text-align: center;
}

.score-header h2 {
    margin-top: 9px;
    color: var(--mist);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
}

.category-completed {
    margin-top: 8px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 11px;
}

.final-score-container {
    --result-progress: 0%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 28px;
}

.score-ring {
    width: clamp(152px, 22vw, 190px);
    height: clamp(152px, 22vw, 190px);
    display: grid;
    place-items: center;
    padding: 8px;
    border-radius: 50%;
    background: conic-gradient(var(--sea) var(--result-progress), var(--iron) 0);
}

.final-score {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    border-radius: 50%;
    background: var(--panel);
    color: var(--mist);
    font-family: var(--mono);
    font-size: clamp(2.7rem, 7vw, 4.8rem);
    font-weight: 600;
    letter-spacing: -.08em;
    line-height: 1;
}

.final-score-total {
    align-self: center;
    color: var(--muted);
    font-size: .35em;
    letter-spacing: -.04em;
}

.score-message {
    max-width: 540px;
    margin-top: 18px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.55;
}

.stats-container {
    max-width: 600px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 30px auto 20px;
    padding: 16px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.stat-item {
    min-width: 0;
}

.stat-value {
    display: block;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 25px;
    font-weight: 600;
}

.stat-label {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 9px;
    text-transform: uppercase;
}

.new-high-score {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    margin-bottom: 16px;
    padding: 7px 10px;
    border: 1px solid var(--clay);
    color: var(--clay-soft);
    font-family: var(--mono);
    font-size: 10px;
}

.result-reward-card {
    max-width: 560px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 0 auto 18px;
    padding: 15px;
    background: var(--ink-soft);
}

.result-reward-card > div {
    min-width: 0;
    text-align: center;
}

.result-reward-card strong {
    display: block;
    margin-top: 5px;
    color: var(--clay-soft);
    font-family: var(--mono);
    font-size: 16px;
    font-weight: 600;
}

.result-progress-panel {
    max-width: 560px;
    margin: 0 auto 20px;
    padding: 15px;
    border: 1px solid var(--line);
    background: var(--ink-soft);
    text-align: left;
}

.result-progress-panel strong {
    display: block;
    margin-top: 5px;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
}

.result-xp-track {
    height: 5px;
    overflow: hidden;
    margin: 14px 0 7px;
    background: var(--iron);
}

.result-xp-track span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--clay);
    transition: width .5s ease;
}

.result-xp-next {
    color: var(--muted);
    font-family: var(--mono);
    font-size: 9px;
}

.achievement-unlocked {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 18px;
    padding: 12px;
    border: 1px solid var(--sea);
    color: var(--sea-soft);
    font-family: var(--mono);
    font-size: 11px;
}

.score-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
}

.text-action {
    border-color: transparent !important;
    color: var(--muted) !important;
}

.text-action:hover {
    border-color: var(--line) !important;
    color: var(--mist) !important;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.share-btn {
    color: var(--clay-soft) !important;
}

.personal-best-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin: -7px auto 18px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
}

.personal-best-note strong {
    color: var(--clay-soft);
}

/* ---------------------------------------------------------
   Shared overlays, profile, auth, and sharing
   --------------------------------------------------------- */

.overlay {
    position: fixed;
    inset: 0;
    z-index: 25000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow-y: auto;
    padding: 20px;
    background: var(--overlay);
    -webkit-overflow-scrolling: touch;
}

.overlay.hidden {
    display: none !important;
}

.close-modal {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 32px;
    height: 32px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
}

.close-modal:hover {
    border-color: var(--line);
    color: var(--clay-soft);
}

.profile-modal,
.share-modal,
.auth-modal,
.admin-crud-modal {
    position: relative;
    width: min(720px, 100%);
    max-height: min(88vh, 780px);
    margin: auto;
    overflow-y: auto;
    padding: 28px;
    border: var(--border-instrument);
    border-radius: var(--radius-sm);
    background: var(--panel);
    box-shadow: var(--inset-highlight);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.profile-modal h2,
.share-modal h2,
.auth-heading h2,
.admin-crud-modal h3 {
    color: var(--mist);
    font-weight: 600;
    letter-spacing: -.04em;
}

.profile-name-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 8px 0 14px;
}

