:root{
  --bg:#0d0a12; --ink:#f6f1fa; --mute:#a99fb6; --line:rgba(255,255,255,.09); --glass:rgba(255,255,255,.045);
  --accent:#e0457b; --accent2:#7a2bd6; --ok:#2fbf71; --bad:#e5484d; --gold:#ffd166;
  --radius:26px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{min-height:100%}
body{background:var(--bg);color:var(--ink);font-family:"Readex Pro","Segoe UI",Tahoma,sans-serif;overflow-x:hidden;min-height:100dvh}
body::before{content:"";position:fixed;inset:-30% -30% auto -30%;height:90vh;z-index:-1;pointer-events:none;
  background:radial-gradient(50% 50% at 75% 40%,color-mix(in srgb,var(--accent) 38%,transparent),transparent 70%),
             radial-gradient(45% 45% at 20% 30%,color-mix(in srgb,var(--accent2) 40%,transparent),transparent 70%);
  filter:blur(30px);opacity:.5;transition:background .6s}
a{color:inherit;text-decoration:none}
button{font:inherit}
.app{max-width:520px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) 16px max(22px,env(safe-area-inset-bottom));min-height:100dvh;display:flex;flex-direction:column}
.screen{display:flex;flex:1;flex-direction:column;animation:in .45s ease both}
@keyframes in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.loading{flex:1;display:grid;place-items:center}
.loading span{width:38px;height:38px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--accent);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* top bar */
.top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;min-height:42px}
.logo{font-family:"Reem Kufi",sans-serif;font-size:24px;display:flex;align-items:center;gap:8px}
.logo i{width:30px;height:30px;border-radius:10px;background:linear-gradient(145deg,#e0457b,#7a2bd6);display:grid;place-items:center;font-style:normal;font-size:15px}
.top-actions{display:flex;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:13px;border:1px solid var(--line);background:var(--glass);font-size:14px;cursor:pointer;color:var(--ink)}
.chip.solid{background:linear-gradient(135deg,var(--accent),var(--accent2));border:0}
.icon-btn{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:var(--glass);color:var(--ink);font-size:18px;display:grid;place-items:center;cursor:pointer;flex:none}
.icon-btn:disabled{opacity:.35}

/* buttons */
.btn{appearance:none;border:0;cursor:pointer;font-weight:600;font-size:17px;color:#fff;width:100%;display:block;text-align:center;
  padding:17px 20px;border-radius:18px;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 14px 34px -14px var(--accent);transition:transform .15s,opacity .2s}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.6}
.btn.ghost{background:var(--glass);border:1px solid var(--line);box-shadow:none;font-weight:400}
.stack{display:flex;flex-direction:column;gap:10px}
.row{display:flex;gap:10px}
.row>*{flex:1}

/* hero */
.hero{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;padding:26px 0 26px}
.hero.home{padding:40px 0 30px}
.emblem{width:124px;height:124px;border-radius:36px;display:grid;place-items:center;font-size:58px;
  background:linear-gradient(145deg,var(--accent),var(--accent2));box-shadow:0 24px 60px -18px var(--accent),inset 0 1px 0 rgba(255,255,255,.3);
  transform:rotate(-6deg);animation:float 5s ease-in-out infinite}
@keyframes float{50%{transform:rotate(-2deg) translateY(-8px)}}
.kicker{font-size:13px;color:var(--mute);letter-spacing:.5px}
h1{font-family:"Reem Kufi",sans-serif;font-size:clamp(40px,12vw,60px);line-height:1.15;
  background:linear-gradient(180deg,#fff,color-mix(in srgb,var(--accent) 55%,#fff));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero.home h1{font-size:clamp(36px,10.5vw,52px)}
.tag{font-size:16.5px;color:#e6dcef;max-width:32ch;line-height:1.75}
.meta{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.pill{font-size:12.5px;padding:7px 12px;border-radius:99px;border:1px solid var(--line);background:var(--glass);color:#ddd3e8}

