/* ========================================
   富友自助进件服务平台 - 高端企业级UI样式
   ======================================== */

/* CSS变量 */
:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 导航栏 */
.navbar-premium {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.navbar-brand-premium {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.navbar-brand-premium:hover {
    color: var(--primary);
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

/* 卡片样式 */
.card-premium {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

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

.card-header-premium {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card-header-premium i {
    color: var(--primary);
    font-size: 1.1rem;
}

.card-body-premium {
    padding: 1.5rem;
}

/* 表单样式 */
.form-label-premium {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.form-label-premium .required {
    color: var(--danger);
    font-size: 0.75rem;
}

.form-control-premium,
.form-select-premium {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: var(--transition);
    width: 100%;
}

.form-control-premium:focus,
.form-select-premium:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.form-control-premium::placeholder {
    color: var(--text-muted);
}

.form-text-premium {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
}

/* 按钮样式 */
.btn-premium {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.5;
}

.btn-primary-premium {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary-premium:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
    transform: translateY(-1px);
}

.btn-primary-premium:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}

.btn-outline-premium {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline-premium:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-1px);
}

.btn-secondary-premium {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary-premium:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.btn-lg-premium {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
}

.btn-block-premium {
    width: 100%;
}

/* 步骤指示器 */
.step-indicator-premium {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin: 2rem 0 2.5rem;
    padding: 0 1rem;
}

.step-premium {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.step-premium.active .step-number {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.step-premium.completed .step-number {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

.step-premium.completed .step-number::after {
    content: '✓';
    font-size: 1rem;
}

.step-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
}

.step-premium.active .step-label {
    color: var(--primary);
    font-weight: 600;
}

.step-premium.completed .step-label {
    color: var(--success);
}

.step-line {
    width: 80px;
    height: 2px;
    background: var(--border-color);
    margin: 0 0.75rem;
    transition: var(--transition);
}

.step-line.completed {
    background: var(--success);
}

/* 选择卡片 */
.type-card-premium {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.type-card-premium:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.type-card-premium.selected {
    border-color: var(--primary);
    background: linear-gradient(to bottom, rgba(37, 99, 235, 0.02), rgba(37, 99, 235, 0.05));
}

.type-card-premium.selected::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.type-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.type-card-premium h5 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: var(--text-primary);
}

.type-card-premium p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.type-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    opacity: 0;
    transform: scale(0);
    transition: var(--transition);
}

.type-card-premium.selected .type-badge {
    opacity: 1;
    transform: scale(1);
}

/* 上传区域 */
.upload-area-premium {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-primary);
    position: relative;
}

.upload-area-premium:hover {
    border-color: var(--primary-light);
    background: rgba(37, 99, 235, 0.02);
}

.upload-area-premium.dragover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
    box-shadow: var(--shadow-md);
}

.upload-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--primary);
    font-size: 1.25rem;
}

.upload-text {
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.375rem;
}

.upload-hint {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.upload-preview-premium {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
}

.upload-preview-premium img {
    max-width: 100%;
    max-height: 120px;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.upload-file-name {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

.upload-remove {
    font-size: 0.8125rem;
    color: var(--danger);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.upload-remove:hover {
    text-decoration: underline;
}

/* 标签 */
.badge-premium {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 100px;
    line-height: 1.5;
}

.badge-primary-premium {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.badge-success-premium {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning-premium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger-premium {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge-info-premium {
    background: rgba(6, 182, 212, 0.1);
    color: var(--info);
}

/* 表格 */
.table-premium {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table-premium th {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table-premium td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9375rem;
    color: var(--text-primary);
    vertical-align: middle;
}

.table-premium tr:last-child td {
    border-bottom: none;
}

.table-premium tr:hover td {
    background: rgba(37, 99, 235, 0.02);
}

/* 侧边栏 */
.sidebar-premium {
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    min-height: 100vh;
    padding: 1.5rem 0;
    width: 260px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-brand {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.sidebar-brand h5 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.sidebar-nav {
    padding: 0 0.75rem;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 0.25rem;
}

.sidebar-nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar-nav-item.active {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.sidebar-nav-item i {
    font-size: 1.125rem;
    width: 24px;
    text-align: center;
}

/* 主内容区 */
.main-content-premium {
    margin-left: 260px;
    padding: 1.5rem 2rem;
    min-height: 100vh;
    background: var(--bg-secondary);
}

.page-header-premium {
    margin-bottom: 1.5rem;
}

.page-title-premium {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.375rem;
}

.page-subtitle-premium {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0;
}

/* 信息卡片 */
.info-card-premium {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

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

.info-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-icon-primary {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.info-icon-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.info-icon-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.info-icon-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.info-content h6 {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    margin: 0 0 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* 复选框和单选框 */
.form-check-premium {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0;
    cursor: pointer;
}

.form-check-premium input[type="checkbox"],
.form-check-premium input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-check-premium label {
    font-size: 0.9375rem;
    color: var(--text-primary);
    cursor: pointer;
    margin: 0;
}

/* 费率显示 */
.rate-display-premium {
    display: inline-flex;
    align-items: baseline;
    gap: 0.125rem;
}

.rate-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.rate-unit {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* 提示框 */
.alert-premium {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.alert-info-premium {
    background: rgba(6, 182, 212, 0.1);
    color: var(--info);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.alert-success-premium {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-warning-premium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-danger-premium {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-premium i {
    font-size: 1.125rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

.animate-fadeInUp {
    animation: fadeInUp 0.4s ease-out;
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease-out;
}

.animate-slideInRight {
    animation: slideInRight 0.4s ease-out;
}

/* 加载状态 */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.btn-loading {
    pointer-events: none;
    opacity: 0.8;
}

/* 响应式 */
@media (max-width: 992px) {
    .sidebar-premium {
        transform: translateX(-100%);
    }
    
    .sidebar-premium.show {
        transform: translateX(0);
    }
    
    .main-content-premium {
        margin-left: 0;
    }
    
    .step-line {
        width: 40px;
    }
}

@media (max-width: 768px) {
    .step-indicator-premium {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .step-premium {
        flex: 1;
        min-width: 120px;
    }
    
    .step-line {
        display: none;
    }
    
    .type-card-premium {
        margin-bottom: 1rem;
    }
}

/* 工具类 */
.text-premium-primary { color: var(--primary); }
.text-premium-secondary { color: var(--text-secondary); }
.text-premium-muted { color: var(--text-muted); }
.text-premium-success { color: var(--success); }
.text-premium-warning { color: var(--warning); }
.text-premium-danger { color: var(--danger); }

.bg-premium-primary { background-color: var(--primary); }
.bg-premium-secondary { background-color: var(--bg-secondary); }
.bg-premium-tertiary { background-color: var(--bg-tertiary); }

.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

.fs-sm { font-size: 0.8125rem; }
.fs-md { font-size: 0.9375rem; }
.fs-lg { font-size: 1.125rem; }

.rounded-premium { border-radius: var(--radius-md); }
.rounded-lg-premium { border-radius: var(--radius-lg); }
.rounded-xl-premium { border-radius: var(--radius-xl); }

.shadow-premium { box-shadow: var(--shadow-md); }
.shadow-lg-premium { box-shadow: var(--shadow-lg); }

.transition-premium { transition: var(--transition); }

.overflow-hidden { overflow: hidden; }