:root{
  --bg:#0F172A; --bg-2:#0b1220; --panel:#1F1829; --card:rgba(255,255,255,.05);
  --border:rgba(255,255,255,.09); --fg:#FFFFFF; --muted:#9aa6bd;
  --primary:#DC2626; --secondary:#2563EB; --accent:#22C55E;
  --accent-soft:rgba(34,197,94,.14); --warn:#F59E0B;
  --r-lg:20px; --r-md:14px; --r-sm:10px;
  --font-ar:'Cairo',system-ui,sans-serif; --font-num:'Orbitron','JetBrains Mono',monospace;
  --glow-p:0 10px 30px rgba(220,38,38,.28); --glow-a:0 10px 30px rgba(34,197,94,.25);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{min-height:100%}
body{
  font-family:var(--font-ar); color:var(--fg); background:var(--bg);
  background-image:radial-gradient(1200px 600px at 80% -10%,#1b1140 0%,transparent 60%),
                   radial-gradient(900px 500px at 10% 110%,#08213f 0%,transparent 55%);
  line-height:1.6; overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
.bg-grid{position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%)}
.bg-glow{position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(420px 420px at 78% 8%,rgba(220,38,38,.16),transparent 70%),
             radial-gradient(420px 420px at 18% 92%,rgba(37,99,235,.16),transparent 70%)}
.ic svg,.ic{width:19px;height:19px;flex:0 0 auto;stroke-width:1.9}

.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding:14px clamp(16px,4vw,44px);
  background:rgba(15,23,42,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:var(--glow-p)}
.brand-mark .dot{width:12px;height:12px;border-radius:50%;background:#fff;
  box-shadow:0 0 0 4px rgba(255,255,255,.25)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text em{font-family:var(--font-num);font-style:normal;font-size:9px;letter-spacing:2.4px;color:var(--muted)}
.nav-actions{display:flex;align-items:center;gap:10px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  font-family:var(--font-ar);font-weight:600;font-size:15px;padding:11px 18px;border-radius:var(--r-md);
  border:1px solid var(--border);color:var(--fg);background:transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,.icon-btn:focus-visible,.level:focus-visible,.step:focus-visible,.guess-input:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,var(--primary),#f43f5e);border-color:transparent;box-shadow:var(--glow-p)}
.btn-primary:hover{box-shadow:0 16px 36px rgba(220,38,38,.42)}
.btn-ghost{background:var(--card);backdrop-filter:blur(10px)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2)}
.btn.block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.icon-btn{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;cursor:pointer;
  background:var(--card);border:1px solid var(--border);color:var(--fg);
  transition:transform .2s ease,background .2s ease}
.icon-btn:hover{transform:translateY(-2px);background:rgba(255,255,255,.12)}

.wrap{position:relative;z-index:1;display:grid;gap:20px;padding:26px clamp(16px,4vw,44px) 10px;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);max-width:1240px;margin:0 auto}
.hud{grid-column:1/-1;display:grid;gap:12px;grid-template-columns:repeat(5,minmax(0,1fr))}
.hud-card{display:flex;flex-direction:column;gap:2px;padding:14px 16px;border-radius:var(--r-md);
  background:var(--card);backdrop-filter:blur(12px);border:1px solid var(--border);
  transition:transform .25s ease,border-color .25s ease}
.hud-card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.2)}
.hud-card .ic{color:var(--muted);margin-bottom:4px}
.hud-card strong{font-family:var(--font-num);font-size:17px;letter-spacing:.5px}
.hud-label{font-size:12px;color:var(--muted)}
.hud-card.best strong{color:var(--warn)}

.board{display:flex;flex-direction:column;gap:22px;padding:26px;border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
  backdrop-filter:blur(12px);border:1px solid var(--border);box-shadow:0 24px 60px rgba(0,0,0,.35)}
.levels{display:grid;gap:10px;grid-template-columns:repeat(3,1fr)}
.level{display:flex;flex-direction:column;gap:2px;align-items:center;padding:12px;cursor:pointer;
  border-radius:var(--r-md);background:var(--card);border:1px solid var(--border);color:var(--fg);
  font-family:var(--font-ar);font-weight:600;transition:transform .2s ease,border-color .2s ease,background .2s ease}
.level em{font-family:var(--font-num);font-style:normal;font-size:11px;color:var(--muted)}
.level:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.22)}
.level.is-active{background:linear-gradient(135deg,rgba(220,38,38,.22),rgba(37,99,235,.22));
  border-color:rgba(255,255,255,.28);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.level.is-active em{color:#fff}
.prompt{font-size:16px;color:#dbe3f2}
.prompt b{font-family:var(--font-num);color:#fff}

