/* ============================================
   诗中天地 - 中国古典水墨风格样式表
   ============================================ */

/* CSS 变量 */
:root {
    /* 主色调 - 水墨色系 */
    --ink-black: #1a1a2e;
    --ink-dark: #2d2d44;
    --ink-medium: #4a4a5a;
    --ink-light: #8a8a9a;
    --ink-faint: #b8b8c8;
    
    /* 纸色系 */
    --paper-white: #f5f0e8;
    --paper-cream: #ede4d3;
    --paper-aged: #d4c5a9;
    --paper-dark: #c4b594;
    
    /* 朱砂红 */
    --vermilion: #c23a2b;
    --vermilion-light: #e05545;
    --vermilion-dark: #8b1a1a;
    
    /* 青绿 */
    --celadon: #6b8e7b;
    --celadon-light: #8fb3a0;
    --jade: #4a7c6f;
    
    /* 金色 */
    --gold: #c9a96e;
    --gold-light: #dfc08a;
    --gold-dark: #a08040;
    
    /* 字体 */
    --font-display: 'Ma Shan Zheng', 'ZCOOL XiaoWei', cursive;
    --font-body: 'Noto Serif SC', 'SimSun', serif;
    --font-poem: 'Ma Shan Zheng', cursive;
    
    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(26,26,46,0.1);
    --shadow-md: 0 4px 12px rgba(26,26,46,0.15);
    --shadow-lg: 0 8px 24px rgba(26,26,46,0.2);
    --shadow-xl: 0 12px 48px rgba(26,26,46,0.25);
    
    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 全局重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--ink-black);
    background: var(--paper-white);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.8;
}

/* ============================================
   背景装饰层
   ============================================ */
.bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.ink-wash {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.ink-wash-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(107,142,123,0.15), transparent);
    top: -200px;
    right: -100px;
    animation: inkFloat 20s ease-in-out infinite;
}

.ink-wash-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(201,169,110,0.1), transparent);
    bottom: -100px;
    left: -100px;
    animation: inkFloat 25s ease-in-out infinite reverse;
}

.ink-wash-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(194,58,43,0.06), transparent);
    top: 50%;
    left: 50%;
    animation: inkFloat 30s ease-in-out infinite;
}

@keyframes inkFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -20px) scale(1.05); }
    50% { transform: translate(-20px, 30px) scale(0.95); }
    75% { transform: translate(20px, 20px) scale(1.02); }
}

.mountain-bg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 300px;
}

.floating-particle {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--gold);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% { opacity: 0; transform: translateY(100vh) rotate(0deg); }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-10vh) rotate(360deg); }
}

/* ============================================
   主容器
   ============================================ */
.app-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* ============================================
   顶部导航
   ============================================ */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background: rgba(245, 240, 232, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(196, 181, 148, 0.3);
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--ink-black);
    letter-spacing: 4px;
}

.logo-subtitle {
    font-size: 0.8rem;
    color: var(--ink-light);
    letter-spacing: 2px;
}

.header-nav {
    display: flex;
    gap: var(--space-xs);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border: none;
    background: transparent;
    color: var(--ink-medium);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    background: rgba(201, 169, 110, 0.1);
    color: var(--ink-black);
}

.nav-btn.active {
    background: rgba(201, 169, 110, 0.15);
    color: var(--gold-dark);
    font-weight: 500;
}

.nav-icon {
    font-size: 1.1rem;
}

.header-right {
    display: flex;
    align-items: center;
}

.settings-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.settings-btn:hover {
    background: rgba(201, 169, 110, 0.15);
}

/* ============================================
   页面切换
   ============================================ */
.page {
    display: none;
    animation: pageIn 0.5s ease;
}

.page.active {
    display: block;
}

@keyframes pageIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   按钮系统
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--vermilion), var(--vermilion-dark));
    color: var(--paper-white);
    box-shadow: 0 2px 8px rgba(194, 58, 43, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(194, 58, 43, 0.4);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: transparent;
    color: var(--ink-dark);
    border: 1px solid var(--paper-aged);
}

.btn-secondary:hover {
    background: rgba(201, 169, 110, 0.1);
    border-color: var(--gold);
}

.btn-ghost {
    background: transparent;
    color: var(--ink-medium);
    border: 1px solid rgba(0,0,0,0.15);
}

.btn-ghost:hover {
    color: var(--ink-black);
    background: rgba(0,0,0,0.05);
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8rem;
}

