:root {
  --bg: #0b1220;
  --panel: #131c2e;
  --border: #24304a;
  --text: #e8ecf4;
  --muted: #93a0b8;
  --accent: #4f8cff;
  --danger: #ff5c5c;
}

* { box-sizing: border-box; }

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

.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 100%;
  max-width: 380px;
}

.card h1 {
  margin: 0 0 1.5rem;
  font-size: 1.4rem;
}

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 1rem 0 0.35rem;
}

input {
  width: 100%;
  padding: 0.6rem 0.7rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
}

button {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.65rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

button:hover { opacity: 0.9; }
button.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
button.small { width: auto; margin-top: 0; padding: 0.35rem 0.7rem; font-size: 0.85rem; }

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

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

.topbar .links { display: flex; gap: 1rem; align-items: center; }
.topbar a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.topbar a:hover { color: var(--text); }

main { max-width: 900px; margin: 0 auto; padding: 2rem; }

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.app-card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text);
}

.app-card:hover { border-color: var(--accent); }
.app-card h3 { margin: 0 0 0.4rem; }
.app-card p { margin: 0; color: var(--muted); font-size: 0.85rem; }

.empty-state {
  margin-top: 2rem;
  color: var(--muted);
  text-align: center;
}

table { width: 100%; border-collapse: collapse; margin-top: 1.5rem; }
th, td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { color: var(--muted); font-weight: 600; }
td.checkbox-cell { text-align: center; }
input[type="checkbox"] { width: 18px; height: 18px; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: rgba(79, 140, 255, 0.15);
  color: var(--accent);
}