/* --- 1. PALET WARNA ROYAL (ROYAL OLIVE & GOLD) --- */
:root {
    --bg-deep: #0f1a0f;
    --olive-rich: #1e2b15;
    --gold-dark: #bf953f;
    --gold-light: #fcf6ba;
    --gold-med: #b38728;
    --cream: #FAF9F6;
    --glass: rgba(20, 30, 20, 0.75);
    --border-gradient: linear-gradient(135deg, var(--gold-dark), var(--gold-light), var(--gold-dark));
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
    background-color: var(--bg-deep);
    font-family: 'Playfair Display', serif;
    color: var(--cream);
    overflow-x: hidden;
    min-height: 100vh;
    /* Corak Songket/Islamik Halus */
    background-image: 
        radial-gradient(var(--gold-dark) 1px, transparent 1px),
        linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 30px 30px, 60px 100%;
    background-attachment: fixed;
}

/* --- 2. SKRIN INTRO MEWAH (SPLASH) --- */
#splash-screen {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at center, var(--olive-rich), #000);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1), visibility 1.2s;
}

.splash-logo {
    font-size: 5rem;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 20px var(--gold-dark));
    animation: float 4s infinite ease-in-out;
}

.btn-enter {
    background: linear-gradient(90deg, var(--gold-dark), var(--gold-med));
    border: 1px solid var(--gold-light);
    color: #1a0f0f;
    padding: 18px 60px;
    font-family: 'Cinzel', serif;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin-top: 40px;
    cursor: pointer;
    border-radius: 2px;
    box-shadow: 0 0 30px rgba(191, 149, 63, 0.4);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.btn-enter::after {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
    transition: 0.6s;
}

.btn-enter:hover::after { left: 100%; }
        
.btn-enter:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 15px 40px rgba(191, 149, 63, 0.6);
    background: linear-gradient(90deg, var(--gold-med), var(--gold-light), var(--gold-med));
}

/* --- 3. ANIMASI LATAR & HIASAN --- */
#bg-canvas { position: fixed; top: 0; left: 0; z-index: -1; }

.decorations-container {
    position: fixed;
    top: -10px;
    left: 0;
    width: 100%;
    height: 180px;
    z-index: 5;
    pointer-events: none;
    display: flex;
    justify-content: space-between;
    padding: 0 15px;
}

.hanging-item { width: 70px; height: auto; filter: drop-shadow(0 10px 15px rgba(0,0,0,0.8)); }
.sway-1 { animation: sway 4s ease-in-out infinite alternate; }
.sway-2 { animation: sway 5s ease-in-out infinite alternate-reverse; width: 90px; }
.sway-3 { animation: sway 4.5s ease-in-out infinite alternate; }

@keyframes sway { from { transform: rotate(-4deg); } to { transform: rotate(4deg); } }

/* --- 4. SUSUN ATUR KAD (LAYOUT) --- */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 20px;
    padding-bottom: 150px;
    display: none;
    opacity: 0;
    transition: opacity 1.5s ease-in;
    position: relative;
    z-index: 10;
}

section {
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

/* KAD UTAMA (Eksklusif) */
.card {
    background: var(--glass);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 60px 30px;
    border-radius: 4px;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.9),
                inset 0 0 20px rgba(255, 255, 255, 0.05),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    width: 100%;
    position: relative;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(40px);
    transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
    border: 1px solid rgba(255,255,255,0.05);
}

/* Frame Emas Berganda */
.card::before {
    content: ''; position: absolute; inset: 10px;
    border: 1px solid var(--gold-dark); opacity: 0.6; pointer-events: none;
}
.card::after {
    content: ''; position: absolute; inset: 16px;
    border: 1px solid var(--gold-dark); opacity: 0.3; pointer-events: none;
}