.btn-large {
    padding: var(--space-md) var(--space-2xl);
    font-size: 1rem;
    letter-spacing: 1px;
}

/* ============================================
   首页 - 英雄区
   ============================================ */
.home-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: calc(100vh - 80px);
    padding: var(--space-3xl) var(--space-2xl);
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--space-3xl);
}

.hero-text {
    flex: 1;
    max-width: 520px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4.5rem;
    color: var(--ink-black);
    letter-spacing: 12px;
    margin-bottom: var(--space-lg);
    display: flex;
    gap: var(--space-md);
}

.title-char {
    display: inline-block;
    animation: charReveal 0.8s ease forwards;
    opacity: 0;
    animation-delay: calc(var(--delay) * 0.15s);
}

@keyframes charReveal {
    from { opacity: 0; transform: translateY(30px) rotateX(30deg); }
    to { opacity: 1; transform: translateY(0) rotateX(0); }
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--ink-medium);
    line-height: 2;
    margin-bottom: var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
}

/* 卷轴装饰 */
.hero-scroll {
    flex: 0 0 320px;
    perspective: 800px;
}

.scroll-paper {
    background: linear-gradient(180deg, var(--paper-cream), var(--paper-white));
    border: 2px solid var(--paper-aged);
    border-radius: var(--radius-sm);
    padding: var(--space-xl) var(--space-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform var(--transition-slow);
}

.scroll-paper::before,
.scroll-paper::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(90deg, var(--paper-aged), var(--gold), var(--paper-aged));
    border-radius: 2px;
}

.scroll-paper::before { top: -2px; }
.scroll-paper::after { bottom: -2px; }

.scroll-content {
    text-align: center;
    padding: var(--space-md) 0;
}

.scroll-poem {
    font-family: var(--font-poem);
    font-size: 1.5rem;
    color: var(--ink-dark);
    line-height: 2.2;
    letter-spacing: 3px;
}

.scroll-author {
    font-size: 0.85rem;
    color: var(--ink-light);
    margin-top: var(--space-md);
    font-style: italic;
}

/* ============================================
   功能介绍区
   ============================================ */
.features-section {
    padding: var(--space-3xl) var(--space-2xl);
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--ink-dark);
    margin-bottom: var(--space-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
}

.title-decoration {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold));
}

.title-decoration.right {
    background: linear-gradient(90deg, var(--gold), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    background: rgba(245, 240, 232, 0.8);
    border: 1px solid rgba(196, 181, 148, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--vermilion));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.feature-card h4 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--ink-dark);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--ink-medium);
    line-height: 1.8;
}

.feature-poets {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.mini-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--paper-aged);
    object-fit: cover;
}

.poet-count {
    font-size: 0.75rem;
    color: var(--ink-light);
    margin-left: var(--space-xs);
    white-space: nowrap;
}

/* ============================================
   诗人预览轮播
   ============================================ */
.poets-preview {
    padding: var(--space-3xl) var(--space-2xl);
    max-width: 1200px;
    margin: 0 auto;
}

.poets-carousel {
    display: flex;
    gap: var(--space-lg);
    overflow-x: auto;
    padding: var(--space-md) 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.poets-carousel::-webkit-scrollbar {
    height: 4px;
}

.poets-carousel::-webkit-scrollbar-track {
    background: rgba(196, 181, 148, 0.2);
    border-radius: 2px;
}

.poets-carousel::-webkit-scrollbar-thumb {
    background: var(--gold);
    border-radius: 2px;
}

/* ============================================
   诗人卡片
   ============================================ */
.poet-card {
    flex: 0 0 200px;
    scroll-snap-align: start;
    background: rgba(245, 240, 232, 0.9);
    border: 1px solid rgba(196, 181, 148, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.poet-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold);
}

.poet-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto var(--space-md);
    overflow: hidden;
}

.poet-avatar::after {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.3);
}

.poet-card h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--ink-dark);
    margin-bottom: var(--space-xs);
}

.poet-card .poet-dynasty {
    font-size: 0.8rem;
    color: var(--ink-light);
    margin-bottom: var(--space-sm);
}

.poet-card .poet-style {
    font-size: 0.8rem;
    color: var(--celadon);
    font-style: italic;
}

/* 诗人网格（诗人页面） */
.poets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
    padding: var(--space-xl) 0;
}

