/*
 * Dashboard Styles
 * 现代化Dashboard界面样式
 */

/* ========== Dashboard Navigation ========== */
.dashboard-nav {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.dashboard-nav .nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
}

.nav-brand .brand-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-primary);
}

.brand-icon {
    font-size: 1.5rem;
}

.brand-name {
    font-size: 1.125rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    gap: var(--space-2);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
    font-size: 0.875rem;
    position: relative;
}

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

.nav-item.active {
    color: var(--primary-400);
    background: var(--bg-glass);
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary-500);
    border-radius: var(--radius-sm);
}

.user-section .user-menu {
    position: relative;
}

.user-section .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--border-light);
    transition: all var(--transition-fast);
}

.user-section .user-avatar:hover {
    border-color: var(--primary-400);
    transform: scale(1.05);
}

.user-section .user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* User Dropdown Menu */
.user-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 240px;
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-4);
    z-index: 1000;
    animation: fadeInDown 0.2s ease-out;
}

.user-dropdown.hidden {
    display: none;
}

.user-info {
    padding-bottom: var(--space-3);
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.user-email {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-1);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--space-3) 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.dropdown-item svg {
    opacity: 0.7;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Dashboard Container ========== */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
}

/* ========== Welcome Section ========== */
.welcome-section {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.welcome-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.welcome-content h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.welcome-content p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.quick-actions {
    display: flex;
    gap: var(--space-3);
}

/* ========== Stats Grid ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-md);
}

.stat-icon.success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
}

.stat-icon.primary {
    background: var(--gradient-primary);
}

.stat-icon.warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-600));
}

.stat-icon.info {
    background: linear-gradient(135deg, var(--info-500), var(--info-600));
}

.stat-trend {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

.stat-trend.up {
    background: var(--success-100);
    color: var(--success-600);
}

.stat-trend.down {
    background: var(--error-100);
    color: var(--error-600);
}

.stat-trend.neutral {
    background: var(--gray-100);
    color: var(--gray-600);
}

.stat-content {
    text-align: left;
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ========== Content Grid ========== */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}

.content-section {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-normal);
}

.content-section:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-medium);
}

.content-section.full-width {
    grid-column: 1 / -1;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-light);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.section-action {
    color: var(--primary-300);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: color var(--transition-fast);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.section-action:hover {
    color: var(--primary-200);
    background: var(--bg-glass);
}

/* ========== Recent Items ========== */
.recent-files, .recent-tasks {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.file-item, .task-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.file-item:hover, .task-item:hover {
    background: var(--bg-glass);
    border-color: var(--border-medium);
}

.item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.item-icon.file {
    background: var(--gradient-primary);
}

.item-icon.task {
    background: var(--gradient-accent);
}

.item-content {
    flex: 1;
    min-width: 0;
}

.item-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-meta {
    color: var(--text-muted);
    font-size: 0.875rem;
    display: flex;
    gap: var(--space-4);
}

.item-status {
    margin-left: auto;
    flex-shrink: 0;
}

/* ========== Loading Placeholder ========== */
.loading-placeholder {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.placeholder-item {
    height: 60px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    animation: pulse 2s infinite;
    position: relative;
    overflow: hidden;
}

.placeholder-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ========== Chart Container ========== */
.chart-container {
    height: 300px;
    position: relative;
    margin-top: var(--space-4);
}

.chart-controls {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

#activity-canvas {
    max-height: 300px;
}

/* ========== Upload Modal ========== */
.modal-lg {
    max-width: 600px;
}

.upload-area {
    border: 2px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    padding: var(--space-12);
    text-align: center;
    margin-bottom: var(--space-6);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-400);
    background: var(--bg-glass);
}

.upload-area.drag-over {
    border-color: var(--primary-500);
    background: rgba(103, 102, 241, 0.1);
}

.upload-icon {
    margin-bottom: var(--space-4);
    color: var(--text-muted);
}

.upload-text {
    margin-bottom: var(--space-6);
}

.upload-primary {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.upload-secondary {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.upload-options {
    background: var(--bg-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.upload-queue {
    background: var(--bg-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.queue-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.queue-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.queue-item-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.queue-item-content {
    flex: 1;
    min-width: 0;
}

.queue-item-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--space-1);
}

.queue-item-size {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.queue-item-progress {
    width: 60px;
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    overflow: hidden;
}

.queue-item-progress-bar {
    height: 100%;
    background: var(--primary-500);
    transition: width var(--transition-fast);
}

.queue-item-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.queue-item-remove:hover {
    color: var(--error-500);
    background: var(--error-50);
}

/* ========== Status Badges ========== */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.processing {
    background: var(--warning-100);
    color: var(--warning-800);
}

.status-badge.completed {
    background: var(--success-100);
    color: var(--success-800);
}

.status-badge.failed {
    background: var(--error-100);
    color: var(--error-800);
}

.status-badge.pending {
    background: var(--gray-100);
    color: var(--gray-800);
}

/* ========== File Processing Styles ========== */
.processing-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.processing-form {
    background: var(--bg-glass);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-select {
    padding: var(--space-3);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.cost-info {
    margin-top: var(--space-4);
    animation: fadeInUp 0.3s ease-out;
}

.cost-card {
    background: var(--bg-glass);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
}

.cost-card h4 {
    color: var(--primary-400);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.cost-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.cost-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

.cost-item span:first-child {
    color: var(--text-secondary);
}

.cost-item span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.balance-info {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    padding-top: var(--space-2);
    border-top: 1px solid var(--border-light);
}

.form-actions {
    margin-top: var(--space-6);
}

/* Processing Progress */
.processing-progress {
    background: var(--bg-glass);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    animation: fadeInUp 0.3s ease-out;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.progress-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.progress-header span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
    border-radius: var(--radius-sm);
    transition: width 0.3s ease-out;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: progressShimmer 2s infinite;
}

@keyframes progressShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Processing Results */
.processing-results {
    background: var(--bg-glass);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    animation: fadeInUp 0.3s ease-out;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-light);
}

.results-header h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.result-actions {
    display: flex;
    gap: var(--space-2);
}

.results-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.result-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.result-section h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.markdown-content,
.mermaid-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    min-height: 200px;
    font-size: 0.875rem;
    line-height: 1.6;
}

.markdown-content {
    color: var(--text-primary);
    overflow-x: auto;
}

.mermaid-content {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.mermaid-content svg {
    max-width: 100%;
    height: auto;
}

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

/* Spinner for processing */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-light);
    border-top: 2px solid var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

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

/* Responsive adjustments for processing section */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .cost-details {
        grid-template-columns: 1fr;
    }
    
    .results-header {
        flex-direction: column;
        gap: var(--space-3);
        align-items: flex-start;
    }
    
    .result-actions {
        align-self: stretch;
        justify-content: center;
    }
}

/* ========== Responsive Design ========== */
@media (max-width: 1200px) {
    .main-nav .nav-item span {
        display: none;
    }
    
    .main-nav {
        gap: var(--space-1);
    }
    
    .nav-item {
        padding: var(--space-3);
    }
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: var(--space-6) var(--space-4);
    }
    
    .welcome-section {
        flex-direction: column;
        gap: var(--space-6);
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .main-nav {
        display: none;
    }
    
    .dashboard-nav .nav-content {
        padding: 0 var(--space-4);
    }
    
    .quick-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .quick-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .welcome-content h1 {
        font-size: 1.5rem;
    }
    
    .welcome-content p {
        font-size: 1rem;
    }
    
    .stat-card {
        padding: var(--space-4);
    }
    
    .content-section {
        padding: var(--space-4);
    }
}