:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --bg-light: #f8f9fa;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --border-radius: 16px;
}

body {
    background-color: #f0f2f5;
    font-family: 'Inter', sans-serif;
    color: #2d3436;
}

.navbar {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 15px 0;
}

.navbar-brand {
    font-weight: 800;
    color: var(--primary-color) !important;
    font-size: 1.5rem;
}

.nav-link {
    color: #636e72 !important;
    font-weight: 500;
    padding: 8px 20px !important;
}

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

.hero-section {
    padding: 80px 0 40px;
}

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.qr-type-sidebar {
    background: #fff;
    border-right: 1px solid #eee;
}

.list-group-item {
    border: none;
    padding: 15px 25px;
    font-weight: 500;
    color: #636e72;
    transition: all 0.3s;
}

.list-group-item.active {
    background: #f0f3ff !important;
    color: var(--primary-color) !important;
    border-left: 4px solid var(--primary-color);
}

.btn-primary {
    background: var(--primary-color);
    border: none;
    padding: 12px 30px;
    border-radius: 12px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

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

.footer {
    background: #1a1d20;
    color: #fff;
    padding: 60px 0 30px;
}

.footer h5 {
    font-weight: 700;
    margin-bottom: 25px;
}

.footer-link {
    color: #a4b0be;
    text-decoration: none;
    transition: 0.3s;
    display: block;
    margin-bottom: 10px;
}

.footer-link:hover {
    color: #fff;
    padding-left: 5px;
}

/* Blog Styles */
.blog-card {
    transition: 0.3s;
}

.blog-card:hover {
    transform: translateY(-10px);
}

.blog-thumb {
    height: 200px;
    object-fit: cover;
}

/* Admin Styles */
.admin-sidebar {
    min-height: 100vh;
    background: #fff;
    border-right: 1px solid #eee;
}