.virtual-item .poet-card,
.poets-grid .poet-card {
    flex: none;
    width: 100%;
}

.poets-grid .poet-card {
    padding: var(--space-xl);
}

.poets-grid .poet-card .poet-bio {
    font-size: 0.85rem;
    color: var(--ink-medium);
    line-height: 1.7;
    margin-top: var(--space-sm);
    text-align: left;
}

.poets-grid .poet-card .poet-works {
    margin-top: var(--space-md);
    text-align: left;
}

.poets-grid .poet-card .poet-works h5 {
    font-size: 0.8rem;
    color: var(--ink-light);
    margin-bottom: var(--space-xs);
}

.poets-grid .poet-card .poet-works span {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--celadon);
    background: rgba(107, 142, 123, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin: 2px;
}

/* ============================================
   页面标题
   ============================================ */
.page-title {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--ink-dark);
    text-align: center;
    margin-bottom: var(--space-sm);
}

.page-subtitle {
    text-align: center;
    color: var(--ink-light);
    font-size: 0.95rem;
    margin-bottom: var(--space-2xl);
}

/* ============================================
   诗会模式
   ============================================ */
.meeting-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-xl);
}

.setup-section {
    margin-bottom: var(--space-xl);
}

.setup-label {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--ink-dark);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.setup-label::before {
    content: '';
    width: 3px;
    height: 18px;
    background: var(--gold);
    border-radius: 2px;
}

/* 诗词选择器 */
.poem-selector {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
}

.poem-option {
    background: rgba(245, 240, 232, 0.8);
    border: 1px solid rgba(196, 181, 148, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.poem-option:hover {
    border-color: var(--gold);
    background: rgba(245, 240, 232, 1);
}

.poem-option.selected {
    border-color: var(--vermilion);
    background: rgba(194, 58, 43, 0.05);
    box-shadow: 0 0 0 1px var(--vermilion);
}

.poem-option .poem-title-text {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: var(--ink-dark);
    margin-bottom: var(--space-xs);
}

.poem-option .poem-author-text {
    font-size: 0.8rem;
    color: var(--ink-light);
}

.poem-option .poem-preview {
    font-size: 0.8rem;
    color: var(--ink-medium);
    margin-top: var(--space-sm);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 诗人选择器 */
.poet-selector {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.poet-select-card {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(245, 240, 232, 0.8);
    border: 1px solid rgba(196, 181, 148, 0.3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.poet-select-card:hover {
    border-color: var(--gold);
}

.poet-select-card.selected {
    border-color: var(--vermilion);
    background: rgba(194, 58, 43, 0.05);
}

.poet-select-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
}

.poet-select-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--ink-dark);
}

/* 主题选项 */
.topic-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.topic-btn {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid rgba(196, 181, 148, 0.3);
    background: transparent;
    color: var(--ink-medium);
    font-family: var(--font-body);
    font-size: 0.85rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.topic-btn:hover {
    border-color: var(--gold);
    color: var(--ink-dark);
}

.topic-btn.active {
    background: var(--gold);
    color: var(--paper-white);
    border-color: var(--gold);
}

.meeting-start-btn {
    display: block;
    margin: var(--space-xl) auto 0;
    min-width: 200px;
}

/* 诗会进行中 */
.meeting-active {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 80px);
}

.meeting-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(196, 181, 148, 0.3);
}

.meeting-status {
    font-size: 0.8rem;
    color: var(--ink-light);
    white-space: nowrap;
}

.meeting-poem-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--ink-dark);
}

.meeting-scene {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid rgba(196, 181, 148, 0.2);
}

.meeting-table {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.meeting-seats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.meeting-seat {
    text-align: center;
    opacity: 0;
    animation: seatAppear 0.5s ease forwards;
}

.meeting-seat:nth-child(1) { animation-delay: 0.1s; }
.meeting-seat:nth-child(2) { animation-delay: 0.3s; }
.meeting-seat:nth-child(3) { animation-delay: 0.5s; }
.meeting-seat:nth-child(4) { animation-delay: 0.7s; }

@keyframes seatAppear {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.seat-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin: 0 auto var(--space-sm);
    overflow: hidden;
    position: relative;
}

.seat-avatar.speaking {
    transform: scale(1.15);
    box-shadow: 0 0 20px rgba(201, 169, 110, 0.5);
}

