:root {
  --bg: #0b1020;
  --card: #141a2e;
  --card-2: #1b2440;
  --text: #e8ecf5;
  --sub: #97a1bd;
  --accent: #5b8cff;
  --accent-2: #3f6be0;
  --danger: #ff6b6b;
  --border: #26304f;
  --radius: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fc;
    --card: #ffffff;
    --card-2: #eef1fa;
    --text: #16203a;
    --sub: #5b678a;
    --border: #e0e5f2;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(1200px 800px at 70% -10%, rgba(91,140,255,0.14), transparent 60%), var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.app {
  max-width: 560px;
  margin: 0 auto;
  padding: 28px 18px 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 4px;
}
.logo { border-radius: 9px; }
.top h1 { font-size: 22px; margin: 0; letter-spacing: -0.2px; }
.sub { margin: 2px 0 0; color: var(--sub); font-size: 13px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.card-label {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
  color: var(--sub);
}

#default-card h2 { margin: 2px 0 2px; font-size: 20px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; color: var(--sub); word-break: break-all; }

.btn {
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 14px;
  cursor: pointer;
  transition: transform .05s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(180deg, var(--accent), var(--accent-2)); border-color: transparent; color: #fff; }
.btn.big { width: 100%; padding: 13px; font-size: 16px; margin-top: 12px; }
.btn.small { padding: 6px 10px; font-size: 12.5px; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); }

.hint { color: var(--sub); font-size: 12.5px; margin: 10px 0 0; line-height: 1.5; }

.devices { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.device {
  display: flex; align-items: center; gap: 10px;
  background: var(--card-2);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 12px;
}
.device.is-default { border-color: var(--accent); }
.device-open {
  flex: 1; text-align: left; background: none; border: none; color: inherit; cursor: pointer;
  display: flex; flex-direction: column; gap: 2px; padding: 2px 0;
}
.device-name { font-size: 15px; font-weight: 600; }
.device-actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.badge {
  font-size: 11px; color: var(--accent);
  border: 1px solid var(--accent); border-radius: 999px; padding: 3px 9px;
}

.add-form { display: flex; gap: 8px; flex-wrap: wrap; }
.input {
  flex: 1; min-width: 140px;
  background: var(--card-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; font-size: 14px;
}
.input:focus { outline: none; border-color: var(--accent); }

.error { color: var(--danger); font-size: 13px; margin: 10px 0 0; }
.hidden { display: none !important; }

.status-hint { font-size: 12.5px; margin: 6px 0 0; }
.status-online { color: #35c98e; }
.status-lan { color: var(--accent); }
.status-offline { color: var(--sub); }

.foot { color: var(--sub); font-size: 12px; line-height: 1.6; padding: 0 4px; }

.dialog {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--card); color: var(--text); padding: 20px; max-width: 380px; width: 90%;
}
.dialog::backdrop { background: rgba(4, 8, 20, 0.55); }
.dialog h3 { margin: 0 0 12px; }
.dialog .input { width: 100%; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin: 16px 0 0; padding: 0; }