:root {
    --primary: #0ea5e9;
    --default-bg: #f0f9ff;
}

body {
    background-color: var(--default-bg);
    transition: background-color 0.8s ease; /* No 2: Smooth Transition */
    font-family: 'Plus Jakarta Sans', sans-serif;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* No 3: Idle Overlay Styles */
#idle-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(30px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 1s ease, visibility 1s;
}

#idle-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.idle-emoji { font-size: 150px; display: block; margin-bottom: 20px; animation: wave 2s infinite; }

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(15deg); }
}

/* Glass Container */
.glass-container {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border-radius: 60px;
    padding: 60px 40px;
    width: 90%;
    max-width: 1200px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.05);
}

/* Grid & Hover Logic (Focus Mode) */
.mood-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; transition: 0.5s; }
.mood-grid:hover .mood-card { filter: blur(10px); opacity: 0.3; transform: scale(0.9); }
.mood-grid .mood-card:hover { 
    filter: blur(0px); opacity: 1; transform: scale(1.15) translateY(-10px); 
    background: white; border-color: var(--primary);
}

.mood-card {
    position: relative; cursor: pointer; border-radius: 40px; padding: 25px 10px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
}

/* Tooltip */
.mood-card::after {
    content: attr(data-tooltip);
    position: absolute; top: -40px; left: 50%; transform: translateX(-50%) scale(0.8);
    background: #1e293b; color: #fff; padding: 10px 15px; border-radius: 12px;
    font-size: 0.8rem; opacity: 0; visibility: hidden; transition: 0.3s; z-index: 100;
}

.mood-card:hover::after { opacity: 1; visibility: visible; top: -65px; transform: translateX(-50%) scale(1); }

.emoji-text { font-size: 100px; display: inline-block; filter: drop-shadow(0 10px 10px rgba(0,0,0,0.1)); }
.mood-text { display: block; font-size: 0.9rem; font-weight: 800; color: #1e293b; margin-top: 10px; }

/* Responsive */
@media (max-width: 992px) { .mood-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 576px) { .mood-grid { grid-template-columns: repeat(2, 1fr); } .emoji-text { font-size: 70px; } }

.custom-textarea {
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(0, 0, 0, 0.05);
    border-radius: 20px;
    padding: 15px;
    transition: all 0.3s ease;
    resize: none;
}

.custom-textarea:focus {
    background: white;
    box-shadow: 0 10px 20px rgba(14, 165, 233, 0.1);
    border-color: var(--primary);
    outline: none;
}

.btn-kirim-pesan {
    background: var(--primary);
    border: none;
    border-radius: 15px;
    padding: 12px;
    font-weight: 800;
    transition: all 0.3s ease;
}

.btn-kirim-pesan:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(14, 165, 233, 0.3);
    background: #0369a1;
}


/* Gaya Tombol Glass di bagian bawah */
.btn-glass-action {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 25px;
    border-radius: 15px;
    text-decoration: none;
    color: #1e293b;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.btn-glass-action:hover {
    background: rgba(14, 165, 233, 0.2);
    border-color: #0ea5e9;
    transform: translateY(-3px);
    color: #0ea5e9;
}

.btn-icon { margin-right: 8px; }

/* Responsif HP */
@media (max-width: 576px) {
    .gap-3 { flex-direction: column; align-items: center; }
    .btn-glass-action { width: 85%; justify-content: center; }
}

/* Style Modal Efek Kaca */
.glass-modal {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(15px);
    border-radius: 25px !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.custom-textarea {
    border-radius: 15px;
    border: 1px solid #e2e8f0;
    padding: 15px;
    resize: none;
}

.custom-textarea:focus {
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
    border-color: #0ea5e9;
}

.glass-modal {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(10px);
    border-radius: 25px !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.custom-textarea {
    border-radius: 15px;
    border: 1px solid #cbd5e1;
    padding: 15px;
}

.modal.fade .modal-dialog {
    transform: scale(0.9);
    transition: transform 0.3s ease-out;
}
.modal.show .modal-dialog {
    transform: scale(1);
}