/* ── Single question view (adapted from question_demo.html) ── */

.qv-wrap { max-width: 820px; margin: 0 auto; padding: 28px 16px 80px; }

.qv-back { font-size: .8rem; font-weight: 700; color: var(--underline-color); text-decoration: none; display: inline-flex; align-items: center; gap: 5px; margin-bottom: 16px; }
.qv-back:hover { color: var(--title-color); }

/* Status bar */
.qv-status { border-radius: 12px; padding: 11px 18px; margin-bottom: 14px; font-size: .83rem; font-weight: 600; display: flex; align-items: center; }
.qv-status-pending   { background: rgba(245,158,11,.1); color: #d97706; border: 1px solid rgba(245,158,11,.25); }
.qv-status-validated { background: rgba(34,197,94,.1);  color: #16a34a; border: 1px solid rgba(34,197,94,.25); }
.qv-status-rejected  { background: rgba(239,68,68,.1);  color: #dc2626; border: 1px solid rgba(239,68,68,.25); }

/* Admin bar */
.qv-admin-bar { background: rgba(var(--rgb-underline-color),.05); border: 1px solid rgba(var(--rgb-underline-color),.2); border-radius: 12px; padding: 12px 18px; margin-bottom: 14px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* ── Question card (same as demo) ── */
.q-card { background: var(--card-color); border-radius: 20px; box-shadow: 0 6px 24px rgba(74,51,42,.07); overflow: visible; margin-bottom: 16px; border: 1px solid var(--border-color); }
.q-header { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 18px 24px 0; }
.q-type-badge { font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 3px 10px; border-radius: 20px; white-space: nowrap; }
.blanks-hints-badge { display: inline-flex; align-items: center; gap: 4px; font-size: .68rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; white-space: nowrap; }
.blanks-hints-yes { background: rgba(34,197,94,.15); color: #15803d; }
.blanks-hints-no  { background: rgba(0,0,0,.06); color: var(--p-color); }
.q-difficulty { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.q-diff-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--border-color); }
.q-diff-dot.active { background: var(--underline-color); }
.q-stats { display: flex; gap: 14px; font-size: .75rem; color: var(--text-muted-input); }
.q-stat { display: flex; align-items: center; gap: 4px; }

.q-themes { padding: 8px 24px 0; display: flex; flex-wrap: wrap; gap: 6px; }
.q-theme { background: var(--bg-input); border: 1px solid var(--border-color); border-radius: 20px; padding: 2px 10px; font-size: .68rem; font-weight: 600; color: var(--text-muted-input); text-decoration: none; }
a.q-theme-tag:hover { background: rgba(var(--rgb-title-color),.1); color: var(--text-color); border-color: var(--text-muted-input); }

.q-context-wrap { padding: 8px 24px 0; }
.q-context-toggle { background: none; border: none; color: var(--link-color,var(--underline-color)); font-size: .8rem; font-weight: 600; cursor: pointer; padding: 0; display: flex; align-items: center; gap: 6px; }
.q-context-toggle:hover { color: var(--title-color); }
.q-context-toggle .icon-chevron { font-size: .75rem; transition: transform .2s; display: inline-block; }
.q-context-toggle[aria-expanded="true"] .icon-chevron { transform: rotate(180deg); }
.q-context { margin-top: 10px; background: var(--bg-input); border-left: 3px solid var(--underline-color); border-radius: 0 10px 10px 0; padding: 12px 16px; font-size: .88rem; line-height: 1.6; color: var(--text-color); }

.q-body { padding: 16px 24px 24px; display: flex; flex-direction: column; }
.q-question { font-size: .97rem; font-weight: 600; color: var(--title-color); line-height: 1.55; margin: 0 0 14px; }
.q-multi-hint { font-size: .8rem; font-weight: 400; color: var(--text-muted-input); display: block; margin-top: 4px; }

