:root{
  color-scheme:dark;
  --bg:#080a0f;
  --panel:#11141b;
  --panel-2:#171b24;
  --border:#262b36;
  --text:#f4f6fb;
  --muted:#8f97a8;
  --accent:#f3ba2f;
  --green:#34c759;
  --red:#ff453a;
  --shadow:0 18px 48px rgba(0,0,0,.24);
}
*{box-sizing:border-box}
html{background:var(--bg)}
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(circle at top right,rgba(243,186,47,.08),transparent 34%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Helvetica Neue",Arial,sans-serif;
}
button,input,select{font:inherit}
button{cursor:pointer}
.app-shell{
  width:min(900px,100%);
  margin:0 auto;
  padding:calc(24px + env(safe-area-inset-top)) 18px calc(36px + env(safe-area-inset-bottom));
}
.topbar,.section-head,.settings-row,.dialog-title,.price-main,.alert-main{display:flex;align-items:center;justify-content:space-between;gap:14px}
.topbar{margin-bottom:18px}
.eyebrow{margin:0 0 5px;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.16em}
h1,h2,h3,p{margin-top:0}
h1{margin-bottom:0;font-size:31px;letter-spacing:-.04em}
h2{margin-bottom:4px;font-size:19px}
h3{margin-bottom:0;font-size:21px}
.section-head p,.settings-row span,.help,.footnote{color:var(--muted);font-size:13px}
.section-head p{margin-bottom:0}
.panel{
  background:rgba(17,20,27,.93);
  border:1px solid var(--border);
  border-radius:22px;
  padding:18px;
  margin-bottom:14px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
}
.compact-panel{padding-top:6px;padding-bottom:6px}
.status-pill{
  display:flex;align-items:center;gap:7px;
  border:1px solid var(--border);background:var(--panel-2);
  padding:8px 11px;border-radius:999px;color:var(--muted);font-size:12px;font-weight:700
}
.dot{width:7px;height:7px;border-radius:50%;background:#777}
.status-pill.online .dot{background:var(--green);box-shadow:0 0 0 4px rgba(52,199,89,.12)}
.status-pill.offline .dot{background:var(--red)}
.primary,.ghost,.danger,.icon-btn{
  border:0;border-radius:12px;font-weight:750;min-height:40px;padding:0 13px
}
.primary{background:var(--accent);color:#111}
.ghost{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}
.danger{background:rgba(255,69,58,.1);color:#ff736b;border:1px solid rgba(255,69,58,.22)}
.icon-btn{width:40px;padding:0;background:var(--panel-2);color:var(--muted);font-size:24px}
.full{width:100%;margin-top:5px}
.price-list,.alert-list{display:grid;gap:9px;margin-top:15px}
.price-card,.alert-card{
  background:var(--panel-2);border:1px solid var(--border);border-radius:17px;padding:14px
}
.symbol{font-size:15px;font-weight:820;letter-spacing:.01em}
.pair-sub{color:var(--muted);font-size:11px;margin-top:3px}
.price-value{text-align:right;font-size:21px;font-weight:820;letter-spacing:-.03em}
.change{font-size:12px;font-weight:750;margin-top:4px}
.change.up{color:var(--green)}.change.down{color:var(--red)}
.row-actions{display:flex;gap:8px;margin-top:12px}
.row-actions button{flex:1}
.alert-condition{font-weight:800;font-size:17px;margin-bottom:5px}
.alert-meta{color:var(--muted);font-size:12px}
.alert-card.triggered{border-color:rgba(243,186,47,.5);background:rgba(243,186,47,.06)}
.alert-badge{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;background:#212633;color:var(--muted);font-size:11px;font-weight:750}
.alert-badge.active{color:#91f3a8;background:rgba(52,199,89,.1)}
.alert-badge.hit{color:#ffe08c;background:rgba(243,186,47,.12)}
.empty{padding:22px 10px;text-align:center;color:var(--muted);font-size:13px;border:1px dashed var(--border);border-radius:15px}
.settings-row{padding:13px 2px}
.settings-row+ .settings-row{border-top:1px solid var(--border)}
.settings-row div{display:flex;flex-direction:column;gap:4px}
.settings-row strong{font-size:14px}
.switch{position:relative;width:50px;height:30px;flex:none}
.switch input{position:absolute;opacity:0}
.switch span{position:absolute;inset:0;background:#2a303b;border-radius:999px;transition:.2s}
.switch span:after{content:"";position:absolute;width:24px;height:24px;left:3px;top:3px;background:white;border-radius:50%;transition:.2s}
.switch input:checked+span{background:var(--green)}
.switch input:checked+span:after{transform:translateX(20px)}
.footnote{line-height:1.65;margin:16px 3px 0}
dialog{border:0;padding:0;background:transparent;color:var(--text);width:min(92vw,460px)}
dialog::backdrop{background:rgba(0,0,0,.68);backdrop-filter:blur(6px)}
.dialog-card{background:#12161e;border:1px solid var(--border);border-radius:22px;padding:18px;box-shadow:0 25px 80px rgba(0,0,0,.55)}
.dialog-card label{display:grid;gap:8px;margin-top:15px;color:#cbd0da;font-size:13px;font-weight:700}
input,select{width:100%;border:1px solid #303644;background:#0c0f15;color:var(--text);border-radius:12px;min-height:46px;padding:0 13px;outline:none}
input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(243,186,47,.08)}
.help{margin:8px 0 0;line-height:1.5}
.toast{
  position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom));transform:translate(-50%,18px);
  min-width:min(86vw,340px);max-width:86vw;background:#252b36;color:white;padding:12px 15px;border:1px solid #3a4250;
  border-radius:13px;opacity:0;pointer-events:none;transition:.22s;text-align:center;font-size:13px;z-index:20
}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media (max-width:560px){
  .app-shell{padding-left:13px;padding-right:13px}
  .panel{border-radius:19px;padding:15px}
  h1{font-size:28px}
  .section-head{align-items:flex-start}
  .section-head .primary,.section-head .ghost{min-height:38px;padding:0 10px;font-size:12px}
  .price-value{font-size:19px}
}

.backend-good{color:#91f3a8!important}
.backend-warn{color:#ffe08c!important}
.backend-bad{color:#ff736b!important}