/* ══ ROAD TEMPEST · عاصفة الطريق — الأنماط ══ */
:root{
  --bg:#0a0e18; --bg-2:#111726;
  --surface:rgba(255,255,255,.05); --surface-2:rgba(255,255,255,.09);
  --border:rgba(255,255,255,.09); --border-2:rgba(255,255,255,.18);
  --text:#f0f3fa; --muted:#8b93a7; --dim:#5c6478;
  --primary:#DC2626; --primary-2:#f87171; --secondary:#2563EB;
  --accent:#22C55E; --gold:#F59E0B; --nitro:#06B6D4;
  --r-sm:8px; --r:14px; --r-lg:20px;
  --shadow:0 4px 24px rgba(0,0,0,.45); --shadow-lg:0 18px 60px rgba(0,0,0,.6);
  --font-ui:'Cairo',ui-sans-serif,system-ui,sans-serif;
  --font-disp:'Orbitron','Cairo',sans-serif;
  --icon:20px; color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--bg);color:var(--text);font-family:var(--font-ui);line-height:1.55;
  overflow:hidden;-webkit-font-smoothing:antialiased;overscroll-behavior:none}
canvas#game{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none;z-index:1}
.glow{position:fixed;inset:-30% -20% auto -20%;height:60vh;pointer-events:none;z-index:0;
  background:radial-gradient(ellipse at 50% 0%,rgba(220,38,38,.22),transparent 62%)}
.is-hidden{display:none !important}
a{color:var(--primary-2)}
:focus-visible{outline:2px solid var(--primary-2);outline-offset:2px}

/* ── أزرار وأدوات ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.3rem;
  border-radius:999px;border:none;cursor:pointer;font-family:var(--font-ui);font-size:.92rem;
  font-weight:700;color:var(--text);background:var(--surface-2);
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease}
.btn svg{width:var(--icon);height:var(--icon);stroke-width:1.75}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(135deg,var(--primary),#b91c1c);color:#fff;
  box-shadow:0 10px 30px rgba(220,38,38,.35)}
.btn-primary:hover{box-shadow:0 14px 40px rgba(220,38,38,.5)}
.btn-ghost{background:transparent;border:1.5px solid var(--border-2)}
.btn-ghost:hover{background:var(--surface)}
.btn-start{width:100%;padding:1rem;font-size:1.05rem;font-weight:900;color:#fff;
  background:linear-gradient(135deg,var(--primary),#7f1d1d 55%,#1d4ed8);
  box-shadow:0 12px 40px rgba(220,38,38,.32)}
.iconbtn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:12px;border:1px solid var(--border);background:rgba(10,14,24,.72);
  backdrop-filter:blur(10px);color:var(--text);cursor:pointer;
  transition:background .2s,transform .15s}
.iconbtn:hover{background:var(--surface-2);transform:translateY(-1px)}
.iconbtn svg{width:var(--icon);height:var(--icon);stroke-width:1.75}
.seg{display:flex;gap:.3rem;background:rgba(255,255,255,.04);border:1px solid var(--border);
  border-radius:999px;padding:.28rem}
.seg-b{flex:1;padding:.5rem .7rem;border:none;border-radius:999px;background:transparent;
  color:var(--muted);font-family:var(--font-ui);font-weight:700;font-size:.85rem;cursor:pointer;
  white-space:nowrap;transition:background .18s,color .18s}
.seg-b:hover{color:var(--text)}
.seg-b.is-on{background:linear-gradient(135deg,var(--primary),#991b1b);color:#fff;
  box-shadow:0 6px 20px rgba(220,38,38,.32)}
kbd{display:inline-flex;min-width:26px;justify-content:center;padding:.1rem .4rem;border-radius:6px;
  border:1px solid var(--border-2);background:rgba(255,255,255,.06);font-family:var(--font-disp);
  font-size:.72rem;color:var(--text)}

/* ── الشاشات واللوحات ── */
.screen{position:fixed;inset:0;z-index:20;display:flex;align-items:flex-start;justify-content:center;
  padding:clamp(12px,3vw,34px);overflow-y:auto;overscroll-behavior:contain;
  background:linear-gradient(180deg,rgba(6,9,16,.78),rgba(6,9,16,.94))}
#result,#pause{align-items:center}
.panel{width:100%;max-width:880px;background:rgba(12,17,28,.84);border:1px solid var(--border);
  border-radius:var(--r-lg);backdrop-filter:blur(16px);box-shadow:var(--shadow-lg);
  padding:clamp(18px,3vw,34px);animation:fadeUp .45s cubic-bezier(.16,1,.3,1) both}
.menu-panel{max-width:960px}
.brand{text-align:center;margin-bottom:1.6rem}
.brand-tag{font-family:var(--font-disp);font-size:.72rem;font-weight:900;letter-spacing:.32em;
  color:var(--primary-2)}
.brand h1{font-size:clamp(2rem,6vw,3.1rem);font-weight:900;line-height:1.1;letter-spacing:-.02em;
  margin:.35rem 0 .6rem;background:linear-gradient(120deg,#fff 28%,var(--primary-2),#fca5a5);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.brand p{color:var(--muted);font-size:.95rem;max-width:66ch;margin:0 auto}
.grp{margin-bottom:1.4rem}
.grp-t{display:flex;align-items:center;gap:.5rem;font-size:.95rem;font-weight:800;margin-bottom:.7rem}
.grp-t svg{width:18px;height:18px;stroke-width:1.75;color:var(--primary-2)}
.grp.two{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grp.three{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(186px,1fr))}