.guess-row{display:grid;gap:10px;grid-template-columns:56px minmax(0,1fr) 56px auto}
.step{display:grid;place-items:center;cursor:pointer;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--border);color:var(--fg);transition:transform .2s ease,background .2s ease}
.step:hover{transform:translateY(-2px);background:rgba(255,255,255,.12)}
.guess-input{width:100%;text-align:center;font-family:var(--font-num);font-size:34px;font-weight:700;
  color:#fff;background:rgba(0,0,0,.28);border:1px solid var(--border);border-radius:var(--r-md);
  padding:8px 12px;letter-spacing:2px;transition:border-color .2s ease,box-shadow .2s ease}
.guess-input::placeholder{color:rgba(255,255,255,.28)}
.guess-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);outline:none}
.guess-input::-webkit-outer-spin-button,.guess-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.guess-input[type=number]{-moz-appearance:textfield;appearance:textfield}
.err{min-height:20px;font-size:13.5px;color:#fca5a5;font-weight:600}

.feedback{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--border);transition:background .3s ease,border-color .3s ease}
.feedback .ic{width:26px;height:26px}
.feedback-text{display:flex;flex-direction:column}
.feedback-text strong{font-size:16.5px}
.feedback-text span{font-size:13.5px;color:var(--muted)}
.feedback[data-state="high"]{background:rgba(37,99,235,.14);border-color:rgba(37,99,235,.4)}
.feedback[data-state="low"]{background:rgba(245,158,11,.13);border-color:rgba(245,158,11,.4)}
.feedback[data-state="high"] .ic{color:#7dd3fc}
.feedback[data-state="low"] .ic{color:var(--warn)}
.feedback[data-state="win"]{background:var(--accent-soft);border-color:rgba(34,197,94,.45);box-shadow:var(--glow-a)}
.feedback[data-state="win"] .ic{color:var(--accent)}
.feedback[data-state="lose"]{background:rgba(220,38,38,.14);border-color:rgba(220,38,38,.4)}
.feedback[data-state="lose"] .ic{color:#fca5a5}
.feedback[data-state="hint"]{background:rgba(139,92,246,.14);border-color:rgba(139,92,246,.4)}
.feedback[data-state="hint"] .ic{color:#c4b5fd}
.feedback.pulse{animation:pop .4s ease}

.tracker{display:flex;flex-direction:column;gap:9px}
.tracker-head{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}
.tracker-head strong{font-family:var(--font-num);color:#fff}
.tracker-bar,.tracker-foot,.tracker-head strong{direction:ltr}
.tracker-bar{position:relative;height:12px;border-radius:999px;background:rgba(255,255,255,.07);
  border:1px solid var(--border);overflow:hidden}
.tracker-fill{position:absolute;top:0;bottom:0;left:0;border-radius:999px;
  background:linear-gradient(90deg,var(--secondary),var(--accent));transition:left .45s cubic-bezier(.4,0,.2,1),width .45s cubic-bezier(.4,0,.2,1)}
.tracker-pin{position:absolute;top:-4px;width:3px;height:20px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 12px rgba(220,38,38,.9);display:none}
.tracker-foot{display:flex;justify-content:space-between;font-family:var(--font-num);font-size:11px;color:var(--muted)}

.side{display:flex;flex-direction:column;gap:16px}
.panel{padding:20px;border-radius:var(--r-lg);background:var(--card);backdrop-filter:blur(12px);
  border:1px solid var(--border);display:flex;flex-direction:column;gap:12px}
.panel h3{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:800}
.panel h3 .ic{color:var(--secondary)}
.hist{list-style:none;display:flex;flex-wrap:wrap;gap:8px;max-height:190px;overflow-y:auto}
.hist li{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-num);font-size:13px;
  padding:6px 11px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,.05);
  animation:pop .3s ease}
.hist li[data-r="high"]{color:#7dd3fc;border-color:rgba(37,99,235,.45);background:rgba(37,99,235,.12)}
.hist li[data-r="low"]{color:#fcd34d;border-color:rgba(245,158,11,.45);background:rgba(245,158,11,.12)}
.hist li[data-r="win"]{color:#86efac;border-color:rgba(34,197,94,.5);background:var(--accent-soft)}
.hist li .ar{font-family:var(--font-ar);font-size:11px;opacity:.85}
.empty{font-size:13px;color:var(--muted)}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stats div{display:flex;flex-direction:column;gap:2px;padding:11px 13px;border-radius:var(--r-sm);
  background:rgba(0,0,0,.22);border:1px solid var(--border)}
.stats span{font-size:12px;color:var(--muted)}
.stats strong{font-family:var(--font-num);font-size:16px}
.actions{display:flex;flex-direction:column;gap:10px}
.foot{position:relative;z-index:1;text-align:center;padding:22px 16px 34px;font-size:12.5px;color:var(--muted)}

