/* ========================================
   哈利波特魔法阅读器 - 魔法主题
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --magic-gold: #d4af37;
    --magic-red: #740001;
    --magic-purple: #5c2e7e;
    --magic-dark: #1a1a2e;
    --magic-light: #f8f4e6;
    --gryffindor-red: #ae0001;
    --gryffindor-gold: #d3a625;
}

body {
    font-family: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d1b3d 50%, #1a1a2e 100%);
    min-height: 100vh;
    color: var(--magic-light);
    overflow: hidden;
}

/* 魔法星星背景 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 60% 70%, white, transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, white, transparent),
        radial-gradient(2px 2px at 90% 60%, white, transparent);
    background-size: 200% 200%;
    animation: magicStars 20s ease-in-out infinite;
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

@keyframes magicStars {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10px, 10px); }
}

.reader-container {
    max-width: 1600px;
    width: 100%;
    height: 100vh;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* ========================================
   顶部魔法横幅
   ======================================== */
.toolbar {
    height: 90px;
    background: linear-gradient(135deg, var(--gryffindor-red) 0%, var(--magic-purple) 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    border-bottom: 3px solid var(--magic-gold);
    position: relative;
}

.toolbar::after {
    content: '⚡';
    position: absolute;
    right: 40px;
    font-size: 30px;
    opacity: 0.3;
    animation: lightningGlow 2s ease-in-out infinite;
}

@keyframes lightningGlow {
    0%, 100% { opacity: 0.3; text-shadow: 0 0 10px gold; }
    50% { opacity: 0.8; text-shadow: 0 0 20px gold, 0 0 30px gold; }
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 25px;
}

.back-btn {
    color: var(--magic-gold);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.back-btn:hover {
    color: white;
    text-shadow: 0 0 10px var(--magic-gold);
}

.chapter-title {
    font-family: 'Cinzel', serif;
    font-size: 24px;
    font-weight: 700;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    letter-spacing: 1px;
}

.toolbar-right {
    display: flex;
    gap: 15px;
}

.control-btn {
    background: rgba(212, 175, 55, 0.2);
    border: 2px solid var(--magic-gold);
    color: var(--magic-gold);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.control-btn:hover {
    background: var(--magic-gold);
    color: var(--magic-dark);
    box-shadow: 0 0 15px var(--magic-gold);
    transform: translateY(-2px);
}

/* ========================================
   主内容区
   ======================================== */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
    background: rgba(26, 26, 46, 0.5);
}

/* 左侧阅读区 */
.reading-panel {
    flex: 1;
    overflow-y: auto;
    padding: 40px;
    background: 
        linear-gradient(to bottom, rgba(248, 244, 230, 0.05) 0%, transparent 100%),
        url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect fill="rgba(212,175,55,0.02)" width="100" height="100"/></svg>');
}

.paragraphs-container {
    max-width: 850px;
    margin: 0 auto;
}

.paragraph {
    margin-bottom: 35px;
    padding: 25px 30px;
    background: linear-gradient(135deg, rgba(248, 244, 230, 0.95) 0%, rgba(255, 253, 245, 0.95) 100%);
    border-radius: 12px;
    border-left: 5px solid var(--magic-gold);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.paragraph::before {
    content: '✦';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--magic-gold);
    font-size: 20px;
    opacity: 0;
    transition: opacity 0.3s;
}

.paragraph:hover {
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
    transform: translateX(5px);
    border-left-width: 8px;
}

.paragraph:hover::before {
    opacity: 1;
}

.paragraph-en {
    font-size: 17px;
    line-height: 1.9;
    color: #2d2d2d;
    margin-bottom: 12px;
    font-weight: 400;
}

.paragraph-zh {
    font-size: 15px;
    line-height: 1.7;
    color: #666;
    padding-top: 12px;
    border-top: 1px dashed rgba(212, 175, 55, 0.3);
}

/* 高亮样式 - 生词（蓝紫色魔法） */
.highlight-word {
    color: #5c2e7e;
    font-weight: 600;
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><text y="20" font-size="20">✨</text></svg>'), pointer;
    border-bottom: 2px solid #5c2e7e;
    padding-bottom: 1px;
    transition: all 0.2s;
    position: relative;
}

