/* ══ سلايم: نهضة تيمبست — نظام التصميم ══ */
:root {
  --bg:            #070b14;
  --bg-2:          #0b1120;
  --bg-panel:      rgba(14, 21, 37, .92);
  --bg-card:       rgba(255, 255, 255, .05);
  --bg-hover:      rgba(255, 255, 255, .09);
  --border:        rgba(255, 255, 255, .09);
  --border-strong: rgba(255, 255, 255, .18);

  --text:          #eef3fb;
  --text-muted:    #93a1bb;

  --accent:        #38bdf8;   /* أزرق ريمورو */
  --accent-2:      #2563eb;
  --accent-deep:   #0369a1;
  --accent-grad:   linear-gradient(135deg, #38bdf8, #2563eb);
  --gold:          #fbbf24;   /* تيمبست */
  --success:       #22c55e;
  --danger:        #f43f5e;
  --violet:        #8b5cf6;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow:    0 6px 28px rgba(0, 0, 0, .45);
  --shadow-lg: 0 18px 60px rgba(0, 0, 0, .6);

  --head: 'Reem Kufi', 'Cairo', ui-sans-serif, system-ui, sans-serif;
  --body: 'Cairo', ui-sans-serif, system-ui, sans-serif;

  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  min-height: 100dvh;
  font-family: var(--body);
  color: var(--text);
  background:
    radial-gradient(ellipse at 50% -10%, rgba(56, 189, 248, .18), transparent 55%),
    radial-gradient(ellipse at 85% 110%, rgba(139, 92, 246, .16), transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.glow {
  position: fixed; inset: -30% -10% auto -10%; height: 60vh; pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, rgba(56, 189, 248, .22), transparent 62%);
  filter: blur(10px);
}

h1, h2, h3, .brand-text strong { font-family: var(--head); font-weight: 700; letter-spacing: 0; line-height: 1.25; }

kbd {
  font-family: var(--body); font-size: .72rem; font-weight: 700;
  padding: .18rem .5rem; border-radius: 6px;
  background: rgba(255, 255, 255, .1); border: 1px solid var(--border-strong);
  color: var(--text); white-space: nowrap;
}

b { font-weight: 800; }

/* ══ الشريط العلوي ══ */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .7rem 1.25rem;
  background: rgba(7, 11, 20, .82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: .7rem; min-width: 0; }
.brand-mark { display: grid; place-items: center; filter: drop-shadow(0 0 14px rgba(56, 189, 248, .55)); }
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-text strong { font-size: 1.15rem; }
.brand-text small { color: var(--text-muted); font-size: .72rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-actions { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; justify-content: flex-end; }

/* ══ أزرار ══ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  padding: .6rem 1.15rem; border-radius: 999px; border: none; cursor: pointer;
  font-family: var(--body); font-size: .88rem; font-weight: 700; color: var(--text);
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .2s ease, opacity .2s ease;
}
.btn svg { width: 17px; height: 17px; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent-grad); color: #05121c; box-shadow: 0 6px 26px rgba(56, 189, 248, .32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 38px rgba(56, 189, 248, .46); }
.btn-ghost { background: transparent; border: 1.5px solid var(--border-strong); }
.btn-ghost:hover { background: var(--bg-hover); transform: translateY(-2px); }
.btn-sm { padding: .42rem .85rem; font-size: .8rem; }
.btn-lg { padding: .85rem 1.7rem; font-size: 1rem; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }

/* ══ شارات ══ */
.badge {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .74rem; font-weight: 700; padding: .3rem .7rem; border-radius: 999px;
  background: rgba(56, 189, 248, .14); color: #7dd3fc;
  border: 1px solid rgba(56, 189, 248, .25);
}
.badge svg { width: 14px; height: 14px; }
.badge.gold { background: rgba(251, 191, 36, .13); color: var(--gold); border-color: rgba(251, 191, 36, .28); }
.badge.green { background: rgba(34, 197, 94, .14); color: #4ade80; border-color: rgba(34, 197, 94, .3); }
.badge.red { background: rgba(244, 63, 94, .14); color: #fb7185; border-color: rgba(244, 63, 94, .3); }

/* ══ ساحة اللعب ══ */
.stage {
  position: relative; z-index: 1;
  width: min(1180px, 100%);
  margin: 1rem auto 0;
  padding: 0 1rem;
}
canvas#game {
  display: block; width: 100%; height: auto;
  aspect-ratio: 960 / 600;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: #060a12;
  box-shadow: var(--shadow-lg), inset 0 0 90px rgba(56, 189, 248, .06);
  touch-action: none;
}

/* ══ HUD ══ */
.hud {
  position: absolute; inset: 1rem 1rem auto 1rem;
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: .6rem; pointer-events: none;
}
.glass {
  background: rgba(9, 14, 25, .68);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  padding: .6rem .8rem;
  box-shadow: var(--shadow);
}
.vitals { width: min(300px, 46vw); display: grid; gap: .3rem; }
.vitals-top { display: flex; justify-content: space-between; font-size: .72rem; color: var(--text-muted); }
.vitals-top b { color: var(--text); }