.modal{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:20px;
  background:rgba(6,10,20,.72);backdrop-filter:blur(8px);animation:fade .25s ease}
.modal[hidden]{display:none}
.modal-card{position:relative;width:min(460px,100%);padding:30px 26px;border-radius:var(--r-lg);
  background:linear-gradient(180deg,#1a2236,#131a2c);border:1px solid var(--border);
  box-shadow:0 30px 80px rgba(0,0,0,.6);text-align:center;overflow:hidden;animation:fadeUp .35s ease}
.modal-card.wide{width:min(560px,100%);text-align:right}
.modal-glow{position:absolute;top:-70px;left:50%;transform:translateX(-50%);width:240px;height:240px;
  border-radius:50%;background:radial-gradient(circle,rgba(34,197,94,.35),transparent 70%);pointer-events:none}
.modal-ic{position:relative;display:grid;place-items:center;width:60px;height:60px;margin:0 auto 14px;
  border-radius:18px;background:var(--accent-soft);border:1px solid rgba(34,197,94,.4);color:var(--accent)}
.modal-ic svg{width:30px;height:30px}
.modal-card h2{position:relative;font-size:23px;font-weight:800;margin-bottom:6px}
.modal-card p{position:relative;color:var(--muted);font-size:14.5px}
.modal-stats{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
.modal-stats div{display:flex;flex-direction:column;gap:2px;padding:11px;border-radius:var(--r-sm);
  background:rgba(0,0,0,.25);border:1px solid var(--border)}
.modal-stats span{font-size:12px;color:var(--muted)}
.modal-stats strong{font-family:var(--font-num);font-size:17px}
.modal-actions{position:relative;display:flex;gap:10px;justify-content:center;margin-top:6px}
.rules{padding-inline-start:20px;display:flex;flex-direction:column;gap:9px;color:#dbe3f2;font-size:14.5px;margin:8px 0 20px}
.rules b{color:var(--accent)}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:80;
  padding:12px 20px;border-radius:999px;font-size:14px;font-weight:600;
  background:rgba(20,28,44,.95);border:1px solid var(--border);box-shadow:0 16px 40px rgba(0,0,0,.5);
  animation:fadeUp .3s ease}
.toast[hidden]{display:none}

@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@keyframes pop{0%{transform:scale(.85);opacity:0}60%{transform:scale(1.04)}100%{transform:scale(1);opacity:1}}
.shake{animation:shake .4s ease}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-7px)}75%{transform:translateX(7px)}}

@media (max-width:1024px){
  .wrap{grid-template-columns:1fr}
  .hud{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:720px){
  .hud{grid-template-columns:repeat(2,minmax(0,1fr))}
  .board{padding:18px}
  .guess-row{grid-template-columns:48px minmax(0,1fr) 48px;grid-template-areas:"m i p" "b b b"}
  .step:first-of-type{grid-area:m}.guess-input{grid-area:i}.step:last-of-type{grid-area:p}
  #guessBtn{grid-area:b}
  .guess-input{font-size:28px}
  .nav-actions .btn span:last-child{display:none}
  .levels{grid-template-columns:1fr}
  .level{flex-direction:row;justify-content:space-between}
  .stats{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- icons ---------- */
.ic{display:inline-flex;align-items:center;justify-content:center;width:19px;height:19px;flex:0 0 auto}
svg.lucide,.ic svg{width:19px;height:19px;stroke-width:1.9;flex:0 0 auto}
.hud-card svg,.panel h3 svg,.btn svg,.step svg,.icon-btn svg,.modal-actions svg{width:19px;height:19px}
.fic,.mic{display:none}
.icon-btn[data-on="true"] .fic[data-for="on"],
.icon-btn[data-on="false"] .fic[data-for="off"]{display:inline-flex}
.feedback .fic{width:26px;height:26px}
.feedback .fic svg{width:26px;height:26px}
.feedback[data-state="idle"] .fic[data-for="idle"],
.feedback[data-state="high"] .fic[data-for="high"],
.feedback[data-state="low"] .fic[data-for="low"],
.feedback[data-state="hint"] .fic[data-for="hint"],
.feedback[data-state="win"] .fic[data-for="win"],
.feedback[data-state="lose"] .fic[data-for="lose"]{display:inline-flex}
.feedback[data-state="idle"] .fic,.feedback[data-state="high"] .fic{color:#7dd3fc}
.feedback[data-state="low"] .fic{color:var(--warn)}
.feedback[data-state="hint"] .fic{color:#c4b5fd}
.feedback[data-state="win"] .fic{color:var(--accent)}
.feedback[data-state="lose"] .fic{color:#fca5a5}
.mic{position:relative;width:60px;height:60px;margin:0 auto 14px;place-items:center;
  border-radius:18px;background:var(--accent-soft);border:1px solid rgba(34,197,94,.4);color:var(--accent)}
.modal[data-state="win"] .mic[data-for="win"],
.modal[data-state="tries"] .mic[data-for="tries"],
.modal[data-state="giveup"] .mic[data-for="giveup"],
.modal[data-state="help"] .mic[data-for="help"]{display:grid}
.modal[data-state="tries"] .mic,.modal[data-state="giveup"] .mic{
  background:rgba(220,38,38,.14);border-color:rgba(220,38,38,.4);color:#fca5a5}
.modal[data-state="help"] .mic{background:rgba(37,99,235,.14);border-color:rgba(37,99,235,.4);color:#7dd3fc}
.mic svg{width:30px;height:30px;stroke-width:1.75}