/*
 * ============================================================================
 * BPCVN — Mini Typing Test
 * ============================================================================
 * Đồng bộ với hệ thống thiết kế Lovable Design System.
 * Sử dụng CSS Variables từ site.css để tương thích Dark/Light mode.
 * Accent: #fb7aec (Hồng brand) — dùng cho caret, chart, correct.
 * ============================================================================
 */
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;500;700&display=swap');

/* ── Container chính — nền trong suốt, kế thừa layout ────────────────── */
.mt-wrapper {
    background-color: var(--color-charcoal-03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-container);
    padding: 32px;
    position: relative; 
    overflow: hidden;
    font-family: 'Roboto Mono', 'Inter', ui-monospace, monospace;
    color: var(--color-muted);
    min-height: 320px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

/* ── Toolbar ──────────────────────────────────────────────────────────── */
.mt-toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 28px;
}

.mt-toolbar-group {
    display: flex;
    align-items: center;
    background-color: var(--color-charcoal-04);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-comfortable);
    padding: 4px;
    gap: 2px;
}

.mt-toolbar-btn {
    background: transparent;
    border: none;
    color: var(--color-muted);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: var(--radius-standard);
    cursor: pointer;
    transition: all 0.15s ease;
}

.mt-toolbar-btn:hover {
    color: var(--color-charcoal);
}

.mt-toolbar-btn.active {
    background-color: #fb7aec;
    color: #fff;
    box-shadow: 0 2px 8px rgba(251, 122, 236, 0.25);
}

.mt-toolbar-label {
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 500;
    margin-right: 4px;
    text-transform: lowercase;
}

/* ── Live Stats ───────────────────────────────────────────────────────── */
.mt-live-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 20px;
    height: 36px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mt-live-stats.visible {
    opacity: 1;
}

.mt-live-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fb7aec;
    line-height: 1;
}

/* ── Words area ───────────────────────────────────────────────────────── */
.mt-words {
    font-size: 1.5rem;
    line-height: 2;
    letter-spacing: 1px;
    cursor: text;
    user-select: none;
    position: relative;
    outline: none;
    min-height: 120px;
    overflow: hidden;
    max-height: 144px;
    transition: filter 0.3s ease;
}

.mt-words.blur {
    filter: blur(4px);
}

.mt-word {
    display: inline-block;
    margin: 0 8px 0 0;
}

/* ── Character states ─────────────────────────────────────────────────── */

/* Chưa gõ — xám mờ đồng bộ với text muted của web */
.mt-char {
    color: var(--color-muted);
    position: relative;
    transition: color 0.05s;
}

/* Gõ đúng — dùng màu charcoal (đậm, dễ đọc) */
.mt-char.correct {
    color: var(--color-charcoal);
}

/* Gõ sai — đỏ */
.mt-char.incorrect {
    color: #dc2626;
}

/* Ký tự thừa (gõ quá nhiều) */
.mt-char.extra {
    color: #991b1b;
}

/* ── Caret — hồng brand, nhấp nháy mượt ──────────────────────────────── */
.mt-caret {
    position: absolute;
    width: 2.5px;
    height: 1.9rem;
    background-color: #fb7aec;
    border-radius: 2px;
    pointer-events: none;
    z-index: 5;
    transition: left 0.08s ease, top 0.08s ease;
    animation: mt-caret-blink 1s step-end infinite;
}

@keyframes mt-caret-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.mt-caret.typing {
    animation: none;
    opacity: 1;
}

/* ── Hint ─────────────────────────────────────────────────────────────── */
.mt-hint {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-top: 16px;
    opacity: 0.7;
}

/* ── Restart ──────────────────────────────────────────────────────────── */
.mt-restart-row {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

.mt-restart-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--color-muted);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: var(--radius-standard);
    cursor: pointer;
    transition: all 0.15s ease;
}

.mt-restart-btn:hover {
    color: var(--color-charcoal);
    border-color: var(--border-interactive);
    background-color: var(--color-charcoal-04);
}

.mt-restart-btn:active {
    transform: scale(0.95);
}

.mt-restart-btn i {
    font-size: 1.1rem;
}

/* ═══════════════════════════════════════════════════════════════════════
   RESULT SCREEN
   ═══════════════════════════════════════════════════════════════════════ */

.mt-result { display: none; }
.mt-result.show { display: block; }

.mt-result-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 32px;
    align-items: start;
    margin-bottom: 24px;
}

@media (max-width: 767.98px) {
    .mt-result-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.mt-result-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 140px;
}

.mt-result-big {
    display: flex;
    flex-direction: column;
}

.mt-result-big-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: #fb7aec;
    text-transform: lowercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.mt-result-big-value {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fb7aec;
    line-height: 1;
    letter-spacing: -2px;
}

/* Accuracy dùng màu charcoal chính */
.mt-result-big.acc .mt-result-big-label,
.mt-result-big.acc .mt-result-big-value {
    color: var(--color-charcoal);
}

/* Chart container */
.mt-result-chart-container {
    background-color: var(--color-charcoal-04);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 20px;
    min-height: 200px;
}

.mt-result-chart-container canvas {
    width: 100% !important;
    max-height: 220px;
}

/* Details row */
.mt-result-details {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.mt-result-detail {
    display: flex;
    flex-direction: column;
}

.mt-result-detail-label {
    font-size: 0.65rem;
    font-weight: 500;
    color: #fb7aec;
    text-transform: lowercase;
    letter-spacing: 0.8px;
    margin-bottom: 2px;
}

.mt-result-detail-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-charcoal);
    line-height: 1;
}

.mt-result-detail-sub {
    font-size: 0.7rem;
    color: var(--color-muted);
    margin-top: 2px;
}

.mt-chars-correct { color: #16a34a; }
.mt-chars-sep { color: var(--color-muted); opacity: 0.5; }
.mt-chars-incorrect { color: #dc2626; }

.mt-result-restart {
    display: flex;
    justify-content: center;
    margin-top: 28px;
}

/* ═══════════════════════════════════════════════════════════════════════
   DARK MODE OVERRIDES
   ═══════════════════════════════════════════════════════════════════════ */

html.dark .mt-wrapper {
    background-color: rgba(240, 237, 230, 0.02);
    border-color: #2e2e33;
}

html.dark .mt-toolbar-group {
    background-color: rgba(240, 237, 230, 0.04);
    border-color: #2e2e33;
}

html.dark .mt-toolbar-btn:hover {
    color: #f0ede6;
}

html.dark .mt-toolbar-btn.active {
    background-color: #fb7aec;
    color: #1a1a1e;
}

html.dark .mt-char.correct {
    color: #f0ede6;
}

html.dark .mt-char.incorrect {
    color: #f87171;
}

html.dark .mt-char.extra {
    color: #7e2a33;
}

html.dark .mt-restart-btn {
    border-color: #2e2e33;
    color: #9a9a97;
}

html.dark .mt-restart-btn:hover {
    color: #f0ede6;
    border-color: rgba(240, 237, 230, 0.2);
    background-color: rgba(240, 237, 230, 0.04);
}

html.dark .mt-result-chart-container {
    background-color: rgba(240, 237, 230, 0.03);
    border-color: #2e2e33;
}

html.dark .mt-result-details {
    border-top-color: #2e2e33;
}

html.dark .mt-chars-correct { color: #4ade80; }
html.dark .mt-chars-incorrect { color: #f87171; }