/* AgentFast CDN Platform - Global Styles */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --secondary: #0ea5e9;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --dark-3: #334155;
  --dark-4: #475569;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #1e293b;
  --card-bg: #1e293b;
  --sidebar-width: 240px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--dark);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--dark-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--dark-4); }

/* ===== AUTH PAGES ===== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 20% 50%, rgba(99,102,241,0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(14,165,233,0.1) 0%, transparent 50%),
              var(--dark);
}

.auth-container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo .logo-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 12px;
  box-shadow: 0 0 40px rgba(99,102,241,0.3);
}

.auth-logo h1 {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-logo p {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 4px;
}

.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.auth-card h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
}

.auth-card .subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 24px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--dark);
  border: 1px solid var(--dark-3);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.form-group input::placeholder { color: var(--text-muted); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  width: 100%;
  padding: 12px;
  font-size: 15px;
  box-shadow: 0 4px 15px rgba(99,102,241,0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #3730a3);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99,102,241,0.4);
}

.btn-secondary {
  background: var(--dark-3);
  color: var(--text-primary);
}

.btn-secondary:hover { background: var(--dark-4); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--dark-3);
  color: var(--text-primary);
}

.btn-outline:hover { background: var(--dark-2); border-color: var(--primary); }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #059669; }

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

.auth-footer {
  text-align: center;
  margin-top: 20px;
  color: var(--text-secondary);
  font-size: 13px;
}

.auth-footer a {
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 500;
}

.auth-footer a:hover { text-decoration: underline; }

/* ===== APP LAYOUT ===== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--dark-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-logo .logo-text {
  font-size: 16px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-logo .logo-tag {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 400;
  display: block;
  margin-top: -2px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0 8px;
  margin-bottom: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.15s;
  margin-bottom: 2px;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--dark-3);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(99,102,241,0.15);
  color: var(--primary-light);
  border-left: 2px solid var(--primary);
  padding-left: 8px;
}

.nav-item i {
  width: 18px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: white;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  line-height: 1.4;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.user-info:hover { background: var(--dark-3); }

.user-avatar {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.user-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.user-plan {
  font-size: 11px;
  color: var(--text-muted);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: 60px;
  background: var(--dark-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-btn {
  width: 36px;
  height: 36px;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  font-size: 14px;
}

.topbar-btn:hover { background: var(--dark-4); color: var(--text-primary); }

.notif-dot {
  position: relative;
}

.notif-dot::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 7px;
  height: 7px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--dark-2);
}

.page-content {
  flex: 1;
  padding: 24px;
  overflow: auto;
}

/* ===== CARDS ===== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

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

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ===== STAT CARDS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s;
}

.stat-card:hover { border-color: var(--dark-3); }

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.stat-card.blue::before { background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.stat-card.green::before { background: linear-gradient(90deg, var(--success), #34d399); }
.stat-card.yellow::before { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.stat-card.red::before { background: linear-gradient(90deg, var(--danger), #f87171); }

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 12px;
}

.stat-icon.blue { background: rgba(99,102,241,0.15); color: var(--primary-light); }
.stat-icon.green { background: rgba(16,185,129,0.15); color: #34d399; }
.stat-icon.yellow { background: rgba(245,158,11,0.15); color: #fbbf24; }
.stat-icon.red { background: rgba(239,68,68,0.15); color: #f87171; }

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.stat-change {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ===== CHARTS ===== */
.chart-container {
  position: relative;
  height: 260px;
}

.chart-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

/* ===== TABLES ===== */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 12px 16px;
  font-size: 13.5px;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(30,41,59,0.5);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover td { background: rgba(30,41,59,0.4); }

/* ===== STATUS BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.5;
}

.badge-success { background: rgba(16,185,129,0.15); color: #34d399; }
.badge-warning { background: rgba(245,158,11,0.15); color: #fbbf24; }
.badge-danger { background: rgba(239,68,68,0.15); color: #f87171; }
.badge-info { background: rgba(14,165,233,0.15); color: #38bdf8; }
.badge-gray { background: rgba(100,116,139,0.15); color: var(--text-muted); }
.badge-purple { background: rgba(99,102,241,0.15); color: var(--primary-light); }

.badge .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

/* ===== MODALS ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}

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

.modal {
  background: var(--dark-2);
  border: 1px solid var(--dark-3);
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 520px;
  transform: translateY(20px);
  transition: transform 0.2s;
}

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

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

.modal-title {
  font-size: 17px;
  font-weight: 600;
}

.modal-close {
  width: 30px;
  height: 30px;
  background: var(--dark-3);
  border: none;
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.modal-close:hover { background: var(--dark-4); color: var(--text-primary); }

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
}

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

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

.page-header p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ===== MISC ===== */
.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info { color: var(--secondary); }
.text-primary-color { color: var(--primary-light); }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }

.w-full { width: 100%; }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.4;
}

.empty-state p { font-size: 14px; margin-top: 8px; }

/* Progress bar */
.progress-bar {
  height: 6px;
  background: var(--dark-3);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s;
}

/* Tooltip */
[data-tooltip] {
  position: relative;
}

[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-3);
  color: var(--text-primary);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 11px;
  white-space: nowrap;
  z-index: 99;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 2px;
  background: var(--dark);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 20px;
}

.tab-item {
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

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

.tab-item.active {
  background: var(--card-bg);
  color: var(--text-primary);
}

/* Filter bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.filter-bar input, .filter-bar select {
  padding: 8px 12px;
  background: var(--dark);
  border: 1px solid var(--dark-3);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}

.filter-bar input:focus, .filter-bar select:focus {
  border-color: var(--primary);
}

.filter-bar input { min-width: 200px; }

/* Node status dots */
.node-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.node-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.node-dot.warning { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.node-dot.offline { background: var(--danger); }

/* Alert */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-info { background: rgba(14,165,233,0.1); border: 1px solid rgba(14,165,233,0.2); color: #7dd3fc; }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.2); color: #fcd34d; }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.2); color: #6ee7b7; }
.alert-danger { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2); color: #fca5a5; }

/* World map */
.world-map-container {
  position: relative;
  height: 220px;
  background: var(--dark);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Animations */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeIn 0.3s ease; }

.loading-pulse { animation: pulse 1.5s ease-in-out infinite; }

/* Responsive */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .chart-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; }
}