/* ── اختيار الدراجة والألوان ── */
.bike-grid{display:grid;gap:.7rem;grid-template-columns:repeat(auto-fit,minmax(172px,1fr))}
.bike{position:relative;text-align:right;padding:.85rem .9rem;border-radius:var(--r);cursor:pointer;
  border:1.5px solid var(--border);background:var(--surface);color:var(--text);
  font-family:var(--font-ui);transition:transform .18s,border-color .18s,box-shadow .18s,background .18s}
.bike:hover{transform:translateY(-3px);background:var(--surface-2)}
.bike.is-on{border-color:var(--primary);
  background:linear-gradient(180deg,rgba(220,38,38,.14),rgba(255,255,255,.03));
  box-shadow:0 0 0 1px var(--primary),0 14px 36px rgba(220,38,38,.26)}
.bike h3{font-size:1.05rem;font-weight:900;margin-bottom:.1rem}
.bike p{font-size:.78rem;color:var(--muted);min-height:2.4em}
.bike .stats{margin-top:.5rem;display:grid;gap:.22rem}
.stat{display:flex;align-items:center;gap:.4rem;font-size:.68rem;color:var(--dim)}
.stat span{width:40px;color:var(--muted)}
.stat i{flex:1;height:5px;border-radius:999px;background:rgba(255,255,255,.09);overflow:hidden}
.stat i b{display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--gold))}
.swatches{display:flex;flex-wrap:wrap;gap:.55rem}
.sw{width:44px;height:44px;border-radius:12px;border:2px solid transparent;cursor:pointer;
  box-shadow:inset 0 -8px 14px rgba(0,0,0,.35);transition:transform .15s,border-color .15s}
.sw:hover{transform:translateY(-3px) scale(1.04)}
.sw.is-on{border-color:#fff;transform:translateY(-3px) scale(1.06)}
.help{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  border-top:1px solid var(--border);padding-top:1.1rem}
.help-col h3{display:flex;align-items:center;gap:.4rem;font-size:.85rem;margin-bottom:.45rem}
.help-col h3 svg{width:16px;height:16px;stroke-width:1.75;color:var(--primary-2)}
.help-col ul{list-style:none;display:grid;gap:.32rem}
.help-col li{font-size:.8rem;color:var(--muted)}
.best{margin-top:1rem;text-align:center;font-family:var(--font-disp);font-size:.8rem;color:var(--gold)}

/* ── واجهة اللعب (HUD) ── */
.hud{position:fixed;inset:0;z-index:10;pointer-events:none;
  padding:max(10px,env(safe-area-inset-top)) 12px 12px}
.hud-top{display:flex;gap:.5rem;align-items:flex-start;justify-content:center}
.chip{display:flex;flex-direction:column;align-items:center;gap:.05rem;min-width:88px;
  padding:.4rem .75rem;border-radius:var(--r);border:1px solid var(--border);
  background:rgba(10,14,24,.6);backdrop-filter:blur(10px)}
.chip-wide{min-width:150px;flex:0 1 320px}
.chip-k{font-size:.66rem;letter-spacing:.06em;color:var(--muted)}
.chip-v{display:flex;align-items:baseline;gap:.2rem;font-family:var(--font-disp);font-size:1.15rem;
  font-weight:900}
.chip-v small{font-size:.62rem;color:var(--muted);font-family:var(--font-ui)}
.progress{width:100%;height:4px;border-radius:999px;background:rgba(255,255,255,.1);
  overflow:hidden;margin-top:.25rem}
.progress i{display:block;height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--gold))}
.hud-side{position:absolute;inset-inline-start:12px;top:clamp(74px,14vh,140px);
  width:min(40vw,212px);display:grid;gap:.5rem}
.meter{display:grid;gap:.2rem}
.meter-k{font-size:.66rem;color:var(--muted)}
.bar{height:10px;border-radius:999px;background:rgba(0,0,0,.5);border:1px solid var(--border);
  overflow:hidden}
.bar i{display:block;height:100%;width:100%;transition:width .12s linear}
.bar-hp i{background:linear-gradient(90deg,#16a34a,#22C55E,#a3e635)}
.bar-nitro i{background:linear-gradient(90deg,#0891b2,#22d3ee,#a5f3fc)}
.wcard{display:flex;align-items:center;gap:.55rem;padding:.45rem .6rem;border-radius:var(--r);
  border:1px solid var(--border);background:rgba(10,14,24,.66);backdrop-filter:blur(10px)}
.wcard-ico{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:rgba(220,38,38,.18);color:var(--primary-2)}
.wcard-ico svg{width:18px;height:18px;stroke-width:1.75}
.wcard-txt{display:flex;flex-direction:column;line-height:1.2}
.wcard-txt b{font-size:.85rem}
.wcard-txt small{font-size:.66rem;color:var(--muted)}
.hud-biome{position:absolute;inset-inline-end:14px;top:clamp(74px,14vh,140px);display:flex;
  align-items:center;gap:.35rem;padding:.35rem .7rem;border-radius:999px;border:1px solid var(--border);
  background:rgba(10,14,24,.6);backdrop-filter:blur(10px);font-size:.78rem}
.hud-biome svg{width:16px;height:16px;stroke-width:1.75;color:var(--primary-2)}
.hud-pause{position:absolute;inset-inline-end:14px;bottom:calc(14px + env(safe-area-inset-bottom));
  pointer-events:auto}
.sound-btn{position:fixed;z-index:30;inset-inline-start:14px;
  bottom:calc(14px + env(safe-area-inset-bottom))}
.touchy .sound-btn{top:max(10px,env(safe-area-inset-top));bottom:auto;inset-inline-start:auto;
  inset-inline-end:12px}
.touchy .hud-pause{top:auto;bottom:calc(96px + env(safe-area-inset-bottom))}
.touchy .hud-biome{top:auto;bottom:calc(180px + env(safe-area-inset-bottom))}

