:root {
  --bg: #0b0f17;
  --bg2: #121826;
  --card: #161d2b;
  --card2: #1b2333;
  --line: #232c3d;
  --txt: #e6edf6;
  --mut: #8b97a8;
  --accent: #3b82f6;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --orange: #f97316;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif; }
body { padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }
.hidden { display: none !important; }
button { font: inherit; cursor: pointer; border: none; border-radius: 10px; }
input { font: inherit; }

/* LOGIN */
.login { position: fixed; inset: 0; display: grid; place-items: center;
  background: radial-gradient(1200px 600px at 50% -10%, #16223a, var(--bg)); padding: 20px; }
.login-card { width: 100%; max-width: 340px; background: var(--card); border: 1px solid var(--line);
  border-radius: 18px; padding: 28px 22px; text-align: center; display: flex; flex-direction: column; gap: 14px; }
.login-card .logo { font-size: 46px; }
.login-card h1 { margin: 0; font-size: 22px; }
.login-card input, .login-card button { width: 100%; padding: 14px; border-radius: 12px; }
.login-card input { background: var(--bg2); border: 1px solid var(--line); color: var(--txt); }
.login-card button { background: var(--accent); color: #fff; font-weight: 600; }
.err { color: var(--red); font-size: 13px; margin: 2px 0 0; min-height: 16px; }

/* APP */
.app { max-width: 1100px; margin: 0 auto; padding: 12px 14px 40px; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 6px 2px 14px; }
.brand { font-size: 18px; }
.top-right { display: flex; align-items: center; gap: 12px; }
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot-on { background: var(--green); box-shadow: 0 0 8px var(--green); }
.dot-off { background: var(--red); }
.icon-btn { background: var(--card); color: var(--mut); width: 38px; height: 38px; border: 1px solid var(--line); }

.section-head { display: flex; align-items: center; justify-content: space-between; margin: 8px 2px; }
.section-head h2 { font-size: 16px; margin: 0; color: var(--mut); font-weight: 600; }
.add-btn { background: var(--card2); color: var(--txt); border: 1px solid var(--line); padding: 9px 14px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
.wallet { padding: 14px 16px; margin-bottom: 14px; display: flex; flex-wrap: wrap; gap: 16px 26px; align-items: baseline; }
.wallet .big { font-size: 22px; font-weight: 700; }
.wallet .lbl { color: var(--mut); font-size: 12px; display: block; }
.wallet .fiat { color: var(--green); font-size: 13px; }

.earnings { padding: 14px 16px; margin-bottom: 14px; }
.earn-head { font-weight: 600; margin-bottom: 10px; }
.earn-row { display: grid; grid-template-columns: 64px 1fr auto; align-items: baseline; gap: 10px; padding: 7px 0; border-top: 1px solid var(--line); }
.earn-lbl { color: var(--mut); font-size: 13px; }
.earn-btc { font-weight: 700; font-variant-numeric: tabular-nums; }
.earn-fiat { color: var(--green); font-size: 13px; text-align: right; }

.grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 680px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .grid { grid-template-columns: 1fr 1fr 1fr; } }

.mcard { padding: 16px; display: flex; flex-direction: column; gap: 12px; position: relative; overflow: hidden; }
.mcard.panic { border-color: var(--red); }
.mcard .head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.mcard .name { font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.state-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.s-mining { background: var(--green); box-shadow: 0 0 8px var(--green); }
.s-warn { background: var(--yellow); }
.s-off { background: var(--red); }
.s-panic { background: var(--red); box-shadow: 0 0 8px var(--red); }
.mcard .host { color: var(--mut); font-size: 12px; }
.menu-btn { background: transparent; color: var(--mut); font-size: 20px; padding: 0 6px; }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat { background: var(--card2); border-radius: 10px; padding: 8px 10px; }
.stat .k { color: var(--mut); font-size: 11px; }
.stat .v { font-size: 18px; font-weight: 700; margin-top: 2px; }
.v.hot { color: var(--orange); } .v.crit { color: var(--red); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 11px; padding: 3px 8px; border-radius: 999px; background: var(--card2); color: var(--mut); }
.chip.alert { background: #3a1d1d; color: #fca5a5; }
.chip.ok { background: #14331f; color: #86efac; }

canvas.spark { width: 100%; height: 44px; display: block; }

.actions { display: flex; gap: 8px; }
.actions button { flex: 1; padding: 11px; font-weight: 600; }
.btn-panic { background: #3a1d1d; color: #fca5a5; border: 1px solid #5b2a2a; }
.btn-resume { background: #14331f; color: #86efac; border: 1px solid #1f5132; }
.btn-mute { background: var(--card2); color: var(--mut); border: 1px solid var(--line); flex: 0 0 46px; }
.btn-power { background: var(--card2); color: var(--yellow); border: 1px solid var(--line); flex: 0 0 46px; font-size: 16px; }

.preset-list { display: flex; flex-direction: column; gap: 6px; max-height: 52vh; overflow-y: auto; margin: 4px 0; }
.preset-item { display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 12px 14px; background: var(--card2); border: 1px solid var(--line); color: var(--txt); border-radius: 10px; text-align: left; }
.preset-item.current { border-color: var(--green); background: #13261a; }
.ps-status { color: var(--mut); font-size: 12px; white-space: nowrap; }
.preset-item.current .ps-status { color: var(--green); }
.muted { color: var(--mut); }
.small { font-size: 12px; }

.empty { color: var(--mut); text-align: center; padding: 30px; }
.foot { color: var(--mut); font-size: 12px; text-align: center; margin-top: 18px; }

/* MODAL */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: grid; place-items: center; padding: 18px; z-index: 50; }
.modal-card { width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.modal-card h3 { margin: 0; }
.modal-card label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--mut); }
.modal-card input { padding: 12px; border-radius: 10px; background: var(--bg2); border: 1px solid var(--line); color: var(--txt); }
.modal-actions { display: flex; gap: 10px; margin-top: 6px; }
.modal-actions button { flex: 1; padding: 12px; font-weight: 600; background: var(--accent); color: #fff; }
.modal-actions .ghost { background: var(--card2); color: var(--txt); border: 1px solid var(--line); }
.modal-actions .danger { background: var(--red); color: #fff; }
#deleteBtn { padding: 11px; border-radius: 10px; background: #2a1414; color: #fca5a5; border: 1px solid #5b2a2a; font-weight: 600; }