/* MODERN UI SYSTEM - UltraGaz 2025 */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-orange: #f59e0b;
  --accent-cyan: #22d3ee;
  --accent-purple: #a855f7;
  --bg-base: #0a0a0f;
  --bg-surface: #12121a;
  --bg-elevated: #1a1a25;
  --bg-card: rgba(26, 26, 37, 0.8);
  --bg-hover: rgba(99, 102, 241, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border-default); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }
::selection { background: var(--primary); color: white; }

/* CARDS */
.card, .panel {
  background: var(--bg-card) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-md) !important;
  transition: all var(--transition-normal);
}
.card:hover, .panel:hover {
  border-color: rgba(99, 102, 241, 0.3) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.1) !important;
}
.card-header, .panel-heading {
  background: rgba(255, 255, 255, 0.02) !important;
  border-bottom: 1px solid var(--glass-border) !important;
  padding: 1rem 1.5rem !important;
}
.card-header h5, .card-header h4, .panel-title { color: var(--text-primary) !important; font-weight: 600 !important; margin: 0 !important; }
.card-block, .card-body, .panel-body { padding: 1.5rem !important; }

/* BUTTONS */
.btn {
  border-radius: var(--radius-md) !important;
  font-weight: 500 !important;
  padding: 0.5rem 1.25rem !important;
  transition: all var(--transition-fast) !important;
  border: none !important;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
  color: white !important;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4) !important;
}
.btn-primary:hover { transform: translateY(-2px) !important; box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5) !important; }
.btn-success { background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%) !important; color: white !important; }
.btn-danger { background: linear-gradient(135deg, var(--accent-red) 0%, #dc2626 100%) !important; color: white !important; }
.btn-warning { background: linear-gradient(135deg, var(--accent-orange) 0%, #d97706 100%) !important; color: white !important; }
.btn-outline-primary { background: transparent !important; border: 1px solid var(--primary) !important; color: var(--primary) !important; }
.btn-outline-primary:hover { background: var(--primary) !important; color: white !important; }
.btn-sm { padding: 0.35rem 0.85rem !important; font-size: 0.8rem !important; }
.btn-lg { padding: 0.75rem 2rem !important; font-size: 1.1rem !important; }

/* FORMS */
.form-control {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border-default) !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-primary) !important;
  padding: 0.625rem 1rem !important;
  transition: all var(--transition-fast) !important;
}
.form-control:focus {
  background: var(--bg-surface) !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2) !important;
  outline: none !important;
}
.form-control::placeholder { color: var(--text-muted) !important; }
.form-group label { color: var(--text-secondary) !important; font-size: 0.85rem !important; font-weight: 500 !important; }
.input-group-text { background: var(--bg-surface) !important; border: 1px solid var(--border-default) !important; color: var(--text-secondary) !important; }

/* TABLES */
.table { color: var(--text-primary) !important; margin: 0 !important; }
.table thead th {
  background: rgba(99, 102, 241, 0.1) !important;
  border-bottom: 2px solid var(--primary) !important;
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  font-size: 0.8rem !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  padding: 1rem !important;
  white-space: nowrap !important;
}
.table tbody td { border-bottom: 1px solid var(--border-subtle) !important; padding: 0.875rem 1rem !important; vertical-align: middle !important; }
.table tbody tr { transition: all var(--transition-fast) !important; }
.table tbody tr:hover { background: var(--bg-hover) !important; }
.table-striped tbody tr:nth-of-type(odd) { background: rgba(255, 255, 255, 0.02) !important; }

/* BADGES */
.badge { padding: 0.35rem 0.75rem !important; border-radius: var(--radius-full) !important; font-weight: 500 !important; font-size: 0.75rem !important; }
.badge-primary { background: rgba(99, 102, 241, 0.2) !important; color: var(--primary-light) !important; }
.badge-success { background: rgba(16, 185, 129, 0.2) !important; color: var(--accent-green) !important; }
.badge-danger { background: rgba(239, 68, 68, 0.2) !important; color: var(--accent-red) !important; }
.badge-warning { background: rgba(245, 158, 11, 0.2) !important; color: var(--accent-orange) !important; }
.badge-info { background: rgba(34, 211, 238, 0.2) !important; color: var(--accent-cyan) !important; }

/* STATUS BADGES */
.status-badge { display: inline-flex; align-items: center; gap: 0.375rem; padding: 0.375rem 0.875rem; border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600; }
.status-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; animation: pulse 2s infinite; }
.status-online { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.status-online::before { background: var(--accent-green); }
.status-offline { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }
.status-offline::before { background: var(--accent-red); animation: none; }
.status-pending { background: rgba(245, 158, 11, 0.15); color: var(--accent-orange); }
.status-pending::before { background: var(--accent-orange); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* NAVIGATION */
.pcoded-navbar { background: var(--bg-surface) !important; border-right: 1px solid var(--glass-border) !important; }
.pcoded-navbar .pcoded-item > li > a { color: var(--text-secondary) !important; padding: 12px 20px !important; border-radius: var(--radius-md) !important; margin: 2px 8px !important; transition: all var(--transition-fast) !important; }
.pcoded-navbar .pcoded-item > li > a:hover { background: var(--bg-hover) !important; color: var(--text-primary) !important; }
.pcoded-navbar .pcoded-item > li.active > a { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important; color: white !important; box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3) !important; }
.pcoded-navigation-label { color: var(--text-muted) !important; font-size: 0.7rem !important; text-transform: uppercase !important; letter-spacing: 1px !important; }

