/* ============================================================
   Stopwatch — bkbg-sw-*
   ============================================================ */

.bkbg-sw-wrap {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    padding: 32px 24px;
    border-radius: 16px;
    max-width: var(--sw-max-width, 560px);
    margin: 0 auto;
    text-align: center;
}

/* ---- Header ---- */
.bkbg-sw-wrap h3.bkbg-sw-title {
    font-family:     var(--bksw-tt-font-family, inherit);
    font-size:       var(--bksw-tt-font-size-d, 26px);
    font-weight:     var(--bksw-tt-font-weight, 700);
    font-style:      var(--bksw-tt-font-style, normal);
    text-decoration: var(--bksw-tt-text-decoration, none);
    text-transform:  var(--bksw-tt-text-transform, none);
    line-height:     var(--bksw-tt-line-height-d, 1.25);
    letter-spacing:  var(--bksw-tt-letter-spacing-d, normal);
    word-spacing:    var(--bksw-tt-word-spacing-d, normal);
    color: var(--sw-title-color, #111827);
    margin: 0 0 5px;
}

.bkbg-sw-subtitle {
    font-family:     var(--bksw-st-font-family, inherit);
    font-size:       var(--bksw-st-font-size-d, 14px);
    font-weight:     var(--bksw-st-font-weight, 400);
    font-style:      var(--bksw-st-font-style, normal);
    text-decoration: var(--bksw-st-text-decoration, none);
    text-transform:  var(--bksw-st-text-transform, none);
    line-height:     var(--bksw-st-line-height-d, 1.5);
    letter-spacing:  var(--bksw-st-letter-spacing-d, normal);
    word-spacing:    var(--bksw-st-word-spacing-d, normal);
    color: var(--sw-subtitle-color, #6b7280);
    margin: 0 0 4px;
}

/* ---- Clock display ---- */
.bkbg-sw-clock {
    background: var(--sw-clock-bg, #1e1b4b);
    border-radius: 20px;
    padding: 28px 20px;
    margin: 18px auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: var(--sw-clock-size, 64px);
    font-weight: 700;
    color: var(--sw-clock-color, #e0e7ff);
    letter-spacing: .07em;
    line-height: 1;
    user-select: none;
}

.bkbg-sw-clock .sw-ms {
    font-size: .48em;
    opacity: .8;
}

/* ---- Buttons ---- */
.bkbg-sw-btns {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.bkbg-sw-btn {
    padding: 11px 24px;
    border-radius: 10px;
    border: none;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: opacity .15s, transform .1s;
}

.bkbg-sw-btn:hover  { opacity: .88; }
.bkbg-sw-btn:active { transform: scale(.96); }

.bkbg-sw-btn:disabled {
    opacity: .35;
    cursor: not-allowed;
    transform: none;
}

/* ---- Lap table ---- */
.bkbg-sw-laps {
    border-radius: 12px;
    overflow: hidden;
    border: 1.5px solid #e5e7eb;
    text-align: left;
    background: var(--sw-card-bg, #fff);
    max-height: 320px;
    overflow-y: auto;
}

.bkbg-sw-laps-head {
    display: flex;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--sw-label-color, #374151);
    background: #f9fafb;
    padding: 8px 14px;
    gap: 10px;
    position: sticky;
    top: 0;
}

.bkbg-sw-laps-empty {
    padding: 20px;
    text-align: center;
    font-size: 13px;
    color: var(--sw-label-color, #374151);
    opacity: .5;
}

.bkbg-sw-lap-row {
    display: flex;
    padding: 9px 14px;
    gap: 10px;
    font-size: 13px;
    color: var(--sw-label-color, #374151);
    border-top: 1px solid #f3f4f6;
    font-family: 'Courier New', Courier, monospace;
    transition: background .12s;
}

.bkbg-sw-lap-row:hover { background: #f9fafb; }

.bkbg-sw-lap-num {
    width: 32px;
    font-weight: 700;
    color: var(--sw-accent, #6366f1);
}

.bkbg-sw-lap-split { flex: 1; }

.bkbg-sw-lap-total {
    flex: 1;
    text-align: right;
    color: var(--sw-accent, #6366f1);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .bkbg-sw-wrap h3.bkbg-sw-title { font-size: var(--bksw-tt-font-size-t, var(--bksw-tt-font-size-d, 26px)); line-height: var(--bksw-tt-line-height-t, var(--bksw-tt-line-height-d, 1.25)); letter-spacing: var(--bksw-tt-letter-spacing-t, var(--bksw-tt-letter-spacing-d, normal)); word-spacing: var(--bksw-tt-word-spacing-t, var(--bksw-tt-word-spacing-d, normal)); }
    .bkbg-sw-subtitle { font-size: var(--bksw-st-font-size-t, var(--bksw-st-font-size-d, 14px)); line-height: var(--bksw-st-line-height-t, var(--bksw-st-line-height-d, 1.5)); letter-spacing: var(--bksw-st-letter-spacing-t, var(--bksw-st-letter-spacing-d, normal)); word-spacing: var(--bksw-st-word-spacing-t, var(--bksw-st-word-spacing-d, normal)); }
}
@media (max-width: 767px) {
    .bkbg-sw-wrap h3.bkbg-sw-title { font-size: var(--bksw-tt-font-size-m, var(--bksw-tt-font-size-t, var(--bksw-tt-font-size-d, 26px))); line-height: var(--bksw-tt-line-height-m, var(--bksw-tt-line-height-t, var(--bksw-tt-line-height-d, 1.25))); letter-spacing: var(--bksw-tt-letter-spacing-m, var(--bksw-tt-letter-spacing-t, var(--bksw-tt-letter-spacing-d, normal))); word-spacing: var(--bksw-tt-word-spacing-m, var(--bksw-tt-word-spacing-t, var(--bksw-tt-word-spacing-d, normal))); }
    .bkbg-sw-subtitle { font-size: var(--bksw-st-font-size-m, var(--bksw-st-font-size-t, var(--bksw-st-font-size-d, 14px))); line-height: var(--bksw-st-line-height-m, var(--bksw-st-line-height-t, var(--bksw-st-line-height-d, 1.5))); letter-spacing: var(--bksw-st-letter-spacing-m, var(--bksw-st-letter-spacing-t, var(--bksw-st-letter-spacing-d, normal))); word-spacing: var(--bksw-st-word-spacing-m, var(--bksw-st-word-spacing-t, var(--bksw-st-word-spacing-d, normal))); }
}
@media (max-width: 480px) {
    .bkbg-sw-wrap  { padding: 20px 12px; }
    .bkbg-sw-clock { font-size: 48px; padding: 20px 14px; }
    .bkbg-sw-btn   { padding: 9px 16px; font-size: 13px; }
}