.highlight-word:hover {
    background: rgba(92, 46, 126, 0.1);
    color: #4a1e6e;
    text-shadow: 0 0 8px rgba(92, 46, 126, 0.3);
}

/* 高亮样式 - 短语（金红色格兰芬多） */
.highlight-phrase {
    color: #ae0001;
    font-weight: 600;
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><text y="20" font-size="20">✨</text></svg>'), pointer;
    border-bottom: 2px solid #d3a625;
    padding-bottom: 1px;
    transition: all 0.2s;
}

.highlight-phrase:hover {
    background: rgba(174, 0, 1, 0.1);
    color: #8b0000;
    text-shadow: 0 0 8px rgba(174, 0, 1, 0.3);
}

/* 高亮样式 - 句子（祖母绿斯莱特林） */
.highlight-sentence {
    color: #0d6217;
    font-weight: 600;
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><text y="20" font-size="20">✨</text></svg>'), pointer;
    border-bottom: 2px solid #1a7431;
    padding-bottom: 1px;
    transition: all 0.2s;
}

.highlight-sentence:hover {
    background: rgba(13, 98, 23, 0.1);
    color: #094d11;
    text-shadow: 0 0 8px rgba(13, 98, 23, 0.3);
}

/* 右侧学习面板 */
.vocab-panel {
    width: 420px;
    flex-shrink: 0;
    background: linear-gradient(180deg, rgba(45, 27, 61, 0.95) 0%, rgba(26, 26, 46, 0.95) 100%);
    border-left: 3px solid var(--magic-gold);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: -5px 0 20px rgba(0,0,0,0.5);
}

.panel-header {
    padding: 25px;
    background: linear-gradient(135deg, var(--magic-purple) 0%, var(--magic-dark) 100%);
    border-bottom: 2px solid var(--magic-gold);
    flex-shrink: 0;
}

.panel-header h2 {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 20px;
    color: var(--magic-gold);
    margin-bottom: 18px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    font-weight: 600;
    text-align: center;
}

.panel-tabs {
    display: flex;
    gap: 12px;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: rgba(212, 175, 55, 0.1);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    color: var(--magic-gold);
}

.tab-btn:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--magic-gold);
}

.tab-btn.active {
    background: var(--magic-gold);
    color: var(--magic-dark);
    border-color: var(--magic-gold);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 卡片样式 */
.vocab-list, .phrase-list, .sentence-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.vocab-card {
    padding: 18px;
    background: rgba(248, 244, 230, 0.95);
    border-radius: 10px;
    border-left: 4px solid #5c2e7e;
    box-shadow: 0 3px 10px rgba(0,0,0,0.3);
    transition: all 0.3s;
}

.vocab-card:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(92, 46, 126, 0.4);
}

.vocab-card.highlight-active {
    background: rgba(236, 212, 255, 0.95);
    border-left-color: #4a1e6e;
    box-shadow: 0 5px 20px rgba(92, 46, 126, 0.6);
}

.word-title {
    font-size: 20px;
    font-weight: 700;
    color: #2d2d2d;
    margin-bottom: 8px;
}

.word-phonetic {
    display: inline-block;
    font-size: 13px;
    color: #888;
    font-weight: 400;
    margin-left: 8px;
    font-style: italic;
}

.word-pos {
    font-size: 12px;
    color: #5c2e7e;
    margin-bottom: 10px;
    font-weight: 600;
}

.word-chinese {
    font-size: 16px;
    color: #333;
    margin-bottom: 6px;
    font-weight: 500;
}

.word-def {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.phrase-card {
    padding: 18px;
    background: rgba(255, 245, 240, 0.95);
    border-radius: 10px;
    border-left: 4px solid #ae0001;
    box-shadow: 0 3px 10px rgba(0,0,0,0.3);
    transition: all 0.3s;
}

.phrase-card:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(174, 0, 1, 0.4);
}

.phrase-card.highlight-active {
    background: rgba(255, 230, 230, 0.95);
    border-left-color: #8b0000;
    box-shadow: 0 5px 20px rgba(174, 0, 1, 0.6);
}

.phrase-title {
    font-size: 17px;
    font-weight: 700;
    color: #2d2d2d;
    margin-bottom: 8px;
}

.phrase-chinese {
    font-size: 16px;
    color: #333;
    margin-bottom: 6px;
}

