*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0f172a;
  --surface:  #1e293b;
  --border:   #334155;
  --text:     #e2e8f0;
  --muted:    #94a3b8;
  --green:    #22c55e;
  --green-bg: #14532d;
  --red:      #f87171;
  --red-bg:   #450a0a;
  --amber:    #fb923c;
  --amber-bg: #431407;
  --blue:     #60a5fa;
  --radius:   8px;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.5;
}

/* ─── Header ──────────────────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  gap: 12px;
  flex-wrap: wrap;
}

.header-left {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.host {
  font-size: 0.78rem;
  color: var(--muted);
  font-family: monospace;
}

.last-updated {
  font-size: 0.75rem;
  color: var(--muted);
}

/* ─── Main grid ───────────────────────────────────────────────────────────── */
main {
  padding: 24px 28px;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

/* ─── App card ────────────────────────────────────────────────────────────── */
.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.15s;
}

.app-card:has(.status-badge[data-status="running"]) {
  border-left: 3px solid var(--green);
}

.app-card:has(.status-badge[data-status="exited"]),
.app-card:has(.status-badge[data-status="dead"]) {
  border-left: 3px solid var(--red);
}

.app-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.app-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.status-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.status-badge[data-status="running"]    { background: var(--green-bg); color: var(--green); }
.status-badge[data-status="exited"],
.status-badge[data-status="dead"]       { background: var(--red-bg);   color: var(--red);   }
.status-badge[data-status="paused"],
.status-badge[data-status="restarting"] { background: var(--amber-bg); color: var(--amber); }
.status-badge[data-status="created"]    { background: #1e3a5f;         color: var(--blue);  }

.app-url {
  font-size: 0.8rem;
  color: var(--blue);
  text-decoration: none;
  word-break: break-all;
}
.app-url:hover { text-decoration: underline; }

.app-image {
  font-size: 0.72rem;
  color: var(--muted);
  font-family: monospace;
}

/* ─── Auth section ────────────────────────────────────────────────────────── */
.auth-section {
  border-top: 1px solid var(--border);
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auth-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.auth-status {
  font-size: 0.78rem;
  color: var(--muted);
}

.auth-status.enabled {
  color: var(--green);
}

.auth-status.enabled::before {
  content: '🔒 ';
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-input {
  width: 100%;
  padding: 6px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.82rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

.auth-input:focus { border-color: var(--blue); }

.auth-form-actions {
  display: flex;
  gap: 6px;
}

.auth-btn {
  flex: 1;
  padding: 6px 10px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.auth-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.auth-btn:not(:disabled):hover { opacity: 0.85; }

.auth-btn.enable  { background: #1d4ed8; color: #fff; }
.auth-btn.cancel  { background: var(--border); color: var(--text); }
.auth-btn.disable { background: transparent; border: 1px solid var(--border); color: var(--muted); font-size: 0.75rem; flex: 0; padding: 4px 8px; }
.auth-btn.add     { background: transparent; border: 1px solid var(--border); color: var(--muted); font-size: 0.75rem; padding: 4px 8px; }

/* ─── Toggle button ───────────────────────────────────────────────────────── */
.toggle-btn {
  margin-top: 4px;
  width: 100%;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, filter 0.15s;
}

.toggle-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.toggle-btn:not(:disabled):hover { filter: brightness(1.1); }

.toggle-btn[data-action="stop"]  { background: #b91c1c; color: #fff; }
.toggle-btn[data-action="start"] { background: #15803d; color: #fff; }

/* ─── Empty state ─────────────────────────────────────────────────────────── */
.empty-state {
  padding: 48px 0;
  text-align: center;
  color: var(--muted);
}
.empty-state .hint { margin-top: 8px; font-size: 0.85rem; }
.empty-state code  { color: var(--text); background: var(--border); padding: 1px 5px; border-radius: 4px; }

/* ─── Error banner ────────────────────────────────────────────────────────── */
.error-banner {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid #b91c1c;
  border-radius: var(--radius);
  padding: 10px 20px;
  font-size: 0.875rem;
  max-width: 480px;
  text-align: center;
  z-index: 100;
}

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 500px) {
  header, main { padding: 16px; }
  .app-grid    { grid-template-columns: 1fr; }
}