/* kuis.css */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--warna-bg, #f4f5f7);
    color: var(--warna-teks, #1a1a2e);
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Topbar */
.kuis-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1.5rem;
    background: var(--warna-kartu, #fff);
    border-bottom: 1px solid var(--warna-border, #e9ecef);
    position: sticky;
    top: 0;
    z-index: 10;
}

.kuis-back {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .875rem;
    color: var(--warna-teks-sekunder, #6c757d);
    text-decoration: none;
    transition: color .15s;
}

.kuis-back:hover {
    color: var(--warna-aksen, #e63946);
}

.kuis-topbar-title {
    font-weight: 700;
    font-size: 1rem;
}

.kuis-tema-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--warna-teks-sekunder, #6c757d);
    padding: .25rem .5rem;
    transition: color .15s;
}

.kuis-tema-btn:hover {
    color: var(--warna-aksen, #e63946);
}

/* Layar */
.kuis-screen {
    min-height: calc(100vh - 53px);
    padding: 1.5rem;
}

/* L
ayar Mulai */
#screen-start {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.kuis-start-card {
    background: var(--warna-kartu, #fff);
    border-radius: 18px;
    padding: 2.5rem 2rem;
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: var(--bayangan-kartu, 0 2px 8px rgba(0, 0, 0, .06));
    margin-top: 1rem;
}

.kuis-start-icon {
    font-size: 2.5rem;
    margin-bottom: .75rem;
    letter-spacing: .25rem;
}

.kuis-start-judul {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: .5rem;
}

.kuis-start-desc {
    font-size: .9rem;
    color: var(--warna-teks-sekunder, #6c757d);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.kuis-mode-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .75rem;
    margin-bottom: 1.75rem;
}

.kuis-mode-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .25rem;
    padding: .9rem .5rem;
    border-radius: 12px;
    border: 2px solid var(--warna-border, #e9ecef);
    background: var(--warna-bg, #f4f5f7);
    cursor: pointer;
    transition: border-color .15s, background .15s;
}

.kuis-mode-btn:hover {
    border-color: var(--warna-aksen, #e63946);
}

.kuis-mode-btn.active {
    border-color: var(--warna-aksen, #e63946);
    background: rgba(230, 57, 70, .08);
}

.kuis-mode-kana {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--warna-aksen, #e63946);
}

.kuis-mode-label {
    font-size: .85rem;
    font-weight: 700;
    color: var(--warna-teks, #1a1a2e);
}

.kuis-mode-sub {
    font-size: .7rem;
    color: var(--warna-teks-sekunder, #6c757d);
}

.kuis-btn-mulai {
    width: 100%;
    padding: .9rem;
    border-radius: 12px;
    border: none;
    background: var(--warna-aksen, #e63946);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s, opacity .15s;
}

.kuis-btn-mulai:hover {
    background: var(--warna-aksen-hover, #c1121f);
}

.kuis-btn-mulai:disabled {
    opacity: .6;
    cursor: not-allowed;
}

/ * Layout 2 kolom soal */ #screen-soal {
    padding: 1.25rem 1.5rem;
}

.kuis-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 1.25rem;
    max-width: 1000px;
    margin: 0 auto;
    align-items: start;
}

/* Kolom kiri: kartu soal */
.kuis-kartu {
    background: var(--warna-kartu, #fff);
    border-radius: 16px;
    padding: 2rem 1.75rem;
    box-shadow: var(--bayangan-kartu, 0 2px 8px rgba(0, 0, 0, .06));
    text-align: center;
}

.kuis-nomor {
    font-size: .78rem;
    font-weight: 600;
    color: var(--warna-teks-sekunder, #6c757d);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: .75rem;
}

.kuis-char {
    font-size: 5.5rem;
    font-weight: 900;
    color: var(--warna-aksen, #e63946);
    line-height: 1;
    margin-bottom: .75rem;
}

.kuis-pertanyaan {
    font-size: .9rem;
    color: var(--warna-teks-sekunder, #6c757d);
    margin-bottom: 1.5rem;
}

/* Opsi */
.kuis-opsi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .65rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.kuis-opsi-btn {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .75rem 1rem;
    border-radius: 10px;
    border: 2px solid var(--warna-border, #e9ecef);
    background: var(--warna-bg, #f4f5f7);
    cursor: pointer;
    font-size: .9rem;
    color: var(--warna-teks, #1a1a2e);
    transition: border-color .12s, background .12s;
}

.kuis-opsi-btn:hover {
    border-color: var(--warna-aksen, #e63946);
    background: rgba(230, 57, 70, .06);
}

.kuis-opsi-btn.dipilih {
    border-color: #4361ee;
    background: rgba(67, 97, 238, .08);
    color: #4361ee;
}

.kuis-opsi-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    background: var(--warna-border, #e9ecef);
    font-size: .75rem;
    font-weight: 700;
    flex-shrink: 0;
    color: var(--warna-teks, #1a1a2e);
}

