/* login.css و register.css */
:root {
    --brand-green: #5a8c5a;
    --brand-dark: #3e5c3e;
    --accent: #c59a3d;
    --muted: #f5f5f5;
    --text-dark: #2b2b2b;
    font-family: 'Vazir', Tahoma, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    background: linear-gradient(180deg, #f3fbf6 0%, #f6f9f6 100%);
    margin: 0;
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

form {
    background: white;
    padding: 30px;
    border-radius: 14px;
    box-shadow: 0 6px 20px rgba(43, 43, 43, 0.06);
    width: 100%;
    max-width: 400px;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

form:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(43, 43, 43, 0.10);
}

h1 {
    text-align: center;
    color: var(--brand-dark);
    margin-bottom: 25px;
    font-size: 24px;
}

.inp {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.2s ease;
    background: var(--muted);
}

.inp:focus {
    outline: none;
    border-color: var(--brand-green);
    box-shadow: 0 0 0 3px rgba(90, 140, 90, 0.1);
}

.btn {
    width: 100%;
    background: linear-gradient(90deg, var(--brand-green), var(--brand-dark));
    color: white;
    padding: 12px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    font-family: inherit;
    font-size: 16px;
    transition: transform 0.18s ease;
    box-shadow: 0 6px 18px rgba(90, 140, 90, 0.12);
}

.btn:hover {
    transform: translateY(-2px);
}

a {
    color: var(--brand-green);
    text-decoration: none;
    transition: color 0.2s ease;
    display: inline-block;
    text-align: center;
    width: 100%;
}

a:hover {
    color: var(--brand-dark);
    text-decoration: underline;
}

/* استایل مخصوص register.php برای فیلد آدرس */
input[name="address"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.2s ease;
    background: var(--muted);
    margin-bottom: 15px;
}

input[name="address"]:focus {
    outline: none;
    border-color: var(--brand-green);
    box-shadow: 0 0 0 3px rgba(90, 140, 90, 0.1);
}

/* استایل برای پیام خطا */
.error-message {
    color: #ff6b6b;
    font-weight: bold;
    text-align: center;
    margin-top: 15px;
    padding: 10px;
    background: rgba(255, 107, 107, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 107, 107, 0.2);
}

/* رسپانسیو */
@media (max-width: 480px) {
    body {
        padding: 15px;
    }
    
    form {
        padding: 20px;
    }
    
    h1 {
        font-size: 20px;
    }
}