:root {
  --primary: #1F2937;
  --accent: #F59E0B;
  --bg: #F9FAFB;
  --white: #ffffff;
  --border: #e5e7eb;
  --text-muted: #6b7280;
  --danger: #dc2626;
  --success: #16a34a;
  --pending: #d97706;
}

* { box-sizing: border-box; }

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

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--white);
  border-radius: 12px;
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.login-card h1 {
  font-size: 22px;
  margin: 0 0 4px;
  color: var(--primary);
}

.login-card .subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--primary);
}

.field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-primary {
  width: 100%;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 4px;
}

.btn-primary:hover { opacity: 0.9; }

.error-msg {
  background: #fef2f2;
  color: var(--danger);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.divider {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  margin: 20px 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.role-chip {
  flex: 1 1 calc(50% - 8px);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.role-chip:hover {
  border-color: var(--accent);
  background: #fffbeb;
}

/* ---- Shared app shell (used after login) ---- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  background: var(--primary);
  color: white;
  padding: 20px 0;
  flex-shrink: 0;
}

.sidebar .brand {
  padding: 0 20px 20px;
  font-weight: 700;
  font-size: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 10px;
}

.sidebar a {
  display: block;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  padding: 12px 20px;
  font-size: 14px;
}

.sidebar a:hover, .sidebar a.active {
  background: rgba(255,255,255,0.08);
  color: white;
}

.sidebar .user-info {
  padding: 12px 20px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: auto;
}

.main-content {
  flex: 1;
  padding: 28px 32px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.topbar h1 { font-size: 20px; margin: 0; }

.logout-btn {
  background: none;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}