/* ================================================================
   PETIT À PETIT — stylesheet
   Warm, clean, rounded, mobile-first
================================================================ */

/* ── Design tokens ── */
:root {
    --bg:            #DDD4C7;
    --bg-alt:        #D4C9BB;
    --card:          #FAF7F2;
    --card-hover:    #F5F0E8;
    --surface:       #F0EAE0;
    --border:        #C8BCAD;
    --text-primary:  #2E2820;
    --text-secondary:#7A6E62;
    --text-hint:     #A89E93;
    --accent:        #8B6F47;
    --accent-light:  #C4A882;
    --green:         #5A8A5A;
    --green-light:   #EAF3EA;
    --red:           #A05050;
    --red-light:     #F5EAEA;
    --streak:        #C4622D;

    --radius-sm:  8px;
    --radius-md:  14px;
    --radius-lg:  20px;
    --radius-xl:  28px;

    --shadow-card: 0 6px 32px rgba(46,40,32,0.10), 0 1px 4px rgba(46,40,32,0.06);
    --shadow-sm:   0 2px 8px rgba(46,40,32,0.08);

    --font-display: ui-serif, Georgia, serif;
    --font-ui:      -apple-system, ui-sans-serif, system-ui, sans-serif;
    --transition:   0.2s ease;
}

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    overflow: hidden;
    background: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    touch-action: pan-y;
}

button {
    font-family: var(--font-ui);
    cursor: pointer;
    border: none;
    background: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

input { font-family: var(--font-ui); }

/* ── View system ── */
.view {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateX(100%);
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg);
    will-change: transform;
}

.view.active { transform: translateX(0); }

/* ── Shared header ── */
.study-header, .sub-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    padding: 14px 18px 10px;
    flex-shrink: 0;
    position: relative;
}

.logo {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--text-primary);
    letter-spacing: 0.01em;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}

.sub-header-title-wrap {
    position: absolute;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
    pointer-events: none;
}

.sub-header-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.vocab-count {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-hint);
    letter-spacing: 0.04em;
}

.card-front-hint {
    margin-top: 10px;
    font-size: 0.78rem;
    color: var(--text-hint);
    font-style: italic;
    letter-spacing: 0.02em;
    text-align: center;
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: background var(--transition), color var(--transition);
}

.icon-btn:active { background: var(--surface); color: var(--text-primary); }

/* ── Streak badge ── */
.streak-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--card);
    border-radius: 20px;
    padding: 5px 12px 5px 8px;
    box-shadow: var(--shadow-sm);
    min-width: 56px;
    justify-content: center;
}

.streak-flame { font-size: 1rem; line-height: 1; filter: grayscale(1); }

#streak-count {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-secondary);
    min-width: 14px;
    text-align: center;
}

.streak-badge.zero #streak-count { color: var(--text-hint); }

/* ── Study footer (direction + subset toggles) ── */
.study-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 10px 18px 18px;
    flex-shrink: 0;
}

.direction-toggle {
    display: flex;
    background: var(--surface);
    border-radius: 20px;
    padding: 3px;
    gap: 2px;
    box-shadow: var(--shadow-sm);
}

.dir-btn {
    padding: 6px 14px;
    border-radius: 17px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: background var(--transition), color var(--transition);
    white-space: nowrap;
}

.dir-btn.active {
    background: var(--card);
    color: var(--accent);
    box-shadow: 0 1px 4px rgba(46,40,32,0.10);
}

/* ── Subset toggle (Full / Verbs / Core) ── */
/* Shares the same pill-strip style as the direction toggle. */
.subset-toggle {
    display: flex;
    background: var(--surface);
    border-radius: 20px;
    padding: 3px;
    gap: 2px;
    box-shadow: var(--shadow-sm);
}

.subset-btn {
    padding: 6px 14px;
    border-radius: 17px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: background var(--transition), color var(--transition);
    white-space: nowrap;
}

.subset-btn.active {
    background: var(--card);
    color: var(--accent);
    box-shadow: 0 1px 4px rgba(46,40,32,0.10);
}

/* ── Card area ── */
.card-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 48px;
    overflow: hidden;
}

.card-swipe-hint {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 0;
}

.card-swipe-hint--left  { left: 10px;  color: var(--red); }
.card-swipe-hint--right { right: 10px; color: var(--green); }
.card-area.revealed:not(.first-reveal) .card-swipe-hint { opacity: 1; }

