:root{
  --bg:#f6f8fc;
  --card:#ffffff;
  --muted:#667085;
  --text:#101828;
  --line:#e4e7ec;
  --accent:#2563eb;
  --accent-soft:#eff6ff;
  --green:#12b76a;
  --red:#f04438;
  --yellow:#f79009;
  --shadow:0 12px 30px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#ffffff,#f6f8fc 55%,#eef4ff);color:var(--text);min-height:100vh}
.app-body{padding-bottom:86px}.auth-body{display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card,.card{background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.auth-card{width:100%;max-width:440px;padding:28px}.topbar{position:sticky;top:0;z-index:5;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{font-size:22px;font-weight:800;color:#0f172a}.container{width:min(1120px,100%);margin:0 auto;padding:18px}.grid{display:grid;gap:14px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{padding:18px;margin-bottom:14px}.hero{background:linear-gradient(135deg,#ffffff,#eef6ff);border:1px solid #dbeafe}.muted{color:var(--muted)}.pill{padding:8px 12px;border-radius:999px;background:var(--accent-soft);border:1px solid #bfdbfe;color:#1d4ed8;font-weight:700}
label{display:block;margin:12px 0 6px;color:#344054;font-size:14px}input,select,textarea{width:100%;padding:12px 13px;border:1px solid #d0d5dd;border-radius:12px;background:#fff;color:#101828;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(37,99,235,.10)}
button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 14px;border:0;border-radius:12px;background:var(--accent);color:white;text-decoration:none;font-weight:700;cursor:pointer;transition:.15s ease}.btn:hover,button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(37,99,235,.18)}.btn.secondary,button.secondary{background:#eef2f7;color:#344054;border:1px solid #d0d5dd}.btn.green,button.green{background:var(--green)}.btn.red,button.red{background:var(--red)}.btn.yellow,button.yellow{background:var(--yellow);color:#111827}.btn.full,button.full{width:100%;margin-top:14px}.link{color:#2563eb;text-decoration:none}
.alert{padding:12px;border-radius:12px;margin-bottom:12px}.alert.success{background:#ecfdf3;border:1px solid #abefc6;color:#067647}.alert.error{background:#fef3f2;border:1px solid #fecdca;color:#b42318}.actions{display:flex;gap:10px;flex-wrap:wrap}.quick-action{padding:18px;border-radius:16px;background:#fff;border:1px solid var(--line);text-decoration:none;color:#101828;text-align:center;box-shadow:0 6px 18px rgba(16,24,40,.05)}.quick-action:hover{border-color:#bfdbfe;background:#f8fbff}
.coin-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}.coin{padding:13px;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none;color:#101828;box-shadow:0 6px 14px rgba(16,24,40,.04)}.coin:hover{border-color:#bfdbfe;box-shadow:0 10px 22px rgba(37,99,235,.10)}.coin strong{display:block}.coin .coin-top{display:flex;align-items:center;gap:8px}.coin img{width:24px;height:24px;border-radius:50%}.coin-price{font-weight:800;margin-top:8px;display:block}.coin-marketcap{font-size:12px;color:var(--muted)}.positive{color:var(--green)}.negative{color:var(--red)}
.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:660px}th,td{padding:11px;border-bottom:1px solid var(--line);text-align:left}th{color:#475467;font-size:13px;background:#f9fafb}tr:hover{background:#f9fafb}.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#eef2f7;color:#344054;font-size:12px;font-weight:700}.badge.good{background:#ecfdf3;color:#067647}.badge.bad{background:#fef3f2;color:#b42318}.badge.warn{background:#fffaeb;color:#b54708}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:10;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:8px 4px;box-shadow:0 -10px 28px rgba(16,24,40,.08)}.bottom-nav a{color:#667085;text-decoration:none;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:20px;min-width:60px}.bottom-nav span{font-size:12px}.bottom-nav a.active{color:var(--accent);font-weight:800}
.market-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}.chart-wrap{position:relative}.chart-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.chart-toggle{background:#fff;color:#344054;border:1px solid #d0d5dd}.chart-toggle.active{background:var(--accent);border-color:var(--accent);color:#fff}.live-note{font-size:12px;color:var(--muted);margin-top:8px}canvas{width:100%;height:300px;background:#ffffff;border-radius:14px;border:1px solid var(--line)}.trade-box .balance{display:flex;justify-content:space-between;padding:10px;border:1px solid var(--line);border-radius:12px;background:#f9fafb}.notes{font-size:13px;color:#667085;line-height:1.6}.profile-line{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:11px 0}.profile-line:last-child{border-bottom:0}
.loading-box{padding:18px;border:1px dashed #cbd5e1;border-radius:14px;background:#f8fafc;color:#667085;text-align:center}.admin-body{background:#eef2f8;color:#152033;padding:0}.admin-shell{display:flex;min-height:100vh}.admin-side{width:240px;background:#0d1628;color:#fff;padding:18px;position:sticky;top:0;height:100vh}.admin-side a{display:block;color:#cbd8ee;text-decoration:none;padding:10px;border-radius:10px;margin:4px 0}.admin-side a:hover,.admin-side a.active{background:#1d2b45;color:#fff}.admin-main{flex:1;padding:22px}.admin-main .card{background:#fff;color:#152033;border-color:#dce4f0}.admin-main input,.admin-main select,.admin-main textarea{background:#fff;color:#152033;border-color:#cbd5e1}.admin-main table th,.admin-main table td{border-bottom-color:#e5eaf2}.mini-form{display:inline-flex;gap:6px;align-items:center}.mini-form input{max-width:120px;padding:8px}.small{font-size:12px}.danger-text{color:var(--red)}
@media(max-width:800px){.grid.two,.grid.three,.grid.four,.market-layout{grid-template-columns:1fr}.admin-shell{display:block}.admin-side{width:auto;height:auto;position:relative}.coin-list{grid-template-columns:repeat(2,minmax(0,1fr))}.container{padding:14px}.topbar{padding:12px}}