/* ==========================================================================
   TYK Clone — Modern Fullscreen UI (2026)
   "Test Your Knowledge" (اختبر معلوماتك) — Sakhr Software 1994
   ========================================================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #0f172a;
    --surface: #1e293b;
    --surface2: #334155;
    --border: #475569;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-dark: #1d4ed8;
    --success: #22c55e;
    --danger: #ef4444;
    --gold: #f59e0b;
    --radius: 12px;
    --radius-sm: 8px;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Tajawal', 'Segoe UI', 'Tahoma', 'Arial', sans-serif;
    direction: rtl;
    min-height: 100dvh;
    overflow: hidden;
    overscroll-behavior: none;
}

/* ---------- Game Container ---------- */
#game-container {
    width: 100vw;
    height: 100dvh;
    position: relative;
    overflow: hidden;
    background: var(--bg);
}

/* ---------- Screen System ---------- */
.screen {
    position: absolute;
    inset: 0;
    display: none;
    justify-content: center;
    align-items: center;
    padding:
        env(safe-area-inset-top, 0px)
        env(safe-area-inset-right, 0px)
        env(safe-area-inset-bottom, 0px)
        env(safe-area-inset-left, 0px);
}

.screen.active {
    display: flex;
}

.screen.overlay {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 10;
}

/* ---------- Common Card/Window ---------- */
.win-window {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.win-titlebar {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    flex-shrink: 0;
}

.win-body {
    padding: 20px;
    flex: 1;
    overflow-y: auto;
}

/* ---------- Buttons ---------- */
.win-btn {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    padding: 8px 16px;
    cursor: pointer;
    user-select: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 36px;
    transition: all 0.15s ease;
}

.win-btn:hover {
    background: var(--border);
    border-color: var(--accent);
}

.win-btn.selected {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.win-btn:active {
    transform: scale(0.97);
}

.win-btn:disabled {
    opacity: 0.5;
    cursor: default;
    transform: none;
}

.btn-large {
    font-size: 18px;
    font-weight: 700;
    padding: 12px 32px;
    min-height: 48px;
    border-radius: var(--radius);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    border-color: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent), #60a5fa);
}

/* ---------- Sunken ---------- */
.win-sunken {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
}

/* ---------- Logo Screen ---------- */
.logo-window {
    width: min(500px, 90vw);
    text-align: center;
}

.logo-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 40px 20px;
}

.logo-image {
    image-rendering: pixelated;
    max-width: 300px;
    height: auto;
    border-radius: var(--radius-sm);
}

/* ---------- Settings Screen ---------- */
.settings-window {
    width: min(700px, 95vw);
    max-height: 95vh;
}

.settings-body {
    overflow-y: auto;
}

.settings-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
}

.settings-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.settings-row:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.settings-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface2);
    border-radius: var(--radius-sm);
}

.settings-icon img {
    image-rendering: pixelated;
    max-width: 28px;
    max-height: 28px;
}

.settings-label {
    font-size: 15px;
    font-weight: 700;
    width: 110px;
    flex-shrink: 0;
    text-align: right;
    color: var(--text);
}

.settings-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

@media (max-width: 600px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cat-btn {
    background: transparent;
    border: none;
    padding: 2px;
    min-height: 32px;
    min-width: 84px;
    border-radius: 6px;
}

.cat-btn img {
    image-rendering: pixelated;
    width: auto;
    height: auto;
    max-width: 100%;
    display: block;
}

.cat-btn span {
    display: none;
}

.cat-btn:hover,
.cat-btn.selected,
.cat-btn:active {
    background: transparent;
    border-color: transparent;
}

.opt-btn {
    font-size: 14px;
    padding: 6px 14px;
}

.settings-actions {
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

/* ---------- Coin Toss Screen ---------- */
.toss-window {
    width: min(420px, 90vw);
}

.toss-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 32px 20px;
}

.toss-area {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    min-height: 120px;
}

.toss-hand-btn {
    position: relative;
    width: 128px;
    height: 108px;
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    transition: transform 0.18s ease, opacity 0.18s ease;
    touch-action: manipulation;
    -webkit-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.toss-hand-btn:hover {
    transform: translateY(-2px);
}

.toss-hand-btn:disabled {
    cursor: default;
    opacity: 0.7;
    transform: none;
}

.toss-hand {
    position: absolute;
    inset: 0;
    margin: auto;
    image-rendering: pixelated;
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--radius-sm);
    z-index: 0;
    pointer-events: none;
    -webkit-user-drag: none;
}

.toss-hand-btn[data-side="right"] .toss-hand {
    transform: scaleX(-1);
}

.toss-player-canvas {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 52px;
    height: 72px;
    transform: translate(-50%, -27%);
    image-rendering: pixelated;
    display: none;
    pointer-events: none;
    z-index: 1;
}

.toss-hand-btn.revealed .toss-player-canvas {
    display: block;
}

.toss-hand-btn.revealed {
    transform: translateY(-2px);
}

.toss-result {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    min-height: 28px;
    color: var(--gold);
}

/* ---------- Maze Screen ---------- */
#screen-maze {
    flex-direction: column;
    background: var(--bg);
    justify-content: stretch;
    align-items: stretch;
}

#maze-canvas {
    display: block;
    flex: 1;
    width: 100%;
    min-height: 0;
    object-fit: contain;
    touch-action: manipulation;
}

.hud-bar {
    width: 100%;
    min-height: 74px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    flex-shrink: 0;
    flex-wrap: wrap;
    row-gap: 8px;
}

.hud-section {
    display: flex;
    align-items: center;
    gap: 10px;
}

.hud-center {
    gap: 24px;
}

.hud-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hud-points {
    font-size: 20px;
    font-weight: 800;
    color: var(--gold);
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 2px 12px;
    min-width: 50px;
    text-align: center;
}

.hud-player {
    display: flex;
    align-items: center;
    gap: 10px;
    transition: opacity 0.3s, transform 0.3s;
}

.hud-player-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.hud-player1 {
    color: var(--accent);
}

.hud-player2 {
    color: var(--danger);
}

.hud-label {
    font-size: 14px;
    font-weight: 600;
}

.hud-meta {
    font-size: 12px;
    color: var(--text-muted);
}

.hud-score {
    font-size: 22px;
    font-weight: 800;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 2px 14px;
    min-width: 50px;
    text-align: center;
}

.hud-timer {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hud-time {
    font-size: 24px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 2px 14px;
    min-width: 80px;
    text-align: center;
    color: var(--gold);
}

/* ---------- Question Screen (Overlay) ---------- */
.question-window {
    width: min(600px, 95vw);
    max-height: 85vh;
}

.question-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
}

.question-top {
    display: flex;
    gap: 16px;
    align-items: center;
}

.question-cat-img {
    width: 96px;
    height: 96px;
    image-rendering: pixelated;
    border-radius: var(--radius-sm);
    background: linear-gradient(180deg, #1638d1 0%, #0016a8 100%);
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.question-text {
    font-size: 18px;
    line-height: 1.8;
    min-height: 60px;
    padding: 16px;
    text-align: right;
    flex: 1;
}

.answer-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

@media (max-width: 500px) {
    .answer-buttons {
        grid-template-columns: 1fr;
    }
}

.answer-buttons .win-btn {
    font-size: 15px;
    padding: 12px 16px;
    min-height: 44px;
    text-align: right;
    justify-content: flex-start;
}

.answer-buttons .win-btn.correct {
    background: var(--success) !important;
    border-color: var(--success) !important;
    color: #fff !important;
}

.answer-buttons .win-btn.wrong {
    background: var(--danger) !important;
    border-color: var(--danger) !important;
    color: #fff !important;
}

.btn-joker {
    padding: 2px 8px;
    min-height: 28px;
    border-radius: 6px;
    background: var(--gold);
    border-color: var(--gold);
    color: #000;
}

