/* ============ VARIABLES Y RESET ============ */
:root {
    --primary-color: #d32f2f;
    --secondary-color: #232f3e;
    --error-color: #ff9900;
    --success-color: #4CAF50;
    --text-color: #333;
    --light-bg: #f0f2f5;
    --white: #fff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--light-bg);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ============ HEADER STYLES ============ */
header {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem;
    text-align: center;
}

/* ============ AUTH CONTAINER ============ */
.auth-container {
    max-width: 500px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

/* ============ FORM STYLES ============ */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

button[type="submit"] {
    width: 100%;
    padding: 1rem;
    background: var(--error-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

button[type="submit"]:hover {
    background: #e68a00;
}

/* ============ ERROR MESSAGES ============ */
.error {
    color: #d32f2f;
    background: #ffebee;
    padding: 0.8rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    text-align: center;
}

/* ============ AUTH LINKS ============ */
.auth-links {
    margin-top: 1.5rem;
    text-align: center;
}

.auth-links a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* ============ MEDIA QUERIES ============ */
@media (max-width: 600px) {
    .auth-container {
        padding: 1rem;
        margin: 1rem;
    }
    
    header {
        padding: 0.8rem;
    }
    
    .form-group input {
        padding: 0.7rem;
    }
    
    button[type="submit"] {
        padding: 0.8rem;
    }
}