.profile-name-row h2 {
    min-width: 0;
    overflow-wrap: anywhere;
    font-size: 26px;
}

.profile-edit-btn {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 9px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-family: var(--mono);
    font-size: 9px;
    white-space: nowrap;
}

.profile-edit-btn:hover {
    border-color: var(--clay);
    color: var(--clay-soft);
}

.account-status-block {
    margin-bottom: 14px;
    padding: 14px;
    border: 1px solid var(--line);
    background: var(--ink-soft);
}

.account-status-main {
    display: flex;
    align-items: center;
    gap: 12px;
}

.account-status-icon {
    width: 30px;
    height: 30px;
    display: inline-grid;
    place-items: center;
    color: var(--sea-soft);
}

.account-status-main strong,
.account-status-main span {
    display: block;
}

.account-status-main strong {
    color: var(--mist);
    font-family: var(--mono);
    font-size: 11px;
}

.account-status-main span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.4;
}

.account-login-btn,
.account-logout-btn {
    width: 100%;
    min-height: 36px;
    margin-top: 11px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--clay-soft);
    cursor: pointer;
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 600;
}

.account-login-btn:hover {
    background: rgba(225, 169, 95, .1);
}

.account-logout-btn {
    border-color: var(--alert);
    color: var(--alert-soft);
}

.account-logout-btn:hover {
    background: rgba(200, 107, 94, .1);
}

.cloud-sync-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 14px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 9px;
}

.cloud-sync-status.online {
    color: var(--sea-soft);
}

.cloud-sync-status.offline {
    color: var(--alert-soft);
}

.profile-level-card {
    margin-bottom: 16px;
    padding: 14px;
    border: 1px solid var(--line);
    background: var(--ink-soft);
}

.profile-level-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.profile-big-level,
.profile-modal-xp-total {
    color: var(--clay-soft);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
}

.profile-modal-xp-next {
    margin-top: 6px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 9px;
    text-align: right;
}

.profile-dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-bottom: 18px;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.profile-dashboard-grid > div {
    min-width: 0;
    padding: 12px 10px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.profile-dashboard-grid strong,
.profile-dashboard-grid span {
    display: block;
}

.profile-dashboard-grid strong {
    color: var(--mist);
    font-family: var(--mono);
    font-size: 17px;
    font-weight: 600;
}

.profile-dashboard-grid span {
    margin-top: 4px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 9px;
}

.profile-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin: 20px 0 9px;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
}

.profile-history-count {
    color: var(--muted);
    font-size: 9px;
    font-weight: 400;
}

.game-history-list {
    display: grid;
    gap: 7px;
    max-height: 240px;
    overflow-y: auto;
    margin-bottom: 16px;
    padding-right: 3px;
}

.game-history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    background: var(--ink-soft);
}

.game-history-item strong,
.game-history-item small {
    display: block;
}

.game-history-item strong {
    color: var(--mist);
    font-family: var(--mono);
    font-size: 10px;
}

.game-history-item small {
    margin-top: 3px;
    color: var(--muted);
    font-size: 10px;
}

.game-history-item > span {
    color: var(--clay-soft);
    font-family: var(--mono);
    font-size: 10px;
    white-space: nowrap;
}

.game-history-empty,
.validator-empty,
.analytics-empty {
    padding: 14px;
    border: 1px dashed var(--line);
    color: var(--muted);
    font-size: 11px;
    line-height: 1.5;
    text-align: center;
}

.profile-performance-summary {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 10px;
}

.performance-highlight {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 11px;
    border: 1px solid var(--line);
    background: var(--ink-soft);
}

.performance-icon,
.response-icon,
.category-stat-icon {
    width: 30px;
    height: 30px;
    display: inline-grid;
    flex: 0 0 auto;
    place-items: center;
    color: var(--clay-soft);
}

.performance-highlight small,
.performance-highlight strong,
.performance-highlight span {
    display: block;
}

.performance-highlight small {
    color: var(--muted);
    font-family: var(--mono);
    font-size: 9px;
}

.performance-highlight strong {
    margin: 2px 0;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 11px;
}

.performance-highlight span {
    color: var(--muted);
    font-size: 10px;
}

.profile-category-stats {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.category-stat-row {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(70px, 1fr) 40px;
    align-items: center;
    gap: 10px;
}

.category-stat-name {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 7px;
}

