/* ── PalaceGrid — Dark SaaS Theme ──────────────────────────── */
:root {
  --bg:        #0f1117;
  --bg-card:   #1a1d27;
  --bg-input:  #252836;
  --bg-hover:  #2a2d3a;
  --border:    #2e3142;
  --text:      #e4e6f0;
  --text-dim:  #8b8fa3;
  --accent:    #6c5ce7;
  --accent-hover: #7c6ef7;
  --green:     #00b894;
  --red:       #e74c3c;
  --orange:    #f39c12;
  --yellow:    #ffeaa7;
  --radius:    10px;
  --shadow:    0 4px 24px rgba(0,0,0,.3);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

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

/* ── Layout ──────────────────────────────────────────────── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-center {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 24px;
}

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-brand span {
  color: var(--accent);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.navbar-user {
  color: var(--text-dim);
  font-size: 14px;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.card-sm {
  max-width: 420px;
  width: 100%;
}

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

.card-header h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.card-header p {
  color: var(--text-dim);
  font-size: 14px;
}

/* ── Forms ───────────────────────────────────────────────── */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .2s;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
}

.form-group input::placeholder {
  color: var(--text-dim);
  opacity: 0.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
}

.btn-success {
  background: var(--green);
  color: #fff;
}
.btn-success:hover:not(:disabled) {
  background: #00a884;
}

.btn-danger {
  background: var(--red);
  color: #fff;
}
.btn-danger:hover:not(:disabled) {
  background: #c0392b;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

.btn-group {
  display: flex;
  gap: 8px;
}

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 16px;
  display: none;
}

.alert.show {
  display: block;
}

.alert-error {
  background: rgba(231, 76, 60, 0.15);
  border: 1px solid rgba(231, 76, 60, 0.3);
  color: #e74c3c;
}

.alert-success {
  background: rgba(0, 184, 148, 0.15);
  border: 1px solid rgba(0, 184, 148, 0.3);
  color: #00b894;
}

/* ── Tabs ────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.tab {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .2s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Palace List ─────────────────────────────────────────── */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 32px 0 24px;
}

.page-header h1 {
  font-size: 28px;
  font-weight: 700;
}

.palace-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.palace-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color .2s;
  cursor: pointer;
}

.palace-card:hover {
  border-color: var(--accent);
}

.palace-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.palace-card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.palace-card-meta {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.palace-card-meta span {
  display: block;
  margin-bottom: 2px;
}

/* ── Status badge ────────────────────────────────────────── */
.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-running .status-dot { background: var(--green); }
.status-running { color: var(--green); }

.status-stopped .status-dot { background: var(--text-dim); }
.status-stopped { color: var(--text-dim); }

.status-starting .status-dot { background: var(--orange); animation: pulse 1s infinite; }
.status-starting { color: var(--orange); }

.status-error .status-dot { background: var(--red); }
.status-error { color: var(--red); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ── Palace Detail ───────────────────────────────────────── */
.palace-detail {
  margin: 32px 0;
}

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

.palace-detail-header h1 {
  font-size: 24px;
  font-weight: 700;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.detail-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.detail-item label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 4px;
}

.detail-item .value {
  font-size: 16px;
  font-weight: 600;
}

.detail-item .value.mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 14px;
}

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}

.empty-state h2 {
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--text);
}

.empty-state p {
  margin-bottom: 24px;
}

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow);
  transform: translateY(20px);
  transition: transform .2s;
}

.modal-overlay.show .modal {
  transform: translateY(0);
}

.modal h2 {
  font-size: 20px;
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ── Utility ─────────────────────────────────────────────── */
.hidden { display: none !important; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.text-dim { color: var(--text-dim); }
.text-sm { font-size: 13px; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .palace-grid { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; gap: 12px; align-items: flex-start; }
  .navbar { padding: 0 16px; }
  .card { padding: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .admin-table { font-size: 13px; }
  .container-wide { padding: 0 16px; }
}

/* ── Admin Panel ─────────────────────────────────────────── */
.container-wide {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
}

.stat-card.stat-green .stat-value { color: var(--green); }
.stat-card.stat-orange .stat-value { color: var(--orange); }
.stat-card.stat-red .stat-value { color: var(--red); }

/* ── Admin Table ─────────────────────────────────────────── */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  background: var(--bg-input);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background: var(--bg-hover);
}

.admin-table .mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 13px;
}

/* ── Admin Section ───────────────────────────────────────── */
.admin-section {
  margin-bottom: 32px;
}

.admin-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.admin-section-header h2 {
  font-size: 20px;
  font-weight: 700;
}

/* ── Role badge ──────────────────────────────────────────── */
.role-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-admin {
  background: rgba(108, 92, 231, 0.2);
  color: var(--accent);
  border: 1px solid rgba(108, 92, 231, 0.4);
}

.role-user {
  background: rgba(139, 143, 163, 0.15);
  color: var(--text-dim);
  border: 1px solid rgba(139, 143, 163, 0.3);
}

/* ── System info ─────────────────────────────────────────── */
.sys-info {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.sys-info-item {
  font-size: 13px;
}

.sys-info-item .label {
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sys-info-item .val {
  font-weight: 600;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}