/* ==========================================================================
   French Audio Studio - Daily Review (/review)
   Builds on style.css tokens (--primary, --surface, --line, ...)
   ========================================================================== */

.review-main {
    width: min(760px, 100%);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Phone: the library button keeps only its icon */
@media (max-width: 480px) {
    #toggle-browser-btn [data-i18n="library"] {
        display: none;
    }
}

/* Review settings sit beside the page title, not in the site header */
.review-intro {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-3) var(--space-6);
}

.review-settings {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.new-limit-control {
    display: inline-flex;
    white-space: nowrap;
    align-items: center;
    gap: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}

.new-limit-control select {
    min-height: 36px;
    border: 1px solid var(--line-strong);
    border-radius: 7px;
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    padding: 0 8px;
}

kbd {
    display: inline-block;
    min-width: 18px;
    padding: 1px 5px;
    border: 1px solid currentColor;
    border-radius: 4px;
    font: 600 11px/1.4 var(--font);
    opacity: 0.6;
    text-align: center;
}

.review-panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 22px;
}

.review-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
    padding: 36px 22px;
}

.review-message > svg {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.review-message h2 {
    margin: 0;
    font-size: 20px;
}

.review-message p {
    margin: 0 0 6px;
    color: var(--muted);
}

.review-error {
    margin: 0;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--danger-soft);
    color: var(--danger);
    font-weight: 600;
}

/* Legacy import ---------------------------------------------------------- */
.legacy-import {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-color: var(--accent);
    background: var(--accent-soft);
}

.legacy-import p {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.legacy-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* Summary ---------------------------------------------------------------- */
.review-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.summary-counts {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.count-pill {
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--surface);
    font-size: 13px;
    color: var(--muted);
}

.count-pill strong {
    color: var(--ink);
    font-size: 15px;
}

.count-learning strong { color: var(--danger); }
.count-review strong { color: var(--primary); }
.count-new strong { color: var(--accent); }

.summary-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 180px;
    max-width: 320px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}

.progress-track {
    flex: 1;
    height: 8px;
    border-radius: 999px;
    background: var(--surface-muted);
    overflow: hidden;
}

.progress-bar {
    width: 0;
    height: 100%;
    background: var(--primary);
    transition: width 0.3s ease;
}

/* Review card ------------------------------------------------------------ */
.review-card {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.card-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mode-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    color: var(--surface);
    font-weight: 800;
    font-size: 15px;
}

.mode-badge svg {
    width: 16px;
    height: 16px;
}

.card-state {
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}

.task-line {
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 14px;
}

.listen-prompt,
.audio-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.listen-prompt {
    justify-content: center;
    padding: 12px 0;
}

.btn-listen-big {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: var(--surface);
    display: grid;
    place-items: center;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.3);
}

.btn-listen-big svg {
    width: 38px;
    height: 38px;
}

.prompt-zh {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.5;
}

.prompt-fr,
.answer-fr {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.7;
}

.prompt-word {
    margin: 0;
    font-size: 30px;
    font-weight: 800;
    text-align: center;
}

.recognize-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.prompt-sub {
    margin: 6px 0 0;
    color: var(--muted);
}

.prompt-clue {
    margin: 8px 0 0;
    padding: 6px 10px;
    border-radius: 6px;
    background: var(--accent-soft);
    font-size: 14px;
}

.cloze-blank {
    display: inline-block;
    border-bottom: 3px solid var(--accent);
    color: var(--accent);
    text-align: center;
    margin: 0 2px;
}

.prompt-hint {
    margin-top: 10px;
    color: var(--muted);
    font-size: 14px;
}

.prompt-hint summary {
    cursor: pointer;
    font-weight: 600;
}

.prompt-hint p {
    margin: 6px 0 0;
}

.initials {
    font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
    letter-spacing: 0.08em;
    color: var(--ink);
}

.attempt-area:empty {
    display: none;
}

.attempt-note {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.btn-record {
    width: 100%;
    min-height: 54px;
    border: 2px dashed var(--primary);
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 16px;
    cursor: pointer;
}

