:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #a855f7;
    --accent-color: #f43f5e;
    --bg-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --bg-light: #f8fafc;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-xl: 1rem;
    --radius-lg: 0.75rem;
}

[data-theme="dark"] {
    --primary-color: #818cf8;
    --primary-hover: #6366f1;
    --secondary-color: #c084fc;
    --bg-light: #0f172a;
    --bg-gradient: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);

    /* Bootstrap Overrides for Dark Mode */
    --bs-body-bg: var(--bg-light);
    --bs-body-color: var(--text-main);
    --bs-card-bg: var(--glass-bg);
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-main);
}

/* Semantic Utility Classes */
.bg-card {
    background-color: var(--glass-bg) !important;
}

.bg-body-tertiary-theme {
    background-color: rgba(255, 255, 255, 0.05) !important;
}

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

.text-muted-theme {
    color: var(--text-muted) !important;
}

/* Dark Mode Specific Overrides */
[data-theme="dark"] .bg-white {
    background-color: var(--glass-bg) !important;
    color: var(--text-main) !important;
}

[data-theme="dark"] .bg-light {
    background-color: rgba(255, 255, 255, 0.05) !important;
    color: var(--text-main) !important;
}

[data-theme="dark"] .text-dark {
    color: var(--text-main) !important;
}

[data-theme="dark"] .text-muted {
    color: #94a3b8 !important;
}

[data-theme="dark"] .border {
    border-color: var(--glass-border) !important;
}

[data-theme="dark"] .table {
    color: var(--text-main);
}

[data-theme="dark"] .table-hover tbody tr:hover {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .form-control {
    background-color: rgba(0, 0, 0, 0.2);
    border-color: var(--glass-border);
    color: var(--text-main);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] .input-group-text {
    background-color: rgba(0, 0, 0, 0.3);
    border-color: var(--glass-border);
    color: var(--text-main);
}

[data-theme="dark"] .glass-nav {
    background: rgba(30, 41, 59, 0.8);
    border-bottom-color: var(--glass-border);
}

[data-theme="dark"] .btn-light {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--glass-border);
    color: var(--text-main);
}

[data-theme="dark"] .btn-white {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--glass-border);
    color: var(--text-main);
}

body {
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    overflow-x: hidden;
}

/* Glassmorphism Classes */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
}

.glass-nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* Modern Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* Premium Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: var(--radius-lg);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.5);
}

/* Auth Pages */
.auth-wrapper {
    min-height: 100vh;
    background: var(--bg-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    max-width: 450px;
    width: 100%;
    padding: 3rem;
    animation: fadeInScale 0.6s ease-out;
}

/* Animations */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* List & Cards refinements */
.card {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.badge {
    padding: 0.5em 0.8em;
    border-radius: 0.5rem;
    font-weight: 600;
}

/* Stats Cards */
.stats-card {
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

/* Responsive Overrides */
@media (max-width: 768px) {
    .glass-card {
        padding: 1.5rem !important;
        /* Reduce padding on mobile */
    }

    .navbar-brand img {
        max-height: 40px !important;
        /* Smaller logo */
    }

    h1.display-5 {
        font-size: 2rem;
        /* Smaller headings */
    }

    .glass-nav .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
}