.seat-avatar.speaking::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--gold);
    animation: speakPulse 1.5s ease-in-out infinite;
}

@keyframes speakPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

.seat-name {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--ink-dark);
}

/* 对话区域 */
.meeting-chat {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.chat-message {
    display: flex;
    gap: var(--space-md);
    animation: msgIn 0.4s ease;
    max-width: 85%;
}

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

.chat-message.self {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.msg-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
}

.msg-body {
    background: rgba(245, 240, 232, 0.9);
    border: 1px solid rgba(196, 181, 148, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    position: relative;
}

.chat-message.self .msg-body {
    background: rgba(107, 142, 123, 0.1);
    border-color: rgba(107, 142, 123, 0.3);
}

.msg-name {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--ink-dark);
    margin-bottom: var(--space-xs);
}

.msg-text {
    font-size: 0.9rem;
    color: var(--ink-medium);
    line-height: 1.8;
}

.msg-text b {
    font-family: var(--font-poem);
    font-size: 1rem;
    font-weight: normal;
    color: var(--ink-dark);
    background: rgba(201, 169, 110, 0.15);
    display: inline-block;
    padding: 2px 8px;
    margin: 2px 0;
    border-left: 3px solid var(--accent-red);
    border-radius: 4px;
}

.poem-quote {
    padding: var(--space-sm) var(--space-md);
    border-left: 2px solid var(--gold);
    margin: var(--space-sm) 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.typing-indicator {
    display: inline-flex;
    gap: 4px;
    padding: 4px 0;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    background: var(--ink-light);
    border-radius: 50%;
    animation: typing 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

/* 输入区域 */
.meeting-input,
.creation-input-bar {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md) 0;
    border-top: 1px solid rgba(196, 181, 148, 0.3);
}

.chat-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid rgba(196, 181, 148, 0.4);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--ink-dark);
    background: rgba(245, 240, 232, 0.5);
    outline: none;
    transition: border-color var(--transition-fast);
}

.chat-input:focus {
    border-color: var(--gold);
}

.chat-input::placeholder {
    color: var(--ink-faint);
}

/* ============================================
   创作模式
   ============================================ */
.creation-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl);
}

.creation-poet-selector {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.creation-poet-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(245, 240, 232, 0.8);
    border: 1px solid rgba(196, 181, 148, 0.3);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 200px;
}

.creation-poet-card:hover {
    border-color: var(--gold);
}

.creation-poet-card.selected {
    border-color: var(--vermilion);
    background: rgba(194, 58, 43, 0.05);
}

.creation-poet-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
}

.creation-poet-info h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--ink-dark);
}

.creation-poet-info p {
    font-size: 0.8rem;
    color: var(--ink-light);
}

.form-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.form-btn {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid rgba(196, 181, 148, 0.3);
    background: transparent;
    color: var(--ink-medium);
    font-family: var(--font-body);
    font-size: 0.85rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-btn:hover {
    border-color: var(--gold);
}

.form-btn.active {
    background: var(--celadon);
    color: var(--paper-white);
    border-color: var(--celadon);
}

.text-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid rgba(196, 181, 148, 0.4);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--ink-dark);
    background: rgba(245, 240, 232, 0.5);
    outline: none;
    transition: border-color var(--transition-fast);
}

.text-input:focus {
    border-color: var(--gold);
}

.text-input::placeholder {
    color: var(--ink-faint);
}

/* 创作进行中 */
.creation-active {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 80px);
}

.creation-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(196, 181, 148, 0.3);
}

.creation-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--ink-dark);
}

.creation-form-tag {
    font-size: 0.8rem;
    color: var(--celadon);
    background: rgba(107, 142, 123, 0.1);
    padding: 2px 12px;
    border-radius: var(--radius-sm);
}

.creation-workspace {
    flex: 1;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    overflow: hidden;
}

/* 诗人面板 */
.creation-poet-panel {
    background: rgba(245, 240, 232, 0.8);
    border: 1px solid rgba(196, 181, 148, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.panel-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
}

.panel-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--ink-dark);
}

.panel-style {
    font-size: 0.8rem;
    color: var(--ink-light);
    text-align: center;
}

.panel-status {
    font-size: 0.8rem;
    color: var(--celadon);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.panel-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--celadon);
    border-radius: 50%;
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* 编辑器 */
.creation-editor {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    overflow: hidden;
}

