/* ── رموز التصميم ── */
:root {
  --bg: #0F172A;
  --bg-deep: #070c17;
  --card: rgba(255, 255, 255, 0.045);
  --card-hi: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #F1F5F9;
  --muted: #94A3B8;
  --red: #DC2626;
  --red-soft: #F87171;
  --blue: #2563EB;
  --blue-soft: #60A5FA;
  --green: #22C55E;
  --green-soft: #4ADE80;
  --gold: #FBBF24;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 10px 34px rgba(0, 0, 0, 0.45);
  --pixel-shadow: 4px 4px 0 rgba(0, 0, 0, 0.55);
  --font-display: 'Handjet', 'IBM Plex Sans Arabic', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans Arabic', 'Segoe UI', system-ui, sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.locked { overflow: hidden; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 800; letter-spacing: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }
.hidden { display: none !important; }

/* خلفية نيون + CRT */
.glow {
  position: fixed; inset: -30% -10% auto -10%; height: 65vh; pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse 45% 60% at 22% 0%, rgba(37, 99, 235, 0.35), transparent 70%),
    radial-gradient(ellipse 40% 55% at 80% 5%, rgba(220, 38, 38, 0.22), transparent 70%);
  filter: blur(6px);
}
.crt {
  position: fixed; inset: 0; pointer-events: none; z-index: 60; opacity: 0.5;
  background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.028) 0 1px, transparent 1px 3px);
}

/* ── الأزرار ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.6rem 1.1rem; border-radius: 10px; font-size: 0.9rem; font-weight: 700;
  border: 1.5px solid transparent; cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease, border-color 0.2s;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn:focus-visible, .seg-btn:focus-visible, .dpad-btn:focus-visible, .switch:focus-visible, [data-close]:focus-visible {
  outline: 3px solid var(--blue-soft); outline-offset: 2px;
}
.btn-primary {
  background: linear-gradient(180deg, #34d399, var(--green)); color: #052e16;
  border-color: #15803d; box-shadow: var(--pixel-shadow);
}
.btn-primary:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.6); }
.btn-primary:active { transform: translate(1px, 1px); box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.6); }
.btn-ghost { background: var(--card); border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover { background: var(--card-hi); transform: translateY(-2px); border-color: var(--blue-soft); }
.btn-lg { padding: 0.85rem 2rem; font-size: 1.05rem; }
.btn-icon { padding: 0.55rem; aspect-ratio: 1; }

/* ── الشريط العلوي ── */
.navbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.7rem 1.5rem;
  background: rgba(7, 12, 23, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand-mark {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(140deg, rgba(37, 99, 235, 0.35), rgba(34, 197, 94, 0.25));
  border: 1px solid var(--border-strong); color: var(--green-soft);
  box-shadow: inset 0 0 14px rgba(34, 197, 94, 0.25);
}
.brand-mark svg { width: 20px; height: 20px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font-family: var(--font-display); font-size: 1.35rem; font-weight: 800; }
.brand-text small { font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.22em; color: var(--muted); }
.nav-actions { display: flex; align-items: center; gap: 0.5rem; }

/* ── التخطيط ── */
.shell {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1fr) 336px; gap: 1.5rem;
  max-width: 1160px; margin: 0 auto; padding: 1.5rem;
  align-items: start;
}
.stage { display: flex; flex-direction: column; gap: 1rem; }
.board-wrap {
  position: relative; width: 100%; max-width: 640px; margin: 0 auto; aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-strong);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6), 0 0 70px rgba(37, 99, 235, 0.25), var(--shadow);
  background: var(--bg-deep);
}
#board { display: block; width: 100%; height: 100%; touch-action: none; }
.scanlines {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.45; z-index: 4;
  background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 4px);
  animation: scan 7s linear infinite;
}
@keyframes scan { from { background-position-y: 0; } to { background-position-y: 40px; } }

