/* ========================================
   Pilih Sisi - mode kuis satu layar dengan latar kamera langsung.
   Layar terbagi 2 (kiri/kanan) yang di-filter warna merah/hijau
   transparan saat jawaban diungkap.
   ======================================== */

.qk-info-box {
    background: rgba(0, 217, 255, 0.08);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 14px;
    padding: 16px 20px;
    margin-bottom: 20px;
}

.qk-info-title {
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
    font-size: 14px;
}

.qk-info-box ul {
    margin: 0;
    padding-left: 18px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.7;
}

.qk-camera-permission-note {
    background: rgba(255, 71, 87, 0.12);
    border: 1px solid var(--error);
    color: #ffc9cf;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}

/* ---------- Panggung Kamera ---------- */

.qk-game-wrap {
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 8px;
    min-height: 0;
}

.qk-camera-stage {
    position: relative;
    /* Layar kamera LEBAR: mengisi seluruh sisa ruang di bawah baris tombol -
       lebar penuh & tinggi = sisa tinggi layar (bukan lagi kotak 1:1 kecil di
       tengah). Tingginya ditentukan flex, karena saat panggung tampil halaman
       dikunci setinggi layar (body.cam-stage-active, lihat css/camera-stage.css)
       - jadi selalu pas tanpa scroll di ukuran layar apa pun. Gambar kamera
       memakai object-fit: cover, jadi selalu memenuhi kotak tanpa melar. */
    flex: 1 1 0;
    width: 100%;
    min-height: 0;
    border-radius: 20px;
    overflow: hidden;
    background: #000;
    border: 2px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.qk-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000;
}

/* Dicerminkan (mirror) spt cermin/kamera selfie HANYA saat kamera yang
   aktif adalah kamera DEPAN: badan bergerak ke kanan -> tampil bergerak ke
   kanan juga di layar (kelas .qk-video--mirrored dipasang/dilepas otomatis
   oleh JS - lihat _applyMirrorForActiveTrack di js/quiz-kamera.js - dengan
   mendeteksi facingMode track videonya). Kamera BELAKANG sengaja TIDAK
   dicerminkan, karena kamera itu menghadap ke luar (bukan ke diri sendiri)
   sehingga arah kiri/kanan aslinya sudah benar tanpa dibalik - kalau ikut
   dicerminkan justru jadi terbalik (gerak kanan tampil ke kiri, dst). Div
   .qk-half (kotak label & filter benar/salah) TIDAK ikut tercermin krn
   elemen terpisah, jadi posisi kiri/kanannya di layar tetap sesuai makna
   soal apa pun kondisi mirrornya. */
.qk-video--mirrored {
    transform: scaleX(-1);
}

/* Dua belahan filter warna kiri/kanan - transparan seperti filter kamera */
.qk-half {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 7%;
    background: rgba(0, 0, 0, 0);
    transition: background 0.5s ease;
    pointer-events: none;
    z-index: 2;
}

.qk-half--left { left: 0; }
.qk-half--right { right: 0; }

/* Warna filter mengikuti MAKNA (benar/salah), bukan posisi kiri/kanan -
   sisi kiri & kanan bisa memegang jawaban benar ataupun salah tergantung
   soal, jadi kelasnya diberikan dinamis lewat JS (lihat _reveal() di
   quiz-kamera.js). Transparansi dikurangi supaya kamera di belakang tetap
   terlihat jelas. */
.qk-half--wrong.qk-reveal--active { background: rgba(255, 71, 87, 0.20); }
.qk-half--correct.qk-reveal--active { background: rgba(0, 255, 65, 0.16); }

.qk-half-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: 0;
    transform: translateY(24px) scale(0.8);
    transition: all 0.45s cubic-bezier(.34,1.56,.64,1);
}

.qk-half.qk-reveal--active .qk-half-label {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.qk-half-icon {
    width: clamp(64px, 6vw, 112px);
    height: clamp(64px, 6vw, 112px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(30px, 2.8vw, 52px);
    background: rgba(5, 8, 18, 0.55);
    border: 3px solid #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.qk-half-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: clamp(19px, 1.8vw, 36px);
    letter-spacing: 1px;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
    background: rgba(5, 8, 18, 0.45);
    padding: 4px 18px;
    border-radius: 999px;
}

