:root {
  --sp-bg-deep: #070a0f;
  --sp-bg-primary: #0d1117;
  --sp-bg-secondary: #131a24;
  --sp-bg-card: rgba(19, 26, 36, 0.88);
  --sp-border: #1e2a3a;
  --sp-border-glow: rgba(0, 212, 255, 0.25);
  --sp-text-primary: #e2e8f0;
  --sp-text-secondary: #94a3b8;
  --sp-text-muted: #8b9ab4;
  --sp-neon-cyan: #00d4ff;
  --sp-neon-blue: #0ea5e9;
  --sp-neon-purple: #8b5cf6;
  --sp-neon-green: #10b981;
  --sp-neon-red: #ef4444;
  --sp-neon-yellow: #f59e0b;
  --sp-glow-cyan: 0 0 15px rgba(0, 212, 255, 0.35), 0 0 30px rgba(0, 212, 255, 0.12);
  --sp-glow-purple: 0 0 15px rgba(139, 92, 246, 0.35), 0 0 30px rgba(139, 92, 246, 0.12);
  --sp-glow-blue: 0 0 15px rgba(14, 165, 233, 0.35), 0 0 30px rgba(14, 165, 233, 0.12);
  --sp-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  background: linear-gradient(160deg, var(--sp-bg-deep) 0%, var(--sp-bg-primary) 50%, #0a1220 100%) !important;
  color: var(--sp-text-primary) !important;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'Consolas', 'PingFang SC', 'Microsoft YaHei', sans-serif !important;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 70% 50% at 15% 15%, rgba(0, 212, 255, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 85%, rgba(139, 92, 246, 0.04) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}

/* Bootstrap overrides */
.navbar { background-color: var(--sp-bg-secondary) !important; border-bottom: 1px solid var(--sp-border); }
.navbar-dark .navbar-brand { color: var(--sp-neon-cyan) !important; text-shadow: var(--sp-glow-cyan); }
.navbar-dark .nav-link { color: var(--sp-text-secondary) !important; }
.navbar-dark .nav-link:hover, .navbar-dark .nav-link.active { color: var(--sp-neon-cyan) !important; }

.card {
  background: var(--sp-bg-card) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--sp-border) !important;
  border-radius: 12px !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255,255,255,0.04) !important;
  color: var(--sp-text-primary) !important;
}

.card-header {
  background: rgba(30, 42, 58, 0.6) !important;
  border-bottom: 1px solid var(--sp-border) !important;
  color: var(--sp-text-primary) !important;
}

.card-body { color: var(--sp-text-primary) !important; }

.btn-primary {
  background: linear-gradient(135deg, var(--sp-neon-blue), var(--sp-neon-cyan)) !important;
  border: none !important;
  color: #fff !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3) !important;
  transition: var(--sp-transition) !important;
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--sp-neon-cyan), var(--sp-neon-blue)) !important;
  box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5) !important;
  transform: translateY(-2px);
  color: #fff !important;
}

.btn-outline-primary {
  border-color: var(--sp-neon-cyan) !important;
  color: var(--sp-neon-cyan) !important;
  background: transparent !important;
}
.btn-outline-primary:hover {
  background: rgba(0, 212, 255, 0.1) !important;
  border-color: var(--sp-neon-cyan) !important;
  color: var(--sp-neon-cyan) !important;
  box-shadow: var(--sp-glow-cyan) !important;
}

.btn-success { background: linear-gradient(135deg, #059669, var(--sp-neon-green)) !important; border: none !important; color: #fff !important; box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3) !important; }
.btn-success:hover { box-shadow: 0 6px 25px rgba(16, 185, 129, 0.5) !important; transform: translateY(-2px); color: #fff !important; }

.btn-outline-success { border-color: var(--sp-neon-green) !important; color: var(--sp-neon-green) !important; }
.btn-outline-success:hover { background: rgba(16, 185, 129, 0.1) !important; box-shadow: 0 0 15px rgba(16, 185, 129, 0.3); }

.btn-danger { background: linear-gradient(135deg, #dc2626, var(--sp-neon-red)) !important; border: none !important; }
.btn-danger:hover { box-shadow: 0 6px 25px rgba(239, 68, 68, 0.5) !important; transform: translateY(-2px); color: #fff !important; }

.btn-outline-secondary { border-color: var(--sp-border) !important; color: var(--sp-text-secondary) !important; }
.btn-outline-secondary:hover { border-color: var(--sp-neon-cyan) !important; color: var(--sp-neon-cyan) !important; background: rgba(0,212,255,0.05) !important; }

