/* ==========================================================
   ベトナム語診断 (study/vcab_diagnosis_top.php / vcab_diagnosis.php /
   my_tango/answer_quiz_dignosis.php / result_diagnosis.php) の学習アプリ枠用スタイル。
   出題・採点はページ内の既存JSのまま (#text_q / #text_s1-4 の .btn-layout / #text_a / #text_time)。
   ========================================================== */

/* ---------- トップ ---------- */
.dg-top { text-align: center; padding-top: 8px; }
.dg-top-source {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px 4px 12px;
    border: 2px solid var(--sa-line);
    border-radius: 999px;
    color: var(--sa-muted);
    float: right;
}
.dg-top-source .material-symbols-outlined { font-size: 20px; }
.dg-top-source select {
    height: auto;
    border: 0;
    background: transparent;
    font-family: inherit;
    font-weight: 800;
    color: var(--sa-text);
    padding: 4px 6px;
}
.dg-top-image { display: block; clear: both; max-width: 140px; width: 40%; margin: 8px auto 12px; }
.dg-start { max-width: 420px; margin: 0 auto; }
.dg-rules {
    list-style: none;
    margin: 28px auto 0;
    padding: 18px 20px;
    max-width: 480px;
    border: 2px solid var(--sa-line);
    border-radius: var(--sa-radius);
    text-align: left;
}
.dg-rules li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 0;
    font-size: 14px;
    font-weight: 700;
    color: var(--sa-text);
}
.dg-rules .material-symbols-outlined { font-size: 20px; color: var(--sa-blue); flex-shrink: 0; }

/* ---------- 出題 ---------- */
.dg-timer.timeStyle {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 5px 12px;
    border-radius: 999px;
    border: 2px solid var(--sa-line);
    color: var(--sa-text);
    font-weight: 900;
    font-variant-numeric: tabular-nums;
}
.dg-timer .material-symbols-outlined { font-size: 20px; color: var(--sa-orange); }
.dg-timer small { font-size: 11px; color: #afafaf; font-weight: 800; }
body.study-app .dg-quiz .qz-bord { margin: 0; }
body.study-app .dg-quiz #text_q {
    justify-content: flex-start;
    padding: 0;
    margin: 12px 0 24px;
    font-size: 26px;
    font-weight: 900;
    color: var(--sa-text);
    gap: 14px;
    flex-wrap: wrap;
}
body.study-app .dg-quiz .audio_btn_quiz {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--sa-blue);
    box-shadow: 0 2px 6px rgba(0, 0, 0, .12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
body.study-app .dg-quiz .audio_btn_quiz img { display: none; }
body.study-app .dg-quiz .audio_btn_quiz::before {
    content: 'volume_up';
    font-family: 'Material Symbols Outlined';
    font-size: 28px;
    color: #fff;
    -webkit-font-feature-settings: 'liga';
    font-feature-settings: 'liga';
}
body.study-app .dg-quiz .btn-layout {
    display: block;
    width: 100%;
    min-height: 56px;
    margin: 0 0 12px;
    padding: 12px 16px;
    border: 2px solid var(--sa-line);
    border-radius: 14px;
    background: #fff;
    color: var(--sa-text);
    font-family: inherit;
    font-size: 17px;
    font-weight: 700;
    text-align: left;
    white-space: normal;
    transition: background .1s;
    -webkit-tap-highlight-color: transparent;
}
body.study-app .dg-quiz .btn-layout:hover { background: var(--sa-soft); }
body.study-app .dg-quiz .btn-layout:active { transform: translateY(2px);  }
body.study-app .dg-quiz .dg-answer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 60px;
    margin-top: 12px;
    font-weight: 800;
    color: var(--sa-muted);
}
body.study-app .dg-quiz .dg-answer .picture { height: 44px; }