/* QCM */
.q-options { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.q-option { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 12px; border: 1.5px solid var(--border-color); cursor: pointer; transition: border-color .15s, background .15s; user-select: none; text-align: left; width: 100%; background: transparent; }
.q-option:hover { border-color: var(--underline-color); background: rgba(var(--rgb-underline-color),.06); }
.q-option.selected  { border-color: var(--underline-color); background: rgba(var(--rgb-underline-color),.10); }
.q-option.correct   { border-color: #3a7d44; background: rgba(168,213,171,.22); }
.q-option.incorrect { border-color: var(--error-color); background: rgba(222,133,103,.10); }
.q-option-letter { width: 28px; height: 28px; border-radius: 50%; background: var(--bg-input); border: 1.5px solid var(--border-color); display: flex; align-items: center; justify-content: center; font-size: .76rem; font-weight: 700; color: var(--text-muted-input); flex-shrink: 0; transition: background .15s, border-color .15s, color .15s; }
.q-option.selected  .q-option-letter { background: var(--underline-color); border-color: var(--underline-color); color: #fff; }
.q-option.correct   .q-option-letter { background: #3a7d44; border-color: #3a7d44; color: #fff; }
.q-option.incorrect .q-option-letter { background: var(--error-color); border-color: var(--error-color); color: #fff; }
.q-options-multiple .q-option-letter { border-radius: 6px; }
.q-option-text { flex: 1; font-size: .9rem; color: var(--text-color); }
.q-option-icon { font-size: .85rem; opacity: 0; min-width: 14px; }
.q-option.correct   .q-option-icon { opacity: 1; color: #3a7d44; }
.q-option.incorrect .q-option-icon { opacity: 1; color: var(--error-color); }

/* Text input */
.q-text-input { width: 100%; background: var(--bg-input); border: 1.5px solid var(--border-color); border-radius: 12px; padding: 12px 16px; font-size: .9rem; color: var(--text-color); resize: vertical; min-height: 80px; font-family: inherit; transition: border-color .15s; }
.q-text-input:focus { outline: none; border-color: var(--underline-color); box-shadow: 0 0 0 3px rgba(var(--rgb-underline-color),.1); }
.q-expected-answer { margin-top: 12px; background: rgba(168,213,171,.18); border-left: 3px solid #3a7d44; border-radius: 0 10px 10px 0; padding: 12px 16px; font-size: .88rem; }
.q-expected-title { font-size: .74rem; font-weight: 800; color: #3a7d44; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.q-expected-body { line-height: 1.65; color: var(--text-color); }

/* Blanks */
.q-blanks-text { font-size: .95rem; line-height: 2.3; color: var(--text-color); }
.q-blank { display: inline-block; min-width: 90px; padding: 2px 8px; border: none; border-bottom: 2px solid var(--underline-color); background: transparent; color: var(--title-color); font-size: .95rem; font-weight: 600; text-align: center; font-family: inherit; transition: border-color .15s; }
.q-blank:focus { outline: none; border-color: var(--title-color); }
.q-blank.correct   { border-color: #3a7d44; color: #3a7d44; }
.q-blank.incorrect { border-color: var(--error-color); color: var(--error-color); }
.q-blank.revealed  { border-color: #3a7d44; color: #3a7d44; font-style: italic; }

.q-blank-wrap { position: relative; display: inline-block; }
.q-blank-suggs {
    position: absolute; top: calc(100% + 4px); left: 50%; transform: translateX(-50%);
    z-index: 60; min-width: 160px; max-height: 220px; overflow-y: auto;
    background: var(--card-color); border: 1.5px solid var(--border-color); border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,.14); padding: 6px; display: flex; flex-direction: column; gap: 2px;
}
.q-blank-sugg-item {
    border: none; background: transparent; text-align: left; padding: 6px 10px; border-radius: 7px;
    font-size: .82rem; font-family: inherit; color: var(--text-color); cursor: pointer; white-space: nowrap;
}
.q-blank-sugg-item:hover { background: color-mix(in srgb, var(--underline-color) 10%, transparent); color: var(--underline-color); }

