/* Modern Futuristic Theme */
:root {
    --primary-color: #1565c0; /* Deep blue for high contrast */
    --secondary-color: #ffeb3b; /* Bright yellow for highlights */
    --success-color: #43a047; /* Vivid green */
    --warning-color: #ff7043; /* Orange for warnings */
    --danger-color: #d32f2f; /* Strong red */
    --dark-color: #0a1929; /* Very dark background */
    --light-color: #ffffff; /* Pure white for text backgrounds */
    --gray-color: #b0bec5; /* Lighter gray for text */
    --gradient-primary: linear-gradient(135deg, #1565c0 0%, #ffeb3b 100%);
    --gradient-secondary: linear-gradient(135deg, #ffeb3b 0%, #1565c0 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    background-color: var(--dark-color);
    color: var(--light-color);
    min-height: 100vh;
}

/* Modern Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Futuristic Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
}

.logo {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.logo:hover {
    background: rgba(33, 150, 243, 0.1);
}

.nav-links {
    display: flex;
    gap: 1rem;
    list-style: none;
}

.nav-links a {
    color: var(--dark-color);
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.nav-links a:hover::before {
    left: 100%;
}

/* Modern Cards */
.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.card:hover::before {
    opacity: 1;
}

/* Futuristic Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-color);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #373b3f;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: rgb(68, 66, 66);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.1);
    outline: none;
}

/* Modern Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Futuristic Tables */
.table-responsive {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background: rgba(33, 150, 243, 0.05);
    padding: 1rem 1.5rem;
    font-weight: 600;
    text-align: left;
    color: var(--dark-color);
    border-bottom: 2px solid rgba(33, 150, 243, 0.1);
}

.table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #edf2f7;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: rgba(33, 150, 243, 0.02);
}

/* Modern Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    transition: var(--transition);
}

.badge-success { 
    background: linear-gradient(135deg, #00c853 0%, #69f0ae 100%);
    color: white;
}

.badge-warning { 
    background: linear-gradient(135deg, #ffd600 0%, #ffeb3b 100%);
    color: #333;
}

.badge-danger { 
    background: linear-gradient(135deg, #ff1744 0%, #ff5252 100%);
    color: white;
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    color: white;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1;
}

.stat-label {
    color: var(--gray-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Charts */
.chart-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.chart-card:hover {
    box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .nav-container {
        flex-direction: column;
        padding: 1rem;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        margin-top: 1rem;
    }

    .nav-links a {
        width: 100%;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .table-responsive {
        margin: 0 -1rem;
        width: calc(100% + 2rem);
        border-radius: 0;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    body {
        background: #0a1929;
        color: #e1e8f0;
    }

    .navbar {
        background: rgba(10, 25, 41, 0.95);
    }

    .card, .stat-card, .chart-card {
        background: #132f4c;
        border-color: rgba(255, 255, 255, 0.1);
    }

    .form-control {
        background: #132f4c;
        border-color: #1e4976;
        color: #e1e8f0;
    }

    .table th {
        background: rgba(33, 150, 243, 0.1);
    }

    .table td {
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }

    .nav-links a {
        color: #e1e8f0;
    }
}

/* Loading Animation */
.loading-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 1001;
    background: var(--gradient-primary);
    animation: loadingProgress 2s ease-in-out infinite;
}

@keyframes loadingProgress {
    0% { width: 0; left: 0; }
    50% { width: 100%; left: 0; }
    100% { width: 0; left: 100%; }
}

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

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-secondary);
}