.btn-joker:hover {
    background: #fbbf24;
}

.btn-joker img {
    image-rendering: pixelated;
    width: 16px;
    height: 16px;
}

.question-feedback {
    text-align: center;
    font-size: 16px;
    font-weight: 700;
    min-height: 24px;
}

.question-feedback.correct {
    color: var(--success);
}

.question-feedback.wrong {
    color: var(--danger);
}

/* ---------- Game Over Screen ---------- */
.ending-window {
    width: min(100vw - 24px, 920px);
    max-height: calc(100dvh - 24px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.ending-canvas {
    width: min(calc(100vw - 24px), calc((100dvh - 110px) * 1.3333));
    max-width: 100%;
    max-height: calc(100dvh - 110px);
    aspect-ratio: 4 / 3;
    display: block;
    image-rendering: pixelated;
    border-radius: var(--radius);
    background: #050b17;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.42);
}

.ending-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.gameover-window {
    width: min(480px, 90vw);
}

.gameover-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 32px 20px;
}

.gameover-title {
    font-size: 22px;
    font-weight: 800;
}

.gameover-scores {
    display: flex;
    justify-content: space-around;
    width: 100%;
    gap: 24px;
}

.gameover-player {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.gameover-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
}

.gameover-score {
    font-size: 36px;
    font-weight: 800;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 24px;
    min-width: 80px;
    text-align: center;
}

.gameover-winner {
    font-size: 18px;
    font-weight: 700;
    color: var(--gold);
    text-align: center;
}

@media (max-width: 900px) {
    .win-body {
        padding: 16px;
    }

    .settings-window,
    .question-window,
    .eval-window,
    .gameover-window,
    .toss-window,
    .logo-window {
        width: min(100vw - 20px, 700px);
        max-height: calc(100dvh - 20px);
    }

    .ending-window {
        width: min(100vw - 20px, 860px);
    }

    .settings-row {
        flex-wrap: wrap;
        align-items: flex-start;
        gap: 12px;
    }

    .settings-label {
        width: auto;
        min-width: 96px;
    }

    .settings-options {
        width: 100%;
    }

    .hud-bar {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px 14px;
        padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
    }

    .hud-center {
        grid-column: 1 / -1;
        justify-content: space-between;
    }
}

@media (max-width: 640px) {
    .screen {
        padding:
            max(8px, env(safe-area-inset-top, 0px))
            max(8px, env(safe-area-inset-right, 0px))
            max(8px, env(safe-area-inset-bottom, 0px))
            max(8px, env(safe-area-inset-left, 0px));
    }

    .win-titlebar {
        font-size: 14px;
        padding: 10px 14px;
    }

    .win-body,
    .settings-body,
    .question-body,
    .eval-body,
    .gameover-body,
    .toss-body {
        padding: 14px;
    }

    .ending-window {
        gap: 10px;
    }

    .ending-canvas {
        width: min(calc(100vw - 16px), calc((100dvh - 86px) * 1.3333));
        max-height: calc(100dvh - 86px);
    }

    .btn-large {
        font-size: 16px;
        padding: 10px 20px;
        min-height: 44px;
    }

    .categories-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
    }

    .cat-btn {
        min-width: 0;
    }

    .toss-area {
        gap: 16px;
        min-height: 92px;
    }

    .toss-hand-btn {
        width: 108px;
        height: 92px;
    }

    .toss-player-canvas {
        width: 44px;
        height: 60px;
    }

    .hud-bar {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 8px 10px calc(10px + env(safe-area-inset-bottom, 0px));
    }

    .hud-center {
        grid-column: auto;
    }

    .hud-section,
    .hud-player {
        width: 100%;
        justify-content: space-between;
    }

    .hud-player-stack {
        min-width: 0;
    }

    .hud-label {
        font-size: 12px;
    }

    .hud-meta {
        font-size: 11px;
    }

    .hud-score,
    .hud-time,
    .hud-points {
        font-size: 18px;
        min-width: 64px;
        padding: 2px 10px;
    }

