/* === 書法家介紹頁樣式 v2 === */

/* --- 時代軸 --- */
.dynasty-timeline {
    margin-bottom: 2rem;
    padding: 0 1rem;
    overflow-x: auto;
}

.timeline-track {
    display: flex;
    align-items: flex-start;
    min-width: max-content;
    padding: 0.5rem 0;
}

.timeline-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    min-width: 100px;
    flex: 1;
}

.timeline-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--primary-light);
    z-index: 2;
    flex-shrink: 0;
}

.timeline-line {
    position: absolute;
    top: 7px;
    left: 50%;
    right: -50%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    z-index: 1;
}

.timeline-node.last .timeline-line {
    display: none;
}

.timeline-label {
    text-align: center;
    margin-top: 0.5rem;
}

.timeline-dynasty {
    display: block;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--primary-dark);
}

.timeline-names {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.15rem;
}

/* --- 書法家介紹（編輯式版面：大圖 + 文字，單雙數交錯左右） --- */
.cal-profiles {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-bottom: 2rem;
}

.cal-profile {
    display: flex;
    gap: 2.5rem;
    align-items: flex-start;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-light);
}

.cal-profile:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.cal-profile.reverse {
    flex-direction: row-reverse;
}

/* --- 視覺區：大圖 + 縮圖列 --- */
.cal-profile-visual {
    flex: 0 0 320px;
}

.cal-profile-hero {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
}

.cal-profile-hero:hover {
    box-shadow: var(--shadow-hover);
}

.cal-profile-thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.6rem;
}

.cal-sample-img {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-light);
    background: #f9f9f9;
    cursor: pointer;
    transition: var(--transition);
}

.cal-sample-img:hover {
    border-color: var(--cal-accent, var(--primary));
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* --- 文字區 --- */
.cal-profile-text {
    flex: 1;
    min-width: 0;
    border-top: 3px solid var(--cal-accent, var(--primary));
    padding-top: 1rem;
}

.cal-profile-eyebrow {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cal-accent, var(--primary));
    letter-spacing: 0.03em;
    margin-bottom: 0.3rem;
}

.cal-profile-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    font-family: "Noto Serif TC", serif;
    margin-bottom: 0.7rem;
}

/* 風格標籤 */
.cal-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.cal-trait {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.78rem;
    font-weight: 500;
    background: var(--bg-light);
    color: var(--text);
    border: 1px solid var(--border-light);
}

/* 傳記文字 */
.cal-description {
    color: var(--text-light);
    margin-bottom: 0.9rem;
    line-height: 1.75;
    font-size: 0.94rem;
}

/* 代表作/影響/字帖/收錄 */
.cal-facts {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.4rem 0.9rem;
    margin: 0 0 0.9rem;
    font-size: 0.88rem;
}

.cal-facts dt {
    flex-shrink: 0;
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 0.82rem;
    background: var(--bg-light);
    padding: 0.1rem 0.5rem;
    border-radius: 4px;
    height: fit-content;
}

.cal-facts dd {
    margin: 0;
    line-height: 1.6;
    color: var(--text);
}

/* --- FFT 風格指紋（收合在 details 裡，技術細節不搶版面） --- */
.cal-fft-section {
    margin: 0.75rem 0;
    padding: 0.75rem;
    background: var(--bg-light);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.cal-fft-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    list-style: none;
}

.cal-fft-title::-webkit-details-marker { display: none; }
.cal-fft-title::before { content: '▸ '; }
.cal-fft-section[open] .cal-fft-title::before { content: '▾ '; }

.cal-fft-bars {
    margin-top: 0.6rem;
}

.cal-fft-bars {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.fft-bar-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.fft-bar-label {
    font-size: 0.72rem;
    color: var(--text-light);
    width: 70px;
    flex-shrink: 0;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fft-bar-track {
    flex: 1;
    height: 10px;
    background: var(--border-light);
    border-radius: 5px;
    overflow: hidden;
}

.fft-bar-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 0.6s ease;
    min-width: 2px;
}

.fft-bar-val {
    font-size: 0.7rem;
    color: var(--text-muted);
    width: 32px;
    flex-shrink: 0;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* --- 範例圖片 --- */
.cal-samples-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.cal-samples {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 0.35rem;
}

/* --- 操作按鈕 --- */
.cal-action-btn {
    display: inline-block;
    padding: 0.45rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--cal-accent, var(--primary));
    background: transparent;
    border: 1.5px solid var(--cal-accent, var(--primary));
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
}

.cal-action-btn:hover {
    background: var(--cal-accent, var(--primary));
    color: #fff;
}

/* --- 響應式 --- */
@media (max-width: 900px) {
    .cal-profile,
    .cal-profile.reverse {
        flex-direction: column;
    }

    .cal-profile-visual {
        flex: none;
        width: 100%;
        max-width: 280px;
    }

    .fft-bar-label {
        width: 60px;
        font-size: 0.68rem;
    }
}

@media (max-width: 600px) {
    .timeline-track {
        gap: 0;
    }

    .timeline-node {
        min-width: 80px;
    }

    .fft-bar-label {
        width: 50px;
    }
}

@media (max-width: 480px) {
    .cal-profile-name {
        font-size: 1.4rem;
    }

    .timeline-node {
        min-width: 70px;
    }

    .timeline-dynasty {
        font-size: 0.82rem;
    }

    .timeline-names {
        font-size: 0.7rem;
    }
}