:root {
  --prex-black: #0a0a0a;
  --prex-dark: #141414;
  --prex-card: #1a1a1a;
  --prex-border: #2a2a2a;
  --prex-gold: #d4af37;
  --prex-gold-dim: #8a7228;
  --prex-green: #00cc66;
  --prex-green-dim: #007a3d;
  --prex-red: #e53935;
  --prex-text: #e0e0e0;
  --prex-text-dim: #888;
  --prex-text-bright: #ffffff;
  --prex-radius: 12px;
  --prex-transition: 0.2s ease;
}

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

body {
  background: var(--prex-black);
  color: var(--prex-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
  line-height: 1.5;
}

/* LOGIN */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: radial-gradient(ellipse at center, #1a1a1a 0%, #0a0a0a 70%);
}

.login-card {
  background: var(--prex-card);
  border: 1px solid var(--prex-border);
  border-radius: var(--prex-radius);
  padding: 40px;
  max-width: 420px;
  width: 100%;
}

.login-logo {
  text-align: center;
  margin-bottom: 30px;
}

.login-logo h1 {
  color: var(--prex-gold);
  font-size: 1.5rem;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.login-logo p {
  color: var(--prex-text-dim);
  font-size: 0.85rem;
}

.login-form { margin-top: 20px; }

.login-form input {
  width: 100%;
  padding: 14px 16px;
  background: var(--prex-dark);
  border: 1px solid var(--prex-border);
  border-radius: 8px;
  color: var(--prex-text);
  font-size: 0.95rem;
  margin-bottom: 14px;
  transition: border-color var(--prex-transition);
}

.login-form input:focus {
  outline: none;
  border-color: var(--prex-gold);
}

.login-form button {
  width: 100%;
  padding: 14px;
  background: var(--prex-gold);
  color: var(--prex-black);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--prex-transition);
}

.login-form button:hover { opacity: 0.9; }
.login-form button:disabled { opacity: 0.5; cursor: not-allowed; }

.login-error {
  color: var(--prex-red);
  font-size: 0.85rem;
  margin-top: 12px;
  text-align: center;
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.75rem;
  color: var(--prex-text-dim);
}

/* WORKSPACE SHELL */
.workspace-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: var(--prex-dark);
  border-right: 1px solid var(--prex-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--prex-border);
}

.sidebar-header h2 {
  color: var(--prex-gold);
  font-size: 1.1rem;
  letter-spacing: 0.5px;
}

.sidebar-header p {
  color: var(--prex-text-dim);
  font-size: 0.75rem;
  margin-top: 2px;
}

.sidebar-user {
  padding: 16px 20px;
  border-bottom: 1px solid var(--prex-border);
}

.sidebar-user .name {
  color: var(--prex-text-bright);
  font-weight: 600;
  font-size: 0.9rem;
}

.sidebar-user .role {
  color: var(--prex-gold);
  font-size: 0.75rem;
  margin-top: 2px;
}

.sidebar-user .unit {
  color: var(--prex-text-dim);
  font-size: 0.72rem;
  margin-top: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  color: var(--prex-text-dim);
  text-decoration: none;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--prex-transition);
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: rgba(212, 175, 55, 0.05);
  color: var(--prex-text);
}

.nav-item.active {
  color: var(--prex-gold);
  border-left-color: var(--prex-gold);
  background: rgba(212, 175, 55, 0.08);
}

.nav-icon {
  width: 18px;
  text-align: center;
  font-size: 1rem;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--prex-border);
}

.logout-btn {
  width: 100%;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--prex-border);
  border-radius: 8px;
  color: var(--prex-text-dim);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--prex-transition);
}

.logout-btn:hover {
  border-color: var(--prex-red);
  color: var(--prex-red);
}

/* MAIN CONTENT */
.main-content {
  flex: 1;
  padding: 30px;
  overflow-y: auto;
  max-height: 100vh;
}

.page-header {
  margin-bottom: 24px;
}

.page-header h1 {
  color: var(--prex-text-bright);
  font-size: 1.4rem;
}

.page-header p {
  color: var(--prex-text-dim);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* CARDS */
.card {
  background: var(--prex-card);
  border: 1px solid var(--prex-border);
  border-radius: var(--prex-radius);
  padding: 20px;
  margin-bottom: 20px;
}

.card-title {
  color: var(--prex-gold);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* STATS */
.stat-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.stat {
  flex: 1;
  min-width: 140px;
}

.stat-value {
  color: var(--prex-text-bright);
  font-size: 2rem;
  font-weight: 700;
}

.stat-label {
  color: var(--prex-text-dim);
  font-size: 0.75rem;
  margin-top: 2px;
}

/* TABLES */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--prex-text-dim);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  border-bottom: 1px solid var(--prex-border);
}

.data-table td {
  padding: 12px;
  font-size: 0.88rem;
  border-bottom: 1px solid rgba(42, 42, 42, 0.5);
}

.data-table tr:hover td {
  background: rgba(212, 175, 55, 0.03);
}

/* BADGES */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-green { background: rgba(0, 204, 102, 0.15); color: var(--prex-green); }
.badge-gold { background: rgba(212, 175, 55, 0.15); color: var(--prex-gold); }
.badge-red { background: rgba(229, 57, 53, 0.15); color: var(--prex-red); }
.badge-dim { background: rgba(136, 136, 136, 0.15); color: var(--prex-text-dim); }

/* SWS-001 */
.sws-question {
  color: var(--prex-gold);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.sws-answer {
  color: var(--prex-text);
  font-size: 0.9rem;
  padding-left: 12px;
  border-left: 2px solid var(--prex-border);
  margin-bottom: 16px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-header h2, .sidebar-header p, .sidebar-user, .nav-item span { display: none; }
  .main-content { padding: 16px; }
  .card-grid { grid-template-columns: 1fr; }
  .stat-row { flex-direction: column; gap: 12px; }
}

/* LOADING */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--prex-text-dim);
}

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--prex-text-dim);
}

.empty-state p {
  font-size: 0.9rem;
  margin-top: 8px;
}

/* AUTHORITY BOUNDARY NOTICE */
.auth-boundary {
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid var(--prex-gold-dim);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 0.8rem;
  color: var(--prex-text-dim);
}

.auth-boundary strong { color: var(--prex-gold); }

/* MODAL */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay.active { display: flex; }

.modal {
  background: var(--prex-card);
  border: 1px solid var(--prex-border);
  border-radius: var(--prex-radius);
  padding: 24px;
  max-width: 500px;
  width: 90%;
}

.modal h3 {
  color: var(--prex-gold);
  margin-bottom: 16px;
}

.modal input, .modal textarea, .modal select {
  width: 100%;
  padding: 12px;
  background: var(--prex-dark);
  border: 1px solid var(--prex-border);
  border-radius: 8px;
  color: var(--prex-text);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.modal textarea { min-height: 80px; resize: vertical; }

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.modal-actions button {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: opacity var(--prex-transition);
}

.btn-primary {
  background: var(--prex-gold);
  color: var(--prex-black);
  font-weight: 600;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--prex-border) !important;
  color: var(--prex-text-dim);
}

.btn-primary:hover, .btn-secondary:hover { opacity: 0.85; }