    .question-window {
        width: 100%;
        max-height: calc(100dvh - 16px);
    }

    .question-top {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .question-cat-img {
        width: 80px;
        height: 74px;
        align-self: center;
    }

    .question-text {
        font-size: 16px;
        line-height: 1.7;
        min-height: 0;
        padding: 12px;
    }

    .answer-buttons {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .answer-buttons .win-btn {
        font-size: 14px;
        min-height: 48px;
        padding: 10px 12px;
    }

    .question-feedback {
        font-size: 15px;
        min-height: 20px;
    }

    .ending-actions {
        width: 100%;
        gap: 8px;
    }

    .ending-actions .win-btn {
        flex: 1 1 160px;
    }

    .gameover-scores {
        gap: 12px;
    }

    .gameover-score {
        font-size: 28px;
        min-width: 68px;
        padding: 8px 16px;
    }
}

@media (max-width: 900px) and (orientation: landscape) {
    .screen {
        padding:
            max(6px, env(safe-area-inset-top, 0px))
            max(6px, env(safe-area-inset-right, 0px))
            max(6px, env(safe-area-inset-bottom, 0px))
            max(6px, env(safe-area-inset-left, 0px));
    }

    .settings-window,
    .toss-window,
    .logo-window,
    .question-window,
    .gameover-window,
    .eval-window {
        width: min(100vw - 12px, 920px);
        max-height: calc(100dvh - 12px);
    }

    .ending-window {
        width: min(100vw - 12px, 920px);
        gap: 8px;
    }

    .ending-canvas {
        width: min(calc(100vw - 12px), calc((100dvh - 70px) * 1.3333));
        max-height: calc(100dvh - 70px);
    }

    .win-titlebar {
        font-size: 13px;
        padding: 8px 12px;
    }

    .win-body,
    .settings-body,
    .question-body,
    .eval-body,
    .gameover-body,
    .toss-body {
        padding: 12px;
    }

    .settings-row {
        gap: 10px;
        padding-bottom: 10px;
    }

    .settings-options {
        gap: 6px;
    }

    .toss-body {
        gap: 14px;
    }

    .toss-area {
        gap: 18px;
        min-height: 84px;
    }

    .toss-hand-btn {
        width: 104px;
        height: 88px;
    }

    .toss-player-canvas {
        width: 40px;
        height: 56px;
    }

    .hud-bar {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px 10px;
        padding: 6px 10px calc(6px + env(safe-area-inset-bottom, 0px));
    }

    .hud-center {
        grid-column: auto;
        justify-content: center;
        gap: 12px;
    }

    .hud-label {
        font-size: 11px;
    }

    .hud-meta {
        font-size: 10px;
    }

    .hud-score,
    .hud-time,
    .hud-points {
        font-size: 16px;
        min-width: 56px;
        padding: 2px 8px;
    }

    .question-body {
        gap: 10px;
    }

    .question-top {
        flex-direction: row;
        align-items: flex-start;
        gap: 12px;
    }

    .question-cat-img {
        width: 72px;
        height: 72px;
        align-self: flex-start;
    }

    .question-text {
        font-size: 15px;
        line-height: 1.5;
        padding: 10px;
        max-height: 30vh;
        overflow-y: auto;
    }

    .answer-buttons {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .answer-buttons .win-btn {
        font-size: 13px;
        min-height: 40px;
        padding: 8px 10px;
    }

    .question-feedback {
        font-size: 14px;
        min-height: 18px;
    }
}

/* ---------- Evaluation Screen ---------- */
.eval-window {
    width: min(640px, 95vw);
    max-height: 90vh;
}

.eval-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 20px;
}

.eval-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.eval-table th,
.eval-table td {
    border: 1px solid var(--border);
    padding: 8px 12px;
    text-align: center;
}

.eval-table th {
    background: var(--accent-dark);
    color: #fff;
    font-weight: 700;
}

