/* ==========================================
   诗词页样式
   ========================================== */

.poem-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.poem-counter {
    font-size: 16px;
    color: var(--color-gold-soft);
    letter-spacing: 2px;
}

.poem-counter strong {
    font-family: var(--font-title);
    font-size: 28px;
    color: var(--color-gold);
    margin: 0 4px;
}

.poem-display {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: linear-gradient(135deg,
        rgba(255, 215, 0, 0.04) 0%,
        rgba(200, 16, 46, 0.04) 100%);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 20px;
    padding: 60px 44px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    min-height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.poem-meta {
    font-size: 12px;
    color: var(--color-gold-soft);
    opacity: 0.7;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.poem-author {
    font-family: var(--font-poem);
    font-size: 22px;
    color: var(--color-gold-soft);
    letter-spacing: 6px;
    margin-bottom: 6px;
}

.poem-title {
    font-family: var(--font-title);
    font-size: 28px;
    color: var(--color-gold);
    letter-spacing: 4px;
    margin-bottom: 36px;
    text-shadow: 0 0 12px rgba(255, 215, 0, 0.3);
}

.poem-body {
    font-family: var(--font-poem);
    font-size: 21px;
    line-height: 2.4;
    color: var(--color-cream);
    letter-spacing: 4px;
    min-height: 240px;
    margin-bottom: 36px;
}

.poem-line {
    display: block;
    margin-bottom: 8px;
}

.poem-char {
    display: inline-block;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s;
}

.poem-char.show {
    opacity: 1;
    transform: translateY(0);
}

.poem-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.poem-btn {
    padding: 10px 22px;
    background: transparent;
    border: 1px solid rgba(255, 215, 0, 0.4);
    color: var(--color-gold);
    border-radius: 28px;
    font-family: var(--font-body);
    font-size: 14px;
    cursor: pointer;
    letter-spacing: 2px;
    transition: all 0.3s;
}

.poem-btn:hover {
    background: rgba(255, 215, 0, 0.15);
    border-color: var(--color-gold);
    transform: translateY(-2px);
}

.poem-btn-speak {
    background: rgba(255, 215, 0, 0.15);
    border-color: var(--color-gold);
}

.poem-btn-speak.speaking {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-orange) 100%);
    color: var(--color-night-deep);
    border-color: var(--color-gold);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
    animation: speakPulse 1.2s ease-in-out infinite;
}

.poem-btn-auto {
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.18) 0%, rgba(255, 215, 0, 0.12) 100%);
    border-color: rgba(255, 215, 0, 0.45);
}

.poem-btn-auto.auto-active {
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-orange) 100%);
    color: var(--color-cream);
    border-color: var(--color-red);
    box-shadow: 0 0 18px rgba(200, 16, 46, 0.45);
    animation: autoReadPulse 1.6s ease-in-out infinite;
}

@keyframes autoReadPulse {
    0%, 100% { transform: translateY(0); box-shadow: 0 0 18px rgba(200, 16, 46, 0.45); }
    50% { transform: translateY(-2px); box-shadow: 0 0 24px rgba(200, 16, 46, 0.7); }
}

@keyframes speakPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(255, 215, 0, 0.4); }
    50% { box-shadow: 0 0 32px rgba(255, 215, 0, 0.8); }
}

/* 诗词列表 */
.poems-section {
    margin-top: 100px;
}

.poems-section h2 {
    margin-bottom: 16px;
}

/* ---------- 朝代时间轴 ---------- */
.dynasty-timeline {
    display: flex;
    align-items: stretch;
    gap: 12px;
    padding: 18px 16px;
    margin-bottom: 24px;
    background: linear-gradient(135deg,
        rgba(255, 215, 0, 0.05) 0%,
        rgba(200, 16, 46, 0.04) 100%);
    border: 1px dashed rgba(255, 215, 0, 0.25);
    border-radius: 14px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 215, 0, 0.3) transparent;
}

.dynasty-timeline::-webkit-scrollbar { height: 6px; }
.dynasty-timeline::-webkit-scrollbar-track { background: transparent; }
.dynasty-timeline::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.3);
    border-radius: 3px;
}

.dynasty-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    right: 24px;
    top: 50%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 215, 0, 0.3) 10%,
        rgba(255, 215, 0, 0.3) 90%,
        transparent 100%);
    pointer-events: none;
    z-index: 0;
}

.dynasty-chip {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 12px 18px;
    min-width: 88px;
    background: rgba(10, 5, 24, 0.4);
    border: 1px solid rgba(255, 215, 0, 0.25);
    border-radius: 12px;
    color: var(--color-cream);
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    z-index: 1;
}

.dynasty-chip:hover {
    background: rgba(255, 215, 0, 0.12);
    border-color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 215, 0, 0.15);
}