.btn-outline-info { border-color: var(--sp-neon-purple) !important; color: var(--sp-neon-purple) !important; }
.btn-outline-info:hover { background: rgba(139, 92, 246, 0.1) !important; box-shadow: var(--sp-glow-purple) !important; }

.btn-dark { background: var(--sp-bg-secondary) !important; border-color: var(--sp-border) !important; color: var(--sp-text-primary) !important; }
.btn-dark:hover { border-color: var(--sp-neon-cyan) !important; box-shadow: var(--sp-glow-cyan) !important; }

.btn-outline-dark { border-color: var(--sp-border) !important; color: var(--sp-text-secondary) !important; }
.btn-outline-dark:hover { background: rgba(0,212,255,0.05) !important; border-color: var(--sp-neon-cyan) !important; color: var(--sp-neon-cyan) !important; }

.form-control, .form-select {
  background: rgba(13, 17, 23, 0.9) !important;
  border: 1px solid var(--sp-border) !important;
  color: var(--sp-text-primary) !important;
  transition: var(--sp-transition) !important;
}
.form-control:focus, .form-select:focus {
  background: rgba(13, 17, 23, 0.95) !important;
  border-color: var(--sp-neon-cyan) !important;
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15), var(--sp-glow-cyan) !important;
  color: var(--sp-text-primary) !important;
}
.form-control::placeholder { color: var(--sp-text-muted) !important; }

.form-label { color: var(--sp-text-secondary) !important; font-size: 13px; font-weight: 500; }
.form-text { color: var(--sp-text-muted) !important; }

.table {
  color: var(--sp-text-primary) !important;
  border-color: var(--sp-border) !important;
}
.table > thead { background: rgba(30, 42, 58, 0.5); }
.table > thead > tr > th {
  color: var(--sp-text-primary) !important;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--sp-border) !important;
  background: transparent !important;
}
.table > tbody > tr > td {
  border-color: var(--sp-border) !important;
  vertical-align: middle;
  background: transparent !important;
  color: var(--sp-text-primary) !important;
}
.table > tbody > tr { background: transparent !important; }
.table-hover > tbody > tr:hover > * { background: rgba(0, 212, 255, 0.04) !important; }
.table .text-muted { color: var(--sp-text-secondary) !important; }
.table .text-primary { color: var(--sp-neon-cyan) !important; }
.table .text-danger { color: var(--sp-neon-red) !important; }
.table .text-success { color: var(--sp-neon-green) !important; }
.table .text-warning { color: var(--sp-neon-yellow) !important; }

.badge { font-weight: 600; letter-spacing: 0.3px; }
.bg-success { background: var(--sp-neon-green) !important; }
.bg-danger { background: var(--sp-neon-red) !important; }
.bg-warning { background: var(--sp-neon-yellow) !important; color: #000 !important; }
.bg-info { background: var(--sp-neon-purple) !important; }
.bg-primary { background: var(--sp-neon-cyan) !important; }
.bg-secondary { background: var(--sp-bg-secondary) !important; border: 1px solid var(--sp-border); }
.bg-dark { background: var(--sp-bg-secondary) !important; }

.text-primary { color: var(--sp-neon-cyan) !important; }
.text-success { color: var(--sp-neon-green) !important; }
.text-danger { color: var(--sp-neon-red) !important; }
.text-warning { color: var(--sp-neon-yellow) !important; }
.text-info { color: var(--sp-neon-purple) !important; }
.text-muted { color: var(--sp-text-muted) !important; }
.text-secondary { color: var(--sp-text-secondary) !important; }

.border { border-color: var(--sp-border) !important; }

.modal-content {
  background: var(--sp-bg-secondary) !important;
  border: 1px solid var(--sp-border) !important;
  border-radius: 14px !important;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5) !important;
  color: var(--sp-text-primary) !important;
  backdrop-filter: blur(20px) !important;
}
.modal-header {
  background: rgba(30, 42, 58, 0.4) !important;
  border-bottom: 1px solid var(--sp-border) !important;
  border-radius: 14px 14px 0 0 !important;
  color: var(--sp-text-primary) !important;
}
.modal-footer { border-top: 1px solid var(--sp-border) !important; }
.modal-title { color: var(--sp-text-primary) !important; font-weight: 600; }
.btn-close { filter: invert(1) grayscale(100%) brightness(200%); opacity: 0.6; }
.btn-close:hover { opacity: 1; }