.eval-table td {
    background: var(--surface2);
}

.eval-images {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.eval-images img {
    image-rendering: pixelated;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
}

.eval-player-sprite {
    object-fit: contain;
    background: rgba(0, 0, 0, 0.2);
}

@media (max-width: 720px) {
    .hud-bar {
        height: auto;
        min-height: 74px;
        padding: 10px 14px;
        gap: 12px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hud-section {
        justify-content: center;
    }

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

/* ---------- Classic 1994 Theme Overrides ---------- */
:root {
    --bg: #0d5d1e;
    --surface: #d4d4d4;
    --surface2: #c6c6c6;
    --border: #1c1c1c;
    --text: #111;
    --text-muted: #444;
    --accent: #135ce4;
    --accent-dark: #063db6;
    --success: #0b8c2b;
    --danger: #b91c1c;
    --gold: #8d6900;
    --radius: 0;
    --radius-sm: 0;
}

[hidden] {
    display: none !important;
}

body {
    background:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.18) 1px, transparent 0) 0 0 / 5px 5px,
        linear-gradient(180deg, #117f2b 0%, #0d5d1e 100%);
    color: var(--text);
    font-family: 'Tahoma', 'Tajawal', sans-serif;
}

#game-container {
    background:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.18) 1px, transparent 0) 0 0 / 5px 5px,
        linear-gradient(180deg, #117f2b 0%, #0d5d1e 100%);
}

.screen.overlay {
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: none;
}

.win-window {
    border: 2px solid #0b0b0b;
    border-top-color: #f6f6f6;
    border-left-color: #f6f6f6;
    border-right-color: #434343;
    border-bottom-color: #434343;
    border-radius: 0;
    box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.15);
}

.win-titlebar {
    background: linear-gradient(90deg, #0052ef 0%, #2f84ff 100%);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    min-height: 42px;
    padding: 7px 12px;
}

.settings-window > .win-titlebar,
.settings-dialog > .win-titlebar {
    position: relative;
}

.settings-window > .win-titlebar .win-close,
.settings-dialog > .win-titlebar .win-close {
    position: absolute;
    right: 8px;
    top: 5px;
}

.settings-window > .win-titlebar span,
.settings-dialog > .win-titlebar span {
    padding-right: 44px;
}

.win-body {
    background:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.65) 1px, transparent 0) 0 0 / 5px 5px,
        #d9d9d9;
    padding: 22px;
}

.win-close {
    width: 34px;
    height: 30px;
    padding: 0;
    border: 2px solid #9a9a9a;
    border-top-color: #fff;
    border-left-color: #fff;
    border-right-color: #5f5f5f;
    border-bottom-color: #5f5f5f;
    background: #ddd8c8;
    cursor: pointer;
    flex: 0 0 auto;
    position: relative;
}

.win-close img {
    display: none;
}

.win-close::before {
    content: '×';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3e3e3e;
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
}

.classic-image-btn {
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.classic-image-btn img {
    image-rendering: pixelated;
    display: block;
}

.classic-image-btn:disabled {
    cursor: default;
    opacity: 0.6;
}

.logo-window {
    width: min(520px, 94vw);
}

.logo-body {
    background:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.65) 1px, transparent 0) 0 0 / 5px 5px,
        #d9d9d9;
}

.settings-window {
    width: min(900px, 96vw);
    max-height: calc(100dvh - 20px);
}

.settings-body {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 22px;
    min-height: min(620px, calc(100dvh - 90px));
}

.settings-main {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.settings-main-row {
    display: grid;
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: center;
    gap: 18px;
    min-height: 70px;
    background: rgba(203, 203, 203, 0.92);
    border: 2px solid #3b3b3b;
    border-top-color: #efefef;
    border-left-color: #efefef;
    padding: 12px 20px;
}

.settings-main-label {
    font-size: 19px;
    font-weight: 700;
    text-align: right;
}