.btn-record.recording {
    border-style: solid;
    background: var(--danger-soft);
    border-color: var(--danger);
    color: var(--danger);
    animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
    50% { opacity: 0.7; }
}

.live-transcript {
    margin: 10px 0 0;
    color: var(--muted);
    font-style: italic;
}

#my-recording {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    color: var(--muted);
    font-size: 13px;
}

#my-recording audio {
    height: 36px;
    max-width: 100%;
}

.cloze-form {
    display: flex;
    gap: 8px;
}

.cloze-form input {
    flex: 1;
    min-width: 0;
    min-height: 46px;
    padding: 0 12px;
    border: 2px solid var(--line-strong);
    border-radius: 8px;
    font: inherit;
    font-size: 18px;
}

.cloze-form input:focus {
    outline: none;
    border-color: var(--accent);
}

.reveal-btn {
    align-self: center;
    min-width: 200px;
    min-height: 48px;
    font-size: 15px;
}

/* Answer ----------------------------------------------------------------- */
.answer-area {
    display: flex;
    flex-direction: column;
    gap: 14px;
    border-top: 1px dashed var(--line-strong);
    padding-top: 16px;
}

.answer-sentence {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.answer-fr mark {
    background: var(--accent-soft);
    color: inherit;
    border-radius: 3px;
    padding: 0 2px;
}

.answer-zh {
    margin: 0;
    font-size: 16px;
}

.answer-en {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.answer-target {
    padding: 12px 14px;
    border-radius: 10px;
    background: var(--surface-muted);
}

.answer-target p {
    margin: 4px 0 0;
}

.target-meta {
    margin-left: 8px;
    color: var(--muted);
    font-size: 13px;
}

.target-hook {
    color: var(--accent);
    font-size: 13px;
}

.answer-grammar {
    font-size: 14px;
}

.answer-grammar summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--primary);
}

.grammar-item {
    margin-top: 10px;
    padding-left: 12px;
    border-left: 3px solid var(--primary-soft);
}

.grammar-item p {
    margin: 4px 0 0;
}

.attempt-result {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 14px;
    border-radius: 10px;
    background: var(--surface-muted);
}

.attempt-score {
    flex-shrink: 0;
    font-size: 30px;
    font-weight: 800;
    line-height: 1;
}

.attempt-score small {
    font-size: 13px;
    margin-left: 2px;
}

.score-excellent,
.score-good { color: var(--success); }
.score-pass { color: var(--accent); }
.score-needs-work { color: var(--danger); }

.diff-words {
    font-size: 16px;
    line-height: 1.8;
}

.diff-word.correct { color: var(--success); }
.diff-word.acceptable { color: var(--accent); }
.diff-word.missed { color: var(--danger); text-decoration: underline wavy; }

.attempt-heard {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.cloze-result {
    flex-direction: column;
    gap: 4px;
}

.cloze-result.correct { background: var(--success-soft); }
.cloze-result.close { background: var(--accent-soft); }
.cloze-result.wrong { background: var(--danger-soft); }

/* Grading ---------------------------------------------------------------- */
.grade-hint {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

.grade-buttons {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.btn-grade {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    min-height: 64px;
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    background: var(--surface);
    font: inherit;
    cursor: pointer;
}

.btn-grade:disabled {
    opacity: 0.5;
    cursor: wait;
}

.grade-name {
    font-weight: 800;
    font-size: 15px;
}

.grade-interval {
    color: var(--muted);
    font-size: 12px;
}

.grade-1 .grade-name { color: var(--danger); }
.grade-2 .grade-name { color: var(--accent); }
.grade-3 .grade-name { color: var(--success); }
.grade-4 .grade-name { color: var(--primary); }

.btn-grade.is-suggested {
    border-width: 2px;
    border-color: var(--ink);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

