*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3a;
  --text: #e2e8f0;
  --muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --success: #22c55e;
  --error: #ef4444;
}

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

#login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 320px;
}

.login-card h1 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

input[type="password"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
}

input[type="password"]:focus { border-color: var(--accent); }

header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

button.logout {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
}

button.logout:hover { color: var(--text); border-color: var(--text); background: transparent; }

main {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  padding: 2rem;
  max-width: 1200px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-header .material-symbols-outlined {
  font-size: 1.75rem;
  color: var(--accent);
}

.card-header h2 {
  font-size: 1rem;
  font-weight: 600;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
  text-transform: capitalize;
}

button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.status {
  font-size: 0.75rem;
  min-height: 1rem;
  color: var(--muted);
}

.status.ok { color: var(--success); }
.status.err { color: var(--error); }