.kuis-opsi-btn.dipilih .kuis-opsi-label {
    background: #4361ee;
    color: #fff;
}

/* Navigasi soal */
.kuis-nav-btns {
    display: flex;
    gap: .65rem;
    justify-content: space-between;
}

.kuis-btn-prev,
.kuis-btn-next,
.kuis-btn-selesai {
    flex: 1;
    padding: .75rem 1rem;
    border-radius: 10px;
    border: none;
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s, opacity .15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
}

.kuis-btn-prev {
    background: var(--warna-bg-sekunder, #f8f9fa);
    border: 2px solid var(--warna-border, #e9ecef);
    color: var(--warna-teks, #1a1a2e);
}

.kuis-btn-prev:hover:not(:disabled) {
    border-color: var(--warna-aksen, #e63946);
}

.kuis-btn-prev:disabled {
    opacity: .35;
    cursor: not-allowed;
}

.kuis-btn-next {
    background: var(--warna-aksen, #e63946);
    color: #fff;
}

.kuis-btn-next:hover {
    background: var(--warna-aksen-hover, #c1121f);
}

.kuis-btn-selesai {
    background: #2d6a4f;
    color: #fff;
}

.kuis-btn-selesai:hover {
    background: #1b4332;
}

/* 
Kolom kanan: indikator */
.kuis-indikator-panel {
    background: var(--warna-kartu, #fff);
    border-radius: 16px;
    padding: 1.25rem;
    box-shadow: var(--bayangan-kartu, 0 2px 8px rgba(0, 0, 0, .06));
    position: sticky;
    top: 70px;
}

.kuis-indikator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .85rem;
}

.kuis-indikator-title {
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--warna-teks, #1a1a2e);
}

.kuis-indikator-progress {
    font-size: .75rem;
    color: var(--warna-teks-sekunder, #6c757d);
}

/* Grid kotak angka */
.kuis-indikator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(32px, 1fr));
    gap: .35rem;
    margin-bottom: .85rem;
}

.kuis-dot {
    aspect-ratio: 1;
    border-radius: 6px;
    border: 1.5px solid var(--warna-border, #e9ecef);
    background: var(--warna-bg, #f4f5f7);
    cursor: pointer;
    font-size: .7rem;
    font-weight: 700;
    color: var(--warna-teks-sekunder, #6c757d);
    transition: background .12s, border-color .12s, color .12s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kuis-dot:hover {
    border-color: var(--warna-aksen, #e63946);
    color: var(--warna-aksen, #e63946);
}

.kuis-dot.aktif {
    background: var(--warna-aksen, #e63946);
    border-color: var(--warna-aksen, #e63946);
    color: #fff;
}

.kuis-dot.dijawab {
    background: #4361ee;
    border-color: #4361ee;
    color: #fff;
}

.kuis-dot.kosong-warning {
    background: #f4a261;
    border-color: #f4a261;
    color: #fff;
    animation: shake .3s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-3px);
    }

    75% {
        transform: translateX(3px);
    }
}

/* Legend */
.kuis-indikator-legend {
    display: flex;
    flex-direction: column;
    gap: .3rem;
    border-top: 1px solid var(--warna-border, #e9ecef);
    padding-top: .75rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .75rem;
    color: var(--warna-teks-sekunder, #6c757d);
}

.legend-box {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    flex-shrink: 0;
}

.legend-aktif {
    background: var(--warna-aksen, #e63946);
}

.legend-dijawab {
    background: #4361ee;
}

.legend-kosong {
    background: var(--warna-bg, #f4f5f7);
    border: 1.5px solid var(--warna-border, #e9ecef);
}

/ * Layout 2 kolom hasil */ #screen-hasil {
    padding: 1.25rem 1.5rem;
}

.kuis-hasil-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    max-width: 1000px;
    margin: 0 auto;
    align-items: start;
}

/* Kolom kiri: hasil */
.kuis-hasil-card {
    background: var(--warna-kartu, #fff);
    border-radius: 16px;
    padding: 2rem 1.75rem;
    box-shadow: var(--bayangan-kartu, 0 2px 8px rgba(0, 0, 0, .06));
    text-align: center;
    position: sticky;
    top: 70px;
}

.kuis-hasil-icon {
    font-size: 3.5rem;
    margin-bottom: .5rem;
}

.kuis-hasil-judul {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: .4rem;
}

.kuis-skor-besar {
    font-size: 3rem;
    font-weight: 900;
    color: var(--warna-aksen, #e63946);
    margin-bottom: .4rem;
}

.kuis-hasil-pesan {
    font-size: .875rem;
    color: var(--warna-teks-sekunder, #6c757d);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.kuis-hasil-stat {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.75rem;
}