.category-stat-name strong,
.category-stat-name small {
    display: block;
}

.category-stat-name strong {
    overflow: hidden;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.category-stat-name small {
    margin-top: 2px;
    color: var(--muted);
    font-size: 9px;
}

.category-stat-meter {
    height: 5px;
    overflow: hidden;
    background: var(--iron);
}

.category-stat-meter span {
    display: block;
    height: 100%;
    background: var(--sea);
}

.category-stat-value {
    color: var(--clay-soft);
    font-family: var(--mono);
    font-size: 10px;
    text-align: right;
}

.response-analytics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.response-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px;
    border: 1px solid var(--line);
    background: var(--ink-soft);
}

.response-stat strong,
.response-stat small {
    display: block;
}

.response-stat strong {
    color: var(--mist);
    font-family: var(--mono);
    font-size: 12px;
}

.response-stat small {
    margin-top: 2px;
    color: var(--muted);
    font-size: 9px;
}

.validator-title {
    align-items: center;
}

.validator-status,
.validator-success,
.validator-warning,
.admin-error,
.admin-loading {
    padding: 12px;
    border: 1px solid var(--line);
    background: var(--ink-soft);
    color: var(--muted);
    font-size: 11px;
    line-height: 1.5;
}

.validator-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.validator-status strong {
    color: var(--mist);
}

.validator-status span {
    margin-left: auto;
    color: var(--muted);
    font-size: 10px;
    text-align: right;
}

.validator-status.healthy,
.validator-success {
    border-color: var(--sea);
    color: var(--sea-soft);
}

.validator-status.warning,
.validator-warning {
    border-color: var(--clay);
    color: var(--clay-soft);
}

.validator-list {
    margin: 0;
    padding: 12px 12px 12px 28px;
    border: 1px solid var(--clay);
    border-top: 0;
    color: var(--muted);
    font-size: 11px;
}

.achievement-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.achievement-item {
    min-width: 0;
    padding: 11px;
    border: 1px solid var(--line);
    background: var(--ink-soft);
}

.achievement-item.locked {
    opacity: .55;
}

.achievement-item strong {
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--mist);
    font-family: var(--mono);
    font-size: 10px;
}

.achievement-item small {
    display: block;
    margin-top: 5px;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.4;
}

.achievement-icon {
    display: inline-flex;
    color: var(--clay-soft);
}

.reset-progress-btn {
    width: 100%;
    min-height: 40px;
    margin-top: 18px;
    border: 1px solid var(--alert);
    background: transparent;
    color: var(--alert-soft);
    cursor: pointer;
    font-family: var(--mono);
    font-size: 10px;
}

.reset-progress-btn:hover {
    background: rgba(200, 107, 94, .1);
}

.share-modal {
    width: min(900px, 100%);
}

.share-modal h2 {
    margin: 8px 0 18px;
    font-size: 27px;
}

.share-preview-wrap {
    width: 100%;
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--ink);
}

#share-card-canvas {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1200 / 630;
}

.share-themes,
.share-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.share-themes {
    margin: 16px 0;
}

.share-actions .action-btn {
    min-width: 0;
}

/* Auth modal is injected by auth.js and consumes the same tokens. */

.auth-modal {
    width: min(460px, 100%);
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
    color: var(--mist);
    font-family: var(--mono);
    font-weight: 700;
}

.auth-brand-icon {
    width: 32px;
    height: 32px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--line-strong);
    color: var(--clay);
}

.auth-heading h2 {
    margin: 6px 0 8px;
    font-size: 27px;
    line-height: 1.15;
}

.auth-heading p {
    margin-bottom: 22px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

.auth-field {
    margin-bottom: 14px;
}

.auth-field label {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .04em;
}

.auth-field input {
    width: 100%;
    min-height: 44px;
    padding: 10px 11px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    outline: 0;
    background: var(--ink-soft);
    color: var(--mist);
    font-size: 14px;
}

.auth-field input:focus {
    border-color: var(--clay);
    box-shadow: 0 0 0 2px rgba(225, 169, 95, .12);
}

.auth-password-wrap {
    position: relative;
}

.auth-password-wrap input {
    padding-right: 52px;
}

.auth-password-toggle {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 40px;
    height: 36px;
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-family: var(--mono);
    font-size: 9px;
}

