* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

/* 主题切换 */
:root {
    --bg-primary: #0f0f0f;
    --bg-gradient-1: rgba(40, 40, 40, 0.4);
    --bg-gradient-2: rgba(20, 20, 20, 0.6);
    --bg-texture: rgba(255, 255, 255, 0.03);
    --card-bg: rgba(25, 25, 25, 0.9);
    --card-border: rgba(255, 255, 255, 0.05);
    --input-bg: rgba(30, 30, 30, 0.8);
    --input-border: rgba(255, 255, 255, 0.1);
    --content-bg: rgba(35, 35, 35, 0.7);
    --primary-color: #9d50bb;
    --secondary-color: #6e48aa;
    --text-primary: #f1f1f1;
    --text-secondary: #d0d0d0;
    --text-muted: #a0a0a0;
    --highlight-color: #d0a2f7;
    --value-color: #b190dd;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --progress-inactive: rgba(255, 255, 255, 0.2);
    --progress-active: linear-gradient(45deg, #9d50bb, #6e48aa);
}

body.light-theme {
    --bg-primary: #f5f7fa;
    --bg-gradient-1: rgba(215, 220, 230, 0.4);
    --bg-gradient-2: rgba(195, 207, 226, 0.6);
    --bg-texture: rgba(0, 0, 0, 0.02);
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-border: rgba(0, 0, 0, 0.05);
    --input-bg: rgba(250, 250, 250, 0.8);
    --input-border: rgba(0, 0, 0, 0.1);
    --content-bg: rgba(248, 248, 248, 0.7);
    --primary-color: #9d50bb;
    --secondary-color: #6e48aa;
    --text-primary: #333;
    --text-secondary: #555;
    --text-muted: #777;
    --highlight-color: #9d50bb;
    --value-color: #6e48aa;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --progress-inactive: rgba(0, 0, 0, 0.1);
    --progress-active: linear-gradient(45deg, #9d50bb, #6e48aa);
}

/* 语言选择器样式 */
.language-selector, .language-option, .language-loading {
    display: none;
}

body {
    min-height: 100vh;
    background: var(--bg-primary);
    background-image: 
        linear-gradient(135deg, var(--bg-gradient-1) 0%, var(--bg-gradient-2) 100%),
        repeating-linear-gradient(45deg, var(--bg-texture) 0px, var(--bg-texture) 1px, transparent 1px, transparent 10px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px 15px;
    color: var(--text-primary);
    line-height: 1.6;
    transition: background 0.5s;
}

/* 主应用容器 */
.app-container {
    max-width: 900px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 25px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 头部样式 */
header {
    text-align: center;
    margin-bottom: 10px;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    background: linear-gradient(45deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(157, 80, 187, 0.3);
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.8;
    font-weight: 400;
    color: var(--text-secondary);
}

/* 卡片容器 */
.card {
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: 0 15px 35px var(--shadow-color), 0 3px 10px rgba(0, 0, 0, 0.3);
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 25px;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.1s;
    opacity: 0;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

@keyframes cardPulse {
    0% { transform: scale(0.97); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4); }
    70% { transform: scale(1.01); box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6); }
    100% { transform: scale(1); box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5); }
}

/* 添加光泽效果 */
.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0.03),
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0)
    );
    transform: rotate(30deg);
    pointer-events: none;
    z-index: 1;
}

.card > * {
    position: relative;
    z-index: 2;
}

/* 输入区域 */
.input-section {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

input, select {
    padding: 12px 20px;
    border-radius: 12px;
    border: 2px solid var(--input-border);
    font-size: 1rem;
    transition: all 0.3s;
    outline: none;
    background: var(--input-bg);
    flex: 1;
    color: var(--text-primary);
}

input:focus, select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(157, 80, 187, 0.2);
}