/* ---------- 結果 ---------- */
.dg-row { display: grid; gap: 24px; }
body.study-app .dg-result .score-bord {
    text-align: center;
    padding: 24px 16px;
    border-radius: var(--sa-radius);
    margin: 0;
}
.dg-score-label {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    background: var(--sa-yellow);
    color: #fff;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .1em;
}
.dg-score-value { font-size: 60px; font-weight: 900; line-height: 1.1; color: #a3772c; margin-top: 8px; }
.dg-score-status { font-size: 20px; font-weight: 900; color: var(--sa-text); }
.dg-score-pict img { max-width: 150px; width: 45%; margin: 12px auto 4px; display: block; }
body.study-app .dg-result .input-group { display: flex; max-width: 460px; margin: 16px auto 8px !important; gap: 8px; }
body.study-app .dg-result .input-group .form-control {
    flex: 1;
    height: 48px !important;
    border: 2px solid var(--sa-line);
    border-radius: 14px !important;
    background: var(--sa-soft) !important;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    box-shadow: none;
    padding: 0 14px;
}
body.study-app .dg-result .input-group-btn { width: auto; }
body.study-app .dg-result .input-group-btn .btn {
    height: 48px;
    padding: 0 20px;
    border: 0;
    border-radius: 14px !important;
    background: var(--sa-green);
    box-shadow: 0 2px 6px rgba(0, 0, 0, .12);
    color: #fff;
    font-weight: 900;
}
body.study-app .dg-result .small { color: var(--sa-muted); font-size: 12px; margin-top: 4px; }
body.study-app .dg-result .checknox-wrap { font-size: 13px; font-weight: 700; margin-top: 6px; }

body.study-app .dg-result .viet-tb {
    border-collapse: separate;
    border-spacing: 0;
    border: 2px solid var(--sa-line);
    border-radius: var(--sa-radius);
    overflow: hidden;
    margin-top: 8px;
}
body.study-app .dg-result .viet-tb th {
    background: var(--sa-soft);
    color: var(--sa-muted);
    font-size: 12px;
    font-weight: 900;
    border: 0;
    padding: 10px 8px;
}
body.study-app .dg-result .viet-tb td {
    border: 0;
    border-top: 2px solid var(--sa-soft);
    padding: 10px 8px;
    font-size: 15px;
}
body.study-app .dg-result .viet-tb tr.thead { cursor: pointer; }
body.study-app .dg-result .viet-tb tr.thead:hover td { background: #fafafa; }
.dg-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin: 20px 0 8px; }

/* ---------- ランキング登録完了 ---------- */
.dg-rank-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.dg-rank-done { grid-column: 1 / -1; text-align: center; }
.dg-done-icon {
    width: 88px;
    height: 88px;
    margin: 8px auto 16px;
    border-radius: 50%;
    background: var(--sa-yellow);
    box-shadow: 0 2px 6px rgba(0, 0, 0, .12);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.dg-done-icon .material-symbols-outlined { font-size: 48px; }
.dg-done-actions { margin-top: 16px; }
.dg-rank-box {
    border: 2px solid var(--sa-line);
    border-radius: var(--sa-radius);
    padding: 16px;
    text-align: center;
}
.dg-rank-box h3 { font-size: 17px; font-weight: 900; margin: 0 0 12px; }
body.study-app .dg-rank-box .ranking-table th { background: var(--sa-soft); color: var(--sa-muted); font-weight: 900; }
.dg-back { grid-column: 1 / -1; text-align: center; margin-top: 4px; }

@media (max-width: 700px) {
    body.study-app .dg-quiz #text_q { font-size: 22px; }
    body.study-app .dg-quiz .btn-layout { font-size: 16px; }
    .dg-score-value { font-size: 48px; }
    .dg-rank-grid { grid-template-columns: minmax(0, 1fr); }
    body.study-app .dg-result .viet-tb td { font-size: 14px; padding: 8px 5px; }
    body.study-app .dg-result .viet-tb th { font-size: 11px; padding: 8px 5px; white-space: normal; }
    body.study-app .dg-result .viet-tb .toggle label { transform: scale(.85); transform-origin: center; }
    .dg-table-col { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .dg-actions .sa-btn { flex: 1 1 100%; }
}