.dropdown-menu {
  background: var(--sp-bg-secondary) !important;
  border: 1px solid var(--sp-border) !important;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4) !important;
  backdrop-filter: blur(16px) !important;
}
.dropdown-item {
  color: var(--sp-text-secondary) !important;
  transition: var(--sp-transition) !important;
}
.dropdown-item:hover, .dropdown-item:focus {
  background: rgba(0, 212, 255, 0.08) !important;
  color: var(--sp-neon-cyan) !important;
}
.dropdown-divider { border-color: var(--sp-border) !important; }

.nav-tabs { border-bottom: 1px solid var(--sp-border) !important; }
.nav-tabs .nav-link {
  color: var(--sp-text-muted) !important;
  border: none !important;
  border-bottom: 2px solid transparent !important;
  transition: var(--sp-transition) !important;
}
.nav-tabs .nav-link:hover { color: var(--sp-text-primary) !important; border-color: transparent !important; }
.nav-tabs .nav-link.active {
  background: transparent !important;
  color: var(--sp-neon-cyan) !important;
  border-bottom-color: var(--sp-neon-cyan) !important;
}

.pagination .page-link {
  background: var(--sp-bg-secondary) !important;
  border-color: var(--sp-border) !important;
  color: var(--sp-text-secondary) !important;
}
.pagination .page-link:hover { background: rgba(0,212,255,0.08) !important; border-color: var(--sp-neon-cyan) !important; color: var(--sp-neon-cyan) !important; }
.pagination .page-item.active .page-link { background: var(--sp-neon-cyan) !important; border-color: var(--sp-neon-cyan) !important; color: #000 !important; }

.accordion { border: 1px solid var(--sp-border) !important; border-radius: 12px !important; overflow: hidden; }
.accordion-item {
  background: transparent !important;
  border: none !important;
  border-bottom: 1px solid var(--sp-border) !important;
  color: var(--sp-text-primary) !important;
}
.accordion-item:last-child { border-bottom: none !important; }
.accordion-button {
  background: rgba(19, 26, 36, 0.8) !important;
  color: var(--sp-text-primary) !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}
.accordion-button:not(.collapsed) {
  background: rgba(0, 212, 255, 0.05) !important;
  color: var(--sp-neon-cyan) !important;
}
.accordion-button::after { filter: invert(0.7); }
.accordion-body {
  background: rgba(13, 17, 23, 0.6) !important;
  color: var(--sp-text-secondary) !important;
}

.alert { border-radius: 10px !important; border: 1px solid !important; }
.alert-success { background: rgba(16, 185, 129, 0.1) !important; border-color: rgba(16, 185, 129, 0.3) !important; color: var(--sp-neon-green) !important; }
.alert-danger { background: rgba(239, 68, 68, 0.1) !important; border-color: rgba(239, 68, 68, 0.3) !important; color: var(--sp-neon-red) !important; }
.alert-warning { background: rgba(245, 158, 11, 0.1) !important; border-color: rgba(245, 158, 11, 0.3) !important; color: var(--sp-neon-yellow) !important; }
.alert-info { background: rgba(139, 92, 246, 0.1) !important; border-color: rgba(139, 92, 246, 0.3) !important; color: var(--sp-neon-purple) !important; }

.progress { background: rgba(30, 42, 58, 0.5) !important; border-radius: 10px !important; height: 6px !important; }
.progress-bar { background: linear-gradient(90deg, var(--sp-neon-cyan), var(--sp-neon-purple)) !important; }

.tooltip { font-size: 12px; }
.tooltip-inner { background: var(--sp-bg-secondary) !important; border: 1px solid var(--sp-border) !important; color: var(--sp-text-primary) !important; }

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--sp-bg-deep); }
::-webkit-scrollbar-thumb { background: var(--sp-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--sp-neon-cyan); }

/* Spinner */
.spinner-border { color: var(--sp-neon-cyan) !important; }
.spinner-border-sm { color: var(--sp-neon-cyan) !important; }

/* Selection */
::selection { background: rgba(0, 212, 255, 0.25) !important; color: #fff !important; }

/* Links */
a { color: var(--sp-neon-cyan); text-decoration: none; transition: var(--sp-transition); }
a:hover { color: var(--sp-neon-blue); }

/* Footer */
footer.bg-white { background: var(--sp-bg-secondary) !important; border-top: 1px solid var(--sp-border) !important; color: var(--sp-text-muted) !important; }
footer a { color: var(--sp-text-muted) !important; }
footer a:hover { color: var(--sp-neon-cyan) !important; }