/* ── First-card tutorial hints ── */
.swipe-tutorial {
    position: absolute;
    bottom: 22px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}
.swipe-tutorial--left  { left: 14px;  color: var(--red); }
.swipe-tutorial--right { right: 14px; color: var(--green); }
.card-area.first-reveal .swipe-tutorial { opacity: 1; }

/* ── The card ── */
.card {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 3/4;
    max-height: calc(100vh - 220px);
    position: relative;
    z-index: 1;
    user-select: none;
    -webkit-user-select: none;
    will-change: transform;
}

.card-face {
    position: absolute;
    inset: 0;
    background: var(--card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 28px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transition: opacity 0.18s ease;
}

.card-back { opacity: 0; pointer-events: none; }
.card.revealed .card-front { opacity: 0; pointer-events: none; }
.card.revealed .card-back  { opacity: 1; pointer-events: auto; }

/* Drag tint overlay */
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    background: transparent;
    transition: background 0.05s linear;
    pointer-events: none;
    z-index: 2;
}

.card.tint-right::before { background: rgba(90,138,90,0.12); }
.card.tint-left::before  { background: rgba(160,80,80,0.12); }

/* ── Card type badge ── */
.card-type-badge {
    position: absolute;
    top: 18px;
    left: 22px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-hint);
    padding: 3px 9px;
    background: var(--surface);
    border-radius: 20px;
}

/* ── Card content ── */
.card-prompt {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
    font-weight: 700;
    text-align: center;
    line-height: 1.2;
    color: var(--text-primary);
    word-break: break-word;
    white-space: pre-line;
}

.card-answer {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
    font-weight: 700;
    text-align: center;
    line-height: 1.4;
    color: var(--text-primary);
    word-break: break-word;
    white-space: pre-line;
}

.card-sub {
    margin-top: 16px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    text-align: center;
    font-style: italic;
    font-family: var(--font-display);
    line-height: 1.5;
    white-space: pre-line;
}

.tap-hint {
    position: absolute;
    bottom: 22px;
    font-size: 0.75rem;
    color: var(--text-hint);
    font-style: italic;
    letter-spacing: 0.02em;
    transition: opacity 0.3s ease;
}

.card.revealed .tap-hint { opacity: 0; }

/* ── Stats card face ── */
.card-stats-face {
    opacity: 0;
    pointer-events: none;
    justify-content: space-between;
    padding-top: 48px;
    padding-bottom: 36px;
}

.card.stats .card-front,
.card.stats .card-back   { opacity: 0; pointer-events: none; }
.card.stats .card-stats-face { opacity: 1; pointer-events: auto; }

.stats-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.stats-correct-num {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
}

.stats-correct-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-hint);
}

.stats-streak-line {
    margin-top: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.stats-quote-block {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.6;
    padding: 0 8px;
}

.stats-quote-attr {
    display: block;
    font-style: normal;
    font-size: 0.72rem;
    color: var(--text-hint);
    margin-top: 4px;
}

/* Edit shortcut */
.edit-shortcut {
    position: absolute;
    bottom: 18px;
    right: 18px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--text-hint);
    background: var(--surface);
    transition: color var(--transition), background var(--transition);
    line-height: 1;
    filter: grayscale(1);
}

.edit-shortcut:active { color: var(--accent); background: var(--bg-alt); }

/* ── Session complete ── */
#view-complete {
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.complete-card {
    background: var(--card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    padding: 48px 36px;
    text-align: center;
    max-width: 360px;
    width: 100%;
}

.complete-icon {
    font-size: 2.4rem;
    color: var(--accent);
    margin-bottom: 16px;
    line-height: 1;
}

.complete-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.complete-stats {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 32px;
}

.complete-stats strong { color: var(--text-primary); font-weight: 700; }

/* ── Buttons ── */
.btn-primary {
    display: block;
    width: 100%;
    padding: 16px;
    background: var(--accent);
    color: #FAF7F2;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    letter-spacing: 0.02em;
    transition: background var(--transition), transform 0.1s ease;
}

.btn-primary:active { background: var(--text-primary); transform: scale(0.98); }

.btn-danger {
    display: block;
    width: 100%;
    padding: 14px;
    background: transparent;
    color: var(--red);
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--red);
    margin-top: 12px;
    letter-spacing: 0.02em;
    transition: background var(--transition), color var(--transition);
}