/* sections */
.sec{margin:34px 0 4px;display:flex;justify-content:space-between;align-items:flex-end;gap:10px}
.sec h2{font-family:"Reem Kufi",sans-serif;font-size:26px}
.sec-desc{color:var(--mute);font-size:14px;line-height:1.7;margin-bottom:14px}
h2.title{font-family:"Reem Kufi",sans-serif;font-size:28px;margin:4px 0 6px}
.sub{color:var(--mute);font-size:14.5px;line-height:1.7;margin-bottom:18px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:6px}
.steps div{padding:14px 10px;border-radius:18px;background:var(--glass);border:1px solid var(--line);text-align:center;font-size:13px;line-height:1.6;color:#ddd3e8}
.steps b{display:block;font-size:24px;margin-bottom:4px}

.tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tile{position:relative;overflow:hidden;border-radius:22px;padding:16px 14px 14px;min-height:170px;display:flex;flex-direction:column;justify-content:flex-end;gap:2px;
  background:linear-gradient(155deg,var(--a),var(--b));box-shadow:0 18px 40px -22px var(--a);transition:transform .2s}
.tile:active{transform:scale(.97)}
.tile::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);pointer-events:none}
.tile .t-emoji{position:absolute;top:12px;inset-inline-start:12px;font-size:40px;filter:drop-shadow(0 6px 10px rgba(0,0,0,.3))}
.tile .t-badge{position:absolute;top:12px;inset-inline-end:12px;font-size:11.5px;padding:5px 9px;border-radius:99px;background:rgba(0,0,0,.35);backdrop-filter:blur(6px);z-index:1}
.tile .t-badge.own{background:rgba(255,255,255,.9);color:#111;font-weight:600}
.tile b{font-family:"Reem Kufi",sans-serif;font-size:23px;position:relative;z-index:1}
.tile small{font-size:12.5px;opacity:.9;position:relative;z-index:1}

.bundle{position:relative;overflow:hidden;border-radius:24px;padding:20px;margin-bottom:12px;border:1px solid color-mix(in srgb,var(--gold) 40%,transparent);
  background:linear-gradient(150deg,rgba(255,209,102,.14),rgba(255,255,255,.03))}
.bundle .ribbon{position:absolute;top:16px;inset-inline-end:-34px;transform:rotate(-45deg) translateX(0);background:var(--gold);color:#2a1d00;font-size:11px;font-weight:700;padding:4px 40px}
.bundle h3{font-family:"Reem Kufi",sans-serif;font-size:22px;margin-bottom:4px}
.bundle p{color:#ddd3e8;font-size:14px;line-height:1.7;margin-bottom:12px}
.bundle .emojis{font-size:24px;letter-spacing:4px;margin-bottom:10px}
.price{display:flex;align-items:baseline;gap:10px;justify-content:center;margin:2px 0 4px}
.price b{font-size:30px}
.price b small{font-size:15px;font-weight:400;margin-inline-start:4px}
.price s{color:var(--mute);font-size:16px}
.price .save{font-size:12px;padding:4px 9px;border-radius:99px;background:color-mix(in srgb,var(--ok) 25%,transparent);color:#bff0d3}
.bundle .price{justify-content:flex-start}

.preview{display:flex;flex-direction:column;gap:10px}
.pcard{padding:18px;border-radius:20px;background:linear-gradient(170deg,#1d1628,#120d19);border:1px solid var(--line);font-size:16.5px;line-height:1.7;font-weight:600;position:relative}
.pcard::before{content:"🃏";position:absolute;top:-10px;inset-inline-start:14px;font-size:18px}
.pcard.locked{color:transparent;text-shadow:0 0 12px rgba(255,255,255,.6);user-select:none}
.pcard.locked::after{content:"🔒 باقي الكروت تفتح بعد الشراء";position:absolute;inset:0;display:grid;place-items:center;color:var(--ink);text-shadow:none;font-size:14px;font-weight:400}

.rules{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:10px}
.rules li{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:18px;background:var(--glass);border:1px solid var(--line);line-height:1.65;font-size:15px}
.rules .n{flex:none;width:28px;height:28px;border-radius:10px;display:grid;place-items:center;font-weight:700;font-size:14px;background:color-mix(in srgb,var(--accent) 30%,transparent)}

.foot{text-align:center;font-size:12.5px;color:var(--mute);margin-top:36px;line-height:1.9;opacity:.8}
.foot a{text-decoration:underline}

