/**
 * 苹果风格 UI 样式
 * Apple Design System UI Styles
 */

:root {
    /* 苹果系统颜色 */
    --apple-blue: #007AFF;
    --apple-blue-light: #5AC8FA;
    --apple-blue-dark: #0051D5;
    --apple-green: #34C759;
    --apple-orange: #FF9500;
    --apple-red: #FF3B30;
    --apple-purple: #AF52DE;
    
    /* 背景颜色 - 苹果浅色系 */
    --apple-bg-primary: #FFFFFF;
    --apple-bg-secondary: #F5F5F7;
    --apple-bg-tertiary: #E5E5EA;
    --apple-bg-card: rgba(255, 255, 255, 0.8);
    
    /* 文字颜色 */
    --apple-text-primary: #1D1D1F;
    --apple-text-secondary: #86868B;
    --apple-text-tertiary: #AEAEB2;
    
    /* 毛玻璃效果 */
    --apple-glass-bg: rgba(255, 255, 255, 0.7);
    --apple-glass-border: rgba(0, 0, 0, 0.1);
    
    /* 阴影 - 苹果风格柔和阴影 */
    --apple-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --apple-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --apple-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --apple-shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.2);
    
    /* 圆角 */
    --apple-radius-sm: 8px;
    --apple-radius-md: 12px;
    --apple-radius-lg: 20px;
    --apple-radius-xl: 28px;
}

/* 全局样式 */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: var(--apple-bg-secondary);
    background-image: linear-gradient(180deg, #F5F5F7 0%, #FFFFFF 100%);
    background-attachment: fixed;
    color: var(--apple-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 背景遮罩层 - 降低背景图片亮度 */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(245, 245, 247, 0.85);
    pointer-events: none;
    z-index: 0;
}

/* 导航栏 - 苹果风格毛玻璃效果 */
.navbar {
    background: var(--apple-glass-bg) !important;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 0.5px solid var(--apple-glass-border);
    box-shadow: var(--apple-shadow-sm);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1030 !important;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--apple-text-primary) !important;
    letter-spacing: -0.3px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--apple-text-secondary) !important;
    font-weight: 400;
    font-size: 0.9375rem;
    padding: 0.5rem 1rem !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--apple-radius-sm);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--apple-text-primary) !important;
    background: rgba(0, 122, 255, 0.08);
}

.nav-link.active {
    font-weight: 500;
}

/* 卡片 - 苹果风格 */
.card {
    background: var(--apple-bg-card);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 0.5px solid var(--apple-glass-border);
    border-radius: var(--apple-radius-lg);
    box-shadow: var(--apple-shadow-md);
    margin-bottom: 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--apple-shadow-lg);
    border-color: rgba(0, 122, 255, 0.2);
}

.card-header {
    background: transparent;
    border-bottom: 0.5px solid var(--apple-glass-border);
    color: var(--apple-text-primary);
    font-weight: 600;
    font-size: 1.0625rem;
    padding: 1.25rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* 按钮 - 苹果风格 */
.btn-primary {
    background: var(--apple-blue);
    border: none;
    color: white;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 12px 24px;
    border-radius: var(--apple-radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--apple-shadow-sm);
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--apple-blue-dark);
    transform: translateY(-1px);
    box-shadow: var(--apple-shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--apple-shadow-sm);
}

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--apple-blue);
    color: var(--apple-blue);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 12px 24px;
    border-radius: var(--apple-radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-outline-primary:hover {
    background: rgba(0, 122, 255, 0.1);
    border-color: var(--apple-blue-dark);
    color: var(--apple-blue-dark);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--apple-green);
    border: none;
    color: white;
}

.btn-success:hover {
    background: #30B550;
    transform: translateY(-1px);
}

/* 表单元素 - 苹果风格 */
.form-control,
.form-select {
    background: var(--apple-bg-primary);
    border: 0.5px solid var(--apple-glass-border);
    border-radius: var(--apple-radius-md);
    color: var(--apple-text-primary);
    padding: 12px 16px;
    font-size: 0.9375rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--apple-shadow-sm);
}

.form-control:focus,
.form-select:focus {
    background: var(--apple-bg-primary);
    border-color: var(--apple-blue);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1), var(--apple-shadow-sm);
    outline: none;
}

.form-control::placeholder {
    color: var(--apple-text-tertiary);
}

.form-label {
    font-weight: 500;
    color: var(--apple-text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    letter-spacing: -0.2px;
}

/* 文件上传区域 - 苹果风格 */
#dragDropArea {
    background: var(--apple-bg-secondary);
    border: 2px dashed var(--apple-glass-border);
    border-radius: var(--apple-radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

#dragDropArea:hover,
#dragDropArea.dragover {
    border-color: var(--apple-blue);
    background: rgba(0, 122, 255, 0.05);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1), var(--apple-shadow-sm);
}

/* 进度条 - 苹果风格 */
.progress {
    background: var(--apple-bg-tertiary);
    border-radius: var(--apple-radius-sm);
    height: 4px;
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.progress-bar {
    background: var(--apple-blue);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--apple-radius-sm);
}

