:root {
  --bg: #0b1020;
  --card: #161c2e;
  --card2: #1e2740;
  --text: #e7ebf5;
  --muted: #97a0bd;
  --accent: #6366f1;
  --accent2: #4f46e5;
  --green: #22c55e;
  --red: #ef4444;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; }
body {
  font-family: -apple-system, system-ui, sans-serif;
  background: var(--bg); color: var(--text);
  min-height: 100dvh;
  padding: env(safe-area-inset-top) 16px calc(16px + env(safe-area-inset-bottom));
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 4px 10px;
}
header h1 { font-size: 22px; margin: 0; letter-spacing: -0.5px; }
.icon-btn {
  background: var(--card); border: none; color: var(--text);
  width: 40px; height: 40px; border-radius: 12px; font-size: 18px;
}
.status {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border-radius: 14px; padding: 14px 16px; margin-bottom: 14px;
}
.dot { width: 11px; height: 11px; border-radius: 50%; flex: none; }
.dot.on { background: var(--green); box-shadow: 0 0 8px var(--green); }
.dot.off { background: var(--muted); }
#statusText { font-weight: 600; }
.spacer { flex: 1; }
#statusSub { color: var(--muted); font-size: 13px; }

button.primary {
  width: 100%; border: none; border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white; font-size: 18px; font-weight: 700; padding: 20px;
  margin-bottom: 8px;
}
button.primary:active { transform: scale(0.98); }
button.primary:disabled { opacity: 0.5; }
.hint { color: var(--muted); font-size: 13px; text-align: center; margin: 0 0 18px; }

h2 { font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; margin: 18px 4px 8px; }

.item {
  background: var(--card); border-radius: 14px; padding: 14px; margin-bottom: 10px;
}
.item .meta { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.item .body { word-break: break-word; white-space: pre-wrap; max-height: 120px; overflow: auto; }
.item img { max-width: 100%; border-radius: 8px; }
.item .copy {
  margin-top: 10px; background: var(--card2); color: var(--text);
  border: none; border-radius: 10px; padding: 10px 14px; font-weight: 600;
}
.empty { color: var(--muted); font-size: 14px; padding: 6px 4px; }

.device { display: flex; align-items: center; gap: 10px; background: var(--card); border-radius: 12px; padding: 12px 14px; margin-bottom: 8px; }
.device .name { flex: 1; }
.device .plat { color: var(--muted); font-size: 12px; }

dialog {
  border: none; border-radius: 20px; background: var(--card); color: var(--text);
  width: min(92vw, 420px); padding: 20px;
}
dialog::backdrop { background: rgba(0,0,0,0.6); }
dialog h3 { margin: 0 0 14px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 6px; }
input {
  width: 100%; background: var(--bg); border: 1px solid var(--card2); color: var(--text);
  border-radius: 12px; padding: 14px; font-size: 16px;
}
.dialog-actions { display: flex; gap: 10px; margin-top: 20px; }
.dialog-actions button { flex: 1; border: none; border-radius: 12px; padding: 14px; font-weight: 700; font-size: 16px; }
.dialog-actions .save { background: var(--accent2); color: white; }
.dialog-actions .cancel { background: var(--card2); color: var(--text); }

#toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(20px);
  background: #000; color: white; padding: 12px 18px; border-radius: 12px;
  font-size: 14px; opacity: 0; transition: all 0.25s; pointer-events: none; max-width: 90vw;
}
#toast.show { opacity: 0.95; transform: translateX(-50%) translateY(0); }