:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3447db;
    --accent-color-dark: #2a3bb8;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --border-color: #e9ecef;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--text-primary);
    line-height: 1.6;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);
    z-index: -1;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 280px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: #3447db;
    color: white;
}

.sidebar-brand {
    color: white;
    font-size: 1.4rem;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.sidebar-brand:hover, .sidebar-brand:focus {
    background: none !important;
    box-shadow: none !important;
    color: inherit !important;
}

.logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    margin-right: 0.75rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.sidebar-brand:hover .logo-img {
    transform: scale(1.05);
}

.sidebar-brand i {
    font-size: 1.6rem;
    margin-right: 0.75rem;
}

.nav-item {
    margin: 0.25rem 1rem;
}

.nav-link {
    color: var(--text-primary);
    padding: 0.875rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    border: 1px solid transparent;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-color);
    background: rgba(52, 71, 219, 0.1);
    border-color: rgba(52, 71, 219, 0.2);
    transform: translateX(5px);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.main-content {
    margin-left: 280px;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    min-height: 100vh;
}

.main-content.expanded {
    margin-left: 70px;
}

.topbar {
    background: var(--bg-primary);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: var(--shadow-light);
}

.topbar h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin: 0;
}

.content-wrapper {
    padding: 2rem;
}

/* 页面内容容器 */
#page-content {
    min-height: calc(100vh - 200px);
    transition: all 0.3s ease;
}

.card {
    border: none;
    border-radius: 12px;
    background: var(--bg-primary);
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.card-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
}

.card-header h4 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.4rem;
    margin: 0;
}

.card-header h4 i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.card-body {
    padding: 2rem;
}

.toggle-sidebar {
    background: var(--accent-color);
    border: none;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.2);
}

.toggle-sidebar:hover {
    background: #2a3bb8;
    transform: scale(1.05);
}

.toggle-sidebar:active {
    transform: scale(0.95);
}

.toggle-sidebar i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.toggle-sidebar:hover i {
    transform: rotate(90deg);
}

/* 套餐价格样式 */
.pricing-glass {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pricing-glass:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-color);
}

.pricing-glass .icon {
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem auto;
    box-shadow: var(--shadow-light);
}

.pricing-glass h4 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.pricing-glass .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-align: center;
    margin-bottom: 0.5rem;
}

.pricing-glass .desc {
    color: var(--text-secondary);
    font-size: 1rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.pricing-glass .features {
    text-align: left;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.pricing-glass .features li {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.pricing-glass .features i {
    color: var(--success-color);
    margin-right: 0.5rem;
    font-size: 1rem;
}

.pricing-glass .badge-bottom {
    background: var(--accent-color);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    text-align: center;
    margin-top: auto;
}

.pricing-glass .tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--success-color);
    color: white;
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-weight: 600;
}

.pricing-glass.recommend {
    border-color: #f39c12;
    box-shadow: 0 8px 30px rgba(243, 156, 18, 0.3);
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.05), rgba(230, 126, 34, 0.05));
    position: relative;
}

.pricing-glass.recommend::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #f39c12, #e67e22);
}

.pricing-glass.recommend .icon {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
}

.pricing-glass.recommend .price {
    color: #f39c12;
}

.pricing-glass.recommend .badge-bottom {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.pricing-glass.recommend .tag {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.pricing-glass.recommend:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 12px 40px rgba(243, 156, 18, 0.4);
}

/* 按钮样式 */
.btn-primary {
    background: var(--accent-color);
    border-color: var(--accent-color);
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #2a3bb8;
    border-color: #2a3bb8;
    transform: translateY(-1px);
}

/* Bootstrap响应式覆盖 */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: 1rem;
    }
    
    .topbar {
        padding: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .pricing-glass {
        margin-bottom: 1.5rem;
    }
    
    /* 移动端logo样式 */
    .logo-img {
        width: 28px;
        height: 28px;
    }
    
    .sidebar.collapsed .logo-img {
        width: 20px;
        height: 20px;
    }
    
    /* 移动端汉堡按钮样式 */
    .toggle-sidebar {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .toggle-sidebar i {
        font-size: 0.9rem;
    }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2a3bb8;
}

/* 加载动画 */
.spinner-border {
    color: var(--accent-color);
}

/* 错误页面样式 */
.text-warning {
    color: var(--warning-color) !important;
}

.text-muted {
    color: var(--text-secondary) !important;
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --glass-bg: rgba(0, 0, 0, 0.2);
        --glass-border: rgba(255, 255, 255, 0.1);
    }
}

/* 侧边栏折叠时的logo样式 */
.sidebar.collapsed .logo-img {
    width: 24px;
    height: 24px;
    margin-right: 0;
}

