.auth-container {
    max-width: 420px;
    margin: 8rem auto 4rem;
    padding: 2rem;
}

.auth-card {
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s;
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
    background: var(--primary-dark);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
}

.alert {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.alert-error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-info {
    background: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
}

.alert-success {
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .auth-container {
        margin: 5rem auto 2rem;
        padding: 1rem;
    }

    .auth-card {
        padding: 2rem 1.5rem;
        border-radius: 16px;
    }

    .auth-header h1 {
        font-size: 1.5rem;
    }

    .auth-header p {
        font-size: 0.9rem;
    }

    .auth-header i {
        font-size: 2.5rem !important;
    }

    .form-control {
        padding: 0.75rem 0.875rem;
        font-size: 16px;
        /* Prevents zoom on iOS */
    }

    .btn-submit {
        padding: 0.875rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .auth-container {
        margin: 4rem auto 1.5rem;
        padding: 0.75rem;
    }

    .auth-card {
        padding: 1.5rem 1.25rem;
    }

    .auth-header h1 {
        font-size: 1.35rem;
    }

    .form-group label {
        font-size: 0.9rem;
    }
}