.qk-half--wrong .qk-half-icon,
.qk-half--wrong .qk-half-text { border-color: var(--error); }
.qk-half--correct .qk-half-icon,
.qk-half--correct .qk-half-text { border-color: var(--success); }

/* HUD atas: badge soal + teks pertanyaan */
.qk-hud-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 3;
    /* Padding kiri-kanan lebar supaya teks soal tidak menabrak timer & tombol di pojok */
    padding: 22px clamp(28px, 8vw, 170px) 44px;
    background: linear-gradient(180deg, rgba(5, 8, 18, 0.88) 0%, rgba(5, 8, 18, 0.45) 65%, transparent 100%);
    text-align: center;
}

.qk-soal-badge {
    display: inline-block;
    padding: 0.5em 1.5em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 999px;
    font-size: clamp(12px, 1.1vw, 22px);
    font-weight: 800;
    letter-spacing: 1.5px;
    color: #fff;
    margin-bottom: 12px;
    animation: slideInDown 0.4s ease;
}

.qk-question-text {
    font-size: clamp(20px, 2.4vw, 46px);
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
    max-width: 1400px;
    margin: 0 auto;
    line-height: 1.35;
}

.qk-question-image {
    display: block;
    max-width: 160px;
    max-height: 100px;
    object-fit: contain;
    margin: 12px auto 0;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

/* Timer bulat (conic-gradient) */
.qk-timer {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 4;
    width: clamp(72px, 5.5vw, 120px);
    height: clamp(72px, 5.5vw, 120px);
    border-radius: 50%;
    --progress: 1;
    background: conic-gradient(var(--accent) calc(var(--progress) * 360deg), rgba(255, 255, 255, 0.15) 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.9s linear;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.qk-timer::before {
    content: '';
    position: absolute;
    inset: 8%;
    background: var(--bg-darker);
    border-radius: 50%;
}

.qk-timer-value {
    position: relative;
    z-index: 1;
    font-size: clamp(24px, 2.2vw, 46px);
    font-weight: 800;
    color: #fff;
}

.qk-timer.qk-timer--low { animation: pulse 0.6s ease infinite; }
.qk-timer.qk-timer--low .qk-timer-value { color: var(--error); }
/* Saat dijeda, denyut timer (waktu hampir habis) ikut berhenti */
.cam-paused .qk-timer.qk-timer--low { animation-play-state: paused; }
.qk-timer.hidden { display: none; }

/* Opsi jawaban - informatif saja, tidak bisa diklik */
.qk-options-hud {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    /* Semua ukuran chip di bawah memakai em, jadi ikut membesar di layar lebar.
       Padding kiri-kanan besar (tidak mepet tepi) supaya chip tidak tertimpa
       tombol musik yang melayang di pojok kanan bawah layar. */
    font-size: clamp(15px, 1.7vw, 34px);
    gap: 0.7em;
    padding: 20px clamp(28px, 9vw, 200px) 26px;
    background: linear-gradient(0deg, rgba(5, 8, 18, 0.85) 0%, transparent 100%);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.qk-option-chip {
    display: flex;
    align-items: center;
    gap: 0.7em;
    padding: 0.7em 1em;
    background: rgba(10, 14, 39, 0.72);
    border: 2px solid var(--border-light);
    border-radius: 0.85em;
    color: #fff;
    font-size: 1em;
    font-weight: 600;
}

.qk-option-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.85em;
    height: 1.85em;
    border-radius: 0.6em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    font-weight: 800;
    font-size: 0.93em;
    flex-shrink: 0;
}

.qk-options-hud.qk-fade-out {
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
}

/* Banner "JAWABAN: X" saat reveal */
.qk-answer-banner {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 5;
    transform: translate(-50%, -50%) scale(0.7);
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.92) 0%, rgba(131, 56, 236, 0.85) 100%);
    border: 2px solid #fff;
    border-radius: 20px;
    padding: 16px 36px;
    text-align: center;
    opacity: 0;
    transition: all 0.4s cubic-bezier(.34,1.56,.64,1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.qk-answer-banner.qk-show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.qk-answer-label {
    font-size: clamp(12px, 1vw, 20px);
    letter-spacing: 3px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.75);
}

