:root {
    /* Color Palette */
    --primary-color: #6f42c1;
    /* Purple */
    --secondary-color: #0dcaf0;
    /* Cyan */
    --accent-color: #d63384;
    /* Pink */
    --dark-bg: #0f0f1a;
    /* Deep Blue/Black */
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-light: #f8f9fa;
    --text-muted: #adb5bd;
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --nav-bg: rgba(15, 15, 26, 0.8);
    --nav-text: rgba(255, 255, 255, 0.7);
}

[data-theme="light"] {
    --primary-color: #6f42c1;
    --secondary-color: #0d6efd;
    /* Darker blue for light mode visibility */
    --accent-color: #d63384;
    --dark-bg: #f8f9fa;
    /* Light background */
    --card-bg: rgba(255, 255, 255, 0.7);
    /* More opaque for light mode */
    --text-light: #212529;
    /* Dark text */
    --text-muted: #6c757d;
    --glass-border: 1px solid rgba(0, 0, 0, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
    --nav-bg: rgba(255, 255, 255, 0.8);
    --nav-text: rgba(0, 0, 0, 0.7);
}

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

/* Glassmorphism Utilities */
.glass-panel {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 15px;
}

.glass-nav {
    background: var(--nav-bg) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: var(--glass-border);
}

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

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

/* Typography Overrides */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-light);
    font-weight: 600;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(111, 66, 193, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(111, 66, 193, 0.6);
    color: white;
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--text-light);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-light);
}

/* Cards */
.card {
    background: var(--card-bg);
    border: var(--glass-border);
    color: var(--text-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--secondary-color);
}

/* Form Controls */
.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: var(--glass-border);
    color: var(--text-light);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--secondary-color);
    color: var(--text-light);
    box-shadow: 0 0 0 0.25rem rgba(13, 202, 240, 0.25);
}

/* Navbar */
.navbar-brand img {
    border: 2px solid var(--secondary-color) !important;
    box-shadow: 0 0 10px var(--secondary-color);
}

.nav-link {
    color: var(--nav-text) !important;
    position: relative;
}

.nav-link.active,
.nav-link:hover {
    color: var(--secondary-color) !important;
    text-shadow: 0 0 10px rgba(13, 202, 240, 0.5);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--secondary-color);
    transition: width 0.3s;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Footer */
.footer {
    background: rgba(15, 15, 26, 0.95) !important;
    border-top: var(--glass-border);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

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

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 5px;
}

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