:root{color-scheme:dark;--bg:#05070c;--card:rgba(20,22,35,.78);--line:rgba(156,231,255,.22);--cyan:#60f6ff;--violet:#bd6cff;--green:#30f59d;--red:#ff426d;--text:#f7fbff;--muted:#a9b1c8}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{margin:0;min-height:100vh;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at top,#122338 0,#070811 42%,#020307 100%);overflow-x:hidden}

/* живой фон */
#bgCanvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
#confettiCanvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:50}

.app-shell{position:relative;z-index:1;width:min(440px,100%);margin:0 auto;padding:18px 14px 32px}
.card{border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,rgba(35,37,58,.82),rgba(15,17,30,.72));box-shadow:0 20px 80px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(18px)}
.hero{text-align:center;padding:24px 18px;margin-bottom:14px}
.logo-mark{width:76px;height:76px;margin:0 auto 12px;border-radius:50%;object-fit:cover;display:block;box-shadow:0 0 34px rgba(96,246,255,.55)}
.logo-letter{display:grid;place-items:center;font-weight:900;font-size:46px;color:#051018;background:linear-gradient(135deg,var(--cyan),var(--violet))}
.eyebrow{color:var(--cyan);text-transform:uppercase;letter-spacing:.18em;font-size:11px;margin:0}
.hero h1{font-size:34px;line-height:1;margin:6px 0;text-shadow:0 0 24px rgba(96,246,255,.42)}
.subtitle{color:var(--muted);margin:0 0 16px}
.steps{display:flex;justify-content:center;gap:8px}
.steps span{border:1px solid var(--line);border-radius:999px;padding:7px 12px;color:#dcecff;background:rgba(255,255,255,.06);font-size:13px}
.panel,.signal-card{padding:18px;margin-top:14px}
.row{display:flex;gap:12px;align-items:center}.between{justify-content:space-between}
.hidden{display:none!important}
h2{margin:0 0 16px;font-size:20px}
.lbl{display:block;margin:14px 0 8px;color:var(--muted);font-weight:700}
select{border:1px solid var(--line);border-radius:14px;padding:10px;background:#10131f;color:var(--text);font-size:14px;outline:none}
#langSelect{width:130px}

/* skeleton */
.sk{border-radius:16px;background:linear-gradient(90deg,rgba(255,255,255,.05) 25%,rgba(255,255,255,.13) 50%,rgba(255,255,255,.05) 75%);background-size:200% 100%;animation:shimmer 1.3s infinite}
@keyframes shimmer{to{background-position:-200% 0}}
.sk-title{height:24px;width:55%;margin-bottom:18px}
.sk-field{height:54px;margin:12px 0}
.sk-btn{height:56px;margin-top:18px;border-radius:18px}

/* кастомный пикер пары */
.picker{width:100%;display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:18px;padding:15px 14px;background:#10131f;color:var(--text);font-size:16px;font-weight:700;cursor:pointer;transition:border-color .2s}
.picker:active{border-color:var(--cyan)}
.flag{font-size:14px;line-height:1}
.picker .chev{margin-left:auto;color:var(--muted)}

/* чипы таймфреймов */
.chips{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.chip{border:1px solid var(--line);border-radius:14px;padding:12px 0;background:rgba(255,255,255,.05);color:var(--text);font-weight:800;font-size:15px;text-align:center;cursor:pointer;transition:all .18s}
.chip.active{background:linear-gradient(135deg,var(--cyan),var(--violet));color:#061016;border-color:transparent;box-shadow:0 0 18px rgba(96,246,255,.35)}

.primary,.ghost{width:100%;border:0;border-radius:18px;padding:16px 18px;margin-top:12px;font-weight:900;font-size:16px;color:#061016;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 28px rgba(96,246,255,.26);cursor:pointer;transition:transform .12s}
.primary:active{transform:scale(.97)}
.ghost{background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--line);box-shadow:none}

/* свечной чарт при анализе */
.chart-box{position:relative;height:190px;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:radial-gradient(circle at 30% 20%,rgba(96,246,255,.08),transparent 60%),#0a0d18;margin-bottom:16px}
#chartCanvas{width:100%;height:100%;display:block}
.scanline{position:absolute;top:0;bottom:0;width:70px;background:linear-gradient(90deg,transparent,rgba(96,246,255,.16),transparent);animation:scan 1.6s linear infinite}
@keyframes scan{from{left:-80px}to{left:100%}}
.analysis{color:var(--cyan);min-height:22px;font-weight:600}
.progress{height:8px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:10px}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:width .5s ease}

.asset-line{display:flex;justify-content:space-between;color:var(--muted);font-weight:800}
.direction{margin:26px auto 22px;width:210px;height:210px;border-radius:50%;display:grid;place-items:center;font-size:42px;font-weight:1000;letter-spacing:.08em;transform:scale(0)}
.direction.pop{animation:spring .65s cubic-bezier(.2,1.4,.4,1) forwards}
@keyframes spring{0%{transform:scale(0)}60%{transform:scale(1.1)}80%{transform:scale(.96)}100%{transform:scale(1)}}
.direction.buy{color:#052215;background:radial-gradient(circle,var(--green),#0bb96c);box-shadow:0 0 45px rgba(48,245,157,.45)}
.direction.sell{color:#24020a;background:radial-gradient(circle,var(--red),#bc1741);box-shadow:0 0 45px rgba(255,66,109,.45)}
.meter{height:13px;border-radius:99px;background:rgba(255,255,255,.09);overflow:hidden}
.meter span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:width .9s cubic-bezier(.2,.8,.3,1)}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.actions button{font-size:14px;padding:14px 10px}
p{color:var(--muted)}b{color:var(--text)}

/* bottom sheet выбора пары */
.sheet-overlay{position:fixed;inset:0;z-index:40;background:rgba(2,4,10,.6);backdrop-filter:blur(4px);display:flex;align-items:flex-end;animation:fadeIn .2s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.sheet{width:100%;max-height:72vh;display:flex;flex-direction:column;background:#0d101c;border:1px solid var(--line);border-bottom:0;border-radius:26px 26px 0 0;padding:10px 14px 14px;animation:slideUp .28s cubic-bezier(.2,.9,.3,1)}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.sheet-grip{width:44px;height:5px;border-radius:99px;background:rgba(255,255,255,.2);margin:4px auto 12px}
.search{border:1px solid var(--line);border-radius:14px;padding:13px 14px;background:#10131f;color:var(--text);font-size:16px;outline:none;margin-bottom:10px}
.pair-list{overflow-y:auto;-webkit-overflow-scrolling:touch}
.pair-row{display:flex;align-items:center;gap:12px;padding:13px 10px;border-radius:14px;cursor:pointer;font-weight:700;font-size:16px}
.pair-row:active{background:rgba(96,246,255,.1)}
.pair-row .flag{font-size:14px}
.pair-row .rate{margin-left:auto;color:var(--green);font-size:13px;font-weight:800}
.pair-row.selected{background:rgba(96,246,255,.12);border:1px solid rgba(96,246,255,.35)}