/* 处理步骤 - 苹果风格 */
.processing-step {
    background: var(--apple-bg-primary);
    border: 0.5px solid var(--apple-glass-border);
    border-radius: var(--apple-radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.processing-step.active {
    background: rgba(0, 122, 255, 0.08);
    border-color: var(--apple-blue);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
}

.processing-step.completed {
    background: rgba(52, 199, 89, 0.08);
    border-color: var(--apple-green);
}

/* Toast 提示 - 苹果风格 */
.toast-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    pointer-events: none;
}

.toast {
    min-width: 350px;
    max-width: 500px;
    background: var(--apple-glass-bg) !important;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 0.5px solid var(--apple-glass-border);
    border-radius: var(--apple-radius-lg);
    box-shadow: var(--apple-shadow-xl);
    pointer-events: auto;
    color: var(--apple-text-primary) !important;
}

/* Toast 文字颜色 - 确保可见 */
.toast .toast-body {
    color: var(--apple-text-primary) !important;
}

/* 不同类型的 toast 背景和文字颜色 */
.toast.bg-success {
    background: rgba(52, 199, 89, 0.9) !important;
    color: #ffffff !important;
}

.toast.bg-success .toast-body {
    color: #ffffff !important;
}

.toast.bg-danger,
.toast.bg-error {
    background: rgba(255, 59, 48, 0.9) !important;
    color: #ffffff !important;
}

.toast.bg-danger .toast-body,
.toast.bg-error .toast-body {
    color: #ffffff !important;
}

.toast.bg-warning {
    background: rgba(255, 204, 0, 0.9) !important;
    color: var(--apple-text-primary) !important;
}

.toast.bg-warning .toast-body {
    color: var(--apple-text-primary) !important;
}

.toast.bg-info {
    background: rgba(0, 122, 255, 0.9) !important;
    color: #ffffff !important;
}

.toast.bg-info .toast-body {
    color: #ffffff !important;
}

/* 文本样式 */
h1, h2, h3, h4, h5, h6 {
    color: var(--apple-text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

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

/* 链接 */
a {
    color: var(--apple-blue);
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
    color: var(--apple-blue-dark);
    text-decoration: underline;
}

/* 滚动条 - 苹果风格 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--apple-bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--apple-text-tertiary);
}

/* 动画效果 */
@keyframes apple-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes apple-scale-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .card {
        border-radius: var(--apple-radius-md);
        margin-bottom: 1.5rem;
    }
    
    .btn-primary {
        padding: 12px 20px;
        font-size: 0.875rem;
    }
    
    .navbar-brand {
        font-size: 1.125rem;
    }
}

/* 登录页面特殊样式 */
.login-card {
    background: var(--apple-glass-bg);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 0.5px solid var(--apple-glass-border);
    border-radius: var(--apple-radius-xl);
    box-shadow: var(--apple-shadow-xl);
}

.login-header {
    background: transparent;
    border-bottom: 0.5px solid var(--apple-glass-border);
    padding: 2.5rem 2rem;
    text-align: center;
}

.login-body {
    padding: 2.5rem;
    background: transparent;
}

/* 下拉菜单 - 苹果风格 */
.dropdown-menu {
    background: var(--apple-glass-bg) !important;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 0.5px solid var(--apple-glass-border);
    border-radius: var(--apple-radius-md);
    box-shadow: var(--apple-shadow-lg);
    padding: 0.5rem;
    z-index: 1055 !important;
    pointer-events: auto !important;
}

.dropdown-menu.show {
    display: block !important;
}

.dropdown-item {
    border-radius: var(--apple-radius-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.9375rem;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    pointer-events: auto;
    display: block;
    text-decoration: none;
    color: var(--apple-text-primary);
}

.dropdown-item:hover {
    background: rgba(0, 122, 255, 0.1) !important;
    color: var(--apple-text-primary) !important;
}

.dropdown-item:active,
.dropdown-item:focus {
    background: rgba(0, 122, 255, 0.15) !important;
    color: var(--apple-text-primary) !important;
}

.dropdown-item.logout-link:hover {
    background: rgba(255, 59, 48, 0.1) !important;
    color: var(--apple-red) !important;
}

/* 徽章 - 苹果风格 */
.badge {
    border-radius: var(--apple-radius-sm);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

.badge.bg-success {
    background: var(--apple-green) !important;
}

/* 警告框 - 苹果风格 */
.alert {
    border-radius: var(--apple-radius-md);
    border: 0.5px solid var(--apple-glass-border);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    background: var(--apple-bg-card);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.alert-warning {
    background: rgba(255, 149, 0, 0.1);
    border-color: rgba(255, 149, 0, 0.3);
    color: #B8860B;
}

.alert-success {
    background: rgba(52, 199, 89, 0.1);
    border-color: rgba(52, 199, 89, 0.3);
    color: #248A3D;
}

.alert-danger {
    background: rgba(255, 59, 48, 0.1);
    border-color: rgba(255, 59, 48, 0.3);
    color: #D70015;
}