/* Journal */
.q-journal { font-size: .85rem; }
.q-journal-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.q-journal-table th { background: var(--bg-input); color: var(--text-muted-input); font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 8px 10px; text-align: left; border-bottom: 2px solid var(--border-color); }
.q-journal-table td { padding: 3px 3px; border-bottom: 1px solid var(--border-color); vertical-align: middle; }
.q-journal-table th:nth-child(1),.q-journal-table td:nth-child(1) { width: 90px; }
.q-journal-table th:nth-child(3),.q-journal-table td:nth-child(3),
.q-journal-table th:nth-child(4),.q-journal-table td:nth-child(4) { width: 108px; }
.q-journal-table th:nth-child(5),.q-journal-table td:nth-child(5) { width: 34px; }
.q-j-input { width: 100%; background: transparent; border: 1.5px solid transparent; border-radius: 6px; padding: 5px 7px; font-size: .84rem; color: var(--text-color); font-family: inherit; transition: border-color .12s, background .12s; }
.q-j-input:focus { outline: none; border-color: var(--underline-color); background: var(--bg-input); }
.q-j-input.q-j-num    { font-family: monospace; font-weight: 700; }
.q-j-input.q-j-amount { text-align: right; font-family: monospace; }
.q-journal-table tfoot td { font-weight: 700; font-size: .82rem; padding: 8px 10px; border-top: 2px solid var(--border-color); border-bottom: none; color: var(--title-color); }
.q-total-debit,.q-total-credit { text-align: right; font-family: monospace; }
.q-journal-balance { margin-top: 8px; font-size: .78rem; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.q-journal-balance.balanced   { color: #3a7d44; }
.q-journal-balance.unbalanced { color: var(--error-color); }
.q-journal-add-row { margin-top: 10px; background: none; border: 1.5px dashed var(--border-color); border-radius: 8px; padding: 7px 14px; font-size: .8rem; font-weight: 600; color: var(--text-muted-input); cursor: pointer; width: 100%; transition: border-color .15s, color .15s; }
.q-journal-add-row:hover { border-color: var(--underline-color); color: var(--underline-color); }
.q-j-delete { background: none; border: none; color: var(--border-color); cursor: pointer; padding: 4px; border-radius: 6px; font-size: .85rem; transition: color .12s; display: flex; align-items: center; justify-content: center; width: 100%; }
.q-j-delete:hover { color: var(--error-color); }
.q-pcg-wrap { position: relative; }
.q-pcg-dropdown { position: absolute; top: calc(100% + 4px); left: 0; width: 340px; max-height: 220px; overflow-y: auto; background: var(--card-color); border: 1.5px solid var(--border-color); border-radius: 12px; box-shadow: 0 8px 24px rgba(74,51,42,.13); z-index: 1000; }
.q-pcg-item { padding: 8px 12px; cursor: pointer; display: flex; gap: 10px; align-items: baseline; transition: background .1s; }
.q-pcg-item:hover,.q-pcg-item.focused { background: rgba(var(--rgb-underline-color),.08); }
.q-pcg-num { font-family: monospace; font-weight: 700; font-size: .82rem; color: var(--underline-color); min-width: 50px; flex-shrink: 0; }
.q-pcg-label { font-size: .82rem; color: var(--text-color); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.q-pcg-item .highlight { background: rgba(var(--rgb-underline-color),.2); border-radius: 2px; }
.q-pcg-empty { padding: 10px 12px; font-size: .82rem; color: var(--text-muted-input); text-align: center; }

/* Correction details */
.q-correction-details { margin-top: 14px; }
.q-correction-summary { background: none; border: 1.5px solid var(--border-color); border-radius: 30px; padding: 7px 20px; font-size: .84rem; font-weight: 700; color: var(--text-muted-input); cursor: pointer; display: inline-flex; align-items: center; gap: 8px; list-style: none; transition: border-color .2s, color .2s; }
.q-correction-details[open] .q-correction-summary { border-color: var(--underline-color); color: var(--underline-color); }
.q-correction-details summary::-webkit-details-marker { display: none; }
.q-correction-body { margin-top: 12px; background: rgba(168,213,171,.16); border-left: 3px solid #3a7d44; border-radius: 0 10px 10px 0; padding: 12px 16px; }
.corr-table { width: 100%; border-collapse: collapse; font-size: .84rem; }
.corr-table th { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted-input); padding: 6px 8px; border-bottom: 2px solid rgba(0,0,0,.08); text-align: left; }
.corr-table td { padding: 5px 8px; border-bottom: 1px solid rgba(0,0,0,.06); }
.corr-table td:last-child,.corr-table td:nth-child(3) { text-align: right; font-family: monospace; font-weight: 600; color: var(--title-color); }

/* Result / validate */
.q-result { margin-top: 14px; border-radius: 12px; padding: 13px 16px; font-size: .88rem; display: flex; gap: 12px; align-items: flex-start; }
.q-result.success { background: rgba(168,213,171,.2); border: 1.5px solid rgba(168,213,171,.6); color: #2d6a35; }
.q-result.error   { background: rgba(222,133,103,.1); border: 1.5px solid rgba(222,133,103,.4); color: #8b3a24; }
.q-result-icon  { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.q-result-title { font-weight: 700; margin-bottom: 3px; }
.q-result-body  { font-size: .85rem; opacity: .9; line-height: 1.5; }
.q-btn-validate { background: var(--underline-color); color: #fff; border: none; border-radius: 30px; padding: 8px 24px; font-size: .88rem; font-weight: 700; cursor: pointer; transition: background .2s, transform .15s; margin-top: 16px; display: inline-flex; align-items: center; gap: 8px; }
.q-btn-validate:hover { background: var(--title-color); transform: translateY(-1px); }
.q-btn-validate:disabled { background: var(--bg-disabled,#ddd); color: var(--text-disabled,#bbb); cursor: not-allowed; transform: none; }