.qk-answer-value {
    font-size: clamp(42px, 4.2vw, 84px);
    font-weight: 900;
    color: #fff;
    line-height: 1.1;
}

.qk-answer-text {
    font-size: clamp(15px, 1.4vw, 28px);
    font-weight: 600;
    color: #d9e0ff;
    margin-top: 4px;
    max-width: min(640px, 70vw);
}

.qk-switch-cam {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 4;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    font-size: 18px;
}

.qk-flip-mirror {
    position: absolute;
    top: 20px;
    left: 74px;
    z-index: 4;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    font-size: 18px;
}

/* Anotasi sementara (tampil 30 detik lalu hilang sendiri, lihat quiz-kamera.js)
   supaya pengguna tidak panik kalau kameranya seperti "tidak bekerja" -
   banyak Chromebook/laptop/smart TV bantuan pemerintah cuma punya 1 kamera,
   beda dengan HP yang punya kamera depan & belakang. */
.qk-switch-cam-tip {
    position: absolute;
    top: 70px;
    left: 20px;
    z-index: 4;
    max-width: 190px;
    background: rgba(5, 8, 18, 0.95);
    border: 1px solid var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
    padding: 9px 12px;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    animation: qkTipPulse 1.8s ease-in-out infinite;
}

.qk-switch-cam-tip::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 16px;
    width: 12px;
    height: 12px;
    background: rgba(5, 8, 18, 0.95);
    border-left: 1px solid var(--accent);
    border-top: 1px solid var(--accent);
    transform: rotate(45deg);
}

.qk-switch-cam-tip.hidden { display: none; }

@keyframes qkTipPulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 0 0 rgba(0, 217, 255, 0.35); }
    50% { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 0 6px rgba(0, 217, 255, 0); }
}

/* ---------- Modal Penjelasan ---------- */

.qk-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 8, 18, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300;
    padding: 20px;
}

.qk-modal-overlay.hidden { display: none; }

.qk-modal {
    width: 100%;
    max-width: 520px;
    /* Solid (tidak transparan) - popup ini berisi jawaban benar/penjelasan
       yang harus selalu jelas terbaca, jangan sampai tertimpa gambar kamera
       di belakangnya. */
    background: linear-gradient(135deg, var(--bg-card) 0%, #241a42 100%);
    border: 2px solid var(--border-light);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: successPop 0.4s ease;
}

.qk-modal-result-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--accent);
}

.qk-modal-explanation {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-input);
    border-left: 3px solid var(--secondary);
    border-radius: 8px;
    padding: 14px 16px;
    text-align: left;
    margin-bottom: 18px;
}

.qk-modal-image {
    display: block;
    max-width: 100%;
    max-height: 180px;
    object-fit: contain;
    border-radius: 10px;
    margin: 0 auto 18px;
}

.qk-next-btn {
    width: 100%;
    padding: 16px;
    font-size: 15px;
}

/* Status "masih dikunci" selama hitung mundur 10 detik wajib baca penjelasan -
   dipasangkan dgn atribut disabled (opacity diatur oleh .btn:disabled) supaya
   terlihat beda dari status aktif/siap diklik. */
.qk-next-btn.qk-next-btn--waiting {
    animation: qk-wait-pulse 1.2s ease-in-out infinite;   /* bayangan saja, bukan scale() - tidak memicu scrollbar */
}

@keyframes qk-wait-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(131, 56, 236, 0); }
    50%      { box-shadow: 0 0 0 5px rgba(131, 56, 236, 0.35); }
}

/* ---------- Popup Cek Kamera Sebelum Mulai ---------- */

.qk-ready-overlay {
    position: fixed;
    inset: 0;
    /* Sengaja lebih transparan dari .qk-modal-overlay - kamera di belakang
       harus tetap terlihat jelas supaya guru bisa cek framing & posisi peserta. */
    background: rgba(5, 8, 18, 0.6);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 320;
    padding: 20px;
}

.qk-ready-overlay.hidden { display: none; }

.qk-ready-card {
    width: 100%;
    max-width: 540px;
    margin-bottom: 4vh;
    background: linear-gradient(135deg, var(--bg-card) 0%, #241a42 100%);
    border: 2px solid var(--accent);
    border-radius: 20px;
    padding: 28px 30px 30px;
    text-align: center;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 217, 255, 0.15);
    animation: successPop 0.4s ease;
}

