/* ============================================================
   Text Analyzer — bkbg-ta-*
   ============================================================ */

.bkbg-ta-wrap {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    padding: 32px 24px;
    border-radius: 16px;
    max-width: var(--ta-max-width, 760px);
    margin: 0 auto;
}

/* ---- Header ---- */
.bkbg-ta-wrap .bkbg-ta-title {
    font-family:       var(--bkta-tt-ff);
    font-size:         var(--bkta-tt-fs-d, 26px);
    line-height:       var(--bkta-tt-lh-d, 1.25);
    letter-spacing:    var(--bkta-tt-ls-d);
    word-spacing:      var(--bkta-tt-ws-d);
    font-weight:       var(--bkta-tt-fw, 700);
    font-style:        var(--bkta-tt-fst);
    text-decoration:   var(--bkta-tt-td);
    text-transform:    var(--bkta-tt-tt);
    color: var(--ta-title-color, #111827);
    margin: 0 0 5px;
}

.bkbg-ta-wrap .bkbg-ta-subtitle {
    font-family:       var(--bkta-st-ff);
    font-size:         var(--bkta-st-fs-d, 14px);
    line-height:       var(--bkta-st-lh-d, 1.4);
    letter-spacing:    var(--bkta-st-ls-d);
    word-spacing:      var(--bkta-st-ws-d);
    font-weight:       var(--bkta-st-fw);
    font-style:        var(--bkta-st-fst);
    text-decoration:   var(--bkta-st-td);
    text-transform:    var(--bkta-st-tt);
    color: var(--ta-subtitle-color, #6b7280);
    margin: 0 0 16px;
}

/* ---- Textarea ---- */
.bkbg-ta-input {
    width: 100%;
    box-sizing: border-box;
    border: 1.5px solid #e5e7eb;
    border-radius: 12px;
    padding: 14px 16px;
    font-size: 14px;
    color: var(--ta-label-color, #374151);
    background: var(--ta-input-bg, #f8fafc);
    font-family: inherit;
    line-height: 1.65;
    resize: vertical;
    outline: none;
    transition: border-color .15s;
    margin-bottom: 20px;
}

.bkbg-ta-input:focus { border-color: var(--ta-accent, #8b5cf6); box-shadow: 0 0 0 3px rgba(139,92,246,.1); }

/* ---- Section heading ---- */
.bkbg-ta-section-head {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--ta-label-color, #374151);
    margin-bottom: 10px;
}

/* ---- Stat cards grid ---- */
.bkbg-ta-stats-grid {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.bkbg-ta-stat {
    background: var(--ta-stat-bg, #f5f3ff);
    border-radius: 12px;
    padding: 12px 16px;
    text-align: center;
    flex: 1;
    min-width: 80px;
}

.bkbg-ta-stat-num {
    font-size: 26px;
    font-weight: 800;
    color: var(--ta-stat-num-color, #6d28d9);
    line-height: 1.1;
}

.bkbg-ta-stat-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--ta-label-color, #374151);
    margin-top: 4px;
}

/* ---- Frequency chart ---- */
.bkbg-ta-freq-list {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 20px;
}

.bkbg-ta-freq-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.bkbg-ta-freq-word {
    width: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ta-label-color, #374151);
    text-align: right;
    flex-shrink: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bkbg-ta-freq-track {
    flex: 1;
    background: #f3f4f6;
    border-radius: 6px;
    height: 20px;
    overflow: hidden;
}

.bkbg-ta-freq-bar {
    height: 100%;
    background: var(--ta-bar-color, #8b5cf6);
    border-radius: 6px;
    transition: width .35s cubic-bezier(.4,0,.2,1);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 6px;
    min-width: 0;
    overflow: hidden;
}

.bkbg-ta-freq-count {
    width: 26px;
    font-size: 12px;
    font-weight: 700;
    color: var(--ta-stat-num-color, #6d28d9);
    text-align: right;
    flex-shrink: 0;
}

/* ---- Copy row ---- */
.bkbg-ta-copy-row {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 6px;
}

.bkbg-ta-copy-btn {
    background: none;
    border: 1.5px solid var(--ta-accent, #8b5cf6);
    color: var(--ta-accent, #8b5cf6);
    border-radius: 8px;
    padding: 5px 13px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s;
}

.bkbg-ta-copy-btn:hover { background: rgba(139,92,246,.07); }

/* ---- Empty state ---- */
.bkbg-ta-empty {
    text-align: center;
    padding: 40px 20px;
    font-size: 14px;
    color: var(--ta-label-color, #374151);
    opacity: .5;
}

/* ---- Typography responsive ---- */
@media (max-width: 1024px) {
    .bkbg-ta-wrap .bkbg-ta-title {
        font-size:      var(--bkta-tt-fs-t, var(--bkta-tt-fs-d, 26px));
        line-height:    var(--bkta-tt-lh-t, var(--bkta-tt-lh-d, 1.25));
        letter-spacing: var(--bkta-tt-ls-t, var(--bkta-tt-ls-d));
        word-spacing:   var(--bkta-tt-ws-t, var(--bkta-tt-ws-d));
    }
    .bkbg-ta-wrap .bkbg-ta-subtitle {
        font-size:      var(--bkta-st-fs-t, var(--bkta-st-fs-d, 14px));
        line-height:    var(--bkta-st-lh-t, var(--bkta-st-lh-d, 1.4));
        letter-spacing: var(--bkta-st-ls-t, var(--bkta-st-ls-d));
        word-spacing:   var(--bkta-st-ws-t, var(--bkta-st-ws-d));
    }
}
@media (max-width: 767px) {
    .bkbg-ta-wrap .bkbg-ta-title {
        font-size:      var(--bkta-tt-fs-m, var(--bkta-tt-fs-t, var(--bkta-tt-fs-d, 26px)));
        line-height:    var(--bkta-tt-lh-m, var(--bkta-tt-lh-t, var(--bkta-tt-lh-d, 1.25)));
        letter-spacing: var(--bkta-tt-ls-m, var(--bkta-tt-ls-t, var(--bkta-tt-ls-d)));
        word-spacing:   var(--bkta-tt-ws-m, var(--bkta-tt-ws-t, var(--bkta-tt-ws-d)));
    }
    .bkbg-ta-wrap .bkbg-ta-subtitle {
        font-size:      var(--bkta-st-fs-m, var(--bkta-st-fs-t, var(--bkta-st-fs-d, 14px)));
        line-height:    var(--bkta-st-lh-m, var(--bkta-st-lh-t, var(--bkta-st-lh-d, 1.4)));
        letter-spacing: var(--bkta-st-ls-m, var(--bkta-st-ls-t, var(--bkta-st-ls-d)));
        word-spacing:   var(--bkta-st-ws-m, var(--bkta-st-ws-t, var(--bkta-st-ws-d)));
    }
}

/* ---- Responsive ---- */
@media (max-width: 520px) {
    .bkbg-ta-wrap     { padding: 20px 12px; }
    .bkbg-ta-stat     { min-width: 70px; padding: 10px 10px; }
    .bkbg-ta-stat-num { font-size: 20px; }
    .bkbg-ta-freq-word { width: 72px; }
}