:root {
    --primary: #112250;
    --secondary: #3C507D;
    --accent: #E0C58F;
    --light: #F5F0E9;
    --neutral: #D9CBC2;
}

/* RESET */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    min-height: 100vh;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.login-container {
    display: flex;
    gap: 40px;
    max-width: 1200px;
    width: 100%;
    align-items: stretch;
}

.login-left {
    flex: 1;
    background: #fff;
    border-radius: 24px;
    padding: 50px 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-right {
    flex: 0.7;
    background: #fff;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.brand h1 {
    margin: 0 0 12px;
    font-size: 2rem;
    color: #111827;
}

.brand h1 span {
    color: #667eea;
}

.brand p {
    margin: 0 0 30px;
    color: #6b7280;
    font-size: 1.05rem;
    line-height: 1.5;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.features div {
    color: #374151;
    font-size: 1rem;
}

.login-box h2 {
    margin: 0 0 24px;
    font-size: 1.5rem;
    color: #111827;
}

.login-box form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-box input {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid #d1d5db;
    border-radius: 12px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.login-box input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.login-box button {
    width: 100%;
    padding: 14px 16px;
    border: none;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
    margin-top: 6px;
}

.login-box button:hover {
    transform: translateY(-2px);
}

.error {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.95rem;
    border-left: 4px solid #dc2626;
}

/* TABLET */
@media (max-width: 1024px) {
    .login-container {
        gap: 30px;
    }

    .login-left,
    .login-right {
        padding: 40px;
    }

    .brand h1 {
        font-size: 1.8rem;
    }
}

/* MOBILE */
@media (max-width: 768px) {
    body {
        padding: 12px;
    }

    .login-container {
        flex-direction: column;
        gap: 0;
    }

    .login-left {
        border-radius: 24px 24px 0 0;
        padding: 40px 24px;
    }

    .login-right {
        border-radius: 0 0 24px 24px;
        padding: 30px 24px;
    }

    .brand h1 {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }

    .brand p {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    .features div {
        font-size: 0.95rem;
    }

    .login-box h2 {
        font-size: 1.3rem;
        margin-bottom: 18px;
    }

    .login-box input {
        padding: 12px 14px;
        font-size: 16px;
    }

    .login-box button {
        padding: 12px 14px;
    }
}

/* MOBILE KECIL */
@media (max-width: 480px) {
    body {
        padding: 8px;
    }

    .login-left {
        padding: 32px 20px;
    }

    .login-right {
        padding: 24px 20px;
    }

    .brand h1 {
        font-size: 1.3rem;
    }

    .brand p {
        font-size: 0.9rem;
        margin-bottom: 16px;
    }

    .features {
        gap: 10px;
    }

    .features div {
        font-size: 0.9rem;
    }

    .login-box h2 {
        font-size: 1.2rem;
        margin-bottom: 14px;
    }

    .login-box form {
        gap: 12px;
    }

    .login-box input {
        padding: 11px 13px;
        font-size: 16px;
    }

    .login-box button {
        padding: 11px 13px;
        font-size: 0.95rem;
    }
}