:root{
  --bg:#0B0E13; --surface:#141922; --surface2:#1B212D; --line:#242B38;
  --text:#E7EAF0; --sub:#8A93A6; --accent:#7C5CFF; --up:#12C99B; --down:#FF5A66;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Inter,sans-serif;
  display:flex;flex-direction:column;overflow-x:hidden}

header{position:sticky;top:0;z-index:5;background:var(--bg);padding:14px 16px calc(10px + env(safe-area-inset-top,0px));
  display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{font-size:17px;font-weight:700;letter-spacing:.2px}
.brand span{color:var(--accent)}
.icon-btn{width:34px;height:34px;border-radius:10px;background:var(--surface);display:flex;align-items:center;justify-content:center;
  color:var(--sub);font-size:15px;text-decoration:none}

main{flex:1;overflow-y:auto;padding-bottom:78px}
.view{display:none;padding:14px 16px 8px}
.view.active{display:block}

.section-title{font-size:13px;color:var(--sub);margin:18px 0 8px;font-weight:600}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px}
.row{display:flex;align-items:center;justify-content:space-between}
.pill{font-size:11px;padding:3px 9px;border-radius:20px;font-weight:600}
.pill.up{color:var(--up);background:rgba(18,201,155,.12)}
.pill.down{color:var(--down);background:rgba(255,90,102,.12)}
.mono{font-variant-numeric:tabular-nums}

.wl-item{display:flex;justify-content:space-between;align-items:center;padding:12px 2px;border-bottom:1px solid var(--line)}
.wl-item:last-child{border-bottom:none}
.wl-name{font-weight:600;font-size:14.5px}
.wl-sub{font-size:11.5px;color:var(--sub);margin-top:2px}
.wl-price{text-align:right;font-weight:600;font-size:14.5px}
.wl-chg{font-size:11.5px;margin-top:2px}
.up{color:var(--up)} .down{color:var(--down)}

.stock-head{padding-top:2px}
.stock-title{font-size:19px;font-weight:700}
.stock-ex{font-size:11.5px;color:var(--sub);margin-top:2px}
.price-big{font-size:28px;font-weight:700;margin-top:12px}
.chart-wrap{margin-top:16px;border:1px solid var(--line);border-radius:14px;padding:12px;background:var(--surface)}
.range-tabs{display:flex;gap:6px;margin-top:10px}
.range-tabs span{font-size:12px;color:var(--sub);padding:5px 10px;border-radius:8px}
.range-tabs span.on{background:var(--surface2);color:var(--text);font-weight:600}

.order-bar{position:fixed;left:0;right:0;bottom:64px;display:flex;gap:10px;padding:10px 16px;
  background:linear-gradient(180deg,rgba(11,14,19,0),var(--bg) 30%)}
.btn{flex:1;text-align:center;padding:13px 0;border-radius:12px;font-weight:700;font-size:14.5px;cursor:pointer}
.btn.buy{background:var(--up);color:#062b21}
.btn.sell{background:var(--down);color:#3a0508}
.sheet{position:fixed;inset:auto 0 0 0;background:var(--surface);border-top:1px solid var(--line);
  border-radius:20px 20px 0 0;padding:16px 16px calc(16px + env(safe-area-inset-bottom,0px));transform:translateY(105%);
  transition:transform .25s ease;z-index:20;max-height:78vh;overflow-y:auto}
.sheet.open{transform:translateY(0)}
.sheet-handle{width:36px;height:4px;background:var(--line);border-radius:3px;margin:0 auto 14px}
.field{margin-top:12px}
.field label{font-size:12px;color:var(--sub)}
.field .stepper{display:flex;align-items:center;gap:10px;margin-top:6px;background:var(--surface2);border-radius:10px;padding:6px 10px}
.stepper button{width:30px;height:30px;border-radius:8px;background:var(--bg);color:var(--text);border:none;font-size:16px}
.stepper input{flex:1;text-align:center;background:transparent;border:none;color:var(--text);font-size:15px;font-weight:600}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .25s;z-index:15}
.overlay.open{opacity:1;pointer-events:auto}

.pos-item{padding:12px 2px;border-bottom:1px solid var(--line)}
.pos-item:last-child{border-bottom:none}
.pos-top{display:flex;justify-content:space-between}
.pos-meta{font-size:11.5px;color:var(--sub);margin-top:4px;display:flex;gap:14px}
.summary-strip{display:flex;gap:10px}
.summary-strip .card{flex:1;text-align:center}
.summary-strip .v{font-size:16px;font-weight:700;margin-top:4px}
.summary-strip .l{font-size:11px;color:var(--sub)}

.fund-balance{padding:22px 18px;border-radius:16px;background:linear-gradient(135deg,var(--surface),var(--surface2));border:1px solid var(--line)}
.fund-balance .l{font-size:12px;color:var(--sub)}
.fund-balance .v{font-size:30px;font-weight:700;margin-top:6px}
.fund-actions{display:flex;gap:10px;margin-top:16px}
.fund-actions .btn{background:var(--surface2);color:var(--text)}
.ledger-item{display:flex;justify-content:space-between;padding:11px 2px;border-bottom:1px solid var(--line);font-size:13px}
.ledger-item:last-child{border-bottom:none}

.profile-head{display:flex;align-items:center;gap:12px;padding:6px 2px 4px}
.avatar{width:52px;height:52px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700}
.list-item{display:flex;justify-content:space-between;align-items:center;padding:13px 2px;border-bottom:1px solid var(--line);font-size:14px}
.list-item:last-child{border-bottom:none}

nav{position:fixed;left:0;right:0;bottom:0;z-index:10;background:var(--surface);border-top:1px solid var(--line);
  display:flex;padding:8px 6px calc(8px + env(safe-area-inset-bottom,0px))}
nav button{flex:1;background:none;border:none;color:var(--sub);font-size:10.5px;display:flex;flex-direction:column;align-items:center;gap:4px;padding:4px 0}
nav button .dot{width:20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:13px}
nav button.active{color:var(--text)}
nav button.active .dot{background:rgba(124,92,255,.16);color:var(--accent)}

/* auth pages */
.auth-body{align-items:center;justify-content:center;min-height:100vh;padding:20px}
.auth-card{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px}
.auth-error{background:rgba(255,90,102,.12);color:var(--down);font-size:13px;padding:10px 12px;border-radius:10px;margin-bottom:6px}
.input{width:100%;margin-top:6px;background:var(--surface2);border:1px solid var(--line);border-radius:10px;color:var(--text);padding:11px 12px;font-size:14px}