.theme-selector {
    flex-basis: 200px;
}

select {
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f1f1f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 18px;
    padding-right: 45px;
    cursor: pointer;
}

body.light-theme select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* 内容区域 */
.content-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.story-display {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.character-card {
    flex: 1;
    min-width: 250px;
    background: var(--content-bg);
    border-radius: 15px;
    padding: 20px;
    animation: fadeIn 0.5s;
    border: 1px solid var(--card-border);
    position: relative;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    transform-style: preserve-3d;
    perspective: 1000px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.character-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0.05),
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0)
    );
    transform: rotate(30deg);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.character-card:hover {
    transform: rotateY(5deg) rotateX(2deg) translateZ(10px);
    box-shadow: -5px 10px 30px rgba(0, 0, 0, 0.2), 
                0 0 20px rgba(157, 80, 187, 0.1);
}

.character-card:hover::before {
    opacity: 1;
    animation: reflectionMove 2s infinite linear;
}

@keyframes reflectionMove {
    0% {
        transform: rotate(30deg) translateX(-50%);
    }
    50% {
        transform: rotate(30deg) translateX(10%);
    }
    100% {
        transform: rotate(30deg) translateX(-50%);
    }
}

.character-card h3 {
    color: var(--highlight-color);
    text-align: center;
    margin-bottom: 15px;
    font-size: 1.3rem;
    border-bottom: 2px solid var(--input-border);
    padding-bottom: 10px;
}

.attribute-group {
    margin-bottom: 15px;
}

.attribute {
    display: flex;
    margin-bottom: 8px;
}

.attribute-label {
    font-weight: 600;
    margin-right: 5px;
    min-width: 100px;
    color: var(--text-secondary);
}

.attribute-value {
    color: var(--value-color);
}

.headcanon-container {
    flex: 2;
    min-width: 300px;
    background: var(--content-bg);
    border-radius: 15px;
    padding: 25px;
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--card-border);
    position: relative;
    transition: all 0.3s;
    overflow: hidden;
}

#headcanon {
    color: var(--text-primary);
    font-size: 1.05rem;
    line-height: 1.7;
    transition: all 0.5s ease;
}

.headcanon-highlight {
    animation: highlight 1.5s ease;
}

@keyframes highlight {
    0% { 
        background-color: rgba(157, 80, 187, 0.2);
        box-shadow: 0 0 20px rgba(157, 80, 187, 0.4) inset;
    }
    100% { 
        background-color: rgba(35, 35, 35, 0.7);
        box-shadow: none;
    }
}

/* 进度跟踪器 */
.progress-tracker {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
}

.progress-dots {
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--progress-inactive);
    transition: all 0.3s;
}

.progress-dot.active {
    background: var(--progress-active);
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(157, 80, 187, 0.6);
}

.progress-line {
    width: 60px;
    height: 3px;
    background-color: var(--progress-inactive);
    margin: 0 5px;
    transition: all 0.3s;
}

.progress-line.active {
    background: var(--progress-active);
}

.progress-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 按钮样式 */
.actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 25px;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 160px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0.05),
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.05),
        rgba(255, 255, 255, 0)
    );
    opacity: 0;
    transform: rotate(30deg);
    transition: opacity 0.5s;
}

.btn:hover::after {
    opacity: 1;
}

.btn i {
    font-size: 1.1rem;
    position: relative;
}

.btn.primary {
    background-size: 200% 200%;
    background-image: linear-gradient(45deg, #9d50bb, #6e48aa, #9d50bb);
    animation: gradientShift 6s ease infinite;
    color: white;
    box-shadow: 0 5px 15px rgba(157, 80, 187, 0.3);
}

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(157, 80, 187, 0.5);
}

.btn.primary:active {
    transform: translateY(0);
}

.btn.secondary {
    background: rgba(30, 30, 30, 0.8);
    color: #d0a2f7;
    border: 2px solid #9d50bb;
}

.btn.secondary:hover {
    background: rgba(157, 80, 187, 0.15);
    transform: translateY(-3px);
}

