:root {
    --dark: #0a0a0a;
    --gold-solid: #d4af37;
    --gold-gradient: linear-gradient(135deg, #f9d976 0%, #b08d57 100%);
    --white: #ffffff; /* Putih bersih untuk tombol & modal */
    --white-soft: #f4f4f4; /* Putih lembut untuk teks */
}

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

body {
    background-color: var(--dark);
    color: var(--white-soft);
    font-family: 'Montserrat', sans-serif;
    overflow-x: hidden;
}

/* --- TYPOGRAPHY & GRADIENT --- */
.cinzel-deco { font-family: 'Cinzel Decorative', cursive; }

.gold-gradient-text {
    background: var(--gold-gradient);
    background-clip: text;
-webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.4));
}

/* --- LAYOUT UTAMA --- */
.content-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 100%;
    padding: 40px 20px;
    z-index: 10;
    position: relative;
    text-align: center;
}

.hero-center {
    max-width: 800px;
    width: 100%;
}

/* --- OVERLAY LOGIN --- */
.overlay { 
    position: fixed; inset: 0; 
    background: var(--dark); 
    display: flex; justify-content: center; align-items: center; 
    z-index: 100; transition: 1s; 
}

.login-box { 
    text-align: center; padding: 60px 40px; 
    background: rgba(255,255,255,0.02); 
    backdrop-filter: blur(20px); 
    border-radius: 30px; 
    border: 1px solid rgba(212,175,55,0.15); 
}

input#userName { 
    width: 280px; background: transparent; border: none; 
    border-bottom: 1px solid rgba(212, 175, 55, 0.4); 
    color: white; font-size: 1.1rem; padding: 10px; 
    text-align: center; outline: none; margin-bottom: 25px;
}

/* --- TOMBOL BULAT PREMIUM --- */
.btn-round-premium {
    width: 70px; height: 70px; border-radius: 50%;
    background: var(--white); border: 3px solid var(--gold-solid);
    color: var(--dark); cursor: pointer; display: flex;
    align-items: center; justify-content: center; font-size: 1.8rem;
    transition: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    margin: 0 auto;
}

.btn-round-premium:hover { 
    transform: scale(1.1) rotate(360deg); 
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.5); 
}

/* --- PESAN HATI --- */
.heartfelt-message { margin: 30px auto; }
.heartfelt-message p {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem; line-height: 1.8;
    font-style: italic; color: rgba(255, 255, 255, 0.8);
}
.highlight {
    margin-top: 15px; color: var(--gold-solid);
    font-size: 1rem; letter-spacing: 1px; font-weight: 500;
}

/* --- FORM BALASAN --- */
/* Update pada Bagian Formulir Balasan */
.message-card.no-border {
    display: flex; /* Mengaktifkan tata letak fleksibel */
    flex-direction: row; /* Menjajajarkan elemen secara horizontal (sejajar) */
    justify-content: center; /* Memposisikan elemen di tengah secara horizontal */
    align-items: center; /* Memposisikan elemen di tengah secara vertikal */
    gap: 20px; /* Jarak antara kotak balasan dan tombol (sekitar 20px) */
    width: 100%;
    max-width: 600px; /* Lebar kontainer formulir */
    margin: 30px auto 0; /* Jarak atas dan bawah */
    padding: 20px; /* Padding di sekitar formulir */
    background: transparent;
    border: none;
}

/* Update pada Kotak Balasan (Textarea) */
textarea {
    width: 100%;
    max-width: 350px; /* Lebar kotak balasan */
    height: 70px; /* Tinggi kotak balasan */
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    color: white;
    border-radius: 8px;
    outline: none;
    transition: 0.3s;
    font-size: 0.9rem;
    resize: none; /* Mencegah kotak balasan ditarik/diubah ukurannya */
}

/* Update pada Tombol WA Premium */
.btn-wa-premium {
    margin-top: 0; /* Menghilangkan margin atas agar sejajar */
    width: 100%;
    max-width: 200px; /* Lebar tombol */
    padding: 10px 20px; /* Padding di dalam tombol */
    background: var(--white);
    border: 2px solid var(--gold-solid);
    color: var(--dark);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 50px;
    cursor: pointer;
    transition: 0.4s;
    letter-spacing: 1px;
}
/* Penyesuaian Ruang Agar Tidak Tertimpa Footer */
.content-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 100%;
    padding: 40px 20px 100px 20px; /* Padding bawah disesuaikan */
    z-index: 10;
    position: relative;
    text-align: center;
}

.message-card.no-border { 
    margin-top: 25px; /* Jarak atas kotak dikurangi */
    background: transparent; 
    border: none; 
}
/* --- MODAL KUSTOM --- */
.modal-overlay { 
    position: fixed; inset: 0; background: rgba(0,0,0,0.85); 
    backdrop-filter: blur(10px); display: flex; 
    justify-content: center; align-items: center; 
    z-index: 9999; opacity: 0; transition: 0.3s; 
}
.modal-box { 
    background: #111; border: 1px solid var(--gold-solid); 
    padding: 40px; border-radius: 20px; text-align: center; 
    width: 85%; max-width: 350px; 
}
.btn-modal-ok { 
    background: var(--gold-solid); border: none; color: #000; 
    padding: 10px 40px; font-weight: bold; border-radius: 50px; cursor: pointer; 
}

/* --- FOOTER & ANIMASI --- */
.app-footer { position: absolute; bottom: 30px; text-align: center; width: 100%; }
.creator { font-size: 0.75rem; letter-spacing: 1px; color: rgba(255,255,255,0.4); }
.creator span { color: var(--gold-solid); }
.version { font-size: 0.6rem; color: rgba(255,255,255,0.2); margin-top: 5px; }

.particles { position: fixed; inset: 0; z-index: 1; pointer-events: none; }
.particle { position: absolute; background: #f9d976; border-radius: 50%; opacity: 0.4; animation: float 10s infinite linear; }

@keyframes float { 
    0% { transform: translateY(110vh); opacity: 0; } 
    50% { opacity: 0.5; }
    100% { transform: translateY(-10vh); opacity: 0; } 
}

.hidden { display: none; }
.fade-in { opacity: 0; animation: fadeIn 2s forwards; }
.delay-1 { animation-delay: 0.5s; }
.delay-2 { animation-delay: 1.2s; }
.delay-3 { animation-delay: 2s; }

@keyframes fadeIn { 
    from { opacity: 0; transform: translateY(20px); } 
    to { opacity: 1; transform: translateY(0); } 
}