/* Similarity block */
.qv-similarity { margin-top: 14px; background: var(--card-color); border: 1.5px solid var(--border-color); border-radius: 14px; padding: 16px 20px; }
.qv-sim-label  { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted-input); margin-bottom: 8px; }
.qv-sim-bar-wrap { background: var(--bg-input); border-radius: 30px; height: 8px; margin-bottom: 6px; overflow: hidden; }
.qv-sim-bar { height: 100%; border-radius: 30px; background: var(--underline-color); transition: width .5s; width: 0; }
.qv-sim-score { font-size: .8rem; font-weight: 700; color: var(--title-color); margin-bottom: 12px; }
.qv-sim-user { font-size: .88rem; line-height: 1.7; color: var(--text-color); padding: 10px 14px; background: var(--bg-input); border-radius: 10px; margin-bottom: 8px; }
.qv-sim-match { background: rgba(168,213,171,.4); color: #2d6a35; border-radius: 3px; padding: 1px 2px; }
.qv-sim-miss  { background: rgba(222,133,103,.3); color: #8b3a24; border-radius: 3px; padding: 1px 2px; }
.qv-sim-legend { font-size: .72rem; color: var(--text-muted-input); }
.qv-self-eval { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.qv-eval-btn { border: 1.5px solid var(--border-color); border-radius: 30px; padding: 6px 16px; font-size: .82rem; font-weight: 700; cursor: pointer; background: none; transition: background .15s, border-color .15s; font-family: inherit; }
.qv-eval-btn.ok:hover, .qv-eval-btn.ok.selected { background: rgba(168,213,171,.3); border-color: #3a7d44; color: #2d6a35; }
.qv-eval-btn.ko:hover, .qv-eval-btn.ko.selected { background: rgba(222,133,103,.2); border-color: var(--error-color); color: #8b3a24; }
.qv-eval-btn.dim { opacity: .35; }

/* Meta bar */
.qv-meta-bar { display: flex; flex-wrap: wrap; gap: 14px; font-size: .76rem; color: var(--text-muted-input); padding: 14px 0; border-bottom: 1px solid var(--border-color); margin-bottom: 14px; }

/* Owner panel */
.qv-owner-panel { background: var(--card-color); border: 1px solid var(--border-color); border-radius: 14px; padding: 16px 20px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }

/* Settings dropdown */
.qv-settings-wrap { position: relative; }
.qv-settings-dd {
    position: absolute; top: calc(100% + 6px); left: 0; z-index: 60; min-width: 220px;
    background: var(--card-color); border: 1px solid var(--border-color); border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,.14); padding: 6px; overflow: hidden;
}
.qv-settings-item {
    display: flex; align-items: center; width: 100%; padding: 9px 12px; border: none; background: none;
    font-size: .82rem; font-weight: 600; color: var(--title-color); border-radius: 7px; cursor: pointer;
    text-align: left; transition: background .15s, color .15s;
}
.qv-settings-item:hover { background: rgba(var(--rgb-title-color),.06); }
.qv-settings-item-danger { color: #ef4444; }
.qv-settings-item-danger:hover { background: rgba(239,68,68,.1); color: #ef4444; }

/* Add to playlist */
.qv-add-playlist { background: var(--card-color); border: 1px solid var(--border-color); border-radius: 14px; padding: 16px 20px; }
.qv-pl-btn { background: none; border: 1.5px solid var(--underline-color); color: var(--underline-color); border-radius: 30px; padding: 7px 18px; font-size: .84rem; font-weight: 700; cursor: pointer; font-family: inherit; transition: background .15s; }
.qv-pl-btn:hover { background: rgba(var(--rgb-underline-color),.08); }

/* Playlist modal */
.qv-modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 1000;
    display: flex; align-items: center; justify-content: center; padding: 20px;
}
.qv-modal {
    background: var(--card-color); border: 1px solid var(--border-color); border-radius: 14px;
    padding: 28px; max-width: 460px; width: 100%; position: relative;
}
.qv-modal-close { position: absolute; top: 14px; right: 14px; background: none; border: none; font-size: 1rem; color: var(--text-muted-input); cursor: pointer; }
.qv-modal-title { font-size: 1.05rem; font-weight: 800; color: var(--title-color); margin: 0 0 14px; }

