/* ============================================================================
   Component Styles - 创大国际记账机器人 Web Frontend
   ============================================================================ */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-danger {
    background-color: var(--error-color);
    color: #fff;
}

.btn-danger:hover:not(:disabled) {
    background-color: #ff7875;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    background-color: var(--bg-secondary);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-primary);
    transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--bg-tertiary);
    cursor: not-allowed;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: 0.75rem;
    color: var(--error-color);
    margin-top: var(--spacing-xs);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.table th {
    font-weight: 600;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr:hover {
    background-color: var(--bg-secondary);
}

.table-empty {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-value.positive {
    color: var(--success-color);
}

.stat-value.negative {
    color: var(--error-color);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 10px;
}

.badge-success {
    background-color: #f6ffed;
    color: var(--success-color);
}

.badge-warning {
    background-color: #fffbe6;
    color: var(--warning-color);
}

.badge-error {
    background-color: #fff2f0;
    color: var(--error-color);
}

.badge-info {
    background-color: #e6f7ff;
    color: var(--info-color);
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 0;
}

.tab {
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.tab:hover {
    color: var(--primary-color);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition-fast);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
}

.pagination-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    margin: var(--spacing-md);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-logo {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.login-title {
    font-size: 1.25rem;
    margin: 0;
}

/* Transaction List */
.transaction-list {
    margin-bottom: var(--spacing-lg);
}

.transaction-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.transaction-item:last-child {
    border-bottom: none;
}

.transaction-info {
    flex: 1;
}

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

.transaction-amount {
    font-weight: 600;
}

.transaction-amount.income {
    color: var(--success-color);
}

.transaction-amount.expense {
    color: var(--error-color);
}

.transaction-amount.cancelled {
    color: var(--text-muted);
    text-decoration: line-through;
}

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

.transaction-usdt {
    font-weight: 600;
    text-align: right;
}

/* Summary Section */
.summary-section {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.summary-row:last-child {
    border-bottom: none;
    font-weight: 600;
}

.summary-label {
    color: var(--text-secondary);
}

.summary-value {
    font-weight: 500;
}

/* Transaction Table */
.transaction-table {
    font-size: 0.875rem;
    margin-top: 0;
}

.transaction-table th {
    white-space: nowrap;
    font-size: 0.75rem;
    padding: var(--spacing-sm) var(--spacing-md);
}

.transaction-table td {
    padding: var(--spacing-sm) var(--spacing-md);
}

.transaction-table td {
    vertical-align: middle;
}

.transaction-row.income .tx-amount,
.transaction-row.income .tx-usdt {
    color: var(--success-color);
    font-weight: 600;
}

.transaction-row.expense .tx-amount,
.transaction-row.expense .tx-usdt {
    color: var(--error-color);
    font-weight: 600;
}

.transaction-row.cancelled .tx-amount,
.transaction-row.cancelled .tx-usdt {
    color: var(--text-muted);
    text-decoration: line-through;
}

.tx-time {
    white-space: nowrap;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.tx-rate,
.tx-fee {
    text-align: center;
}

.tx-usdt {
    text-align: right;
    font-weight: 600;
}

.tx-operator {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tx-remark {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .filters {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-group .form-input,
    .filter-group .form-select {
        flex: 1;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
        font-size: 0.75rem;
    }
    
    /* Transaction table mobile */
    .transaction-table {
        font-size: 0.75rem;
    }
    
    .transaction-table th,
    .transaction-table td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .tx-operator,
    .tx-remark {
        max-width: 80px;
    }
}


/* Archive Modal - Full page responsive */
#archive-detail-modal.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

#archive-detail-modal .modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 1200px;
    height: 90vh;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

#archive-detail-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
}

#archive-detail-modal .modal-header h3 {
    margin: 0;
}

#archive-modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

#archive-modal-body .table-container {
    max-height: none;
    overflow-y: visible;
}

/* Small button variant */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}


/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
}

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

.status-badge.warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.status-badge.negative {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}