/* WhatsApp Inspired Styles */
:root {
    --whatsapp-green: #25D366;
    --whatsapp-dark-green: #128C7E;
    --whatsapp-light-gray: #ECE5DD;
    --white: #FFFFFF;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--whatsapp-green), var(--whatsapp-dark-green));
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.mobile-container {
    width: 100%;
    max-width: 400px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.mobile-header {
    background: linear-gradient(135deg, var(--whatsapp-dark-green), var(--whatsapp-green));
    color: var(--white);
    text-align: center;
    padding: 2rem 1rem;
}

.mobile-header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.form-container {
    padding: 2rem;
}

/* 🔥 FORM GROUP FIX - SUPER COMPACT */
.form-group {
    margin-bottom: 0.6rem; /* 🔥 EXTREME RAPAT */
    padding: 0.4rem; /* 🔥 MINIMAL PADDING */
    background: rgba(236, 229, 221, 0.3);
    border-radius: 6px;
}

.form-group label {
    display: block;
    margin-bottom: 0.1rem; /* 🔥 NYEMPEL BANGET! */
    font-weight: 600;
    color: #2A2A2A;
    font-size: 0.8rem; /* 🔥 SUPER KECIL */
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 6px 8px; /* 🔥 MINIMAL PADDING */
    border: 1px solid var(--whatsapp-light-gray); /* 🔥 Border lebih tipis */
    border-radius: 4px;
    font-size: 0.85rem; /* 🔥 Font kecil */
}

/* Tombol Submit */
.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--whatsapp-green), var(--whatsapp-dark-green));
    color: var(--white);
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

/* Alert & Info Box */
.alert {
    padding: 12px 15px;
    border-radius: 10px;
    margin: 1rem 0;
}

.alert-success {
    background: #D4EDDA;
    color: #155724;
}

.alert-error {
    background: #F8D7DA;
    color: #721C24;
}

.info-box {
    background: #e3f2fd;
    border: 1px solid #2196f3;
    border-radius: 6px;
    padding: 4px 10px; /* 🔥 SUPER MINIMAL */
    margin-bottom: 0.3rem; /* 🔥 HAMPIR NYEMPEL */
    font-size: 12px; /* 🔥 LEBIH KECIL LAGI */
    color: #1976d2;
}

.mobile-footer {
    background: var(--whatsapp-light-gray);
    text-align: center;
    padding: 1rem;
    font-size: 0.8rem;
    color: #666;
}

/* Responsive */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    .form-container {
        padding: 1.5rem;
    }
}