.auth-password-toggle:hover {
    color: var(--clay-soft);
}

.auth-secondary-links {
    margin-top: 9px;
    text-align: right;
}

.auth-link-btn,
.auth-switch button,
.auth-guest-btn {
    border: 0;
    background: transparent;
    color: var(--clay-soft);
    cursor: pointer;
    font-size: 10px;
}

.auth-primary-btn {
    width: 100%;
    min-height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
    border: 1px solid var(--clay);
    border-radius: var(--radius-sm);
    background: var(--clay);
    color: var(--ink);
    cursor: pointer;
    font-size: 11px;
    font-weight: 700;
}

.auth-primary-btn:hover {
    background: var(--clay-soft);
}

.auth-primary-btn:disabled {
    border-color: var(--iron);
    background: var(--iron);
    color: var(--muted);
    cursor: wait;
}

.auth-switch {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 11px;
    text-align: center;
}

.auth-switch button:hover,
.auth-link-btn:hover,
.auth-guest-btn:hover {
    color: var(--mist);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.auth-guest-btn {
    width: 100%;
    margin-top: 14px;
    padding: 8px;
    color: var(--muted);
}

.auth-message {
    margin-bottom: 14px;
    padding: 10px 11px;
    border: 1px solid var(--line);
    font-size: 11px;
    line-height: 1.45;
}

.auth-message.hidden {
    display: none;
}

.auth-error {
    border-color: var(--alert);
    color: var(--alert-soft);
}

.auth-success {
    border-color: var(--sea);
    color: var(--sea-soft);
}

/* ---------------------------------------------------------
   Admin command center
   --------------------------------------------------------- */

.admin-container {
    width: min(1200px, calc(100% - (var(--gutter) * 2)));
    padding: 28px 0 72px;
}

.admin-layout {
    min-height: 75vh;
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    overflow: hidden;
}

.admin-sidebar {
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: var(--ink-soft);
    border-right: 1px solid var(--line);
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 18px;
    border-bottom: 1px solid var(--line);
    color: var(--clay);
}

.admin-brand h2 {
    color: var(--mist);
    font-size: 15px;
    font-weight: 600;
}

.admin-back-btn {
    min-height: 30px;
    margin-left: auto;
    padding: 5px 7px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-family: var(--mono);
    font-size: 9px;
}

.admin-back-btn:hover {
    border-color: var(--clay);
    color: var(--clay-soft);
}

.admin-nav {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 3px;
    padding: 14px 10px;
}

.admin-tab-btn {
    min-height: 42px;
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 10px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 10px;
    text-align: left;
}

.admin-tab-btn .ui-icon {
    width: 16px;
    height: 16px;
}

.admin-tab-btn:hover,
.admin-tab-btn.active {
    border-color: var(--line-strong);
    color: var(--clay-soft);
}

.admin-sidebar-footer {
    padding: 14px;
    border-top: 1px solid var(--line);
}

.admin-sidebar-footer .action-btn {
    width: 100%;
}

.admin-content {
    min-width: 0;
    max-height: 85vh;
    overflow-y: auto;
    padding: 28px;
    background: var(--panel);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.admin-panel {
    display: none;
}

.admin-panel.active {
    display: block;
}

.admin-panel-heading h3,
.admin-panel-header h3 {
    margin-top: 8px;
    color: var(--mist);
    font-size: 22px;
    font-weight: 600;
}

.admin-panel-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.admin-panel-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 7px;
}

.action-btn.mini {
    min-height: 34px;
    padding: 7px 10px;
    font-size: 9px;
}

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 24px;
}

.admin-stat-card {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 15px;
    border: 1px solid var(--line);
    background: var(--ink-soft);
}

.admin-stat-card > .ui-icon {
    width: 31px;
    height: 31px;
    color: var(--clay);
}

.admin-stat-card strong,
.admin-stat-card span {
    display: block;
}

.admin-stat-card strong {
    color: var(--mist);
    font-family: var(--mono);
    font-size: 22px;
    font-weight: 600;
    line-height: 1;
}

.admin-stat-card span {
    margin-top: 5px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 9px;
}

.admin-overview-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 14px;
    padding: 14px;
    border-left: 2px solid var(--sea);
    background: var(--ink-soft);
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.admin-overview-note .ui-icon {
    width: 17px;
    height: 17px;
    color: var(--sea-soft);
}