/* Misc */
.border-top { border-color: var(--sp-border) !important; }
.border-bottom { border-color: var(--sp-border) !important; }
.border-start { border-color: var(--sp-border) !important; }
.border-end { border-color: var(--sp-border) !important; }

.bg-light { background: var(--sp-bg-secondary) !important; }
.bg-white { background: var(--sp-bg-card) !important; }

.rounded-3 { border-radius: 12px !important; }
.rounded-4 { border-radius: 14px !important; }

.shadow-sm { box-shadow: 0 2px 10px rgba(0,0,0,0.3) !important; }
.shadow { box-shadow: 0 4px 20px rgba(0,0,0,0.35) !important; }
.shadow-lg { box-shadow: 0 10px 40px rgba(0,0,0,0.4) !important; }

.text-body { color: var(--sp-text-primary) !important; }
small, .small { color: var(--sp-text-muted) !important; font-size: 12px; }

/* Focus visible */
:focus-visible { outline: 2px solid var(--sp-neon-cyan); outline-offset: 2px; }

/* Hero section */
.hero {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(139, 92, 246, 0.06) 50%, rgba(14, 165, 233, 0.04) 100%) !important;
  border-bottom: 1px solid var(--sp-border) !important;
  color: var(--sp-text-primary) !important;
}
.hero h1 { color: var(--sp-text-primary) !important; font-weight: 700; }
.hero .lead { color: var(--sp-text-secondary) !important; }
.hero::before, .hero::after { display: none !important; }

.feature-icon { color: var(--sp-neon-cyan) !important; }
.feature-icon.bg-primary { background: rgba(0, 212, 255, 0.1) !important; }
.feature-icon.bg-success { background: rgba(16, 185, 129, 0.1) !important; }
.feature-icon.bg-warning { background: rgba(245, 158, 11, 0.1) !important; }
.feature-icon.bg-info { background: rgba(139, 92, 246, 0.1) !important; }

/* Domain card hover */
.domain-card {
  transition: var(--sp-transition) !important;
  border: 1px solid var(--sp-border) !important;
}
.domain-card:hover {
  transform: translateY(-4px) !important;
  border-color: var(--sp-neon-cyan) !important;
  box-shadow: var(--sp-glow-cyan) !important;
}
.domain-card .card-body { color: var(--sp-text-primary) !important; }
.domain-card h6 { color: var(--sp-neon-cyan) !important; }
.domain-card .table { color: var(--sp-text-primary) !important; }
.domain-card .table td { border-color: var(--sp-border) !important; color: var(--sp-text-primary) !important; }
.domain-card .table .text-muted { color: var(--sp-text-secondary) !important; }
.domain-card .table .text-primary { color: var(--sp-neon-cyan) !important; }
.domain-card .table .text-danger { color: #ff6b6b !important; }
.domain-card .table .text-success { color: #10b981 !important; }
.domain-card .table .text-warning { color: #fbbf24 !important; }

/* Input group */
.input-group-text {
  background: rgba(30, 42, 58, 0.6) !important;
  border: 1px solid var(--sp-border) !important;
  color: var(--sp-text-secondary) !important;
}

/* Sidebar (admin) */
.sidebar {
  background: linear-gradient(180deg, #0a1018 0%, var(--sp-bg-secondary) 100%) !important;
  border-right: 1px solid var(--sp-border) !important;
}
.sidebar .nav-link:hover { color: var(--sp-neon-cyan) !important; background: rgba(0,212,255,0.06) !important; }
.sidebar .nav-link.active { color: var(--sp-neon-cyan) !important; background: rgba(0,212,255,0.08) !important; border-left-color: var(--sp-neon-cyan) !important; }
.sidebar-header { border-color: var(--sp-border) !important; }
.sidebar-header h5 { color: var(--sp-text-primary) !important; }
.sidebar-header small { color: var(--sp-text-muted) !important; }

/* Toast */
.toast { background: var(--sp-bg-secondary) !important; border: 1px solid var(--sp-border) !important; color: var(--sp-text-primary) !important; }

/* Code */
code { color: var(--sp-neon-cyan); background: rgba(0,212,255,0.08); padding: 2px 6px; border-radius: 4px; font-size: 0.875em; }

/* HR */
hr { border-color: var(--sp-border) !important; opacity: 0.6; }

/* Footer links */
.footer-links a { color: var(--sp-text-muted) !important; margin-right: 16px; transition: var(--sp-transition); }
.footer-links a:hover { color: var(--sp-neon-cyan) !important; }