/* 当前诗作卡片（整合到对话流顶部） */
.poem-card-inline {
    background: linear-gradient(180deg, var(--paper-cream), var(--paper-white));
    border: 1px solid var(--paper-aged);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
    overflow: hidden;
}

.poem-card-inline-header {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid rgba(196, 181, 148, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.poem-card-inline-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.poem-copy-btn {
    padding: 2px 8px;
    font-size: 0.75rem;
    background: transparent;
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.poem-copy-btn:hover {
    background: var(--accent-red);
    color: white;
}

.poem-end-btn {
    padding: 2px 8px;
    font-size: 0.75rem;
    background: transparent;
    color: var(--ink-dark);
    border: 1px solid var(--ink-dark);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.poem-end-btn:hover {
    background: var(--ink-dark);
    color: white;
}

.poem-card-inline-title {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--ink-dark);
    white-space: nowrap;
}

.poem-card-inline-hint {
    font-size: 0.7rem;
    color: var(--ink-faint);
    text-align: right;
}

.poem-card-inline-body {
    padding: var(--space-md);
    min-height: 60px;
    max-height: 120px;
    overflow-y: auto;
}

.poem-card-inline-body::-webkit-scrollbar {
    width: 4px;
}

.poem-card-inline-body::-webkit-scrollbar-track {
    background: transparent;
}

.poem-card-inline-body::-webkit-scrollbar-thumb {
    background: rgba(196, 181, 148, 0.4);
    border-radius: 2px;
}

.poem-card-inline-body::-webkit-scrollbar-thumb:hover {
    background: rgba(196, 181, 148, 0.6);
}

.poem-card-inline-empty {
    color: var(--ink-faint);
    font-size: 0.85rem;
    text-align: center;
    padding: var(--space-sm) 0;
    font-style: italic;
}

.poem-card-inline-content {
    font-family: var(--font-display);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--ink-dark);
    white-space: pre-line;
}

.poem-card-inline-content .poem-line {
    display: block;
    padding: 2px 0;
}

.poem-card-inline-content .poem-line-new {
    display: block;
    animation: poemLineAppear 0.5s ease forwards;
    opacity: 0;
}

@keyframes poemLineAppear {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 采纳诗句按钮 */
.adopt-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(196, 181, 148, 0.1);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-red);
    cursor: pointer;
    transition: all 0.2s ease;
}

.adopt-line:hover {
    background: rgba(196, 181, 148, 0.3);
    border-left-color: #8B0000;
}

.adopt-line-text {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--ink-dark);
}

.adopt-btn {
    padding: 2px 12px;
    font-size: 0.8rem;
    background: transparent;
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.adopt-btn:hover {
    background: var(--accent-red);
    color: white;
}

/* 诗句引用样式 */
.poem-quote {
    display: block;
    font-family: var(--font-display);
    color: var(--ink-dark);
    margin: 8px 0;
    padding: 8px 12px;
    background: rgba(196, 181, 148, 0.15);
    border-left: 3px solid var(--accent-red);
    border-radius: 4px;
}

/* 创作对话 */
.creation-dialogue {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
}

/* ============================================
   弹窗
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 46, 0.5);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--paper-white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: sticky;
    top: 0;
    float: right;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(0,0,0,0.05);
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: var(--ink-medium);
    z-index: 10;
    margin-bottom: -32px;
}

.modal-close:hover {
    background: rgba(0,0,0,0.1);
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--ink-dark);
    margin-bottom: var(--space-lg);
}

/* 诗人详情 */
.poet-detail {
    text-align: center;
}

.detail-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto var(--space-md);
    overflow: hidden;
}

.detail-name {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--ink-dark);
    margin-bottom: var(--space-xs);
}

.detail-dynasty {
    font-size: 0.9rem;
    color: var(--ink-light);
    margin-bottom: var(--space-md);
}

.detail-style {
    font-size: 0.9rem;
    color: var(--celadon);
    font-style: italic;
    margin-bottom: var(--space-lg);
}

.detail-bio {
    text-align: left;
    font-size: 0.9rem;
    color: var(--ink-medium);
    line-height: 1.9;
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: rgba(237, 228, 211, 0.5);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--gold);
}

.detail-works {
    text-align: left;
}

.detail-works h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--ink-dark);
    margin-bottom: var(--space-sm);
}