.qk-ready-icon {
    font-size: 42px;
    margin-bottom: 10px;
    animation: bounce 2s infinite;
}

.qk-ready-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.qk-ready-checklist {
    list-style: none;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 22px;
}

.qk-ready-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-secondary);
    background: rgba(0, 217, 255, 0.06);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 12px;
    padding: 10px 14px;
}

.qk-ready-check-emoji {
    font-size: 17px;
    flex-shrink: 0;
}

/* Seluruh kalimat = SATU item flex, jadi mengalir sbg paragraf biasa di sebelah
   ikon (bukan terpecah jadi kolom-kolom per potongan teks). */
.qk-ready-check-text {
    flex: 1;
    min-width: 0;
}

.qk-ready-cam-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.qk-ready-switch-btn,
.qk-ready-flip-btn {
    flex: 1;
    width: auto;
}

.qk-ready-switch-btn.hidden { display: none; }

.qk-ready-start-btn {
    width: 100%;
    padding: 16px;
    font-size: 15px;
}

.qk-ready-cancel-btn {
    display: block;
    width: 100%;
    margin-top: 12px;
    padding: 8px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    font-family: 'Poppins', sans-serif;
    text-decoration: underline;
    cursor: pointer;
    transition: var(--transition-fast);
}

.qk-ready-cancel-btn:hover {
    color: var(--text-secondary);
}

@media (max-width: 900px) {
    .qk-ready-card { padding: 22px 20px 24px; }
    .qk-ready-title { font-size: 17px; }
    .qk-ready-checklist li { font-size: 13px; }
}

/* ---------- Layar Selesai ---------- */

.qk-finish-screen {
    width: 100%;
    min-height: 60vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.qk-finish-card {
    text-align: center;
    max-width: 480px;
    padding: 40px;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(131, 56, 236, 0.1) 100%);
    border: 2px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.4s ease;
}

.qk-finish-emoji {
    font-size: 56px;
    margin-bottom: 12px;
    animation: bounce 1.2s ease infinite;
}

.qk-finish-card h1 {
    font-size: 24px;
    margin-bottom: 8px;
}

.qk-finish-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.qk-finish-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- Toast notifikasi mandiri (gaya sama dgn halaman lain) ---------- */

.qk-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    background: rgba(10, 14, 39, 0.95);
    color: white;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
    z-index: 1000;
    font-family: 'Poppins', sans-serif;
    max-width: 360px;
    font-size: 14px;
    display: none;
}

.qk-toast.qk-toast--show {
    display: block;
    animation: slideInRight 0.3s ease;
}

.qk-toast.qk-toast--success { border-left-color: var(--success); }
.qk-toast.qk-toast--error { border-left-color: var(--error); }
.qk-toast.qk-toast--warning { border-left-color: var(--warning); }
.qk-toast.qk-toast--info { border-left-color: var(--accent); }

/* ---------- Responsif ---------- */

@media (max-width: 900px) {
    .qk-question-text { font-size: 18px; }
    .qk-options-hud { grid-template-columns: 1fr; padding: 14px 16px 18px; }
    .qk-answer-value { font-size: 32px; }
    .qk-half-icon { width: 48px; height: 48px; font-size: 24px; }
    .qk-half-text { font-size: 13px; padding: 3px 12px; }
    .qk-timer { width: 56px; height: 56px; top: 14px; right: 14px; }
    .qk-timer-value { font-size: 18px; }
    .qk-switch-cam { width: 38px; height: 38px; top: 14px; left: 14px; }
    .qk-flip-mirror { width: 38px; height: 38px; top: 14px; left: 62px; }
    .qk-hud-top { padding: 16px 16px 30px; }
}

/* Tanpa kamera (pemain memilih "Lanjut tanpa kamera"): latar polos bergradasi,
   layar tetap terbelah kiri/kanan untuk jawaban benar & salah. */
.qk-camera-stage.qk-no-camera {
    background: radial-gradient(120% 90% at 50% 0%, #2a1f5c 0%, #141a3a 55%, #0a0e27 100%);
}

.qk-camera-stage.qk-no-camera .qk-video {
    display: none;
}