.phrase-exp {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.sentence-card {
    padding: 18px;
    background: rgba(240, 255, 245, 0.95);
    border-radius: 10px;
    border-left: 4px solid #0d6217;
    box-shadow: 0 3px 10px rgba(0,0,0,0.3);
    transition: all 0.3s;
}

.sentence-card:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(13, 98, 23, 0.4);
}

.sentence-card.highlight-active {
    background: rgba(220, 255, 230, 0.95);
    border-left-color: #094d11;
    box-shadow: 0 5px 20px rgba(13, 98, 23, 0.6);
}

.sent-en {
    font-size: 16px;
    color: #2d2d2d;
    line-height: 1.7;
    margin-bottom: 10px;
    font-weight: 500;
}

.sent-zh {
    font-size: 15px;
    color: #333;
    margin-bottom: 8px;
}

.sent-exp {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

/* ========================================
   底部魔法音频栏
   ======================================== */
.audio-bar {
    height: 85px;
    background: linear-gradient(135deg, var(--magic-dark) 0%, var(--magic-purple) 100%);
    color: var(--magic-light);
    padding: 0 40px;
    display: flex;
    align-items: center;
    border-top: 3px solid var(--magic-gold);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
}

.audio-controls {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 25px;
}

.audio-btn {
    background: rgba(212, 175, 55, 0.2);
    border: 2px solid var(--magic-gold);
    color: var(--magic-gold);
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
    min-width: 100px;
}

.audio-btn:hover {
    background: var(--magic-gold);
    color: var(--magic-dark);
    box-shadow: 0 0 15px var(--magic-gold);
    transform: scale(1.05);
}

.audio-progress {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 18px;
}

.audio-progress span {
    font-size: 15px;
    min-width: 60px;
    font-weight: 600;
    color: var(--magic-gold);
}

.progress-slider {
    flex: 1;
    height: 8px;
    border-radius: 4px;
    outline: none;
    background: rgba(212, 175, 55, 0.2);
    cursor: pointer;
    border: 1px solid rgba(212, 175, 55, 0.5);
}

.progress-slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--magic-gold);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.8);
}

.progress-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--magic-gold);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.8);
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 80px 20px;
    font-size: 20px;
    color: var(--magic-gold);
    font-family: 'Cinzel', serif;
}

/* 魔法悬浮提示 */
.magic-tooltip {
    position: fixed;
    max-width: 350px;
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
    z-index: 9999;
    pointer-events: none;
    backdrop-filter: blur(10px);
    border: 2px solid var(--magic-gold);
    animation: tooltipFadeIn 0.2s ease;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.magic-tooltip.tooltip-word {
    background: linear-gradient(135deg, rgba(92, 46, 126, 0.95), rgba(74, 30, 110, 0.95));
    color: white;
}

.magic-tooltip.tooltip-phrase {
    background: linear-gradient(135deg, rgba(174, 0, 1, 0.95), rgba(139, 0, 0, 0.95));
    color: white;
}

.magic-tooltip.tooltip-sentence {
    background: linear-gradient(135deg, rgba(13, 98, 23, 0.95), rgba(9, 77, 17, 0.95));
    color: white;
}

.tooltip-word {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
}

.tooltip-phonetic {
    font-size: 13px;
    opacity: 0.8;
    font-style: italic;
    margin-bottom: 8px;
}

.tooltip-chinese {
    font-size: 16px;
    line-height: 1.5;
}

.tooltip-phrase {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.tooltip-zh {
    font-size: 15px;
    line-height: 1.6;
}

/* 滚动条美化 */
.reading-panel::-webkit-scrollbar,
.panel-content::-webkit-scrollbar {
    width: 10px;
}

.reading-panel::-webkit-scrollbar-track,
.panel-content::-webkit-scrollbar-track {
    background: rgba(26, 26, 46, 0.5);
}

.reading-panel::-webkit-scrollbar-thumb,
.panel-content::-webkit-scrollbar-thumb {
    background: var(--magic-gold);
    border-radius: 5px;
}

.reading-panel::-webkit-scrollbar-thumb:hover,
.panel-content::-webkit-scrollbar-thumb:hover {
    background: #b8941f;
}

/* 响应式 */
@media (max-width: 1200px) {
    .vocab-panel {
        width: 380px;
    }
}