.settings-main-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.settings-inline-option {
    position: relative;
    flex: 1 1 0;
    min-height: 42px;
    padding: 8px 6px 8px 34px;
    border: none;
    background: transparent;
    color: #111;
    font: 700 18px 'Tahoma', 'Tajawal', sans-serif;
    text-align: center;
    cursor: pointer;
}

.settings-inline-option::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 14px;
    height: 16px;
    transform: translateY(-50%);
    background: center / contain no-repeat url('../assets/ui/intrface_225.png');
}

.settings-inline-option.selected::before {
    background-image: url('../assets/ui/intrface_226.png');
}

.settings-summary {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.settings-summary-row {
    display: grid;
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: center;
    gap: 18px;
    min-height: 70px;
    background: rgba(203, 203, 203, 0.92);
    border: 2px solid #3b3b3b;
    border-top-color: #efefef;
    border-left-color: #efefef;
    padding: 14px 18px;
}

.settings-summary-label {
    font-size: 19px;
    font-weight: 700;
    text-align: right;
}

.settings-summary-value {
    font-size: 20px;
    font-weight: 700;
    text-align: right;
}

.settings-toolbar {
    display: flex;
    direction: ltr;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 14px;
    margin-top: auto;
}

.settings-toolbar .classic-image-btn img {
    width: min(210px, 100%);
    height: auto;
}

.settings-dialog-layer {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: rgba(0, 0, 0, 0.22);
}

.settings-dialog-layer.active {
    display: flex;
}

.settings-dialog {
    width: min(480px, calc(100vw - 48px));
    max-height: calc(100dvh - 70px);
}

.settings-dialog-character {
    width: min(336px, calc(100vw - 36px));
}

.settings-dialog-wide {
    width: min(660px, calc(100vw - 48px));
}

.settings-dialog-narrow {
    width: min(392px, calc(100vw - 34px));
}

.settings-dialog-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
    overflow-y: auto;
    max-height: calc(100dvh - 118px);
}

.settings-dialog-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: rgba(204, 204, 204, 0.94);
    border: 2px solid #3b3b3b;
    border-top-color: #efefef;
    border-left-color: #efefef;
    padding: 14px 18px;
}

.settings-dialog-heading {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.settings-dialog-heading-box {
    align-self: center;
    min-width: 168px;
    background: rgba(203, 203, 203, 0.92);
    border: 2px solid #3b3b3b;
    border-top-color: #efefef;
    border-left-color: #efefef;
    padding: 10px 18px;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
}

.settings-character-body {
    align-items: center;
}

.character-option-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.character-option {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    border: none;
    background: transparent;
    cursor: pointer;
}

.character-option-radio {
    position: relative;
    width: 14px;
    height: 16px;
    justify-self: center;
    background: center / contain no-repeat url('../assets/ui/intrface_225.png');
}

.character-option.selected .character-option-radio {
    background-image: url('../assets/ui/intrface_226.png');
}

.character-option-card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    background: rgba(203, 203, 203, 0.92);
    border: 2px solid #efefef;
    border-right-color: #3b3b3b;
    border-bottom-color: #3b3b3b;
    padding: 8px;
}

.character-preview-canvas {
    width: 130px;
    height: 112px;
    image-rendering: pixelated;
    display: block;
    background: #cfcfcf;
}

.radio-option {
    position: relative;
    min-height: 42px;
    padding: 8px 40px 8px 10px;
    border: none;
    background: transparent;
    color: #111;
    font: 700 18px 'Tahoma', 'Tajawal', sans-serif;
    text-align: right;
    cursor: pointer;
}

.radio-option::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    width: 14px;
    height: 16px;
    transform: translateY(-50%);
    background: center / contain no-repeat url('../assets/ui/intrface_225.png');
}

.radio-option.selected::before {
    background-image: url('../assets/ui/intrface_226.png');
}

.radio-option-green::before {
    background-image: url('../assets/ui/intrface_227.png');
}

.radio-option-green.selected::before {
    background-image: url('../assets/ui/intrface_229.png');
}