/* forms */
.seg{display:flex;padding:4px;border-radius:16px;background:var(--glass);border:1px solid var(--line);margin-bottom:18px}
.seg button{flex:1;padding:11px;border-radius:12px;border:0;background:none;color:var(--mute);cursor:pointer}
.seg button.on{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:600}
.form{display:flex;flex-direction:column;gap:14px}
.form label{display:flex;flex-direction:column;gap:7px;font-size:14px;color:#ddd3e8}
.form input{font:inherit;font-size:17px;color:var(--ink);padding:15px 16px;border-radius:16px;border:1.5px solid var(--line);background:rgba(255,255,255,.05);outline:none;transition:border-color .2s;width:100%}
.form input:focus{border-color:var(--accent)}
.form input.code{text-align:center;letter-spacing:2px;font-size:20px;font-weight:600;text-transform:uppercase}
.err{color:#ffb3b5;font-size:14px;min-height:20px;line-height:1.6}
.card-box{padding:18px;border-radius:22px;background:var(--glass);border:1px solid var(--line)}
.help{font-size:13.5px;color:var(--mute);line-height:1.8;margin-top:14px}

/* level select */
.levels{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.lvl{display:flex;gap:14px;align-items:center;text-align:right;width:100%;padding:16px;border-radius:20px;cursor:pointer;color:var(--ink);background:var(--glass);border:1.5px solid var(--line);transition:.2s}
.lvl .e{font-size:28px;width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 22%,transparent);flex:none}
.lvl b{display:block;font-size:17px;margin-bottom:3px}
.lvl small{color:var(--mute);font-size:13px;line-height:1.5}
.lvl .chk{margin-inline-start:auto;width:26px;height:26px;border-radius:9px;border:1.5px solid var(--line);display:grid;place-items:center;font-size:14px;flex:none}
.lvl.sel{border-color:var(--c);background:color-mix(in srgb,var(--c) 12%,transparent)}
.lvl.sel .chk{background:var(--c);border-color:var(--c)}
.lvl.sel .chk::after{content:"✓";color:#fff}
.lvl .cnt{font-size:12px;color:var(--mute)}
.spacer{flex:1}

/* play: cards */
.progress{height:6px;border-radius:9px;background:rgba(255,255,255,.07);overflow:hidden;flex:1}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent2),var(--accent));border-radius:9px;transition:width .4s}
.counter{font-size:13px;color:var(--mute);min-width:52px;text-align:center;direction:ltr;unicode-bidi:isolate}
.deck{flex:1;display:grid;place-items:center;perspective:1400px;padding:8px 0 18px;position:relative;min-height:420px}
.deck::before,.deck::after{content:"";position:absolute;width:84%;height:68%;border-radius:var(--radius);background:rgba(255,255,255,.035);border:1px solid var(--line);transform:translateY(16px) scale(.94);z-index:0}
.deck::after{transform:translateY(30px) scale(.88);opacity:.6}
.card{position:relative;z-index:1;width:92%;aspect-ratio:3/4.1;max-height:60vh;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.2,.8,.2,1);cursor:pointer;touch-action:pan-y}
.card.flipped{transform:rotateY(180deg)}
.card.out{animation:out .35s ease forwards}
.card.enter{animation:enter .45s cubic-bezier(.2,.8,.2,1)}
@keyframes out{to{transform:translateX(-120%) rotate(-14deg);opacity:0}}
@keyframes enter{from{transform:translateY(40px) scale(.92);opacity:0}}
.face{position:absolute;inset:0;border-radius:var(--radius);backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;box-shadow:0 30px 70px -25px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.12)}
.back{background:linear-gradient(150deg,var(--accent),var(--accent2));display:grid;place-items:center}
.back::before{content:"";position:absolute;inset:14px;border-radius:18px;border:1.5px solid rgba(255,255,255,.35)}
.back::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 16px)}
.back .mark{position:relative;z-index:1;text-align:center}
.back .mark span{display:block;font-size:56px;margin-bottom:6px}
.back .mark b{font-family:"Reem Kufi",sans-serif;font-size:34px;display:block}
.back .mark small{opacity:.85;font-size:13px}
.front{transform:rotateY(180deg);background:linear-gradient(170deg,#1d1628,#120d19);border:1px solid var(--line);display:flex;flex-direction:column;padding:22px}
.front::before{content:"";position:absolute;inset:auto -30% -40% auto;width:80%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--c,var(--accent)) 35%,transparent),transparent 70%)}
.fhead{display:flex;justify-content:space-between;align-items:center;position:relative}
.badge{font-size:12.5px;padding:6px 11px;border-radius:99px;background:color-mix(in srgb,var(--c) 22%,transparent);color:#fff;border:1px solid color-mix(in srgb,var(--c) 50%,transparent)}
.num{font-size:12px;color:var(--mute)}
.qtext{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;font-size:clamp(20px,6vw,26px);font-weight:600;line-height:1.75;position:relative;padding:10px 4px}
.kind{position:relative;text-align:center;font-size:13px;color:var(--mute);display:flex;justify-content:center;align-items:center;gap:8px}
.kind.special{color:#fff;font-weight:600}
.kind.special::before,.kind.special::after{content:"";height:1px;width:34px;background:var(--c)}
.hint{text-align:center;font-size:13px;color:var(--mute);margin:-4px 0 12px;min-height:18px}
.ctrls{display:flex;gap:10px}
.ctrls .btn{flex:1}
.ctrls .icon-btn{width:58px;height:auto;border-radius:18px}