/* HEADER */
.pcoded-header { background: var(--bg-surface) !important; border-bottom: 1px solid var(--glass-border) !important; backdrop-filter: blur(10px); }
.pcoded-header .dropdown-menu { background: var(--bg-elevated) !important; border: 1px solid var(--glass-border) !important; border-radius: var(--radius-lg) !important; box-shadow: var(--shadow-lg) !important; }
.pcoded-header .dropdown-item { color: var(--text-secondary) !important; padding: 0.75rem 1rem !important; }
.pcoded-header .dropdown-item:hover { background: var(--bg-hover) !important; color: var(--text-primary) !important; }

/* MODALS */
.modal-content { background: var(--bg-elevated) !important; border: 1px solid var(--glass-border) !important; border-radius: var(--radius-xl) !important; box-shadow: var(--shadow-lg) !important; }
.modal-header { border-bottom: 1px solid var(--glass-border) !important; }
.modal-header .modal-title { color: var(--text-primary) !important; font-weight: 600 !important; }
.modal-header .close { color: var(--text-muted) !important; opacity: 1 !important; }
.modal-footer { border-top: 1px solid var(--glass-border) !important; }
.modal-backdrop.show { opacity: 0.8 !important; background: var(--bg-base) !important; }

/* ALERTS */
.alert { border: none !important; border-radius: var(--radius-lg) !important; padding: 1rem 1.25rem !important; }
.alert-success { background: rgba(16, 185, 129, 0.15) !important; color: var(--accent-green) !important; border-left: 4px solid var(--accent-green) !important; }
.alert-danger { background: rgba(239, 68, 68, 0.15) !important; color: var(--accent-red) !important; border-left: 4px solid var(--accent-red) !important; }
.alert-warning { background: rgba(245, 158, 11, 0.15) !important; color: var(--accent-orange) !important; border-left: 4px solid var(--accent-orange) !important; }
.alert-info { background: rgba(34, 211, 238, 0.15) !important; color: var(--accent-cyan) !important; border-left: 4px solid var(--accent-cyan) !important; }

/* TABS */
.nav-tabs { border-bottom: 1px solid var(--glass-border) !important; }
.nav-tabs .nav-link { background: transparent !important; border: none !important; border-bottom: 2px solid transparent !important; color: var(--text-muted) !important; padding: 0.75rem 1.25rem !important; transition: all var(--transition-fast) !important; }
.nav-tabs .nav-link:hover { color: var(--text-primary) !important; border-bottom-color: var(--border-default) !important; }
.nav-tabs .nav-link.active { background: transparent !important; color: var(--primary) !important; border-bottom-color: var(--primary) !important; }
.nav-pills .nav-link { background: var(--bg-elevated) !important; border-radius: var(--radius-md) !important; color: var(--text-secondary) !important; }
.nav-pills .nav-link.active { background: var(--primary) !important; color: white !important; }

/* PAGINATION */
.page-item .page-link { background: var(--bg-elevated) !important; border: 1px solid var(--border-subtle) !important; border-radius: var(--radius-md) !important; color: var(--text-secondary) !important; }
.page-item .page-link:hover { background: var(--bg-hover) !important; color: var(--text-primary) !important; }
.page-item.active .page-link { background: var(--primary) !important; border-color: var(--primary) !important; color: white !important; }

/* PROGRESS */
.progress { background: var(--bg-elevated) !important; border-radius: var(--radius-full) !important; height: 8px !important; }
.progress-bar { background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%) !important; border-radius: var(--radius-full) !important; }

/* TOOLTIPS */
.tooltip .tooltip-inner { background: var(--bg-elevated) !important; border: 1px solid var(--glass-border) !important; border-radius: var(--radius-md) !important; color: var(--text-primary) !important; }

/* LOADING */
.spinner { width: 40px; height: 40px; border: 3px solid var(--border-default); border-top-color: var(--primary); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton { background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-surface) 50%, var(--bg-elevated) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius-md); }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* UTILITIES */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--accent-green) !important; }
.text-danger { color: var(--accent-red) !important; }
.text-warning { color: var(--accent-orange) !important; }
.text-info { color: var(--accent-cyan) !important; }
.text-muted { color: var(--text-muted) !important; }
.bg-glass { background: var(--glass-bg) !important; }
.bg-surface { background: var(--bg-surface) !important; }
.bg-elevated { background: var(--bg-elevated) !important; }
.border-glass { border: 1px solid var(--glass-border) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }

/* ANIMATIONS */
.animate-fade-in { animation: fadeIn 0.3s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.animate-scale-in { animation: scaleIn 0.2s ease-out; }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
.hover-lift { transition: transform var(--transition-fast), box-shadow var(--transition-fast); }
.hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .card, .panel { border-radius: var(--radius-md) !important; }
  .btn { padding: 0.5rem 1rem !important; }
  .table thead th, .table tbody td { padding: 0.625rem !important; font-size: 0.85rem !important; }
}

/* CUSTOM COMPONENTS */
.stats-card { background: var(--bg-card); border-radius: var(--radius-lg); padding: 1.25rem; border: 1px solid var(--glass-border); transition: all 0.3s; }
.stats-card:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0,0,0,0.3); }
.stats-icon { width: 48px; height: 48px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; margin-bottom: 0.75rem; }
.stats-icon.blue { background: rgba(99,102,241,0.2); color: #818cf8; }
.stats-icon.green { background: rgba(16,185,129,0.2); color: #10b981; }
.stats-icon.orange { background: rgba(245,158,11,0.2); color: #f59e0b; }
.stats-icon.red { background: rgba(239,68,68,0.2); color: #ef4444; }
.stats-icon.cyan { background: rgba(34,211,238,0.2); color: #22d3ee; }
.stats-icon.purple { background: rgba(168,85,247,0.2); color: #a855f7; }
.stats-value { font-size: 1.75rem; font-weight: 700; color: var(--text-primary); }
.stats-label { color: var(--text-secondary); font-size: 0.8rem; margin-top: 0.25rem; }