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

html,
body {
    width: 100vw;
    height: 100vh;
    background-color: #000;
    overflow: hidden;
    font-family: Arial, Helvetica, sans-serif;
}

#player-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    background-color: #a6f2eb;
}

/* ==========================================
   0. START SCREEN OVERLAY
   ========================================== */
#start-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #E1FAF8;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;
}

#start-app-btn {
    padding: 24px 60px;
    font-size: 2.2rem;
    font-family: "Arial Rounded MT Bold", Arial, sans-serif;
    font-weight: bold;
    color: #990184;
    background-color: #CFE1F7;
    border: 5px solid #CC3399;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

#start-app-btn:hover {
    transform: scale(1.06);
    background-color: #FFFFCC;
}

#start-app-btn:active {
    transform: scale(0.98);
}

/* ==========================================
   VIDEO LAYERS (FIXED & FULL VISIBILITY)
   ========================================== */
.video-layer {
    position: fixed;
    /* Gunakan fixed supaya video sentiasa penuhi skrin */
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    pointer-events: auto;
    display: none;
    /* Sembunyikan secara lalai */
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    z-index: 10;
    /* Naikkan ke lapisan atas */
}

.video-layer.active {
    display: block !important;
    opacity: 1 !important;
    z-index: 50 !important;
    /* Paksa video duduk di atas latar belakang hijau */
}

/* ==========================================
   SCENE 2: LANGUAGE SELECTION OVERLAY
   ========================================== */
#language-overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #E1FAF8;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 100;
}

.lang-btn {
    border: 6px solid #CC3399;
    color: #E70B90;
    padding: 28px 30px;
    font-size: 2.5rem;
    font-family: "Franklin Gothic Heavy", "Franklin Gothic Medium", "Arial Black", sans-serif;
    font-weight: 900;
    border-radius: 65px;
    cursor: pointer;
    width: 520px;
    max-width: 90vw;
    text-align: center;
    white-space: nowrap;
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

#btn-bm {
    background-color: #CFE1F7;
}

#btn-en {
    background-color: #CCFFFF;
}

#btn-bm:hover,
#btn-en:hover,
.lang-btn:hover {
    transform: translateY(6px);
    background-color: #FFCCFF !important;
    border-color: #CC3399;
    color: #E70B90;
}

.lang-btn:active {
    transform: translateY(9px);
}

/* Footer Logo Styling */
.footer-logo {
    position: absolute;
    bottom: 35px;
    text-align: center;
    pointer-events: none;
}

.footer-title {
    color: #990184;
    font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
    font-weight: bold;
    font-size: 1.4rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    line-height: 0.9;
}

.footer-subtitle {
    color: #DC03A0;
    font-family: "Bell MT", "Garamond", "Georgia", serif;
    font-style: italic;
    font-weight: normal;
    font-size: 2.8rem;
    margin-top: -8px;
    line-height: 0.9;
}

/* ==========================================
   LANGKAU / SKIP BUTTON
   ========================================== */
#skip-btn {
    display: none;
    position: absolute;
    top: 25px;
    right: 35px;
    z-index: 150;
    width: 160px;
    height: 52px;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: #FFFFCC;
    border: 4px solid #339933;
    color: #009966;
    font-family: "Arial Rounded MT Bold", "Arial Rounded MT", Arial, sans-serif;
    font-size: 1.4rem;
    font-weight: bold;
    white-space: nowrap;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

#skip-btn:hover {
    transform: translateY(4px);
    background-color: #FFCCFF;
    border-color: #339933;
    color: #009966;
}

#skip-btn:active {
    transform: translateY(6px);
}

/* ==========================================
   SCENE 4: MAIN MENU STYLING
   ========================================== */
#scene4-overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('assets/bg-homepage.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 200;
}

#settings-btn {
    position: absolute;
    top: 28px;
    right: 42px;
    width: 68px;
    height: 68px;
    background-color: #FFFFFF;
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease;
    z-index: 210;
}

#settings-btn .gear-icon {
    width: 60px;
    height: 60px;
    fill: #52B2EC;
    transition: fill 0.2s ease;
}