.btn-clicked {
    animation: buttonClick 0.3s ease;
}

@keyframes buttonClick {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

/* 指南区域 */
.instructions {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
    opacity: 0;
}

/* 添加光泽效果 */
.instructions::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0.02),
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0)
    );
    transform: rotate(30deg);
    pointer-events: none;
}

.instructions h3 {
    color: var(--highlight-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.instructions ol {
    padding-left: 20px;
}

.instructions li {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

/* 页脚 */
footer {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    padding: 10px 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.5s;
    opacity: 0;
    position: relative;
}

/* 通用样式 */
.hidden {
    display: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .story-display {
        flex-direction: column;
    }
    
    .card {
        padding: 20px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #9d50bb, #6e48aa);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #9d50bb, #7955b8);
}

/* 打字机效果增强 */
.typing-effect {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    margin: 0;
    border-right: 3px solid #9d50bb;
    width: 0;
    animation: typing 4s steps(40, end) forwards, blink 1s step-end infinite;
    text-shadow: 0 0 1px rgba(157, 80, 187, 0.3);
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    from, to { border-color: transparent; }
    50% { border-color: #9d50bb; }
}

/* 平滑过渡效果 */
.input-section:focus-within {
    transform: translateY(-5px);
}

/* 角色头像样式 */
.avatar-container {
    display: flex;
    justify-content: center;
    margin-bottom: 15px;
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 60px;
    background-size: cover;
    background-position: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    border: 3px solid var(--card-border);
    position: relative;
    overflow: hidden;
    color: white;
    font-size: 3rem;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
}

.avatar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(157, 80, 187, 0.2), 
        rgba(110, 72, 170, 0.1));
    z-index: 1;
    pointer-events: none;
}

/* 头像动画效果 */
.avatar.loading {
    animation: pulse 1.5s infinite;
}

.avatar.loaded {
    animation: avatarAppear 0.5s forwards;
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 0.9; }
    100% { opacity: 0.6; }
}

@keyframes avatarAppear {
    from { 
        transform: scale(0.8); 
        opacity: 0.5;
    }
    to { 
        transform: scale(1); 
        opacity: 1;
    }
}

/* 渐变按钮动画 */
@keyframes gradientShift {
    0% { background-position: 0% 50% }
    50% { background-position: 100% 50% }
    100% { background-position: 0% 50% }
}

/* 音效控制按钮样式 */
.sound-toggle {
    position: absolute;
    bottom: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(35, 35, 35, 0.8);
    border: 2px solid rgba(157, 80, 187, 0.3);
    color: #d0a2f7;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.sound-toggle:hover {
    transform: scale(1.1);
    border-color: rgba(157, 80, 187, 0.8);
    box-shadow: 0 3px 15px rgba(157, 80, 187, 0.4);
}

/* 主题切换按钮 */
.theme-toggle {
    position: absolute;
    bottom: 15px;
    left: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(35, 35, 35, 0.8);
    border: 2px solid rgba(157, 80, 187, 0.3);
    color: #d0a2f7;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.theme-toggle:hover {
    transform: scale(1.1);
    border-color: rgba(157, 80, 187, 0.8);
    box-shadow: 0 3px 15px rgba(157, 80, 187, 0.4);
}

body.light-theme .theme-toggle {
    background: rgba(250, 250, 250, 0.8);
    color: var(--primary-color);
    border-color: rgba(157, 80, 187, 0.3);
}

/* 图片容器样式 */
.image-container {
    margin-top: 20px;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    max-width: 100%;
    overflow: hidden;
}

.image-container:not(.hidden) {
    opacity: 1;
    transform: translateY(0);
}

.image-container.hidden {
    display: none;
}

.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.loading-indicator i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.generated-image {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.generated-image.loaded {
    opacity: 1;
}

/* 响应式语言选择器 */
@media (max-width: 600px) {
    .language-selector {
        gap: 3px;
    }
    
    .language-option {
        padding: 4px 8px;
        font-size: 0.75rem;
    }
}