.qv-pl-search-wrap { position: relative; margin-bottom: 10px; }
.qv-pl-search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted-input); font-size: .8rem; }
.qv-pl-search-input {
    width: 100%; padding: 8px 12px 8px 34px; border: 1.5px solid var(--border-color); border-radius: 8px;
    background: var(--background-secondary); color: var(--title-color); font-size: .86rem; outline: none;
    transition: border-color .15s; box-sizing: border-box; font-family: inherit;
}
.qv-pl-search-input:focus { border-color: var(--underline-color); }

.qv-pl-filter-row { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.qv-pl-filter-btn {
    background: none; border: 1.5px solid var(--border-color); color: var(--text-muted-input);
    border-radius: 20px; padding: 4px 12px; font-size: .75rem; font-weight: 700; cursor: pointer;
    font-family: inherit; transition: border-color .15s, color .15s, background .15s;
}
.qv-pl-filter-btn:hover { border-color: var(--underline-color); color: var(--underline-color); }
.qv-pl-filter-btn.active { background: var(--underline-color); border-color: var(--underline-color); color: #fff; }

.qv-pl-list { max-height: 260px; overflow-y: auto; margin-bottom: 12px; border: 1px solid var(--border-color); border-radius: 8px; }
.qv-pl-loading, .qv-pl-empty { padding: 18px; text-align: center; font-size: .84rem; color: var(--text-muted-input); }
.qv-pl-row {
    display: flex; align-items: center; gap: 10px; padding: 10px 14px; cursor: pointer;
    border-bottom: 1px solid var(--border-color); transition: background .15s;
}
.qv-pl-row:last-child { border-bottom: none; }
.qv-pl-row:hover { background: rgba(var(--rgb-underline-color), .05); }
.qv-pl-row.selected { background: rgba(var(--rgb-underline-color), .1); }
.qv-pl-icon { color: var(--text-muted-input); font-size: .82rem; width: 16px; flex-shrink: 0; }
.qv-pl-name { flex: 1; font-size: .88rem; color: var(--title-color); font-weight: 600; }
.qv-pl-count { font-size: .75rem; color: var(--text-muted-input); white-space: nowrap; }
.qv-pl-check { color: #27ae60; font-size: .8rem; }
.qv-pl-row.added .qv-pl-name { color: var(--text-muted-input); }
.qv-pl-row.added { cursor: default; }
.qv-pl-cb { font-size: .9rem; color: var(--text-muted-input); width: 16px; flex-shrink: 0; }
.qv-pl-row.selected .qv-pl-cb { color: var(--underline-color); }
.qv-pl-row.added .qv-pl-cb { color: #27ae60; }
.qv-pl-selectall-btn { display: inline-flex; align-items: center; }

.qv-pl-new { display: flex; gap: 8px; margin-bottom: 12px; }
.qv-pl-new-input {
    flex: 1; padding: 8px 12px; border: 1.5px solid var(--border-color); border-radius: 8px;
    background: var(--background-secondary); color: var(--title-color); font-size: .86rem; outline: none;
    transition: border-color .15s; font-family: inherit;
}
.qv-pl-new-input:focus { border-color: var(--underline-color); }
.qv-pl-new-btn {
    padding: 8px 14px; background: var(--underline-color); color: #fff; border: none; border-radius: 8px;
    font-size: .88rem; cursor: pointer; transition: opacity .15s; flex-shrink: 0;
}
.qv-pl-new-btn:hover { opacity: .88; }
.qv-pl-new-btn:disabled { opacity: .5; cursor: not-allowed; }

.qv-btn-pl-confirm {
    width: 100%; padding: 10px; background: var(--underline-color); color: #fff; border: none; border-radius: 8px;
    font-size: .9rem; font-weight: 700; cursor: pointer; transition: opacity .15s;
}
.qv-btn-pl-confirm:hover { opacity: .9; }
.qv-btn-pl-confirm:disabled { opacity: .4; cursor: not-allowed; }
.qv-pl-btn:disabled { opacity: .6; cursor: not-allowed; }

@media (max-width: 600px) {
    .qv-wrap { padding: 16px 12px 60px; }
    .q-card  { border-radius: 14px; }
    .q-body  { padding: 12px 16px 16px; }
    .q-header { padding: 14px 16px 0; }
    .q-themes { padding: 6px 16px 0; }
    .q-context-wrap { padding: 6px 16px 0; }
}