/* ── تنبيهات، عدّاد، لمس، نتائج ── */
.toast-wrap{position:absolute;inset-inline:0;bottom:clamp(96px,22vh,190px);display:grid;gap:.35rem;
  justify-items:center}
.toast{padding:.5rem .95rem;border-radius:999px;font-size:.82rem;font-weight:700;
  background:rgba(10,14,24,.85);border:1px solid var(--border-2);backdrop-filter:blur(10px);
  animation:fadeUp .3s ease both}
.toast.good{border-color:rgba(34,197,94,.5);color:#86efac}
.toast.bad{border-color:rgba(220,38,38,.55);color:#fca5a5}
.toast.weapon{border-color:rgba(245,158,11,.5);color:#fcd34d}
.countdown{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-disp);
  font-size:clamp(4rem,18vw,10rem);font-weight:900;color:#fff;
  text-shadow:0 10px 50px rgba(220,38,38,.7);animation:pop .5s cubic-bezier(.16,1,.3,1) both}
.touch{position:fixed;inset-inline:0;bottom:calc(10px + env(safe-area-inset-bottom));z-index:15;
  display:flex;justify-content:space-between;padding:0 12px;pointer-events:none}
.t-side{display:flex;gap:.6rem;pointer-events:auto}
.tbtn{width:72px;height:72px;border-radius:22px;border:1px solid var(--border-2);
  background:rgba(12,17,28,.55);backdrop-filter:blur(8px);color:#fff;display:grid;place-items:center;
  cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:none;
  transition:transform .1s,background .15s}
.tbtn:active,.tbtn.is-down{transform:scale(.93);background:rgba(220,38,38,.45)}
.tbtn svg{width:30px;height:30px;stroke-width:1.75}
.t-nitro{background:rgba(8,145,178,.35)}
.t-atk{background:rgba(220,38,38,.35)}
.result-panel,.pause-panel{max-width:560px;text-align:center}
.res-badge{display:inline-block;padding:.25rem .8rem;border-radius:999px;font-size:.72rem;
  font-weight:800;letter-spacing:.08em;background:rgba(220,38,38,.18);color:var(--primary-2);
  margin-bottom:.6rem}
.result-panel h2{font-size:clamp(1.5rem,4vw,2.1rem);font-weight:900;margin-bottom:1rem}
.res-grid{display:grid;gap:.6rem;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));
  margin-bottom:1.3rem}
.res-cell{padding:.7rem;border-radius:var(--r);border:1px solid var(--border);background:var(--surface)}
.res-cell span{display:block;font-size:.68rem;color:var(--muted)}
.res-cell b{font-family:var(--font-disp);font-size:1.2rem;font-weight:900}
.res-btns{display:grid;gap:.6rem;grid-template-columns:1fr 1fr}
.pause-panel{display:grid;gap:.6rem}
.pause-panel h2{font-size:1.4rem;font-weight:900;margin-bottom:.4rem}

/* ── حركة + استجابة ── */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pop{0%{opacity:0;transform:scale(.5)}60%{opacity:1;transform:scale(1.08)}
  100%{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}
@media (max-width:760px){
  .chip{min-width:74px;padding:.35rem .55rem}
  .chip-v{font-size:1rem}
  .hud-side{width:min(46vw,180px);top:clamp(70px,13vh,120px)}
  .res-btns{grid-template-columns:1fr}
  .tbtn{width:64px;height:64px}
}