:root {
  color-scheme: light dark;
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1a1a1a;
  --muted: #6b7280;
  --border: #e2e4e8;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --online: #22c55e;
  --offline: #ef4444;
  --unknown: #9ca3af;
  --waking: #f59e0b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d;
    --card-bg: #21242b;
    --text: #f0f0f2;
    --muted: #9aa0ab;
    --border: #33373f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.hidden { display: none !important; }

h1 { font-size: 1.4rem; margin-bottom: 1.25rem; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
  margin-top: 0.75rem;
}
label:first-child { margin-top: 0; }

input {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
}
button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.6; cursor: default; }
button.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
button.danger { background: var(--danger); }

.row { display: flex; gap: 0.5rem; }
.mt-1 { margin-top: 1rem; }
.flex-1 { flex: 1; }
.dialog-title { font-size: 1.05rem; margin-top: 0; }

.top-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.top-bar .row { flex-wrap: wrap; }

.host-list { display: flex; flex-direction: column; gap: 0.6rem; }

dialog#host-dialog {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  background: var(--card-bg);
  color: var(--text);
  width: min(90vw, 420px);
}
dialog#host-dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.host {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem 1rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--unknown);
}
.dot.online { background: var(--online); }
.dot.offline { background: var(--offline); }
.dot.refreshing { background: var(--unknown); animation: pulse 1s infinite; }
.dot.waking { background: var(--waking); animation: pulse 1s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.host-info { flex: 1; min-width: 0; }
.host-name { font-weight: 600; overflow-wrap: break-word; }
.host-meta { font-size: 0.8rem; color: var(--muted); overflow-wrap: break-word; }

.host-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.error { color: var(--danger); font-size: 0.85rem; margin-top: 0.5rem; min-height: 1em; }

.empty-hint { color: var(--muted); font-size: 0.9rem; text-align: center; padding: 1rem; }

@media (max-width: 480px) {
  .container { padding: 1rem 0.75rem; }
  h1 { font-size: 1.2rem; margin-bottom: 0; }

  .top-bar .row { width: 100%; }
  .top-bar .row button { flex: 1 1 auto; }

  .host-actions {
    flex-basis: 100%;
    margin-left: calc(12px + 0.75rem);
  }
  .host-actions button { flex: 1 1 auto; }

  #host-dialog .row { flex-wrap: wrap; }
  #host-dialog .row button { flex: 1 1 auto; }
  #host-delete-btn { flex-basis: 100%; }
}