/* Tiến độ của tôi & Luyện lại */
.pg-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.pg-stat { padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.pg-stat span { display: block; color: var(--muted); font-size: .82em; }
.pg-stat b { display: block; margin-top: 2px; font-size: 1.55em; font-variant-numeric: tabular-nums; }
.pg-stat small { color: var(--muted); font-size: .78em; }
.pg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
@media (max-width: 900px) { .pg-grid { grid-template-columns: 1fr; } }
.pg-sub { margin: -6px 0 12px; color: var(--muted); font-size: .82em; }
.pg-chart { position: relative; }
.pg-chart svg { display: block; width: 100%; height: auto; overflow: visible; touch-action: none; }
.pg-chart .axis { fill: var(--muted); font-size: 11px; }
.pg-chart .grid { stroke: var(--border); stroke-width: 1; }
.pg-chart .mark { fill: var(--primary); }
.pg-chart .line { fill: none; stroke: var(--primary); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.pg-chart .wash { fill: var(--primary); opacity: .1; }
.pg-chart .dot { fill: var(--primary); stroke: var(--surface); stroke-width: 2; }
.pg-chart .cross { stroke: var(--muted); stroke-width: 1; }
.pg-chart .bar:hover, .pg-chart .bar.hover { opacity: .75; }
.pg-chart .end-label { fill: var(--text); font-size: 12px; font-weight: 700; }
.pg-tip { position: absolute; z-index: 5; pointer-events: none; padding: 6px 10px; border-radius: 8px; white-space: nowrap;
          background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); font-size: .82em; }
.pg-tip b { display: block; font-size: 1.15em; }
.pg-tip span { color: var(--muted); }
.pg-chart details { margin-top: 8px; font-size: .82em; color: var(--muted); }
.pg-chart table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.pg-chart td, .pg-chart th { padding: 3px 6px; border-bottom: 1px solid var(--border); text-align: left; }
.pg-empty { padding: 28px 0; text-align: center; color: var(--muted); font-size: .9em; }
.pg-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border); }
.pg-row:last-child { border-bottom: 0; }
.pg-row p { flex: 1; margin: 0; min-width: 0; }
.pg-row small { display: block; color: var(--muted); }
.score-pill { flex-shrink: 0; min-width: 48px; padding: 3px 8px; border-radius: 999px; text-align: center; font-weight: 700;
              font-size: .82em; font-variant-numeric: tabular-nums; }
.score-pill.low { background: var(--danger-soft); color: var(--danger-text); }
.score-pill.mid { background: var(--warn-soft); color: var(--warn-text); }
.score-pill.high { background: var(--success-soft); color: var(--success-text); }
.pg-goal { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 12px; }
.pg-goal label { width: 100%; font-size: .85em; font-weight: 600; }
.pg-goal input { width: 90px; }
.rt-item { padding: 14px 16px; margin-bottom: 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.rt-text { margin: 0 0 4px; font-size: 1.12em; font-weight: 600; }
.rt-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--muted); font-size: .82em; }
.rt-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.rt-actions .recording { background: var(--danger); border-color: var(--danger); color: #fff; }
.rt-result { margin-top: 10px; font-size: .92em; }
.rt-result .w-correct { color: var(--success-text); }
.rt-result .w-wrong { color: var(--danger-text); text-decoration: underline wavy; }
.rt-result .w-missing { color: var(--muted); text-decoration: line-through; }