.dynasty-chip.active {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-orange) 100%);
    border-color: var(--color-gold);
    color: var(--color-night-deep);
    box-shadow: 0 8px 22px rgba(255, 215, 0, 0.4);
    transform: translateY(-2px);
}

.chip-icon { font-size: 22px; line-height: 1; }
.chip-name {
    font-family: var(--font-calligraphy);
    font-size: 16px;
    letter-spacing: 2px;
}
.chip-count {
    font-family: var(--font-title);
    font-size: 11px;
    letter-spacing: 1px;
    padding: 1px 7px;
    border-radius: 8px;
    background: rgba(255, 215, 0, 0.18);
    color: inherit;
    opacity: 0.85;
}

.dynasty-chip.active .chip-count {
    background: rgba(10, 5, 24, 0.25);
    color: var(--color-night-deep);
}

.chip-year {
    font-size: 10px;
    letter-spacing: 1px;
    opacity: 0.6;
    font-family: var(--font-body);
}

.poem-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.poem-list-item {
    background: linear-gradient(135deg,
        rgba(255, 215, 0, 0.04) 0%,
        rgba(200, 16, 46, 0.04) 100%);
    border: 1px solid rgba(255, 215, 0, 0.15);
    border-radius: 12px;
    padding: 18px 20px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
}

.poem-list-item:hover {
    border-color: var(--color-gold);
    background: linear-gradient(135deg,
        rgba(255, 215, 0, 0.1) 0%,
        rgba(200, 16, 46, 0.06) 100%);
    transform: translateY(-2px);
}

.poem-list-item .item-meta {
    font-size: 11px;
    color: var(--color-gold-soft);
    opacity: 0.7;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.poem-list-item .item-title {
    font-family: var(--font-title);
    font-size: 16px;
    color: var(--color-gold);
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.poem-list-item .item-author {
    font-size: 12px;
    color: var(--color-cream);
    opacity: 0.7;
}

@media (max-width: 968px) {
    .poem-list { grid-template-columns: repeat(2, 1fr); }
    .poem-display { padding: 40px 24px; min-height: 380px; }
    .poem-body { font-size: 18px; }
}

@media (max-width: 568px) {
    .poem-list { grid-template-columns: 1fr; }
    .poem-display { padding: 32px 20px; }
    .poem-body { font-size: 16px; letter-spacing: 2px; line-height: 2.2; }
    .poem-title { font-size: 22px; }
    .poem-btn { padding: 8px 14px; font-size: 13px; }
    .dynasty-timeline { padding: 14px 12px; gap: 8px; }
    .dynasty-chip { padding: 10px 14px; min-width: 76px; }
    .chip-name { font-size: 14px; }
    .chip-icon { font-size: 18px; }
}

/* ==========================================
   收藏 + 筛选
   ========================================== */
.poem-btn-fav {
    background: rgba(255, 215, 0, 0.05);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.poem-btn-fav:hover {
    background: rgba(255, 215, 0, 0.15);
}

.poem-btn-fav.faved {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.25), rgba(200, 16, 46, 0.15));
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.poems-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 12px;
}

.poems-section-header h2 {
    margin: 0;
}

.poem-filter-btn {
    background: rgba(255, 215, 0, 0.05);
    border: 1px solid rgba(255, 215, 0, 0.3);
    color: var(--color-cream);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.poem-filter-btn:hover,
.poem-filter-btn.active {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(200, 16, 46, 0.15));
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.poem-list-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--color-cream);
    opacity: 0.7;
    font-size: 15px;
    letter-spacing: 2px;
    border: 1px dashed rgba(255, 215, 0, 0.2);
    border-radius: 12px;
}

.item-fav {
    position: absolute;
    top: 8px;
    right: 10px;
    font-size: 14px;
    color: var(--color-gold);
}

.poem-list-item { position: relative; }

/* ==========================================
   全屏赏析模式
   ========================================== */
.poem-btn-fullscreen {
    background: rgba(200, 16, 46, 0.12);
    border-color: rgba(200, 16, 46, 0.4);
    color: var(--color-gold-soft);
}

.poem-btn-fullscreen:hover {
    background: rgba(200, 16, 46, 0.22);
    border-color: var(--color-red);
}

.poem-fs-mask {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    overflow: hidden;
}

.poem-fs-mask.show {
    opacity: 1;
    pointer-events: auto;
}

.poem-fs-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top,
        rgba(45, 27, 78, 0.96) 0%,
        rgba(10, 14, 39, 0.98) 50%,
        #050816 100%);
    z-index: 0;
}

