:root {
  --bg: #0a0a0f;
  --bg-card: #13131a;
  --bg-hover: #1a1a24;
  --border: #2a2a3a;
  --text: #e0e0e8;
  --text-dim: #8888a0;
  --primary: #6c5ce7;
  --primary-hover: #7d6ef0;
  --success: #00b894;
  --danger: #e74c3c;
  --warning: #fdcb6e;
  --radius: 8px;
}

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

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

/* Login */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 360px;
}

.login-box h1 {
  text-align: center;
  margin-bottom: 8px;
  font-size: 24px;
}

.login-box p {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 24px;
  font-size: 14px;
}

/* Layout */
.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.sidebar-header h2 {
  font-size: 18px;
  color: var(--primary);
}

.sidebar-header span {
  font-size: 12px;
  color: var(--text-dim);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  cursor: pointer;
  color: var(--text-dim);
  transition: all 0.2s;
  font-size: 14px;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--bg-hover);
  color: var(--primary);
  border-right: 3px solid var(--primary);
}

.nav-icon {
  width: 20px;
  text-align: center;
}

.main-content {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
}

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

.page-header h1 {
  font-size: 24px;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

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

.stat-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 600;
}

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

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

th {
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1px;
}

tr:hover {
  background: var(--bg-hover);
}

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

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-dim);
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* Buttons */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  opacity: 0.85;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-success { background: rgba(0, 184, 148, 0.15); color: var(--success); }
.badge-danger { background: rgba(231, 76, 60, 0.15); color: var(--danger); }
.badge-warning { background: rgba(253, 203, 110, 0.15); color: var(--warning); }
.badge-info { background: rgba(108, 92, 231, 0.15); color: var(--primary); }

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 {
  font-size: 18px;
}

.modal-close {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 20px;
}

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

/* Logs */
.log-viewer {
  background: #000;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 12px;
  max-height: 500px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Chart */
.chart-container {
  position: relative;
  height: 200px;
  margin-top: 16px;
}

.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 180px;
  padding-top: 20px;
}

.bar {
  flex: 1;
  background: var(--primary);
  border-radius: 4px 4px 0 0;
  position: relative;
  min-height: 2px;
  transition: height 0.3s;
}

.bar:hover {
  background: var(--primary-hover);
}

.bar-label {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
}

.bar-value {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  z-index: 2000;
  animation: slideIn 0.3s ease;
}

.toast-success { background: var(--success); color: white; }
.toast-error { background: var(--danger); color: white; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Misc */
.text-dim { color: var(--text-dim); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-sm { font-size: 12px; }
.text-mono { font-family: 'Consolas', 'Monaco', monospace; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.hidden { display: none; }
.copy-btn {
  cursor: pointer;
  color: var(--text-dim);
  margin-left: 8px;
}
.copy-btn:hover { color: var(--primary); }