.bar { position: relative; height: 13px; border-radius: 999px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.bar .fill { position: absolute; inset: 0 auto 0 0; width: 100%; border-radius: 999px; transition: width .18s ease; }
.bar label {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: .6rem; font-weight: 700; color: #fff; text-shadow: 0 1px 3px rgba(0, 0, 0, .8);
  letter-spacing: .02em;
}
.bar.hp .fill { background: linear-gradient(90deg, #f43f5e, #fb7185); }
.bar.mp .fill { background: linear-gradient(90deg, #2563eb, #38bdf8); }
.bar.xp { height: 8px; }
.bar.xp .fill { background: linear-gradient(90deg, #a16207, #fbbf24); }
.bar.xp label { font-size: .55rem; }

.scores { display: flex; gap: .9rem; }
.score { display: flex; flex-direction: column; align-items: center; min-width: 54px; }
.score span { font-size: .62rem; color: var(--text-muted); }
.score b { font-size: 1rem; font-weight: 800; }

/* ══ شريط المهارات ══ */
.skillbar {
  position: absolute; inset: auto 1rem 1rem 1rem;
  display: flex; gap: .45rem; flex-wrap: wrap; pointer-events: none;
}
.skill {
  display: flex; align-items: center; gap: .4rem;
  padding: .4rem .65rem; border-radius: 999px; font-size: .72rem; font-weight: 700;
  background: rgba(9, 14, 25, .72); border: 1px solid var(--border);
  backdrop-filter: blur(10px); color: var(--text);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.skill svg { width: 15px; height: 15px; color: var(--accent); }
.skill kbd { font-size: .6rem; padding: .1rem .35rem; }
.skill small { color: var(--text-muted); font-size: .62rem; }
.skill.locked { opacity: .42; }
.skill.locked svg { color: var(--text-muted); }
.skill.ready { border-color: rgba(56, 189, 248, .55); box-shadow: 0 0 18px rgba(56, 189, 248, .22); }
.skill.flash { transform: scale(1.09); border-color: var(--gold); box-shadow: 0 0 26px rgba(251, 191, 36, .5); }
.skill .cd { font-size: .62rem; color: var(--gold); font-weight: 800; }

/* ══ الطبقات العلوية (القوائم) ══ */
.overlay {
  position: absolute; inset: 0; z-index: 20;
  display: none; align-items: center; justify-content: center;
  padding: 1rem; border-radius: var(--radius-lg);
  background: rgba(4, 7, 14, .78);
  backdrop-filter: blur(7px);
  overflow-y: auto;
}
.overlay.show { display: flex; animation: fadeIn .25s ease; }

.panel {
  width: min(680px, 100%);
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  animation: fadeUp .35s ease;
  text-align: center;
}
.panel-wide { width: min(900px, 100%); text-align: right; }
.panel-sm { width: min(420px, 100%); padding: 1.5rem; }
.panel h1 { font-size: clamp(1.7rem, 4.4vw, 2.6rem); margin: .7rem 0 .6rem; }
.panel h2 { font-size: clamp(1.3rem, 3vw, 1.8rem); margin-bottom: .5rem; display: flex; align-items: center; gap: .5rem; }
.panel h2 svg, .panel h3 svg { width: 20px; height: 20px; color: var(--accent); }
.panel h3 { font-size: 1.02rem; margin-bottom: .5rem; display: flex; align-items: center; gap: .4rem; }
.lead { color: var(--text-muted); font-size: .95rem; line-height: 1.9; margin-bottom: 1.1rem; }
.lead b { color: #7dd3fc; }
.mt { margin-top: 1.3rem; }

/* ══ اختيار الصعوبة ══ */
.pick { margin: 1.1rem 0 1.3rem; display: grid; gap: .5rem; justify-items: center; }
.pick-label { font-size: .74rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .1em; font-weight: 700; }
.seg { display: inline-flex; gap: .2rem; padding: .25rem; border-radius: 999px; background: rgba(255, 255, 255, .05); border: 1px solid var(--border); }
.seg-btn {
  border: none; background: transparent; cursor: pointer; color: var(--text-muted);
  font-family: var(--body); font-weight: 700; font-size: .82rem;
  padding: .45rem 1.1rem; border-radius: 999px; transition: all .2s;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.active { background: var(--accent-grad); color: #05121c; box-shadow: 0 4px 18px rgba(56, 189, 248, .35); }

.menu-actions { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; margin-top: 1.2rem; }

/* ══ شريط الأرقام ══ */
.stats-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: .6rem; margin-top: 1.5rem;
}
.stats-strip > div {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: .7rem .6rem; display: grid; gap: .15rem;
  animation: fadeUp .5s ease backwards;
}
.stats-strip > div:nth-child(2) { animation-delay: .06s; }
.stats-strip > div:nth-child(3) { animation-delay: .12s; }
.stats-strip > div:nth-child(4) { animation-delay: .18s; }
.stats-strip span { font-size: .68rem; color: var(--text-muted); }
.stats-strip b { font-size: 1.25rem; font-weight: 800; color: var(--gold); }