.detail-work-item {
    padding: var(--space-sm) var(--space-md);
    background: rgba(245, 240, 232, 0.8);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.detail-work-item:hover {
    background: rgba(201, 169, 110, 0.1);
}

.detail-work-item .work-title {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--ink-dark);
}

.detail-work-item .work-preview {
    font-size: 0.8rem;
    color: var(--ink-light);
    margin-top: 2px;
}

/* 设置弹窗 */
.settings-modal {
    max-width: 450px;
}

.setting-item {
    margin-bottom: var(--space-lg);
}

.setting-label {
    display: block;
    font-size: 0.9rem;
    color: var(--ink-dark);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.setting-select,
.setting-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid rgba(196, 181, 148, 0.4);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--ink-dark);
    background: rgba(245, 240, 232, 0.5);
    outline: none;
}

.setting-select:focus,
.setting-input:focus {
    border-color: var(--gold);
}

.setting-item .btn {
    margin-top: var(--space-sm);
}

.setting-actions {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(196, 181, 148, 0.3);
}

/* ============================================
   加载遮罩
   ============================================ */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(245, 240, 232, 0.95);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-brush {
    text-align: center;
}

.brush-svg {
    width: 80px;
    height: 80px;
    color: var(--gold);
}

.loading-text {
    display: block;
    margin-top: var(--space-md);
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--ink-medium);
    letter-spacing: 2px;
}

/* ============================================
   Toast 通知
   ============================================ */
.toast-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 400;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    padding: var(--space-sm) var(--space-lg);
    background: var(--ink-dark);
    color: var(--paper-white);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    box-shadow: var(--shadow-md);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    max-width: 300px;
}

.toast.success { background: var(--celadon); }
.toast.error { background: var(--vermilion); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; }
    to { opacity: 0; transform: translateY(-20px); }
}

/* ============================================
   工具类
   ============================================ */
.hidden {
    display: none !important;
}

/* ============================================
   我的创作
   ============================================ */
.my-works-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
}

.my-works-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.work-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--ink-light);
}

.work-empty-icon {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.work-empty p {
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
}

.works-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.work-card {
    background: var(--paper-cream);
    border: 1px solid var(--paper-aged);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.work-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.work-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.work-card-poet {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--ink-medium);
}

.work-card-tag {
    font-size: 0.75rem;
    padding: 1px 8px;
    background: rgba(107, 142, 123, 0.15);
    color: var(--celadon);
    border-radius: var(--radius-sm);
}

.work-delete-btn {
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    opacity: 0.3;
    transition: opacity 0.2s;
    padding: 4px 8px;
}

.work-delete-btn:hover {
    opacity: 1;
}

.work-card-topic {
    font-size: 0.85rem;
    color: var(--ink-light);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px dashed rgba(196, 181, 148, 0.3);
}

.work-card-content {
    font-family: var(--font-poem);
    font-size: 1.05rem;
    color: var(--ink-dark);
    line-height: 2;
    margin-bottom: var(--space-md);
}

.work-line {
    margin: 0;
}

.work-card-footer {
    font-size: 0.75rem;
    color: var(--ink-light);
    text-align: right;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 768px) {
    .app-header {
        flex-wrap: wrap;
        gap: var(--space-sm);
        padding: var(--space-sm) var(--space-md);
    }
    
    .header-nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .nav-btn span:last-child {
        display: none;
    }
    
    .home-hero {
        flex-direction: column;
        text-align: center;
        padding: var(--space-xl) var(--space-md);
        min-height: auto;
    }
    
    .hero-title {
        font-size: 3rem;
        justify-content: center;
    }

    .poets-grid {
        grid-template-columns: 1fr;
        padding: 0 var(--space-md);
    }

    .poets-grid .poet-card {
        padding: var(--space-md);
    }

    .poets-preview {
        padding: var(--space-xl) var(--space-md);
    }

    .poets-carousel .poet-card {
        flex: none;
        width: 100%;
        padding: var(--space-md);
    }

    .poets-carousel .poet-avatar {
        width: 56px;
        height: 56px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-scroll {
        flex: none;
        width: 100%;
        max-width: 300px;
    }
    
    .scroll-paper {
        transform: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .creation-workspace {
        grid-template-columns: 1fr;
    }
    
    .creation-poet-panel {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .panel-status {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 8px;
    }
    
    .poets-grid {
        grid-template-columns: 1fr;
    }
    
    .poem-selector {
        grid-template-columns: 1fr;
    }
}