/* ── طبقات اللوحة ── */
.overlay {
  position: absolute; inset: 0; z-index: 6; display: grid; place-items: center; padding: 1.25rem;
  background: rgba(7, 12, 23, 0.9); backdrop-filter: blur(6px); text-align: center;
  animation: fadeUp 0.25s ease;
}
.ov-inner { display: flex; flex-direction: column; align-items: center; gap: 0.65rem; max-width: 440px; }
.ov-kicker { font-family: var(--font-display); font-size: 0.8rem; letter-spacing: 0.3em; color: var(--green-soft); }
.ov-title { font-size: clamp(2.2rem, 7vw, 3.2rem); line-height: 1.05; text-shadow: 0 0 22px rgba(34, 197, 94, 0.45); }
.ov-title.sm { font-size: clamp(1.7rem, 5vw, 2.2rem); }
.ov-sub { color: var(--muted); font-size: 0.95rem; }
.ov-hint { color: var(--muted); font-size: 0.78rem; line-height: 1.9; }
.ov-icon { width: 44px; height: 44px; color: var(--gold); }
.ov-icon.danger { color: var(--red-soft); }
.ov-row { display: flex; gap: 0.6rem; flex-wrap: wrap; justify-content: center; margin-top: 0.35rem; }
.ov-record { display: flex; align-items: center; gap: 0.4rem; color: var(--gold); font-weight: 700; font-size: 0.9rem; }
.ov-record svg { width: 18px; height: 18px; }
.over-stats { display: flex; gap: 1.6rem; margin: 0.3rem 0; }
.over-stats div { display: flex; flex-direction: column; align-items: center; }
.over-stats span { font-family: var(--font-display); font-size: 2rem; line-height: 1; color: var(--green-soft); }
.over-stats small { color: var(--muted); font-size: 0.74rem; }
kbd {
  display: inline-block; padding: 0.02rem 0.4rem; margin: 0 1px;
  border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 5px;
  background: var(--card); font-family: var(--font-display); font-size: 0.95rem; color: var(--text);
}

/* ── اختيار الصعوبة ── */
.seg {
  display: inline-flex; gap: 0.3rem; padding: 0.28rem; border-radius: 999px;
  background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border);
}
.seg-full { width: 100%; display: flex; }
.seg-btn {
  flex: 1; padding: 0.42rem 0.9rem; border: none; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--muted); font-weight: 700; font-size: 0.85rem;
  transition: color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.seg-btn:hover { color: var(--text); transform: translateY(-1px); }
.seg-btn.active {
  background: linear-gradient(180deg, var(--blue-soft), var(--blue));
  color: #06122b; box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
}

/* ── اللوحة الجانبية ── */
.panel { display: flex; flex-direction: column; gap: 1rem; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.stat {
  display: flex; flex-direction: column; gap: 0.1rem; padding: 0.7rem 0.9rem;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  backdrop-filter: blur(12px); transition: transform 0.2s ease, border-color 0.2s ease;
}
.stat:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.stat-label { font-size: 0.74rem; color: var(--muted); }
.stat-value {
  font-family: var(--font-display); font-size: 2rem; line-height: 1.05; font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.stat-value.green { color: var(--green-soft); text-shadow: 0 0 16px rgba(34, 197, 94, 0.4); }
.card {
  padding: 1rem 1.1rem; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--border); backdrop-filter: blur(12px);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.card-head { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.7rem; font-weight: 700; font-size: 0.95rem; }
.card-head svg { width: 18px; height: 18px; color: var(--green-soft); }
.card-note { font-size: 0.8rem; color: var(--muted); margin-top: 0.6rem; }
.actions { display: flex; gap: 0.6rem; }
.actions .btn { flex: 1; }

/* ── القواعد السريعة ── */
.legend { display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.82rem; }
.legend li { display: flex; align-items: center; gap: 0.55rem; color: var(--muted); }
.legend b { color: var(--text); }
.legend .dot { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.dot.red { background: var(--red); box-shadow: 0 0 10px var(--red); }
.dot.gold { background: var(--gold); box-shadow: 0 0 10px var(--gold); }
.dot.blue { background: var(--blue-soft); box-shadow: 0 0 10px var(--blue); }
.dot.slate { background: #475569; box-shadow: 0 0 10px rgba(148, 163, 184, 0.5); }

/* ── لوحة التحكم بالجوال ── */
.dpad {
  display: grid; gap: 0.4rem; justify-content: center; margin-top: 0.7rem;
  grid-template-columns: repeat(3, 54px); grid-template-rows: repeat(2, 54px);
}
.dpad-btn {
  display: grid; place-items: center; border-radius: 12px; cursor: pointer;
  background: var(--card-hi); border: 1px solid var(--border-strong); color: var(--text);
  transition: transform 0.12s ease, background 0.15s ease, color 0.15s ease;
}
.dpad-btn svg { width: 20px; height: 20px; }
.dpad-btn:hover { border-color: var(--blue-soft); }
.dpad-btn:active { background: var(--blue); color: #06122b; transform: scale(0.94); }
.dpad-btn.up { grid-area: 1 / 2; }
.dpad-btn.left { grid-area: 2 / 1; }
.dpad-btn.down { grid-area: 2 / 2; }
.dpad-btn.right { grid-area: 2 / 3; }
.touch-card { display: none; }