/* ══ بطاقات التعليمات ══ */
.help-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: .8rem; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.1rem; backdrop-filter: blur(10px);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.keys { list-style: none; display: grid; gap: .5rem; }
.keys li { display: flex; align-items: flex-start; gap: .5rem; font-size: .82rem; color: var(--text-muted); }
.keys li > span, .keys li > b { color: var(--text); font-size: .8rem; }

/* ══ جدول المهارات ══ */
.skill-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .82rem; }
.skill-table th, .skill-table td { padding: .55rem .7rem; text-align: right; border-bottom: 1px solid var(--border); }
.skill-table th { color: var(--accent); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
.skill-table td:first-child { font-weight: 700; color: var(--text); }
.skill-table td { color: var(--text-muted); }
.skill-table tbody tr:hover { background: rgba(255, 255, 255, .04); }

.tip {
  display: flex; align-items: flex-start; gap: .5rem;
  margin: 1.1rem 0; padding: .8rem 1rem; border-radius: var(--radius);
  background: rgba(251, 191, 36, .1); border: 1px solid rgba(251, 191, 36, .28);
  color: #fde68a; font-size: .82rem; line-height: 1.8;
}
.tip svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: .2rem; color: var(--gold); }

/* ══ تحكم اللمس ══ */
.touch { display: none; }
.touch.on { display: block; }
.stick {
  position: absolute; inset: auto auto .5rem 1rem; width: 118px; height: 118px;
  border-radius: 50%; background: rgba(9, 14, 25, .5);
  border: 2px solid rgba(255, 255, 255, .18); touch-action: none;
}
.knob {
  position: absolute; inset: 50% auto auto 50%; width: 52px; height: 52px; margin: -26px 0 0 -26px;
  border-radius: 50%; background: var(--accent-grad); opacity: .9;
  box-shadow: 0 0 22px rgba(56, 189, 248, .55);
}
.tbtns { position: absolute; inset: auto 1rem .5rem auto; display: flex; gap: .5rem; align-items: flex-end; }
.tbtn {
  width: 60px; height: 60px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .2);
  background: rgba(9, 14, 25, .6); color: var(--accent); display: grid; place-items: center; cursor: pointer;
  transition: transform .12s, background .2s;
}
.tbtn svg { width: 24px; height: 24px; }
.tbtn:active { transform: scale(.92); background: rgba(56, 189, 248, .22); }
.t-pred { color: var(--danger); }
.t-ult { color: var(--gold); width: 68px; height: 68px; }

/* ══ تنبيهات ══ */
.toast-wrap {
  position: absolute; inset: auto 1rem 5.5rem auto; z-index: 25;
  display: flex; flex-direction: column; gap: .4rem; align-items: flex-end; pointer-events: none;
}
.toast {
  padding: .55rem 1rem; border-radius: 999px; font-size: .8rem; font-weight: 700;
  background: rgba(9, 14, 25, .9); border: 1px solid var(--border-strong);
  box-shadow: var(--shadow); animation: slideIn .3s ease;
}
.toast.skill { border-color: rgba(251, 191, 36, .5); color: var(--gold); }
.toast.warn { border-color: rgba(244, 63, 94, .5); color: #fb7185; }
.toast.good { border-color: rgba(34, 197, 94, .5); color: #4ade80; }
.toast.info { border-color: rgba(56, 189, 248, .5); color: #7dd3fc; }

/* ══ التذييل ══ */
.foot {
  position: relative; z-index: 1;
  width: min(1180px, 100%); margin: 1.2rem auto 2.5rem; padding: 0 1.2rem;
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between;
  color: var(--text-muted); font-size: .74rem; line-height: 1.8;
}
.foot b { color: #7dd3fc; }

/* ══ حركات ══ */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { opacity: 0; transform: translateX(18px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ══ استجابة الشاشات ══ */
@media (max-width: 900px) {
  .topbar { padding: .6rem .8rem; }
  .brand-text small { display: none; }
  .brand-text strong { font-size: 1rem; }
  .topbar-actions .btn span { display: none; }
  .stage { padding: 0 .6rem; margin-top: .6rem; }
  .hud { inset: .6rem .6rem auto .6rem; }
  .vitals { width: min(240px, 52vw); }
  .scores { gap: .55rem; }
  .score { min-width: 44px; }
  .score b { font-size: .85rem; }
  .skillbar { display: none; }
  .panel { padding: 1.4rem 1.1rem; }
  .panel-wide { text-align: right; }
  .skill-table { font-size: .74rem; }
  .skill-table th, .skill-table td { padding: .4rem .45rem; }
  .toast-wrap { inset: auto .6rem 8.5rem auto; }
}

@media (max-width: 560px) {
  .brand-text { display: none; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .badge.gold { font-size: .66rem; padding: .25rem .5rem; }
  .btn-lg { padding: .7rem 1.2rem; font-size: .9rem; }
  .keys li { font-size: .76rem; }
}

/* دائماً أظهر لوحة المهارات كمرجع في التعليمات */
@media (hover: none) and (pointer: coarse) {
  .skillbar { display: none; }
  .touch.on { display: block; }
}