* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; /* Ini adalah kunci agar padding tidak merusak lebar */
    font-family: 'Inter', sans-serif;
}

:root {
    --bg-main: #0B0E14;
    --card-bg: #12161F;
    --amba-purple: #4B41E5;
    --text-white: #FFFFFF;
    --text-gray: #94A3B8;
    --input-bg: #1E232D;
    --border: #2D333B;
}

body {
    background-color: var(--bg-main);
    color: var(--text-white);
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.form-container {
    max-width: 450px;
    width: 100%;
}

/* Back to Menu Styling */
.btn-back {
    display: inline-flex;
    align-items: center;
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.btn-back .arrow {
    margin-right: 8px;
    transition: transform 0.3s ease;
}

.btn-back:hover {
    color: var(--text-white);
}

.btn-back:hover .arrow {
    transform: translateX(-5px);
}

/* Card Styling */
.form-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
}

.form-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.form-header p {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

/* Input & Focus Effects */
.input-group {
    margin-bottom: 22px;
}

.input-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--text-white);
}

.input-group input, 
.input-group select {
    width: 100%; /* Sekarang 100% akan benar-benar pas di dalam card */
    padding: 14px 18px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    outline: none;
    display: block; /* Menghindari whitespace aneh */
}

.input-group input:hover, 
.input-group select:hover {
    border-color: rgba(75, 65, 229, 0.4);
}

.input-group input:focus, 
.input-group select:focus {
    border-color: var(--amba-purple);
    background: #161B26;
    box-shadow: 0 0 15px rgba(75, 65, 229, 0.15);
}

/* Submit Button Animation */
.btn-submit {
    width: 100%;
    padding: 16px;
    background: var(--amba-purple);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-submit:hover {
    filter: brightness(1.1);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(75, 65, 229, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.wa-icon {
    font-size: 1.2rem;
}

/* Styling Floating Button */
.floating-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--amba-purple, #4B41E5); /* Mengikuti tema ungu Amba */
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    z-index: 9999;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
}

.floating-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Agar logo memenuhi lingkaran dengan rapi */
}

/* Efek Hover */
.floating-btn:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(75, 65, 229, 0.5);
    filter: brightness(1.1);
}

/* Responsif untuk Mobile */
@media (max-width: 768px) {
    .floating-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}