:root {
    --bg-primary: #f8f9fa;
    --bg-card: #ffffff;
    --text-main: #111111;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --accent-blue: #007BFF;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-main);
    margin: 0;
    padding: 0;
}

/* Auth Portal Structure */
.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    max-width: 520px;
    width: 100%;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    box-shadow: 0 25px 55px rgba(0, 0, 0, 0.15);
    padding: 45px;
}

/* Input Fields and Buttons */
.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 18px;
    font-size: 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.15);
}

.btn-login, .btn-primary {
    background-color: #111111;
    color: #ffffff;
    font-weight: 700;
    padding: 14px;
    border-radius: 12px;
    border: none;
    transition: all 0.2s ease;
}

.btn-login:hover, .btn-primary:hover {
    background-color: var(--accent-blue);
    transform: translateY(-1px);
}

/* Premium Navbar Layout */
.premium-nav {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    z-index: 1030;
}

/* Mobile Breakpoints Override Setup */
@media (max-width: 768px) {
    .auth-card {
        padding: 25px;
    }
    #catalogGrid .col-md-4 {
        width: 100%;
        margin-bottom: 15px;
    }
}