/* ── المودالات ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 70; display: grid; place-items: center; padding: 1rem;
  background: rgba(4, 7, 14, 0.76); backdrop-filter: blur(5px); animation: fadeUp 0.2s ease;
}
.modal {
  width: 100%; max-width: 460px; padding: 1.35rem; border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #111c31, #0a1120);
  border: 1px solid var(--border-strong); box-shadow: var(--shadow);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 0.4rem; }
.modal-head .card-head { margin: 0; }
.modal-foot { display: flex; justify-content: flex-end; gap: 0.6rem; margin-top: 1.1rem; }
.setting-row {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.7rem 0; border-bottom: 1px dashed var(--border);
}
.setting-row b { display: block; font-size: 0.92rem; }
.setting-row small { color: var(--muted); font-size: 0.78rem; }
.switch {
  width: 52px; height: 28px; flex: none; padding: 3px; border-radius: 999px; cursor: pointer;
  background: rgba(255, 255, 255, 0.08); border: 1px solid var(--border-strong);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.switch span {
  display: block; width: 20px; height: 20px; border-radius: 50%;
  background: var(--muted); transition: transform 0.22s ease, background 0.2s ease;
}
.switch.on { background: rgba(34, 197, 94, 0.32); border-color: var(--green); }
.switch.on span { transform: translateX(-22px); background: var(--green-soft); }

/* ── سجل النتائج ── */
.leaders { display: flex; flex-direction: column; gap: 0.4rem; margin-top: 0.6rem; }
.leaders li {
  display: flex; align-items: center; gap: 0.7rem; padding: 0.5rem 0.7rem;
  border-radius: 10px; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border);
}
.leaders .rank {
  display: grid; place-items: center; width: 26px; height: 26px; border-radius: 7px;
  background: var(--card-hi); font-family: var(--font-display); font-size: 1.05rem;
}
.leaders li:nth-child(1) .rank { background: var(--gold); color: #3b2a04; }
.leaders li:nth-child(2) .rank { background: #cbd5e1; color: #1e293b; }
.leaders li:nth-child(3) .rank { background: #d97706; color: #2a1a02; }
.leaders .pts {
  font-family: var(--font-display); font-size: 1.35rem; color: var(--green-soft);
  font-variant-numeric: tabular-nums;
}
.leaders .meta { margin-inline-start: auto; color: var(--muted); font-size: 0.75rem; }
.leader-empty { justify-content: center; color: var(--muted); padding: 1.2rem; }
.leader-empty svg { width: 18px; height: 18px; }

/* ── التنبيهات ── */
.toast-wrap {
  position: fixed; inset-block-end: 1.2rem; inset-inline-start: 1.2rem; z-index: 80;
  display: flex; flex-direction: column; gap: 0.5rem; pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 0.5rem; padding: 0.6rem 1rem; border-radius: 12px;
  font-size: 0.86rem; font-weight: 600; background: rgba(15, 23, 42, 0.96);
  border: 1px solid var(--border-strong); box-shadow: var(--shadow);
  animation: fadeUp 0.25s ease; transition: opacity 0.4s ease, transform 0.4s ease;
}
.toast.out { opacity: 0; transform: translateY(10px); }
.toast svg { width: 17px; height: 17px; }
.toast.success { border-color: rgba(34, 197, 94, 0.55); color: var(--green-soft); }
.toast.warn { border-color: rgba(251, 191, 36, 0.55); color: var(--gold); }
.toast.error { border-color: rgba(248, 113, 113, 0.55); color: var(--red-soft); }

.footer {
  position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 0.5rem;
  justify-content: center; padding: 1.2rem 1rem 2.5rem;
  color: var(--muted); font-size: 0.8rem; text-align: center;
}
.footer b { color: var(--text); }

/* ── الحركات ── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.fade-up { animation: fadeUp 0.5s ease both; }
.delay-1 { animation-delay: 0.08s; }

/* ── التجاوب ── */
@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  .panel { order: 2; }
  .touch-card { display: block; }
  .board-wrap { max-width: 520px; }
}
@media (max-width: 640px) {
  .navbar { padding: 0.6rem 0.9rem; gap: 0.5rem; }
  .brand-text small { display: none; }
  .nav-actions .btn { padding: 0.5rem 0.7rem; font-size: 0.82rem; }
  .shell { padding: 1rem 0.85rem; gap: 1rem; }
  .board-wrap { max-width: none; border-radius: 16px; }
  .ov-title { font-size: 2.2rem; }
  .ov-hint { font-size: 0.72rem; }
  .over-stats { gap: 1.1rem; }
  .stat-value { font-size: 1.7rem; }
  .toast-wrap { inset-inline: 0.8rem; inset-block-end: 0.9rem; }
  .footer { font-size: 0.74rem; padding-bottom: 1.8rem; }
}
@media (max-width: 380px) {
  .stats { grid-template-columns: 1fr; }
  .dpad { grid-template-columns: repeat(3, 48px); grid-template-rows: repeat(2, 48px); }
}

/* ── احترام تفضيل تقليل الحركة ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .scanlines { animation: none; }
}