:root{
  --bg:#0b1220;--bg2:#111a2e;--card:#151f36;--line:#233052;
  --fg:#e8eefc;--muted:#8fa0c4;--acc:#4f8cff;--acc2:#2ecc8f;--warn:#f5a623;
  --r:18px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.45 -apple-system,Segoe UI,Roboto,Inter,system-ui,sans-serif;-webkit-tap-highlight-color:transparent}
.app{max-width:520px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) 16px max(24px,env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:16px;min-height:100dvh}
.top{display:flex;align-items:center;justify-content:space-between;padding:6px 2px}
.brand{display:flex;align-items:center;gap:12px}
h1{font-size:20px;margin:0;letter-spacing:.2px}
.top p{margin:0;color:var(--muted);font-size:13px}
.dot{width:12px;height:12px;border-radius:50%;background:var(--muted);box-shadow:0 0 0 4px rgba(143,160,196,.15);flex:none}
.dot.on{background:var(--acc2);box-shadow:0 0 0 4px rgba(46,204,143,.2)}
.icon{background:var(--card);border:1px solid var(--line);color:var(--fg);width:42px;height:42px;border-radius:12px;font-size:20px;cursor:pointer}
.hero{display:flex;flex-direction:column;gap:12px}
.big{display:flex;align-items:center;gap:16px;padding:20px 18px;border-radius:var(--r);background:linear-gradient(135deg,#2f6fe0,#4f8cff);color:#fff;text-decoration:none;border:0;font:inherit;text-align:left;cursor:pointer;box-shadow:0 10px 30px rgba(79,140,255,.25)}
.big:active{transform:scale(.99)}
.big.ghost{background:var(--card);color:var(--fg);border:1px solid var(--line);box-shadow:none}
.big[disabled]{opacity:.55;cursor:not-allowed}
.big-icon{font-size:30px;width:44px;text-align:center;flex:none}
.big-text{display:flex;flex-direction:column;gap:2px}
.big-text strong{font-size:18px}
.big-text small{opacity:.85;font-size:13px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;display:flex;flex-direction:column;gap:4px;color:var(--fg);text-decoration:none}
.tile:active{background:var(--bg2)}
.t-icon{font-size:22px;color:var(--acc)}
.tile small{color:var(--muted);font-size:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:10px}
.card h2{font-size:15px;margin:0;color:var(--fg)}
.muted{color:var(--muted);margin:0}
.small{font-size:12px}
.kv{margin:0;display:flex;flex-direction:column;gap:8px}
.kv div{display:flex;flex-direction:column;gap:2px}
.kv dt{font-size:12px;color:var(--muted)}
.kv dd{margin:0;display:flex;align-items:center;gap:8px;min-width:0}
code{font:13px/1.3 ui-monospace,Menlo,Consolas,monospace;background:var(--bg);padding:6px 8px;border-radius:8px;overflow:auto;white-space:nowrap;flex:1;min-width:0}
.copy{flex:none;background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:5px 8px;font-size:12px;cursor:pointer}
.btn{background:var(--acc);color:#fff;border:0;border-radius:12px;padding:12px 14px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;text-align:center;flex:1}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--fg)}
.row{display:flex;gap:10px}
.foot{display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:auto;padding-top:8px}
.link{background:none;border:0;color:var(--acc);font:inherit;cursor:pointer;text-decoration:underline}
dialog{border:1px solid var(--line);background:var(--card);color:var(--fg);border-radius:var(--r);padding:0;width:min(92vw,440px)}
dialog::backdrop{background:rgba(0,0,0,.6)}
.dlg{padding:18px;display:flex;flex-direction:column;gap:14px}
.dlg h2{margin:0;font-size:17px}
label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
input{background:var(--bg);border:1px solid var(--line);color:var(--fg);border-radius:10px;padding:11px 12px;font:16px inherit}
menu{display:flex;gap:10px;margin:0;padding:0}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#1f2b4a;border:1px solid var(--line);padding:10px 14px;border-radius:12px;font-size:14px;box-shadow:0 8px 30px rgba(0,0,0,.4)}