:root {
    --bg: #000000;
    --surface: rgba(22, 22, 23, 0.8);
    --surface-hover: rgba(28, 28, 30, 0.9);
    --surface-solid: #161617;
    --border: rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.15);
    --text: #f5f5f7;
    --text-muted: #86868b;
    --accent: #0071e3;
    --accent-hover: #147ce5;
    --success: #30d158;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --ease: cubic-bezier(0.25, 1, 0.5, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg);
    background-image: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 113, 227, 0.18), transparent);
    background-repeat: no-repeat;
    color: var(--text);
    font-family: "IBM Plex Sans Arabic", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* ===== الشريط العلوي ===== */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.brand { font-weight: 700; font-size: 18px; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }

/* ===== الأزرار والقوائم ===== */
.btn-primary, .btn-ghost, .btn-play {
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    font-size: 14px;
    transition: background 0.2s ease, transform 0.2s var(--ease);
}

.btn-primary { background: var(--accent); color: #fff; padding: 8px 18px; border-radius: 20px; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-ghost { background: rgba(255, 255, 255, 0.08); color: var(--text); padding: 8px 16px; border-radius: var(--radius-sm); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.15); }

.select {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border-strong);
    padding: 6px 12px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ===== الحاوية والعنوان ===== */
.container { max-width: 1080px; margin: 0 auto; padding: 40px 20px; }

.hero { text-align: center; margin-block: 24px 40px; }

.hero h1 {
    font-size: clamp(32px, 6vw, 52px);
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
    background: linear-gradient(180deg, #ffffff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
}

.hero p { font-size: 19px; color: var(--text-muted); max-width: 600px; margin: 0 auto 28px; }

/* ===== البحث ===== */
.search-wrap { position: relative; max-width: 520px; margin: 0 auto; }

.search-icon {
    position: absolute;
    inset-inline-start: 16px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.6;
}

#search {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    color: var(--text);
    font-family: inherit;
    font-size: 16px;
    padding: 14px 20px;
    padding-inline-start: 46px;
    border-radius: 999px;
    backdrop-filter: blur(20px);
}

/* ===== التبويبات والفلاتر ===== */
.tabs {
    display: flex;
    gap: 4px;
    justify-content: center;
    background: var(--surface-solid);
    padding: 4px;
    border-radius: 999px;
    width: fit-content;
    margin: 0 auto 24px;
}

.tab {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.25s var(--ease);
}

.tab.active { background: rgba(255, 255, 255, 0.12); color: var(--text); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 32px; }

.chip {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 13px;
    padding: 6px 14px;
    border-radius: 999px;
    cursor: pointer;
}

.chip.active { background: var(--text); color: #000; border-color: var(--text); }

/* ===== شبكة الألعاب ===== */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
}

.game-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    backdrop-filter: blur(20px);
    transition: all 0.4s var(--ease);
}

.game-card:hover, .game-card:focus-visible {
    transform: scale(1.03);
    background: var(--surface-hover);
    border-color: var(--border-strong);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    background: #0d0d0e;
    display: grid;
    place-items: center;
    font-size: 54px;
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    image-rendering: pixelated; /* حفاظاً على حدّة البكسل */
}

.badge {
    position: absolute;
    top: 10px;
    inset-inline-start: 10px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 6px;
    letter-spacing: 0.5px;
}

.card-body { padding: 18px 20px 22px; text-align: center; }
.card-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.meta { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }

.btn-play {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 8px 18px;
    border-radius: 20px;
}

.game-card:hover .btn-play { background: var(--accent-hover); }

/* ===== منطقة سحب الملفات (BYOR) ===== */
.dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    border: 2px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    margin-bottom: 32px;
    text-align: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s var(--ease);
}

.dropzone strong { color: var(--text); font-size: 18px; }
.dropzone-icon { font-size: 42px; }
.dropzone.dragover { border-color: var(--accent); background: rgba(0, 113, 227, 0.08); }

.empty { text-align: center; color: var(--text-muted); margin-bottom: 24px; }

/* ===== التحديات ===== */
.challenge-card {
    max-width: 560px;
    margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
}

.challenge-badge {
    display: inline-block;
    background: rgba(48, 209, 88, 0.15);
    color: var(--success);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.leaderboard { list-style: none; margin-top: 20px; text-align: start; }

.leaderboard li {
    display: flex;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
}

.leaderboard li:nth-child(odd) { background: rgba(255, 255, 255, 0.04); }

/* ===== المشغّل ===== */
.player-shell {
    max-width: 960px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
    border: 1px solid var(--border);
}

.controls-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
    background: var(--surface-solid);
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
}

