:root {
    --bg-color: #0f172a;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-success: #10b981;
    --accent-danger: #ef4444;
    --accent-warning: #f59e0b;
    --accent-info: #3b82f6;
    --accent-primary: #6366f1;
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: blur(12px);
    --transition-speed: 0.3s;
}

body {
    background: var(--bg-color);
    background-image: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: 'Inter', "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
}

/* Navbar Overrides */
.navbar {
    background: rgba(15, 23, 42, 0.8) !important;
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--card-border) !important;
}

.navbar-brand,
.nav-link {
    color: var(--text-primary) !important;
}

.nav-link:hover {
    color: var(--accent-primary) !important;
}

/* Card Styles - Glassmorphism */
.card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    color: var(--text-primary);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glass-shadow);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-header {
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid var(--card-border);
    padding: 1.25rem;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--card-border);
}

/* Text Colors */
.text-muted {
    color: var(--text-secondary) !important;
}

.text-success {
    color: var(--accent-success) !important;
}

.text-danger {
    color: var(--accent-danger) !important;
}

.text-warning {
    color: var(--accent-warning) !important;
}

.text-info {
    color: var(--accent-info) !important;
}

.text-primary {
    color: var(--accent-primary) !important;
}

/* Badges */
.badge {
    padding: 0.5em 0.8em;
    border-radius: 6px;
    font-weight: 500;
    letter-spacing: 0.025em;
}

.bg-success {
    background-color: rgba(16, 185, 129, 0.2) !important;
    color: #34d399 !important;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.bg-danger {
    background-color: rgba(239, 68, 68, 0.2) !important;
    color: #f87171 !important;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.bg-warning {
    background-color: rgba(245, 158, 11, 0.2) !important;
    color: #fbbf24 !important;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.bg-info {
    background-color: rgba(59, 130, 246, 0.2) !important;
    color: #60a5fa !important;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.bg-primary {
    background-color: rgba(99, 102, 241, 0.2) !important;
    color: #818cf8 !important;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.bg-secondary {
    background-color: rgba(148, 163, 184, 0.2) !important;
    color: #cbd5e1 !important;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

/* Progress Bars */
.progress {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar {
    border-radius: 999px;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.btn-primary:hover {
    background: #4f46e5;
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.23);
    transform: translateY(-1px);
}

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

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

/* Tables */
.table {
    color: var(--text-primary);
    border-color: var(--card-border);
}

.table> :not(caption)>*>* {
    background-color: transparent;
    border-bottom-color: var(--card-border);
    color: var(--text-primary);
}

/* Status Indicators */
.status-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}

.status-online {
    background-color: var(--accent-success);
    box-shadow: 0 0 10px var(--accent-success);
    animation: pulse 2s infinite;
}

.status-offline {
    background-color: var(--accent-danger);
    box-shadow: 0 0 10px var(--accent-danger);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }

    70% {
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Breadcrumb */
.breadcrumb-item a {
    color: var(--accent-primary);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--text-secondary);
}

.breadcrumb-item+.breadcrumb-item::before {
    color: var(--text-secondary);
}

/* Nav Tabs */
.nav-tabs {
    border-bottom-color: var(--card-border);
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
}

.nav-tabs .nav-link:hover {
    color: var(--text-primary);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--accent-primary);
    background: transparent;
    border-bottom: 2px solid var(--accent-primary);
}

/* Alerts */
.alert {
    border: 1px solid;
    backdrop-filter: var(--glass-blur);
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

/* Animations */
.hover-scale {
    transition: transform 0.2s;
}

.hover-scale:hover {
    transform: scale(1.05);
}