:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --bg-color: #f4f7f6;
    --text-color: #333;
    --card-bg: #fff;
    --header-bg: #2d3436;
    --header-text: #fff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.main-header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--header-text);
    text-decoration: none;
}

.main-nav a {
    color: var(--header-text);
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: var(--secondary-color);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* Auth Forms */
.auth-container {
    max-width: 400px;
    margin: 50px auto;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.auth-container input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.auth-container button {
    width: 100%;
    padding: 10px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.error { color: #e74c3c; }
.success { color: #2ecc71; }

/* Footer */
.main-footer {
    background-color: var(--header-bg);
    color: var(--header-text);
    text-align: center;
    padding: 1rem 0;
    margin-top: auto;
}

/* Cart & Wallet Badges */
.cart-badge {
    background: #e74c3c;
    color: white;
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 0.8rem;
    vertical-align: top;
}

.in-stock { color: #2ecc71; font-weight: bold; }
.out-stock { color: #e74c3c; font-weight: bold; }

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-content { flex-direction: column; gap: 1rem; }
    .main-nav { display: flex; flex-wrap: wrap; justify-content: center; }
    .main-nav a { margin: 5px 10px; }
}