.kuis-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .2rem;
}

.kuis-stat-item i {
    font-size: 1.2rem;
}

.kuis-stat-item span {
    font-size: 1.4rem;
    font-weight: 800;
}

.kuis-stat-item small {
    font-size: .72rem;
    color: var(--warna-teks-sekunder, #6c757d);
}

.kuis-stat-benar i,
.kuis-stat-benar span {
    color: #2d6a4f;
}

.kuis-stat-salah i,
.kuis-stat-salah span {
    color: #e63946;
}

.kuis-stat-persen i,
.kuis-stat-persen span {
    color: #4361ee;
}

.kuis-hasil-actions {
    display: flex;
    gap: .65rem;
    flex-direction: column;
}

.kuis-btn-ulangi,
.kuis-btn-kembali {
    padding: .8rem;
    border-radius: 10px;
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    transition: background .15s;
}

.kuis-btn-ulangi {
    border: none;
    background: var(--warna-aksen, #e63946);
    color: #fff;
}

.kuis-btn-ulangi:hover {
    background: var(--warna-aksen-hover, #c1121f);
}

.kuis-btn-kembali {
    border: 2px solid var(--warna-border, #e9ecef);
    background: transparent;
    color: var(--warna-teks, #1a1a2e);
}

.kuis-btn-kembali:hover {
    border-color: var(--warna-aksen, #e63946);
    color: var(--warna-aksen, #e63946);
}

/* Kolom kanan: review */
.kuis-review-panel {
    background: var(--warna-kartu, #fff);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--bayangan-kartu, 0 2px 8px rgba(0, 0, 0, .06));
}

.kuis-review-judul {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: .85rem;
}

.kuis-review-tabs {
    display: flex;
    gap: .4rem;
    margin-bottom: 1rem;
}

.review-tab {
    padding: .35rem .85rem;
    border-radius: 999px;
    border: 1.5px solid var(--warna-border, #e9ecef);
    background: transparent;
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--warna-teks-sekunder, #6c757d);
    display: flex;
    align-items: center;
    gap: .3rem;
    transition: border-color .12s, color .12s, background .12s;
}

.review-tab:hover {
    border-color: var(--warna-aksen, #e63946);
    color: var(--warna-aksen, #e63946);
}

.review-tab.active {
    background: var(--warna-aksen, #e63946);
    border-color: var(--warna-aksen, #e63946);
    color: #fff;
}

.review-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    border-radius: 999px;
    background: rgba(230, 57, 70, .15);
    color: #e63946;
    font-size: .7rem;
    font-weight: 700;
    padding: 0 4px;
}

.review-badge--benar {
    background: rgba(45, 106, 79, .15);
    color: #2d6a4f;
}

.review-tab.active .review-badge {
    background: rgba(255, 255, 255, .25);
    color: #fff;
}

.kuis-review-list {
    display: flex;
    flex-direction: column;
    gap: .45rem;
    max-height: 520px;
    overflow-y: auto;
}

.review-item {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .5rem .75rem;
    border-radius: 8px;
    background: var(--warna-bg, #f4f5f7);
    border-left: 3px solid transparent;
}

.review-item--benar {
    border-left-color: #2d6a4f;
}

.review-item--salah {
    border-left-color: #e63946;
}

.review-num {
    font-size: .7rem;
    font-weight: 700;
    color: var(--warna-teks-sekunder, #6c757d);
    min-width: 1.5rem;
    text-align: center;
}

.review-char {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--warna-aksen, #e63946);
    min-width: 2rem;
    text-align: center;
}

.review-detail {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
    font-size: .85rem;
}

.review-jawaban-user {
    font-weight: 600;
}

.warna-benar {
    color: #2d6a4f;
}

.warna-salah {
    color: #e63946;
}

.review-jawaban-benar {
    color: var(--warna-teks-sekunder, #6c757d);
    font-size: .82rem;
}

.review-kosong {
    text-align: center;
    color: var(--warna-teks-sekunder, #6c757d);
    font-size: .875rem;
    padding: 1rem 0;
}

/* Responsive */
@media (max-width: 768px) {

    .kuis-layout,
    .kuis-hasil-layout {
        grid-template-columns: 1fr;
    }

    .kuis-col-indikator {
        order: -1;
    }

    .kuis-indikator-panel,
    .kuis-hasil-card {
        position: static;
    }

    .kuis-char {
        font-size: 4rem;
    }

    .kuis-opsi-grid {
        grid-template-columns: 1fr;
    }

    .kuis-mode-grid {
        grid-template-columns: 1fr;
    }
}

/* Pesan 
validasi selesai */
.selesai-pesan {
    margin-top: .75rem;
    padding: .6rem .9rem;
    border-radius: 8px;
    background: rgba(230, 57, 70, .1);
    border: 1px solid rgba(230, 57, 70, .3);
    color: var(--warna-aksen, #e63946);
    font-size: .82rem;
    font-weight: 600;
    text-align: center;
    animation: fadeIn .2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}