#settings-btn:hover {
    transform: scale(1.08) rotate(15deg);
}

#settings-btn:hover .gear-icon {
    fill: #B033FF;
}

.menu-header {
    text-align: center;
    margin-bottom: 110px;
    margin-top: -120px;
}

.menu-title {
    color: #990184;
    font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
    font-weight: bold;
    font-size: 5.2rem;
    letter-spacing: 5px;
    text-transform: uppercase;
    line-height: 0.9;
}

.menu-subtitle {
    color: #E70B90;
    font-family: "Bell MT", "Garamond", "Georgia", serif;
    font-style: italic;
    font-weight: normal;
    font-size: 9.5rem;
    margin-top: -20px;
    line-height: 0.9;
}

.menu-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: center;
}

.menu-btn {
    width: 320px;
    height: 68px;
    background-color: #CFE1F7;
    border: 4px solid #CC3399;
    color: #990184;
    font-family: "Arial Rounded MT Bold", "Arial Rounded MT", Arial, sans-serif;
    font-size: 2.2rem;
    font-weight: bold;
    border-radius: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.menu-btn:hover {
    transform: translateY(3px);
    background-color: #FFFFCC !important;
    border-color: #CC3399;
}

.menu-btn:active {
    transform: translateY(5px);
}

/* ==========================================
   SCENE 5: SETTINGS OVERLAY SCREEN
   ========================================== */
#settings-overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('assets/setting-page.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 40px;
    z-index: 300;
}

#settings-title {
    font-family: "Cooper Black", "Arial Black", sans-serif;
    color: #E70B90;
    font-size: 5rem;
    font-weight: normal;
    text-align: center;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

/* Home Button */
#home-btn {
    position: absolute;
    bottom: 25px;
    left: 35px;
    width: 72px;
    height: 72px;
    background-color: #FFFFFF;
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease;
    z-index: 310;
}

#home-btn:hover {
    transform: scale(1.08);
}

#home-btn svg {
    width: 52px;
    height: 52px;
    fill: #52B2EC;
}

/* Grid Utama Konten (Dibesarkan & Diberi Ruang Selesa) */
.settings-grid {
    display: flex;
    gap: 50px;
    justify-content: center;
    align-items: stretch;
    width: 92%;
    max-width: 1220px;
    margin-top: 35px;
}

/* Kotak Transparent Dengan Pink Border */
.settings-box {
    flex: 1;
    position: relative;
    background-color: transparent;
    border: 4.5px solid #CC3399;
    border-radius: 40px;
    padding: 60px 35px 40px 35px;
    /* Extra padding untuk butang besar */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Badge Header "Audio" & "Bahasa" */
.box-header-badge {
    position: absolute;
    top: -34px;
    left: 50%;
    transform: translateX(-50%);
    width: 280px;
    height: 65px;
    border: 4.5px solid #CC3399;
    border-radius: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #E70B90;
    font-family: "Berlin Sans FB", "Arial Rounded MT Bold", sans-serif;
    font-size: 2.6rem;
    font-weight: normal;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.header-audio {
    background-color: #E7F7A8;
}

.header-lang {
    background-color: #CFE1F7;
}

/* Kawalan Audio Body */
.audio-control-body {
    display: flex;
    gap: 45px;
    align-items: center;
    justify-content: center;
    width: 100%;
}

/* Peluncur Isipadu (Slider Vertikal) */
.volume-slider-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

#volume-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 160px;
    height: 22px;
    background: linear-gradient(to right, #E70B90 100%, #FFCCE5 0%);
    /* Latar awal */
    border-radius: 11px;
    outline: none;
    cursor: pointer;
    transform: rotate(-90deg);
    transform-origin: center;
    margin: 70px -60px;
}

#volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #FFFFCC;
    border: 4px solid #CC3399;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

#volume-slider::-moz-range-thumb {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #FFFFCC;
    border: 4px solid #CC3399;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

#volume-percentage {
    font-family: "Franklin Gothic Heavy", "Arial Black", sans-serif;
    color: #E70B90;
    font-size: 1.6rem;
    font-weight: bold;
}