.sidebar.collapsed .sidebar-brand {
    justify-content: center;
}

.sidebar.collapsed .sidebar-brand span {
    display: none;
}

/* 侧边栏折叠时的导航链接样式 */
.sidebar.collapsed .nav-link {
    padding: 0.75rem 0.5rem;
    justify-content: center;
    margin: 0.25rem 0.5rem;
    min-width: 50px;
    max-width: 60px;
    box-sizing: border-box;
    overflow: hidden;
}

.sidebar.collapsed .nav-link:hover, 
.sidebar.collapsed .nav-link.active {
    transform: translateX(0);
    background: rgba(52, 71, 219, 0.15);
    border-color: rgba(52, 71, 219, 0.3);
    box-shadow: 0 2px 8px rgba(52, 71, 219, 0.2);
}

.sidebar.collapsed .nav-link .nav-text {
    display: none;
}

.sidebar.collapsed .nav-link i {
    margin-right: 0;
    font-size: 1.2rem;
    width: auto;
}

.sidebar.collapsed .nav-item {
    margin: 0.25rem 0.5rem;
    display: flex;
    justify-content: center;
}

/* 违禁检测页面增强样式 */
#forbidden-input {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    min-height: 120px;
}

#forbidden-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 71, 219, 0.25);
    outline: none;
}

#forbidden-input::placeholder {
    color: var(--text-secondary);
    font-style: italic;
}

/* 检测按钮样式增强 */
#forbidden-check {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-dark));
    border: none;
    border-radius: 8px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 71, 219, 0.3);
}

#forbidden-check:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 71, 219, 0.4);
    background: linear-gradient(135deg, var(--accent-color-dark), #1f5f8b);
}

#forbidden-check:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 2px 8px rgba(52, 71, 219, 0.2);
}

/* 清空按钮样式 */
#forbidden-clear {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 8px;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

#forbidden-clear:hover:not(:disabled) {
    background: var(--border-color);
    border-color: var(--text-secondary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

/* 检测结果样式增强 */
#forbidden-result .alert {
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

#forbidden-result .alert-info {
    background: linear-gradient(135deg, rgba(52, 71, 219, 0.05), rgba(52, 71, 219, 0.1));
    border-left: 4px solid var(--accent-color);
}

#forbidden-result .alert-danger {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.05), rgba(231, 76, 60, 0.1));
    border-left: 4px solid var(--danger-color);
}

/* 违禁词标签样式 */
.badge.bg-danger {
    background: linear-gradient(135deg, #e74c3c, #c0392b) !important;
    border-radius: 20px;
    padding: 0.5rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(231, 76, 60, 0.3);
    display: inline-block;
    margin-bottom: 0.25rem;
}

/* 检测结果中的违禁词容器 */
#forbidden-result .mb-3 span {
    display: inline;
    line-height: 1.6;
}

#forbidden-result .mb-3 strong {
    display: inline;
    margin-right: 0.5rem;
}

/* 进度条样式 */
.progress {
    background: rgba(52, 71, 219, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--accent-color), var(--accent-color-dark));
    border-radius: 10px;
}

/* 字数统计样式 */
#word-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

#word-count .text-danger {
    color: var(--danger-color) !important;
    font-weight: 600;
}

#word-count i {
    margin-left: 0.25rem;
    font-size: 0.8rem;
}

#word-count small {
    font-size: 0.75rem;
    white-space: nowrap;
}

/* 字数限制提示样式 */
.form-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    flex: 1;
}

.form-text i {
    color: var(--accent-color);
}

/* 输入框字数超限样式 */
#forbidden-input:invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.25);
}

/* 检测进度动画 */
@keyframes detectionPulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.detection-progress .spinner-border {
    animation: detectionPulse 2s infinite;
}

/* 结果卡片悬停效果 */
#forbidden-result .alert:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

/* 移动端适配 */
@media (max-width: 768px) {
    #forbidden-input {
        min-height: 100px;
        font-size: 0.95rem;
    }
    
    #forbidden-check,
    #forbidden-clear {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .badge.bg-danger {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    #word-count {
        font-size: 0.8rem;
    }
    
    .form-text {
        font-size: 0.8rem;
    }
}

/* 图片加载失败提示样式 */
.image-error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    min-height: 120px;
    transition: all 0.3s ease;
}

.image-error-container:hover {
    border-color: var(--accent-color);
    background: rgba(52, 71, 219, 0.05);
}

.image-error-icon {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.image-error-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.4;
}

/* 针对不同图片类型的特殊样式 */
.logo-img.image-error {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 1rem;
}

.client-photo.image-error {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 1.5rem;
}

.proof-image.image-error {
    width: 100%;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .image-error-container {
        min-height: 100px;
        padding: 0.75rem;
    }
    
    .image-error-icon {
        font-size: 1.5rem;
    }
    
    .image-error-text {
        font-size: 0.8rem;
    }
    
    .client-photo.image-error {
        height: 150px;
        font-size: 1.2rem;
    }
    
    .proof-image.image-error {
        height: 100px;
        font-size: 1rem;
    }
}