.btn-danger:active { background: var(--red-light); }

/* ── Search ── */
.search-wrap { padding: 0 18px 12px; flex-shrink: 0; }

.search-input {
    width: 100%;
    padding: 11px 16px;
    background: var(--card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition);
    -webkit-appearance: none;
}

.search-input:focus    { border-color: var(--accent-light); }
.search-input::placeholder { color: var(--text-hint); }

/* ── Word list ── */
.word-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 18px 80px;
    -webkit-overflow-scrolling: touch;
}

.word-group { margin-bottom: 24px; }

.word-group-header {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-hint);
    padding: 4px 4px 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.word-group-header::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.word-item {
    display: flex;
    align-items: center;
    background: var(--card);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    margin-bottom: 6px;
    gap: 12px;
    cursor: pointer;
    transition: background var(--transition);
    box-shadow: 0 1px 4px rgba(46,40,32,0.06);
    position: relative;
}

.word-item:active { background: var(--card-hover); }

/* Subtle "CORE" stamp for words flagged as core vocabulary */
.word-item--core::after {
    content: 'core';
    position: absolute;
    right: 78px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.55rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.3;
    pointer-events: none;
    user-select: none;
}

.word-item-text { flex: 1; min-width: 0; }

.word-item-french {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.word-item-english {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gender-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    flex-shrink: 0;
    letter-spacing: 0.04em;
}

.gender-badge.M { background: #E0EAEE; color: #3A6A80; }
.gender-badge.F { background: #F0E6EE; color: #80426A; }

.word-item-chevron { color: var(--text-hint); font-size: 1rem; flex-shrink: 0; }

/* ── Form ── */
.form-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px 18px 40px;
    -webkit-overflow-scrolling: touch;
}

.form-section { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.optional {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.78rem;
    color: var(--text-hint);
}

.form-input {
    width: 100%;
    padding: 13px 15px;
    background: var(--card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    outline: none;
    -webkit-appearance: none;
    transition: border-color var(--transition);
}

.form-input:focus { border-color: var(--accent-light); }

.type-tiles { display: flex; gap: 6px; flex-wrap: nowrap; }

.type-tile {
    flex: 1;
    min-width: 0;
    padding: 9px 4px;
    text-align: center;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    font-weight: 600;
    background: var(--card);
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--transition);
    white-space: nowrap;
}

.type-tile.active { background: var(--accent); border-color: var(--accent); color: #FAF7F2; }

.gender-toggle { display: flex; gap: 10px; }

.gender-btn {
    flex: 1;
    padding: 11px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    background: var(--card);
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--transition);
}

.gender-btn.active { background: var(--accent); border-color: var(--accent); color: #FAF7F2; }

/* Conjugation list */
.conjugation-list { display: flex; flex-direction: column; gap: 6px; }

.conj-col-head-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding-bottom: 2px;
}

.conj-col-head {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-hint);
    padding-left: 10px;
}

.conj-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    align-items: center;
}

/* Shared bordered wrapper for both FR and EN cells */
.conj-input-wrap {
    display: flex;
    align-items: center;
    min-width: 0;
    background: var(--card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition);
}

.conj-input-wrap:focus-within { border-color: var(--accent-light); }

.conj-prefix {
    padding: 9px 2px 9px 9px;
    font-size: 0.78rem;
    color: var(--text-hint);
    font-style: italic;
    flex-shrink: 0;
    white-space: nowrap;
}

.conj-input {
    flex: 1;
    min-width: 0;
    padding: 9px 9px 9px 3px;
    border: none;
    background: transparent;
    font-family: var(--font-ui);
    font-size: 0.88rem;
    color: var(--text-primary);
    outline: none;
    -webkit-appearance: none;
}

/* "vous" placeholder — no English equivalent */
.en-input-skip {
    padding: 9px 10px;
    font-size: 0.78rem;
    color: var(--text-hint);
    font-style: italic;
    background: var(--surface);
    border-radius: var(--radius-md);
}

/* ── Core word checkbox ── */
.form-check-row {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.form-checkbox {
    width: 20px;
    height: 20px;
    accent-color: var(--accent);
    cursor: pointer;
    flex-shrink: 0;
}