.controls-bar h2 { font-size: 16px; font-weight: 600; }
.custom-controls-selector { font-size: 14px; color: var(--text-muted); }
.custom-controls-selector .select { margin-inline-start: 8px; }

#emulator {
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: calc(100vh - 160px);
    background: #000;
}

.player-hint { text-align: center; color: var(--text-muted); font-size: 13px; margin-top: 16px; }

/* ===== الإشعارات ===== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translate(-50%, 120px);
    background: rgba(28, 28, 30, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-strong);
    padding: 12px 20px;
    border-radius: 14px;
    font-size: 14px;
    z-index: 100;
    transition: transform 0.4s var(--ease);
    max-width: calc(100% - 32px);
}

.toast.show { transform: translate(-50%, 0); }

/* ===== التذييل ===== */
.site-footer {
    margin-top: 80px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
}

.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-top: 10px; }
.site-footer a:hover { color: var(--text); }

/* ===== الهواتف ===== */
@media (max-width: 600px) {
    .container { padding: 24px 16px; }
    .hero p { font-size: 16px; }
    .games-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .card-body { padding: 12px; }
    .card-body h3 { font-size: 15px; }
    .meta, .btn-play { display: none; }
    .player-shell { border-radius: 0; margin-inline: -16px; }
    #emulator { aspect-ratio: auto; height: 70vh; }
    .brand span { display: none; }
}

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

/* إخفاء أزرار اللمس عند توصيل ذراع تحكم (صنف داخلي في EmulatorJS 4.2.3) */
body.has-gamepad .ejs_virtualGamepad_parent { display: none !important; }

/* ===== M1: إدارة المكتبة ===== */
.card-actions { display: flex; gap: 8px; justify-content: center; margin-top: 12px; }

.btn-mini {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    border: none;
    border-radius: 8px;
    padding: 4px 12px;
    font-family: inherit;
    font-size: 12px;
    cursor: pointer;
}

.btn-mini:hover { background: rgba(255, 255, 255, 0.16); }

.storage-info { text-align: center; color: var(--text-muted); font-size: 13px; margin-top: 24px; }

.search-icon { pointer-events: none; color: var(--text); z-index: 1; }

/* ===== نوافذ التفاصيل والذراع والتثبيت ===== */
.sheet {
    background: var(--surface-solid);
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 0;
    width: min(92vw, 480px);
    max-height: 90vh;
    overflow: auto;
    margin: auto;
}

.sheet::backdrop { background: rgba(0, 0, 0, 0.7); backdrop-filter: blur(6px); }

.sheet-cover { aspect-ratio: 16 / 10; max-height: 32vh; background: #0d0d0e; }
.sheet-cover img { width: 100%; height: 100%; object-fit: cover; image-rendering: pixelated; display: block; }
.sheet-body { padding: 24px; }
.sheet-body h2 { font-size: 22px; margin-bottom: 16px; }

.sheet-meta { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin-bottom: 24px; font-size: 14px; }
.sheet-meta dt { color: var(--text-muted); }
.sheet-meta a { color: var(--accent); }
.sheet-meta a:hover { text-decoration: underline; }

.sheet-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.sheet-actions .btn-primary { padding: 10px 24px; }

.pad-select-row { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-size: 14px; }
.pad-rows { display: grid; gap: 4px; }

.pad-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 12px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.pad-row:nth-child(odd) { background: rgba(255, 255, 255, 0.04); }
.pad-row code { color: var(--text-muted); font-size: 13px; min-width: 3ch; text-align: center; }
.pad-game-row { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-size: 14px; }

.ios-steps { list-style: none; display: grid; gap: 16px; }
.ios-steps li { display: flex; align-items: center; gap: 16px; font-size: 15px; }
.ios-steps svg { flex: none; color: var(--accent); }

/* ===== تلميح تدوير الهاتف (بالعرض فقط على الأجهزة اللمسية) ===== */
.rotate-hint { display: none; text-align: center; color: var(--text-muted); font-size: 14px; margin-top: 12px; }

@media (orientation: portrait) and (pointer: coarse) {
    .rotate-hint { display: block; }
}

#view-player[hidden] .rotate-hint { display: none; }

@media (max-width: 600px) {
    .topbar-inner { padding: 10px 12px; }
    .topbar-actions { gap: 6px; }
    .topbar-actions .btn-ghost, .topbar-actions .btn-primary { padding: 6px 10px; font-size: 13px; }
    .card-actions { margin-top: 8px; }
}

/* ===== M2: الحساب والحفظ ===== */
.field { display: grid; gap: 6px; margin-top: 16px; font-size: 14px; color: var(--text-muted); }

.input {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-family: inherit;
    font-size: 16px;
}