/* Card browser ----------------------------------------------------------- */
.deck-browser-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.deck-browser-head h2 {
    margin: 0;
    font-size: 18px;
}

.deck-browser-head input {
    flex: 1;
    max-width: 320px;
    min-height: 38px;
    padding: 0 12px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    font: inherit;
}

.deck-stats {
    color: var(--muted);
    font-size: 13px;
}

.deck-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.deck-note {
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
}

.deck-note-fr {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    font-weight: 700;
}

.deck-note-zh {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.deck-note-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.deck-card-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 4px 3px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface-muted);
    color: var(--ink);
    font-size: 12px;
    font-weight: 600;
}

.deck-card-chip svg {
    width: 13px;
    height: 13px;
}

.deck-card-chip em {
    font-style: normal;
    font-weight: 500;
    color: var(--muted);
}

.chip-delete:hover {
    background: var(--danger-soft);
    color: var(--danger);
}

.chip-delete {
    border: none;
    background: transparent;
    color: var(--muted);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    font-weight: 800;
    line-height: 1;
}

.deck-empty {
    color: var(--muted);
}

@media (max-width: 760px) {
    .review-panel {
        padding: 16px;
    }

    .legacy-import {
        flex-direction: column;
        align-items: stretch;
    }

    .prompt-zh {
        font-size: 19px;
    }

    .prompt-fr,
    .answer-fr {
        font-size: 18px;
    }

    .grade-buttons {
        gap: 6px;
    }

    .btn-grade kbd {
        display: none;
    }

    .deck-browser-head {
        flex-direction: column;
        align-items: stretch;
    }

    .deck-browser-head input {
        max-width: none;
    }
}

/* Grammar cards */
.grammar-rule-pill {
    display: inline-block;
    margin: 0 0 10px;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--primary-soft);
    color: var(--ink);
    font-size: 14px;
    font-weight: 700;
}

.answer-origin {
    padding-top: 10px;
    border-top: 1px dashed var(--line);
}

.origin-label {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.origin-fr {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 16px;
}

/* Letter-by-letter answer comparison */
.letter-diff {
    font-size: 18px;
    letter-spacing: 0.02em;
}

.ch-ok { color: var(--success); }
.ch-accent { color: var(--accent); text-decoration: underline dotted; }
.ch-bad { color: var(--danger); background: var(--danger-soft); border-radius: 2px; }
/* Mistakes live on the learner's line; the answer line is neutral and highlights what to change */
.ch-gap { color: var(--danger); background: var(--danger-soft); border-radius: 2px; padding: 0 2px; font-weight: 800; }
.letter-diff.is-answer .ch-ok { color: var(--ink); }
.ch-fix { color: var(--ink); background: var(--success-soft); border-radius: 3px; padding: 0 1px; box-shadow: inset 0 -2px 0 var(--success); }


/* Card importance (1-5 stars) */
.card-meta-right {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.card-importance button {
    border: none;
    background: none;
    padding: 0 1px;
    font-size: 18px;
    line-height: 1;
    color: var(--line-strong);
    cursor: pointer;
}

.card-importance button.filled {
    color: var(--accent);
}

/* Tap any French word to hear it */
.fr-word {
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.15s ease;
}

.fr-word:hover,
.fr-word.is-active-word {
    background: var(--primary-soft);
}

.cloze-blank-wrap {
    white-space: nowrap;
}

/* Choosing what to practise: library buttons and the bar shown while practising */
.deck-browser-head {
    flex-wrap: wrap;
}

#practice-shown-btn {
    min-height: 38px;
}

.btn-practise {
    margin-top: 6px;
    padding: 2px 0;
    border: 0;
    background: none;
    color: var(--primary);
    font: inherit;
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
}

.btn-practise:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.practice-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2) var(--space-4);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--primary-line);
    border-radius: var(--radius-md);
    background: var(--primary-soft);
    color: var(--ink);
    font-size: var(--text-sm);
}

.practice-bar[hidden] {
    display: none;
}

.practice-bar .btn {
    min-height: 36px;
}