.poem-fs-bg::before,
.poem-fs-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.poem-fs-bg::before {
    width: 280px;
    height: 280px;
    top: 8%;
    right: 8%;
    background: radial-gradient(circle,
        rgba(255, 215, 0, 0.18) 0%,
        rgba(255, 215, 0, 0.04) 40%,
        transparent 70%);
    filter: blur(20px);
    animation: fsMoonGlow 6s ease-in-out infinite;
}

.poem-fs-bg::after {
    width: 180px;
    height: 180px;
    bottom: 12%;
    left: 6%;
    background: radial-gradient(circle,
        rgba(200, 16, 46, 0.12) 0%,
        transparent 60%);
    filter: blur(30px);
    animation: fsMoonGlow 8s ease-in-out infinite reverse;
}

@keyframes fsMoonGlow {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.15); opacity: 1; }
}

.poem-fs-stage {
    position: relative;
    z-index: 1;
    max-width: 920px;
    width: 100%;
    text-align: center;
    padding: 20px 16px;
}

.poem-fs-counter {
    font-family: var(--font-title);
    font-size: 13px;
    color: var(--color-gold-soft);
    letter-spacing: 3px;
    margin-bottom: 24px;
    opacity: 0.6;
}

.poem-fs-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    background: rgba(255, 215, 0, 0.08);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 50%;
    color: var(--color-gold);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.25s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
    z-index: 2;
}

.poem-fs-close:hover {
    background: rgba(255, 215, 0, 0.18);
    transform: rotate(90deg);
}

.poem-fs-meta {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--color-gold-soft);
    letter-spacing: 3px;
    opacity: 0.7;
    flex-wrap: wrap;
}

.poem-fs-dynasty {
    padding: 2px 12px;
    background: rgba(255, 215, 0, 0.08);
    border: 1px solid rgba(255, 215, 0, 0.25);
    border-radius: 12px;
}

.poem-fs-author {
    color: var(--color-cream);
    opacity: 0.85;
}

.poem-fs-title {
    font-family: var(--font-title);
    font-size: clamp(28px, 5vw, 44px);
    color: var(--color-gold);
    letter-spacing: 6px;
    margin-bottom: 40px;
    text-shadow: 0 0 24px rgba(255, 215, 0, 0.4);
    font-weight: 400;
}

.poem-fs-body {
    font-family: var(--font-poem);
    font-size: clamp(22px, 3.6vw, 32px);
    line-height: 2.2;
    color: var(--color-cream);
    letter-spacing: 6px;
    min-height: 280px;
    margin-bottom: 40px;
    text-align: center;
    transition: opacity 0.25s ease;
}

.poem-fs-body .poem-line {
    display: block;
    margin-bottom: 12px;
}

.poem-fs-body .poem-fs-char {
    display: inline-block;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.4s, transform 0.4s, text-shadow 0.4s;
}

.poem-fs-body .poem-fs-char.show {
    opacity: 1;
    transform: translateY(0);
    text-shadow: 0 0 12px rgba(255, 215, 0, 0.35);
}

.poem-fs-body .poem-fs-char.space {
    margin-right: 0.4em;
}

.poem-fs-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.poem-fs-btn {
    padding: 12px 24px;
    background: transparent;
    border: 1px solid rgba(255, 215, 0, 0.4);
    color: var(--color-gold-soft);
    border-radius: 28px;
    font-family: var(--font-body);
    font-size: 15px;
    cursor: pointer;
    letter-spacing: 3px;
    transition: all 0.25s;
}

.poem-fs-btn:hover {
    background: rgba(255, 215, 0, 0.12);
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.poem-fs-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.poem-fs-hint {
    font-size: 12px;
    color: var(--color-gold-soft);
    letter-spacing: 2px;
    opacity: 0.5;
}

@media (max-width: 568px) {
    .poem-fs-mask { padding: 20px 14px; }
    .poem-fs-title { letter-spacing: 4px; margin-bottom: 24px; }
    .poem-fs-body { letter-spacing: 3px; min-height: 200px; }
    .poem-fs-controls { gap: 10px; }
    .poem-fs-btn { padding: 9px 16px; font-size: 13px; }
    .poem-fs-close { width: 36px; height: 36px; top: 8px; right: 8px; }
}