.form-msg { margin-top: 12px; font-size: 13px; color: var(--text-muted); overflow-wrap: anywhere; }
.form-msg a { color: var(--accent); text-decoration: underline; }

.slots-list { display: grid; gap: 8px; margin-bottom: 8px; }

.slot-row {
    display: grid;
    grid-template-columns: 72px 1fr auto auto;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.04);
}

.slot-thumb { aspect-ratio: 10 / 9; background: #0d0d0e; border-radius: 6px; overflow: hidden; }
.slot-thumb img { width: 100%; height: 100%; object-fit: cover; image-rendering: pixelated; display: block; }
.slot-info { display: grid; font-size: 13px; color: var(--text-muted); min-width: 0; }
.slot-info strong { color: var(--text); font-size: 14px; }
.slot-row .btn-primary, .slot-row .btn-ghost { padding: 6px 12px; font-size: 13px; }

@media (max-width: 600px) {
    .slot-row { grid-template-columns: 56px 1fr; }
    .slot-row button { grid-column: span 1; }
}

/* ===== M3: الأسعار ===== */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; align-items: stretch; }

.plan {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px 20px;
}

.plan.featured { border-color: var(--accent); }
.plan.current { box-shadow: 0 0 0 2px var(--success) inset; }
.plan h2 { font-size: 20px; }
.plan-price { font-size: 30px; font-weight: 700; min-height: 1.4em; }
.plan-price small { font-size: 13px; font-weight: 400; color: var(--text-muted); }
.plan ul { list-style: none; display: grid; gap: 8px; flex: 1; font-size: 14px; color: #c7c7cc; }
.plan li::before { content: "✓"; color: var(--success); margin-inline-end: 8px; }
.plan-cta { padding: 10px 16px; text-align: center; }
.plan-cta:disabled { opacity: 0.55; cursor: not-allowed; }
a.btn-primary, a.btn-ghost { display: inline-block; }
.form-msg.center { text-align: center; margin: 16px 0 8px; }

/* مشتركو Plus/Pro: لا مساحات إعلانية */
.no-ads .ad-slot { display: none !important; }

/* ===== M5: الهاتف كذراع تحكم ===== */
.phone-qr-wrap { display: grid; place-items: center; margin: 12px 0; }
.phone-qr-wrap img { background: #fff; padding: 8px; border-radius: 12px; image-rendering: pixelated; }
.phone-code { text-align: center; color: var(--text-muted); }
.phone-code strong { color: var(--text); letter-spacing: 4px; font-size: 20px; margin-inline-start: 6px; }
.phone-players { list-style: none; display: grid; gap: 6px; margin-top: 8px; font-size: 14px; }
.phone-players li { background: rgba(255, 255, 255, 0.05); padding: 8px 12px; border-radius: var(--radius-sm); }

/* ===== M6: التحديات ===== */
.score-form { display: grid; gap: 4px; margin-top: 24px; text-align: start; }
.challenge-card h4 { margin: 24px 0 8px; font-size: 15px; }
.challenge-card .btn-primary { margin-top: 12px; }
.leaderboard li strong { font-variant-numeric: tabular-nums; }

/* عناصر لها display صريح يجب أن تحترم خاصية hidden */
[hidden] { display: none !important; }

/* ===== M8: الإعلانات والموافقة ===== */
.ad-slot { min-height: 0; margin: 32px auto 0; max-width: 970px; text-align: center; }
.ad-slot[data-filled] { min-height: 90px; }

.consent-banner {
    position: fixed; inset-inline: 12px; bottom: max(12px, env(safe-area-inset-bottom)); z-index: 90;
    max-width: 720px; margin-inline: auto;
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px;
    background: rgba(28, 28, 30, 0.97); backdrop-filter: blur(20px);
    border: 1px solid var(--border-strong); border-radius: var(--radius-md); padding: 16px 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}
.consent-banner p { color: var(--text-muted); font-size: 13px; margin-top: 4px; max-width: 46ch; }
.consent-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.store-links { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin: 12px 0; }
#store-links { margin-top: 12px; }
#pad-shop { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--border); }
#pad-shop h3 { font-size: 15px; margin-bottom: 4px; }

/* ===== M9: أداء (تقليل اهتزاز التخطيط) ===== */
#catalog-grid { min-height: 70vh; }
.chips { min-height: 34px; }
.card-body h3 { font-size: 18px; }

/* نصوص الواجهة تُملأ بالجافاسكربت (i18n): نحجز مساحتها كي لا تتحرك العناصر عند ظهورها */
.hero h1 { min-height: 2.4em; }
.hero p { min-height: 3.4em; }
.topbar-actions { min-width: 140px; justify-content: flex-end; }
.tabs { min-height: 44px; }
.btn-primary, .btn-ghost { min-height: 34px; }