.admin-data-list {
    min-width: 0;
    color: var(--muted);
    line-height: 1.5;
}

.admin-table-wrap {
    max-width: 100%;
    overflow-x: auto;
    border: 1px solid var(--line);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.admin-table {
    width: 100%;
    min-width: 680px;
    border-collapse: collapse;
    background: var(--ink-soft);
    text-align: left;
}

.admin-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    background: var(--panel-raised);
    color: var(--iron-soft);
    font-size: 9px;
    font-weight: 500;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.admin-table td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--line-subtle);
    color: var(--muted);
    font-size: 11px;
    vertical-align: middle;
}

.admin-table tbody tr:last-child td {
    border-bottom: 0;
}

.admin-table tbody tr:hover td {
    background: var(--surface-hover);
}

.admin-table td:first-child,
.admin-table td strong {
    color: var(--mist);
}

.admin-question-cell {
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 6px;
    border: 1px solid var(--line);
    border-radius: 2px;
    color: var(--muted);
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.active {
    border-color: var(--sea);
    color: var(--sea-soft);
}

.status-badge.inactive {
    border-color: var(--alert);
    color: var(--alert-soft);
}

.admin-action-row {
    display: flex;
    gap: 6px;
}

.icon-btn {
    width: 32px;
    height: 32px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
}

.icon-btn:hover {
    border-color: var(--clay);
    color: var(--clay-soft);
}

.icon-btn.danger:hover {
    border-color: var(--alert);
    color: var(--alert-soft);
}

.admin-table-note {
    margin: 10px 0 0;
    color: var(--iron-soft);
    font-family: var(--mono);
    font-size: 9px;
}

.admin-crud-modal {
    width: min(520px, 100%);
}

.admin-crud-modal h3 {
    margin: 8px 0 20px;
    font-size: 22px;
}

.admin-form-group {
    margin-bottom: 15px;
}

.admin-form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 9px;
}

.admin-form-group input,
.admin-form-group select,
.admin-form-group textarea {
    width: 100%;
    min-height: 42px;
    padding: 9px 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    outline: 0;
    background: var(--ink-soft);
    color: var(--mist);
    font-size: 13px;
}

.admin-form-group input:focus,
.admin-form-group select:focus,
.admin-form-group textarea:focus {
    border-color: var(--clay);
}

.admin-form-group textarea {
    min-height: 88px;
    resize: vertical;
}

.admin-check-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-check-group input {
    width: auto;
    min-height: auto;
}

.admin-check-group label {
    margin: 0;
}

.admin-modal-actions {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 22px;
}

/* ---------------------------------------------------------
   Toast and confetti
   --------------------------------------------------------- */

.toast {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 30000;
    max-width: min(360px, calc(100% - 36px));
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 12px 14px;
    border: 1px solid var(--sea);
    border-radius: var(--radius-sm);
    background: var(--panel-raised);
    color: var(--mist);
    font-size: 10px;
    box-shadow: var(--inset-highlight);
    transition: opacity .18s ease, transform .18s ease;
}

.toast.hidden {
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
}

.toast-icon {
    width: 17px;
    height: 17px;
    color: var(--sea-soft);
}

#confetti-canvas {
    position: fixed;
    inset: 0;
    z-index: 29999;
    width: 100%;
    height: 100%;
    display: none;
    pointer-events: none;
}

/* ---------------------------------------------------------
   Responsive behavior
   --------------------------------------------------------- */

@media (max-width: 980px) {
    .hero-panel {
        grid-template-columns: 1fr;
        min-height: 0;
        padding: 32px 28px;
    }

    .hero-readout {
        justify-self: stretch;
        width: min(420px, 100%);
    }

    .category-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .admin-layout {
        grid-template-columns: 190px minmax(0, 1fr);
    }
}

@media (max-width: 760px) {
    :root {
        --gutter: 14px;
    }

    .start-container,
    .quiz-container,
    .score-container,
    .admin-container {
        padding-top: 16px;
        padding-bottom: 54px;
    }

    .top-nav {
        align-items: flex-start;
        gap: 12px;
    }

    .brand-tag,
    .nav-stat {
        display: none;
    }

    .nav-stats {
        gap: 5px;
    }

    .nav-profile,
    .mute-btn {
        min-height: 34px;
        padding: 6px 8px;
    }