/* end / result */
.center{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:16px;padding:20px 0}
.big{font-size:70px}
.ring{--p:0;width:190px;height:190px;border-radius:50%;display:grid;place-items:center;position:relative;background:conic-gradient(var(--accent) calc(var(--p)*1%),rgba(255,255,255,.07) 0)}
.ring::before{content:"";position:absolute;inset:12px;border-radius:50%;background:var(--bg)}
.ring b{position:relative;font-size:52px;font-weight:700;direction:ltr}
.ring b small{font-size:24px;opacity:.7}
.rtitle{font-family:"Reem Kufi",sans-serif;font-size:32px}
.rdesc{color:#ddd3e8;line-height:1.8;max-width:32ch}
.stats{display:flex;gap:10px;width:100%}
.stats div{flex:1;padding:12px;border-radius:16px;background:var(--glass);border:1px solid var(--line);font-size:13px;color:var(--mute)}
.stats b{display:block;font-size:22px;color:var(--ink);direction:ltr}

/* quiz */
.qcard{border-radius:var(--radius);padding:22px 20px;background:linear-gradient(170deg,#1d1628,#120d19);border:1px solid var(--line);margin:6px 0 16px}
.qcard .diff{font-size:12px;color:var(--mute);margin-bottom:10px;display:flex;justify-content:space-between}
.qcard h3{font-size:clamp(20px,5.6vw,24px);line-height:1.7;font-weight:600}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;align-items:center;gap:12px;text-align:right;width:100%;padding:15px 16px;border-radius:17px;cursor:pointer;font-size:16px;color:var(--ink);background:var(--glass);border:1.5px solid var(--line);transition:.2s}
.opt .l{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.07);font-size:14px;flex:none}
.opt:disabled{cursor:default}
.opt.right{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 16%,transparent)}
.opt.right .l{background:var(--ok)}
.opt.wrong{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 16%,transparent);animation:shake .4s}
.opt.wrong .l{background:var(--bad)}
.opt.dim{opacity:.45}
@keyframes shake{25%{transform:translateX(6px)}75%{transform:translateX(-6px)}}
.note{margin-top:14px;padding:14px 16px;border-radius:16px;font-size:14.5px;line-height:1.7;background:var(--glass);border:1px solid var(--line);animation:in .35s both}
.note b{color:var(--accent)}

.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(30px);opacity:0;background:#2a2136;padding:12px 18px;border-radius:14px;font-size:14px;transition:.3s;pointer-events:none;border:1px solid var(--line);z-index:10;max-width:90vw;text-align:center}
.toast.on{opacity:1;transform:translateX(-50%)}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:9}
img.flag{height:1em;width:auto;vertical-align:-0.12em;display:inline-block}
.emblem img.flag{height:.9em}
.empty{text-align:center;padding:30px 10px;color:var(--mute);line-height:1.8}