/* KUMPULAN BUTANG AUDIO (Dibesarkan) */
.audio-btn-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Butang Aksi Audio (Selaraskan Ikon dalam 1 Baris Lurus) */
.settings-action-btn {
    width: 290px;
    height: 62px;
    background-color: #E7F7A8;
    border: 4.5px solid #CC3399;
    color: #E70B90;
    font-family: "Franklin Gothic Medium", "Arial", sans-serif;
    font-size: 1.85rem;
    font-weight: normal;
    border-radius: 35px;

    /* Gunakan grid untuk menetapkan lajur ikon & teks yang tetap */
    display: grid;
    grid-template-columns: 50px 1fr;
    /* 50px khas untuk ikon, baki ruang untuk teks */
    align-items: center;
    padding-left: 25px;
    /* Jarak tetap dari tepi kiri butang */

    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.settings-action-btn:hover {
    transform: translateY(2px);
    background-color: #FFFFCC !important;
}

/* Tetapan Ikon & Teks di Dalam Butang */
.btn-icon {
    font-size: 1.7rem;
    text-align: center;
    /* Memastikan ikon tepat di tengah-tengah lajur 50px */
    display: block;
}

/* Memastikan teks sentiasa duduk di tengah baki ruang */
.settings-action-btn span:not(.btn-icon) {
    text-align: left;
    padding-left: 10px;
}

/* KUMPULAN BUTANG BAHASA & BENDERA (Dibesarkan & Diberi Jarak) */
.lang-btn-group {
    display: flex;
    flex-direction: column;
    gap: 28px;
    width: 100%;
    align-items: center;
}

/* Butang Pilihan Bahasa */
.lang-option-btn {
    position: relative;
    width: 330px;
    /* Panjang butang ditambah supaya teks selesa */
    height: 68px;
    /* Tinggi butang ditambah */
    background-color: #CFE1F7;
    border: 4.5px solid #CC3399;
    border-radius: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 65px;
    /* Ruang lebih supaya teks tidak langgar bendera */
    padding-right: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Teks Bahasa Dalam Butang */
.lang-text {
    color: #E70B90;
    font-family: "Franklin Gothic Heavy", "Arial Black", sans-serif;
    font-size: 1.75rem;
    font-weight: bold;
    white-space: nowrap;
    /* Menghalang teks berlipat/terhimpit */
}

/* Ikon Bendera Bulat Utama */
.flag-icon {
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    width: 68px;
    height: 68px;
    border-radius: 50%;
    border: 4px solid #CC3399;
    box-shadow: 3px 3px 8px rgba(0, 0, 0, 0.18);
    z-index: 5;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Bendera Malaysia: Fokus kanton biru + bulan & bintang tepat mengikut rujukan */
.flag-my {
    background-image: url('assets/flag-malaysia.png');
    background-size: cover;
    /* Memastikan imej memenuhi penuh bulatan tanpa ruang kosong */
    background-position: 20% center;
    /* Anjakkan imej sedikit ke kanan supaya bulan & bintang jelas */
    background-color: #000066;
}

/* Bendera UK */
.flag-uk {
    background-image: url('assets/flag-uk.png');
    background-size: cover;
    background-position: center;
    background-color: #CC0000;
}

.btn-icon {
    font-size: 1.6rem;
}

/* Footer Logo */
.settings-footer {
    bottom: 12px;
}

.settings-footer .footer-title {
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.settings-footer .footer-subtitle {
    font-size: 2.2rem;
    margin-top: -6px;
}

/* Back Button */
#back-btn {
    position: absolute;
    bottom: 25px;
    right: 35px;
    width: 190px;
    height: 56px;
    background-color: #FFFFCC;
    border: 4px solid #339933;
    color: #009966;
    font-family: "Arial Rounded MT Bold", Arial, sans-serif;
    font-size: 1.65rem;
    font-weight: bold;
    border-radius: 32px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

#back-btn:hover {
    transform: translateY(3px);
    background-color: #FFCCFF;
}