/* frontend/css/styles.css - 主样式文件 */

:root {
    --color-primary: #FFFFFF;
    --color-secondary: #A0E2E2;
    --color-accent: #9EEA56;
    --color-inactive: #E1E2DB;
    --color-highlight: #FFD8F0;
    --color-text: #000000;
    --color-text-secondary: #666666;
    --color-text-light: #FFFFFF;
    --color-border: #E0E0E0;
    --color-error: #FF6B6B;
    --color-success: #51CF66;
    --color-warning: #FFE066;
    
    --shadow-small: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-large: 0 8px 16px rgba(0, 0, 0, 0.2);
    
    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 12px;
    --radius-round: 50%;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-primary);
    overflow-x: hidden;
}

.app-container {
    display: flex;
    min-height: 100vh;
    background-color: var(--color-primary);
}

.sidebar {
    width: 250px;
    background: linear-gradient(135deg, var(--color-inactive) 0%, #D0D1CC 100%);
    box-shadow: var(--shadow-medium);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.1);
}

.app-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    text-shadow: var(--shadow-small);
}

.app-subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.nav-menu {
    list-style: none;
    flex: 1;
    padding: var(--spacing-md);
}

.nav-item {
    margin-bottom: var(--spacing-sm);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    text-decoration: none;
    color: var(--color-text);
    border-radius: var(--radius-medium);
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-small);
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.nav-link.active {
    background: var(--color-highlight);
    box-shadow: var(--shadow-medium);
    font-weight: 600;
}

.nav-icon {
    font-size: 18px;
    margin-right: var(--spacing-md);
    min-width: 24px;
    text-align: center;
}

.nav-text {
    font-size: 16px;
}

.sidebar-footer {
    padding: var(--spacing-md);
    text-align: center;
    border-top: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.1);
}

.version {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.main-content {
    flex: 1;
    margin-left: 250px;
    padding: var(--spacing-lg);
    background: var(--color-primary);
    min-height: 100vh;
}

.page {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    text-shadow: var(--shadow-small);
}

.page-subtitle {
    font-size: 16px;
    color: var(--color-text-secondary);
    font-weight: 400;
}

.page-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-medium);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-small);
    min-width: 120px;
    height: 44px;
}

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, #7DD83F 100%);
    color: var(--color-text);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-inactive) 0%, #D0D1CC 100%);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-error) 0%, #FF5252 100%);
    color: var(--color-text-light);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
}

.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
    font-size: 14px;
}

.required {
    color: var(--color-error);
}

.form-input,
.search-input,
.filter-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-medium);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--color-primary);
}

.form-input:focus,
.search-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(160, 226, 226, 0.2);
}

textarea.form-input {
    resize: vertical;
    min-height: 80px;
}

.search-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-medium);
}

.search-form {
    display: flex;
    gap: var(--spacing-md);
    align-items: end;
}

.search-form .search-input {
    flex: 2;
}

.search-form .filter-select {
    flex: 1;
    min-width: 200px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-primary);
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    margin-top: var(--spacing-md);
}

.data-table thead {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #8BDEDE 100%);
}

.data-table th {
    padding: var(--spacing-lg);
    text-align: left;
    font-weight: 700;
    color: var(--color-text);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: all 0.3s ease;
}

.data-table tbody tr:hover {
    background: rgba(160, 226, 226, 0.1);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.action-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
    min-width: 60px;
    height: 32px;
    border-radius: var(--radius-small);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-round);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    box-shadow: var(--shadow-small);
}

.status-badge.blueprint-confirmation {
    background: var(--color-warning);
    color: var(--color-text);
}

.status-badge.production {
    background: var(--color-secondary);
    color: var(--color-text);
}

.status-badge.international-shipping {
    background: var(--color-highlight);
    color: var(--color-text);
}

.status-badge.delivered {
    background: var(--color-success);
    color: var(--color-text-light);
}

.status-badge.cancelled {
    background: var(--color-error);
    color: var(--color-text-light);
}

.membership-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-round);
    font-size: 12px;
    font-weight: 600;
    box-shadow: var(--shadow-small);
}

.membership-badge.bronze {
    background: #CD7F32;
    color: var(--color-text-light);
}

.membership-badge.silver {
    background: #C0C0C0;
    color: var(--color-text);
}

.membership-badge.gold {
    background: #FFD700;
    color: var(--color-text);
}

.membership-badge.platinum {
    background: #E5E4E2;
    color: var(--color-text);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xl);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-large);
}

.stat-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-secondary);
    border-radius: var(--radius-round);
    box-shadow: var(--shadow-small);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.chart-section,
.activity-section {
    margin-bottom: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xl);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-medium);
}

.section-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-secondary);
}

.chart-container {
    min-height: 200px;
}

.activity-list {
    max-height: 400px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.activity-item:hover {
    background: rgba(160, 226, 226, 0.1);
}

.activity-info h4 {
    margin-bottom: var(--spacing-xs);
    font-size: 16px;
    font-weight: 600;
}

.activity-info p {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.loading,
.error-message,
.success-message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-large);
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    max-width: 400px;
}

.loading {
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-text);
}

.error-message {
    background: rgba(255, 107, 107, 0.95);
    color: var(--color-text-light);
}

.success-message {
    background: rgba(81, 207, 102, 0.95);
    color: var(--color-text-light);
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top: 2px solid var(--color-secondary);
    border-radius: var(--radius-round);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-close,
.success-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    margin-left: auto;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-round);
    transition: all 0.3s ease;
}

.error-close:hover,
.success-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.hidden {
    display: none !important;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.font-weight-bold { font-weight: 700; }

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .search-form {
        flex-direction: column;
    }
}