.form-check-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-check-hint {
    margin-top: 4px;
    font-size: 0.78rem;
    color: var(--text-hint);
}

.form-actions { margin-top: 32px; }

/* ── Import CSV ── */
.header-actions { display: flex; gap: 2px; flex-shrink: 0; align-items: center; flex-wrap: nowrap; }

.import-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px 18px 40px;
    -webkit-overflow-scrolling: touch;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.import-drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px 24px;
    background: var(--card);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: border-color var(--transition), background var(--transition);
}

.import-drop-zone.drag-over {
    border-color: var(--accent-light);
    background: var(--surface);
}

.import-drop-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.btn-outline {
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--transition);
    font-family: var(--font-ui);
    cursor: pointer;
}

.btn-outline:active { background: var(--surface); color: var(--text-primary); }

.import-template-link {
    font-size: 0.78rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.import-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 14px 16px;
    background: var(--card);
    border-radius: var(--radius-md);
    line-height: 1.7;
}

.import-summary strong { color: var(--text-primary); font-weight: 700; }

.import-errors {
    font-size: 0.82rem;
    color: var(--red);
    padding: 0 4px;
    line-height: 1.7;
}

.import-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

/* ── Auth modal ── */
/* Full-screen overlay with blur; the inner card is centered. */
.auth-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(46,40,32,0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.auth-card {
    background: var(--card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    padding: 32px 28px;
    width: 100%;
    max-width: 340px;
}

.auth-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 8px;
}

.auth-desc {
    font-size: 0.84rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.55;
    margin-bottom: 20px;
}

.auth-error {
    font-size: 0.82rem;
    color: var(--red);
    text-align: center;
    margin-top: 10px;
}

.auth-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

/* ── Utility ── */
.hidden { display: none !important; }

/* ── Toast ── */
.toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    background: var(--text-primary);
    color: var(--card);
    padding: 10px 22px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
    z-index: 999;
    white-space: nowrap;
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Empty state ── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-hint);
    font-size: 0.9rem;
    font-style: italic;
}

/* ── Dark mode ── */
@media (prefers-color-scheme: dark) {
    :root {
        --bg:            #1C1814;
        --bg-alt:        #221D18;
        --card:          #2C2720;
        --card-hover:    #332D26;
        --surface:       #26211C;
        --border:        #3E3730;
        --text-primary:  #EDE5D8;
        --text-secondary:#9A8E82;
        --text-hint:     #6A6058;
        --accent:        #B08858;
        --accent-light:  #C4A882;
        --green:         #6A9A6A;
        --green-light:   #1C2E1C;
        --red:           #B86868;
        --red-light:     #2E1C1C;
        --streak:        #D4722D;

        --shadow-card:   0 6px 32px rgba(0,0,0,0.50), 0 1px 4px rgba(0,0,0,0.30);
        --shadow-sm:     0 2px 8px rgba(0,0,0,0.35);
    }

    /* Gender badges use hardcoded colors so need explicit dark overrides */
    .gender-badge.M { background: #1A2A32; color: #7AB8D0; }
    .gender-badge.F { background: #2A1A2A; color: #D07AB0; }

    /* Tone down the swipe hint icons — full saturation is too loud on dark */
    .card-area.revealed:not(.first-reveal) .card-swipe-hint { opacity: 0.45; }

    /* Dim the flame emoji so it doesn't glow white against the dark background */
    .streak-flame { filter: grayscale(1) brightness(0.55); }
}

/* ── Card animations ── */
@keyframes swipe-right {
    to { transform: translateX(140%) rotate(18deg); opacity: 0; }
}

@keyframes swipe-left {
    to { transform: translateX(-140%) rotate(-18deg); opacity: 0; }
}

@keyframes card-enter {
    from { transform: scale(0.93) translateY(10px); opacity: 0; }
    to   { transform: scale(1) translateY(0); opacity: 1; }
}

.card.exit-right {
    animation: swipe-right 0.35s cubic-bezier(0.4,0,1,1) forwards;
    pointer-events: none;
}

.card.exit-left {
    animation: swipe-left 0.35s cubic-bezier(0.4,0,1,1) forwards;
    pointer-events: none;
}

.card.enter {
    animation: card-enter 0.3s cubic-bezier(0.2,0,0,1) forwards;
}