.btn-dialog-done {
    align-self: flex-start;
}

.settings-dialog-categories {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px 12px;
}

.settings-dialog-categories .cat-btn {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.settings-dialog-categories .cat-btn img {
    width: auto;
    max-width: 100%;
}

.settings-dialog-categories.disabled {
    opacity: 0.45;
    pointer-events: none;
}

.cat-btn {
    border: none;
    background: transparent;
    padding: 0;
    min-width: 0;
}

.cat-btn img {
    width: 100%;
    max-width: none;
}

.cat-btn span {
    display: none;
}

.toss-window {
    width: min(470px, 94vw);
}

.toss-body {
    background:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.65) 1px, transparent 0) 0 0 / 5px 5px,
        #d9d9d9;
}

.hud-bar {
    background: rgba(213, 213, 213, 0.96);
    border-top: 2px solid #fff;
    color: #111;
}

.hud-player.is-hidden {
    display: none;
}

.hud-bar.single-player {
    justify-content: center;
}

.hud-meta {
    color: #3a3a3a;
}

.hud-score,
.hud-time,
.hud-points {
    background: #efefef;
    border: 2px solid #646464;
    border-top-color: #fff;
    border-left-color: #fff;
    color: #111;
}

.question-window {
    width: min(900px, 96vw);
    max-height: calc(100dvh - 20px);
}

.question-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.question-top {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: stretch;
    gap: 18px;
}

.question-cat-img {
    width: 104px;
    height: 96px;
    background: #0000ff;
    border: 2px solid #4d4d4d;
    border-top-color: #fff;
    border-left-color: #fff;
}

.question-text {
    min-height: 124px;
    background: #d1d1d1;
    border: 2px solid #4d4d4d;
    border-top-color: #fff;
    border-left-color: #fff;
    font-size: 21px;
    font-weight: 700;
    line-height: 1.7;
    color: #111;
}

.answer-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.answer-option {
    position: relative;
    min-height: 58px;
    padding: 10px 52px 10px 18px;
    background: #d0d0d0;
    border: 2px solid #5a5a5a;
    border-top-color: #fff;
    border-left-color: #fff;
    color: #111;
    font: 700 19px 'Tahoma', 'Tajawal', sans-serif;
    text-align: right;
    cursor: pointer;
}

.answer-option::after {
    content: '';
    position: absolute;
    right: 16px;
    top: 50%;
    width: 14px;
    height: 16px;
    transform: translateY(-50%);
    background: center / contain no-repeat url('../assets/ui/intrface_225.png');
}

.answer-option.selected {
    background: #d7d7d7;
}

.answer-option.selected::after {
    background-image: url('../assets/ui/intrface_226.png');
}

.answer-option.correct {
    background: #d6ecd7 !important;
    border-color: #4b7b4c !important;
}

.answer-option.wrong {
    background: #f3d6d6 !important;
    border-color: #8b4d4d !important;
}

.question-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.question-confirm-btn {
    flex: 0 0 auto;
}

.question-feedback {
    flex: 1;
    min-height: 26px;
    text-align: right;
    font-size: 18px;
    font-weight: 700;
}

.btn-joker {
    min-height: 32px;
    background: #f3d773;
    border: 2px solid #7b6a26;
    color: #111;
}

.btn-joker img {
    width: 18px;
    height: 18px;
}

.eval-window {
    width: min(700px, 96vw);
}

.eval-table th {
    background: linear-gradient(90deg, #0052ef 0%, #2f84ff 100%);
}

.eval-table td {
    background: #d2d2d2;
    color: #111;
}

@media (max-width: 900px) {
    .win-titlebar {
        font-size: 17px;
        min-height: 36px;
        padding: 5px 9px;
    }

    .win-body {
        padding: 14px;
    }

    .settings-window,
    .question-window,
    .eval-window,
    .toss-window,
    .logo-window {
        width: min(100vw - 12px, 920px);
        max-height: calc(100dvh - 12px);
    }

    .settings-body {
        min-height: min(560px, calc(100dvh - 70px));
        gap: 16px;
    }