    .nav-profile span:last-child {
        max-width: 82px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .hero-panel {
        gap: 28px;
        margin-top: 17px;
        padding: 25px 18px;
    }

    .hero-topographic {
        width: 70%;
        opacity: .15;
    }

    .game-title {
        font-size: 39px;
    }

    .tagline {
        font-size: 14px;
    }

    .play-board {
        grid-template-columns: 1fr 1fr;
        grid-auto-rows: auto;
    }

    .daily-panel,
    .profile-panel {
        grid-column: 1 / -1;
        grid-row: auto;
    }

    .daily-panel {
        min-height: 250px;
    }

    .speed-panel,
    .feature-card {
        grid-column: span 1;
    }

    .feature-card-button {
        min-height: 170px;
    }

    .section-heading-row {
        display: block;
    }

    .section-note {
        display: block;
        margin-top: 9px;
    }

    .category-tools {
        align-items: stretch;
    }

    .difficulty-picker {
        width: 100%;
    }

    .question-difficulty-btn,
    .category-filter-btn {
        flex: 1 1 auto;
    }

    .category-search {
        order: -1;
        flex: 1 1 100%;
        margin-left: 0;
    }

    .category-grid {
        grid-template-columns: 1fr;
    }

    .quiz-header {
        grid-template-columns: auto minmax(0, 1fr) auto;
        gap: 9px;
    }

    .category-indicator {
        overflow: hidden;
        justify-content: flex-start;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .question-card {
        padding: 24px 16px;
    }

    .question-text {
        font-size: 1.65rem;
        text-align: left;
    }

    .game-stats-row {
        align-items: stretch;
        flex-wrap: wrap;
    }

    .streak-container {
        margin-left: auto;
    }

    .lifelines {
        width: 100%;
        margin-left: 0;
    }

    .lifeline-btn {
        width: 100%;
        justify-content: center;
    }

    .quiz-recovery .action-btn {
        width: 100%;
    }

    .stats-container,
    .result-reward-card {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-container .stat-item:last-child {
        grid-column: 1 / -1;
    }

    .score-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .score-actions .action-btn {
        width: 100%;
    }

    .profile-modal,
    .share-modal,
    .auth-modal,
    .admin-crud-modal {
        max-height: 88vh;
        padding: 22px 16px;
    }

    .profile-dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .achievement-list {
        grid-template-columns: 1fr;
    }

    .share-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .share-actions .action-btn {
        width: 100%;
    }

    .admin-container {
        width: calc(100% - 20px);
    }

    .admin-layout {
        display: block;
        overflow: visible;
    }

    .admin-sidebar {
        display: contents;
    }

    .admin-brand {
        position: relative;
        z-index: 2;
        background: var(--ink-soft);
        border-bottom: 1px solid var(--line);
    }

    .admin-nav {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 24999;
        flex-direction: row;
        overflow-x: auto;
        gap: 3px;
        padding: 7px max(8px, env(safe-area-inset-left)) calc(7px + env(safe-area-inset-bottom));
        border-top: 1px solid var(--line-strong);
        background: var(--panel);
        -webkit-overflow-scrolling: touch;
    }

    .admin-tab-btn {
        flex: 0 0 auto;
        width: auto;
        min-width: 88px;
        justify-content: center;
        padding: 8px 10px;
        text-align: center;
    }

    .admin-sidebar-footer {
        display: none;
    }

    .admin-content {
        max-height: none;
        padding: 22px 16px 92px;
    }

    .admin-panel-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .admin-panel-actions {
        justify-content: flex-start;
    }

    .admin-stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 460px) {
    .hero-actions .action-btn {
        width: 100%;
    }

    .play-board {
        grid-template-columns: 1fr;
    }

    .speed-panel,
    .feature-card {
        grid-column: 1 / -1;
    }

    .feature-card-button {
        min-height: 0;
    }

    .quiz-header .back-btn {
        padding-right: 8px;
        padding-left: 8px;
    }

    .quiz-header .back-btn span {
        display: none;
    }

    .category-indicator {
        font-size: 10px;
    }

    .question-difficulty-picker > span {
        flex-basis: 100%;
    }

    .response-analytics {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }
}