.card.visible { opacity: 1; transform: translateY(0); }

/* Staggered Reveal dalam Kad */
.card > * {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.card.visible > * {
    opacity: 1;
    transform: translateY(0);
}
.card.visible > *:nth-child(1) { transition-delay: 0.1s; }
.card.visible > *:nth-child(2) { transition-delay: 0.2s; }
.card.visible > *:nth-child(3) { transition-delay: 0.3s; }
.card.visible > *:nth-child(4) { transition-delay: 0.4s; }
.card.visible > *:nth-child(5) { transition-delay: 0.5s; }
.card.visible > *:nth-child(6) { transition-delay: 0.6s; }
.card.visible > *:nth-child(7) { transition-delay: 0.7s; }
.card.visible > *:nth-child(8) { transition-delay: 0.8s; }
.card.visible > *:nth-child(9) { transition-delay: 0.9s; }
        
/* FRAME GAMBAR ROYAL */
.royal-photo-frame {
    position: relative;
    width: 90%;
    max-width: 450px;
    margin: 0 auto 30px auto;
    padding: 14px;
    border: 1px solid var(--gold-dark);
    border-radius: 8px;
    background: linear-gradient(145deg, rgba(30,43,21,0.6), rgba(0,0,0,0.4));
    box-shadow: 0 15px 40px rgba(0,0,0,0.6), inset 0 0 20px rgba(191,149,63,0.15);
}

.royal-photo {
    width: 100%;
    height: auto;
    display: block;
    border: 2px solid var(--gold-med);
    border-radius: 4px;
    filter: drop-shadow(0 8px 16px rgba(0,0,0,0.6)); 
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), filter 0.6s ease;
}

.royal-photo-frame:hover .royal-photo {
    transform: scale(1.03);
    filter: drop-shadow(0 12px 24px rgba(191,149,63,0.4));
}

/* --- 5. TIPOGRAFI PREMIUM --- */
.bismillah {
    font-family: 'Great Vibes', cursive;
    font-size: 2.2rem;
    background: linear-gradient(to bottom, var(--gold-light), var(--gold-dark));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
    display: block;
    filter: drop-shadow(0 2px 5px rgba(0,0,0,0.8));
}

/* TEKS EMAS BERKILAU (GOLD SHEEN) */
h1.shimmer-gold {
    font-family: 'Cinzel', serif;
    font-size: clamp(2.8rem, 10vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 10px;
    line-height: 1.1;
    background: linear-gradient(to right, 
        var(--gold-dark) 0%, 
        var(--gold-light) 20%, 
        var(--gold-dark) 40%, 
        var(--gold-dark) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 4s linear infinite;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.9));
}

@keyframes shine { to { background-position: 200% center; } }

.raya-date {
    font-family: 'Cinzel', serif;
    color: var(--gold-dark);
    letter-spacing: 5px;
    font-weight: 800;
    margin-top: 15px;
    font-size: 1.1rem;
}

.raya-theme {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: 1.1rem;
    color: #d0d0d0;
}

/* Label Personalisasi (Khas Untuk) */
.recipient-badge {
    display: inline-block;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--gold-dark);
    padding: 8px 20px;
    margin-bottom: 25px;
    font-family: 'Lato', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    color: var(--gold-light);
}

h2 {
    font-family: 'Cinzel', serif;
    font-size: 1.6rem;
    color: var(--gold-light);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--gold-dark);
    display: inline-block;
    padding-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

p {
    font-family: 'Lato', sans-serif;
    font-size: 1.1rem;
    line-height: 2;
    color: #e0e0e0;
    margin-bottom: 25px;
    font-weight: 300;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

/* Ornamental Divider */
.ornament-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
    color: var(--gold-dark);
    font-size: 1.2rem;
    opacity: 0.9;
}
.ornament-divider::before, .ornament-divider::after {
    content: '';
    height: 1px;
    width: 60px;
    background: linear-gradient(to right, transparent, var(--gold-dark));
    margin: 0 15px;
}
.ornament-divider::after {
    background: linear-gradient(to left, transparent, var(--gold-dark));
}