    .settings-main-row {
        grid-template-columns: 172px minmax(0, 1fr);
        gap: 12px;
        min-height: 58px;
        padding: 10px 12px;
    }

    .settings-main-label,
    .settings-inline-option {
        font-size: 16px;
    }

    .settings-main-options {
        gap: 14px;
    }

    .settings-summary-row {
        grid-template-columns: 170px minmax(0, 1fr);
        min-height: 58px;
        gap: 12px;
        padding: 10px 12px;
    }

    .settings-summary-label,
    .settings-summary-value,
    .radio-option,
    .question-feedback {
        font-size: 16px;
    }

    .settings-toolbar {
        justify-content: center;
    }

    .settings-toolbar .classic-image-btn img {
        width: clamp(138px, 28vw, 188px);
    }

    .settings-dialog {
        max-height: calc(100dvh - 20px);
    }

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

    .question-top {
        grid-template-columns: 88px minmax(0, 1fr);
        gap: 12px;
    }

    .question-cat-img {
        width: 84px;
        height: 78px;
    }

    .question-text {
        min-height: 94px;
        font-size: 17px;
        padding: 12px;
    }

    .answer-option {
        min-height: 50px;
        font-size: 16px;
        padding: 9px 46px 9px 12px;
    }
}

@media (max-width: 640px) {
    .settings-main-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .settings-main-label {
        font-size: 15px;
    }

    .settings-main-options {
        gap: 8px;
    }

    .settings-inline-option {
        font-size: 14px;
        min-height: 38px;
        padding-left: 24px;
    }

    .settings-summary-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .settings-summary-label,
    .settings-summary-value {
        font-size: 15px;
    }

    .settings-toolbar {
        gap: 10px;
    }

    .settings-toolbar .classic-image-btn {
        flex: 1 1 calc(50% - 10px);
        justify-content: center;
    }

    .settings-toolbar .classic-image-btn img {
        width: min(176px, 100%);
    }

    .settings-dialog-layer {
        padding: 6px;
    }

    .settings-dialog,
    .settings-dialog-wide,
    .settings-dialog-narrow,
    .settings-dialog-character {
        width: calc(100vw - 12px);
    }

    .question-body {
        gap: 12px;
    }

    .question-top {
        grid-template-columns: 1fr;
    }

    .question-cat-img {
        justify-self: start;
    }

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

    .question-confirm-btn {
        align-self: flex-start;
    }
}

@media (max-width: 900px) and (orientation: landscape) {
    .settings-window,
    .question-window,
    .eval-window,
    .toss-window,
    .logo-window {
        max-height: calc(100dvh - 8px);
    }

    .settings-body {
        min-height: 0;
    }

    .settings-main-row {
        min-height: 46px;
        padding: 8px 10px;
    }

    .settings-main-label,
    .settings-inline-option {
        font-size: 15px;
    }

    .settings-main-options {
        gap: 10px;
    }

    .settings-summary {
        gap: 8px;
    }

    .settings-summary-row {
        min-height: 48px;
    }

    .settings-toolbar .classic-image-btn img {
        width: clamp(122px, 21vw, 172px);
    }

    .settings-dialog-layer {
        align-items: flex-start;
        overflow-y: auto;
    }

    .settings-dialog,
    .settings-dialog-wide,
    .settings-dialog-narrow {
        max-height: calc(100dvh - 12px);
    }

    .settings-dialog-body {
        max-height: calc(100dvh - 76px);
    }

    .question-top {
        grid-template-columns: 74px minmax(0, 1fr);
    }

    .question-cat-img {
        width: 72px;
        height: 68px;
    }

    .question-text {
        min-height: 82px;
        max-height: 26vh;
        overflow-y: auto;
    }

    .answer-buttons {
        gap: 10px;
    }

    .answer-option {
        min-height: 44px;
        font-size: 15px;
    }
}

/* ---------- Google Font fallback ---------- */
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;800&display=swap');