/* APSD Futuristic Theme */
:root {
    --neon-cyan: #00d9ff;
    --neon-purple: #b06bff;
    --neon-pink: #ff6bcb;
    --dark-bg: #0a0e1a;
    --card-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #00d9ff 0%, #0077ff 100%);
    --gradient-3: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* Custom Background */
body {
    background: #0a0e1a;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 10% 20%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 80%, rgba(0, 217, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(176, 107, 255, 0.1) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

/* Glassmorphism Cards */
.card {
    background: var(--card-bg) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border) !important;
    border-radius: 16px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 217, 255, 0.3) !important;
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(0, 217, 255, 0.2);
}

.card-header {
    background: rgba(255, 255, 255, 0.05) !important;
    border-bottom: 1px solid var(--glass-border) !important;
    border-radius: 16px 16px 0 0 !important;
}

/* Modern Buttons */
.btn-primary {
    background: var(--gradient-2) !important;
    border: none !important;
    border-radius: 10px !important;
    padding: 0.6rem 1.5rem !important;
    font-weight: 600 !important;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 119, 255, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(0, 119, 255, 0.4),
        0 0 30px rgba(0, 217, 255, 0.3);
}

/* Enhanced Navbar */
.navbar {
    background: rgba(15, 23, 42, 0.8) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-2);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Footer Enhancement */
.footer {
    background: rgba(15, 23, 42, 0.8) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
}

/* Alert Styling */
.alert-info {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15) 0%, rgba(0, 119, 255, 0.15) 100%) !important;
    border: 1px solid rgba(0, 217, 255, 0.3) !important;
    border-radius: 12px !important;
    backdrop-filter: blur(10px);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.15) 0%, rgba(255, 152, 0, 0.15) 100%) !important;
    border: 1px solid rgba(255, 193, 7, 0.3) !important;
    border-radius: 12px !important;
    backdrop-filter: blur(10px);
}

/* Typography Enhancements */
.display-4 {
    font-weight: 700 !important;
    background: linear-gradient(135deg, #ffffff 0%, var(--neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-bottom: 0.25em !important;
    line-height: 1.6 !important;
    overflow: visible !important;
    display: inline-block;
}

.lead {
    color: rgba(255, 255, 255, 0.7) !important;
}

.text-muted {
    color: rgba(255, 255, 255, 0.6) !important;
}

/* Code Blocks */
code, .mono {
    background: rgba(0, 217, 255, 0.1) !important;
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 6px;
    padding: 2px 8px;
    color: var(--neon-cyan) !important;
}

/* Tables */
.table {
    color: rgba(255, 255, 255, 0.9) !important;
}

.table thead th {
    background: rgba(255, 255, 255, 0.05) !important;
    border-color: var(--glass-border) !important;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background: rgba(0, 217, 255, 0.05) !important;
}

.table td, .table th {
    border-color: var(--glass-border) !important;
}

/* Accent Lines */
hr {
    border-color: var(--glass-border) !important;
    opacity: 0.3;
}

/* Theme Toggle Button */
#themeToggle {
    transition: transform 0.3s ease;
}

#themeToggle:hover {
    transform: rotate(180deg);
}

/* Light Theme Adjustments */
[data-bs-theme="light"] {
    --dark-bg: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
}

[data-bs-theme="light"] body {
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

[data-bs-theme="light"] body::before {
    background: 
        radial-gradient(ellipse at 10% 20%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 80%, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
}

[data-bs-theme="light"] .card {
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 0 1px rgba(0, 0, 0, 0.05);
}

[data-bs-theme="light"] .card:hover {
    border-color: rgba(0, 119, 255, 0.3) !important;
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        0 0 20px rgba(0, 119, 255, 0.1);
}

[data-bs-theme="light"] .display-4 {
    background: linear-gradient(135deg, #1a1a1a 0%, #0077ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-bottom: 0.25em !important;
    line-height: 1.6 !important;
    overflow: visible !important;
    display: inline-block;
}

[data-bs-theme="light"] .text-muted {
    color: rgba(0, 0, 0, 0.6) !important;
}

[data-bs-theme="light"] .lead {
    color: rgba(0, 0, 0, 0.7) !important;
}

[data-bs-theme="light"] .navbar,
[data-bs-theme="light"] .footer {
    background: rgba(255, 255, 255, 0.8) !important;
}

[data-bs-theme="light"] code,
[data-bs-theme="light"] .mono {
    background: rgba(0, 119, 255, 0.1) !important;
    border-color: rgba(0, 119, 255, 0.2);
    color: #0077ff !important;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-2);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #00d9ff 0%, #b06bff 100%);
}

/* Animation Classes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
    }
    50% {
        opacity: 0.6;
        box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
    }
}

.status-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    background: #22c55e;
    border-radius: 50%;
    margin-right: 8px;
    animation: pulse 2s ease-in-out infinite;
    vertical-align: middle;
}

.card {
    animation: fadeInUp 0.6s ease-out;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }