/* 海灵菇AI写作官网 - 白天模式样式 */
:root {
    --primary-color: #5b9a6f;
    --secondary-color: #F5F7FA;
    --text-primary: #1D2129;
    --text-secondary: #86909C;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F7FA;
    --border-color: #E5E6EB;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --gradient-bg: linear-gradient(135deg, #5b9a6f, #3d7a52);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: all 0.3s ease;
}

/* 增强样式支持 */
body:not(.login-page) {
    /* 非登录页面的原有样式 */
}

/* 头部导航 */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    border-radius: 0 0 12px 12px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.theme-toggle:hover {
    background: var(--secondary-color);
}

/* 主容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* 登录页样式（被 enhanced.css 和 dashboard.css 覆盖） */
.login-container {
    max-width: 400px;
    margin: 5rem auto;
    padding: 2rem;
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.login-title {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s;
    background: rgba(255, 255, 255, 0.9);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    font-weight: 500;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(91, 154, 111, 0.3);
}

.btn-primary:hover {
    background: #4a8a5e;
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(91, 154, 111, 0.4);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.btn-secondary:hover {
    background: #E8EAF2;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-group {
    display: flex;
    gap: 1rem;
}

.btn-group .btn {
    flex: 1;
}

/* 首页样式 */
.hero-section {
    text-align: center;
    padding: 3rem 0;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.feature-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
}

/* 书名生成页样式 */
.generator-form {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.results-section {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.results-title {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.result-item {
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.result-item:hover {
    transform: translateX(5px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.result-text {
    flex: 1;
    margin-right: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .container {
        padding: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.hidden {
    display: none;
}

/* 创作流程样式 */
.creation-flow {
    margin-bottom: 3rem;
}

.flow-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.flow-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    cursor: pointer;
    transition: all 0.3s ease;
}

.step.active {
    transform: scale(1.1);
}

.step.completed .step-number {
    background: var(--primary-color);
    color: white;
}

.step.active .step-number {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.2);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.step-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: bold;
}

.step-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.step-panel.active {
    display: block;
}

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

.book-name-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--secondary-color);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.book-name-number {
    font-weight: bold;
    margin-right: 1rem;
    color: var(--primary-color);
}

.book-name-text {
    flex: 1;
    margin-right: 1rem;
}

.project-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.project-name {
    flex: 1;
    font-weight: 500;
}

.project-date {
    color: var(--text-secondary);
    margin-right: 1rem;
}

.project-actions {
    display: flex;
    gap: 0.5rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.pricing-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.payment-methods {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.payment-method {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
}

.payment-method:hover {
    border-color: var(--primary-color);
}