/* ==========================================
   晨曦主题覆盖
   ========================================== */
html[data-theme="light"] .dynasty-timeline {
    background: rgba(255, 250, 240, 0.7);
    border-color: rgba(200, 16, 46, 0.2);
}

html[data-theme="light"] .dynasty-timeline::before {
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(200, 16, 46, 0.25) 10%,
        rgba(200, 16, 46, 0.25) 90%,
        transparent 100%);
}

html[data-theme="light"] .dynasty-chip {
    background: rgba(255, 250, 240, 0.9);
    border-color: rgba(200, 16, 46, 0.25);
    color: var(--color-text);
}

html[data-theme="light"] .dynasty-chip:hover {
    background: rgba(200, 16, 46, 0.1);
    border-color: var(--color-red);
}

html[data-theme="light"] .dynasty-chip.active {
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-orange) 100%);
    color: var(--color-cream);
    border-color: var(--color-red);
    box-shadow: 0 8px 22px rgba(200, 16, 46, 0.3);
}

html[data-theme="light"] .chip-year {
    color: var(--color-text);
    opacity: 0.65;
}

html[data-theme="light"] .dynasty-chip.active .chip-count {
    background: rgba(255, 250, 240, 0.25);
    color: var(--color-cream);
}

html[data-theme="light"] .poem-display {
    background: rgba(255, 250, 240, 0.85);
    border-color: rgba(200, 16, 46, 0.25);
}

html[data-theme="light"] .poem-title {
    color: var(--color-red-deep);
}

html[data-theme="light"] .poem-author,
html[data-theme="light"] .poem-meta {
    color: var(--color-text);
}

html[data-theme="light"] .poem-body {
    color: var(--color-text);
}

html[data-theme="light"] .poem-char {
    color: var(--color-text);
}

html[data-theme="light"] .poem-char.show {
    color: var(--color-red-deep);
    text-shadow: 0 0 8px rgba(200, 16, 46, 0.3);
}

html[data-theme="light"] .poem-btn {
    background: rgba(200, 16, 46, 0.06);
    border-color: rgba(200, 16, 46, 0.3);
    color: var(--color-text);
}

html[data-theme="light"] .poem-btn:hover {
    background: rgba(200, 16, 46, 0.15);
    border-color: var(--color-red);
}

html[data-theme="light"] .poem-list-item {
    background: rgba(255, 250, 240, 0.85);
    border-color: rgba(200, 16, 46, 0.2);
}

html[data-theme="light"] .poem-list-item:hover {
    background: rgba(255, 215, 0, 0.15);
    border-color: var(--color-red);
}

html[data-theme="light"] .poem-list-item .item-title {
    color: var(--color-red-deep);
}

html[data-theme="light"] .poem-list-item .item-meta,
html[data-theme="light"] .poem-list-item .item-author {
    color: var(--color-text);
    opacity: 0.8;
}

html[data-theme="light"] .poem-list-empty {
    color: var(--color-text);
    opacity: 0.7;
}

/* 全屏模式 - 晨曦覆盖 */
html[data-theme="light"] .poem-fs-bg {
    background: radial-gradient(ellipse at top,
        rgba(255, 245, 230, 0.98) 0%,
        rgba(255, 217, 179, 0.98) 60%,
        #f5d5a8 100%);
}

html[data-theme="light"] .poem-fs-bg::before {
    background: radial-gradient(circle,
        rgba(200, 16, 46, 0.18) 0%,
        rgba(255, 215, 0, 0.08) 40%,
        transparent 70%);
}

html[data-theme="light"] .poem-fs-title {
    color: var(--color-red-deep);
    text-shadow: 0 0 18px rgba(200, 16, 46, 0.25);
}

html[data-theme="light"] .poem-fs-body {
    color: var(--color-text);
}

html[data-theme="light"] .poem-fs-body .poem-fs-char.show {
    text-shadow: 0 0 10px rgba(200, 16, 46, 0.25);
}

html[data-theme="light"] .poem-fs-meta,
html[data-theme="light"] .poem-fs-counter {
    color: var(--color-text);
    opacity: 0.7;
}

html[data-theme="light"] .poem-fs-dynasty {
    background: rgba(200, 16, 46, 0.08);
    border-color: rgba(200, 16, 46, 0.3);
    color: var(--color-text);
}

html[data-theme="light"] .poem-fs-author {
    color: var(--color-text);
}

html[data-theme="light"] .poem-fs-btn {
    border-color: rgba(200, 16, 46, 0.4);
    color: var(--color-text);
}

html[data-theme="light"] .poem-fs-btn:hover {
    background: rgba(200, 16, 46, 0.1);
    border-color: var(--color-red);
    color: var(--color-red);
}

html[data-theme="light"] .poem-fs-close {
    background: rgba(200, 16, 46, 0.08);
    border-color: rgba(200, 16, 46, 0.3);
    color: var(--color-red);
}

html[data-theme="light"] .poem-fs-close:hover {
    background: rgba(200, 16, 46, 0.15);
}

html[data-theme="light"] .poem-btn-fullscreen {
    background: rgba(200, 16, 46, 0.08);
    border-color: rgba(200, 16, 46, 0.3);
    color: var(--color-text);
}

html[data-theme="light"] .poem-btn-fullscreen:hover {
    background: rgba(200, 16, 46, 0.15);
    color: var(--color-red);
}