/* --- 6. BUTANG TERAPUNG (MUZIK & SHARE) --- */
.fab-container {
    position: fixed;
    bottom: 30px;
    right: 20px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.fab-btn {
    width: 55px; height: 55px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--gold-dark), var(--gold-med));
    border: 2px solid var(--cream);
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    display: flex; justify-content: center; align-items: center;
    cursor: pointer; transition: transform 0.3s;
}
        
.fab-btn svg { width: 24px; height: 24px; fill: #1a0f0f; }
.fab-btn:active { transform: scale(0.9); }
.music-btn.playing { animation: spin 5s linear infinite; }

/* --- 7. GUESTBOOK ELEGAN --- */
#g-name {
    text-transform: capitalize;
    letter-spacing: 1px;
    font-weight: bold;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 18px;
    background: rgba(0,0,0,0.5);
    border: 1px solid var(--gold-dark);
    border-radius: 2px;
    color: var(--gold-light);
    margin-bottom: 15px;
    font-family: 'Lato', sans-serif;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.5);
}

.form-group input:focus, .form-group textarea:focus {
    background: rgba(10, 15, 10, 0.8);
    border-color: var(--gold-light);
    box-shadow: 0 0 15px rgba(252, 246, 186, 0.2);
    outline: none;
}

.btn-send {
    width: 100%;
    padding: 15px;
    background: var(--gold-dark);
    color: #000;
    border: none;
    font-weight: 800;
    font-family: 'Cinzel', serif;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-send:hover { 
    background: linear-gradient(to right, var(--gold-med), var(--gold-light));
    color: #1a0f0f;
    box-shadow: 0 5px 15px rgba(191, 149, 63, 0.4);
}

.btn-send:disabled {
    background: #666;
    color: #aaa;
    cursor: not-allowed;
    box-shadow: none;
}

.wishes-list {
    margin-top: 35px;
    max-height: 350px;
    overflow-y: auto;
    text-align: left;
    border-top: 1px solid rgba(212,175,55,0.3);
    padding-top: 15px;
}

.wish-item {
    background: linear-gradient(to right, rgba(212,175,55,0.1), transparent);
    padding: 15px;
    margin-bottom: 12px;
    border-left: 3px solid var(--gold-dark);
}

/* --- ANIMASI --- */
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }
@keyframes spin { 100% { transform: rotate(360deg); } }

/* --- 8. UI/UX ENHANCEMENTS (TOAST, TOOLTIP, SPINNER) --- */
/* Toast Notification */
.toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}
.toast {
    background: rgba(20, 30, 20, 0.95);
    border: 1px solid var(--gold-dark);
    color: var(--gold-light);
    padding: 12px 25px;
    border-radius: 4px;
    font-family: 'Lato', sans-serif;
    font-size: 0.95rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.toast.show {
    opacity: 1;
    transform: translateY(0);
}
.toast.error {
    border-color: #ff4c4c;
    color: #ffdddd;
}

/* FAB Tooltip */
.fab-btn { position: relative; }
.fab-tooltip {
    position: absolute;
    right: 70px;
    background: rgba(0,0,0,0.8);
    color: var(--gold-light);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: 'Lato', sans-serif;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s ease;
    border: 1px solid var(--gold-dark);
    pointer-events: none;
}
.fab-btn:hover .fab-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}
.fab-tooltip.show-init {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Button Loading / Success State */
.btn-send { position: relative; overflow: hidden; }
.btn-send.loading {
    color: transparent !important;
    background: var(--gold-dark);
    pointer-events: none;
}
.btn-send.loading::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 20px; height: 20px;
    margin-top: -12px; margin-left: -12px;
    border: 2px solid transparent;
    border-top-color: #000;
    border-radius: 50%;
    animation: spinner 0.8s linear infinite;
}
@keyframes spinner { to { transform: rotate(360deg); } }

.btn-send.success {
    background: linear-gradient(to right, #2e4d2e, #1e2b15) !important;
    color: var(--gold-light) !important;
    border: 1px solid #4CAF50 !important;
}