:root {
    --primary-color: #4353AC;
    --primary-dark: #2f3b7a;
    --secondary-color: #E61E1E;
    --accent-color: #FFCC00;
    --text-color: #333333;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-light);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* Navbar */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    color: var(--primary-color) !important;
}

.nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
}

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

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-warning {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #000;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 80px 0;
}

.hero h1 {
    font-weight: 800;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Features */
.feature-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

/* Products */
.product-card {
    border: none;
    transition: transform 0.3s;
    height: 100%;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.price-tag {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 50px 0 20px;
    margin-top: 50px;
}

footer a {
    color: #bdc3c7;
    text-decoration: none;
}

footer a:hover {
    color: var(--white);
}

.social-icons a {
    font-size: 1.5rem;
    margin-right: 15px;
}

/* Auth */
.auth-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 30px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Admin */
.admin-sidebar {
    background-color: #343a40;
    color: white;
    min-height: 100vh;
}

.admin-sidebar a {
    color: rgba(255,255,255,0.8);
    padding: 10px 20px;
    display: block;
    text-decoration: none;
}

.admin-sidebar a:hover, .admin-sidebar a.active {
    background-color: var(--primary-color);
    color: white;
}