:root {
    --black: #0f0f0f;
    --dark: #1a1a1a;
    --gold: #d4af37;
    --gold-hover: #b8962e;
    --text-light: #f5f5f5;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Cairo', sans-serif;
    background: linear-gradient(135deg, #0f0f0f, #1a1a1a);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

/* Box */
.login-box {
    background: #111;
    padding: 40px 35px;
    border-radius: 18px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    border: 1px solid rgba(212,175,55,0.25);
}

/* Title */
.login-box h1 {
    margin-bottom: 8px;
    font-size: 26px;
    text-align: center;
    color: var(--gold);
}

.login-box p {
    margin-bottom: 28px;
    text-align: center;
    color: #aaa;
    font-size: 14px;
}

/* Fields */
.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: #ddd;
}

.field input {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #333;
    background: #0f0f0f;
    color: #fff;
    font-size: 14px;
}

.field input:focus {
    outline: none;
    border-color: var(--gold);
}

/* Button */
.btn-login {
    width: 100%;
    padding: 13px;
    background: var(--gold);
    border: none;
    border-radius: 12px;
    color: #000;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 10px;
    transition: 0.3s;
}

.btn-login:hover {
    background: var(--gold-hover);
}

@media (max-width: 480px) {
    .login-box {
        padding: 30px 22px;
    }

    .login-box h1 {
        font-size: 22px;
    }

    .btn-login {
        font-size: 14px;
    }
}


@media (min-width: 1200px) {
    .login-box {
        max-width: 420px;
    }
}