/**
 * IPD 组件样式
 * 版本: 1.0.0
 * 更新时间: 2026-04-15
 *
 * 组件化 CSS，便于复用和维护
 */

/* ========== 按钮样式 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    font-size: var(--font-size-base);
    font-weight: 400;
    border-radius: var(--border-radius-base);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:hover {
    opacity: 0.9;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

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

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

.btn-default:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
    border-color: #ffa39e;
}

.btn-danger:hover {
    background: var(--color-danger);
    color: white;
}

.btn-success {
    background: var(--color-success);
    color: white;
    border-color: var(--color-success);
}

.btn-warning {
    background: var(--color-warning);
    color: white;
    border-color: var(--color-warning);
}

.btn-sm {
    padding: 4px 10px;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 12px 24px;
    font-size: var(--font-size-lg);
}

/* ========== 卡片样式 ========== */
.card {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    padding: var(--card-padding);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-base);
}

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

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-text-primary);
}

.card-body {
    padding: var(--spacing-sm) 0;
}

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

/* Dashboard 卡片样式 */
.dashboard-card {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    padding: var(--card-padding);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

/* ========== 表单样式 ========== */
.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-label::before {
    content: '';
    display: inline-block;
    margin-right: 4px;
    color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 8px 12px;
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-base);
    transition: border-color var(--transition-fast);
}

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

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

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

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

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

/* ========== 表格样式 ========== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-base);
}

.data-table th,
.data-table td {
    padding: 12px 8px;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.data-table th {
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg);
}

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

.data-table tbody tr:nth-child(even) {
    background: var(--color-bg);
}

/* ========== 模态框样式 ========== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-index-modal);
    animation: fadeIn var(--transition-base);
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    max-width: 90%;
    max-height: 90vh;
    overflow: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp var(--transition-base);
}

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

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 500;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

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

.modal-body {
    padding: var(--spacing-lg);
    max-height: 60vh;
    overflow-y: auto;
}

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

/* ========== 筛选器样式 ========== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
}

.filter-select,
.filter-input {
    padding: 6px 12px;
    font-size: var(--font-size-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-base);
    background: var(--color-bg-white);
    min-width: 120px;
}

.filter-select:focus,
.filter-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ========== 分页器样式 ========== */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-btn {
    min-width: 60px;
}

/* ========== Toast 样式 ========== */
.toast {
    position: fixed;
    top: 80px;
    right: 20px;
    padding: 12px 20px;
    border-radius: var(--border-radius-base);
    color: white;
    z-index: var(--z-index-toast);
    animation: slideIn var(--transition-base);
    box-shadow: var(--shadow-base);
    max-width: 300px;
}

.toast-success {
    background: var(--color-success);
}

.toast-error {
    background: var(--color-danger);
}

.toast-warning {
    background: var(--color-warning);
}

.toast-info {
    background: var(--color-info);
}

/* ========== 空状态 ========== */
.empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-tertiary);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* ========== 加载状态 ========== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xxl);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========== 详情行 ========== */
.detail-row {
    display: flex;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row label {
    width: 120px;
    color: var(--color-text-secondary);
    flex-shrink: 0;
}

.detail-row span {
    flex: 1;
    color: var(--color-text-primary);
}

/* ========== 列表项 ========== */
.list-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
    transition: background var(--transition-fast);
}

.list-item:hover {
    background: var(--color-bg-hover);
}

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

/* ========== 标签页 ========== */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}

.tab-item {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

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

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

/* ========== 徽章 ========== */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 12px;
    font-weight: 500;
    background: var(--color-danger);
    color: white;
    border-radius: 10px;
}

.badge-primary { background: var(--color-primary); }
.badge-success { background: var(--color-success); }
.badge-warning { background: var(--color-warning); }
.badge-danger { background: var(--color-danger); }