:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --accent: #3b82f6;
  --danger: #ef4444;
  --danger-bg: #450a0a;
  --success: #22c55e;
}

* { box-sizing: border-box; }

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

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 18px; margin: 0; }
header .subtitle { color: var(--text-dim); font-size: 13px; margin-top: 2px; }

main { max-width: 1100px; margin: 0 auto; padding: 24px; }

button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 14px;
  cursor: pointer;
}
button:hover { opacity: 0.9; }
button.secondary { background: var(--panel-2); color: var(--text); }
button.danger { background: var(--danger); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

input, select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 14px;
  width: 100%;
}

label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 4px; }
.field { margin-bottom: 14px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.school-card h3 { margin: 0 0 4px; }
.school-card .domain { color: var(--text-dim); font-size: 13px; margin-bottom: 12px; }
.stat-row { display: flex; justify-content: space-between; font-size: 13px; padding: 3px 0; }
.stat-row .label { color: var(--text-dim); }
.error-box {
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  color: #fecaca;
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 14px;
}

.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 340px; }

.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; }
.settings-grid .field { margin-bottom: 0; }
.setting-meta { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
}
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }