/**
 * WUI - Web UI Framework Styles
 * 基础样式文件
 */

/* CSS Variables */
:root {
    --wui-bg-color: #fff;
    --wui-text-color: #333;
    --wui-primary-color: #4080ff;
    --wui-secondary-color: #6c757d;
    --wui-success-color: #28a745;
    --wui-warning-color: #ffc107;
    --wui-danger-color: #dc3545;
    --wui-border-color: #d9d9d9;
    --wui-border-radius: 6px;
    --wui-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

/* Base */
.wui-component {
    display: inline-block;
    font-family: var(--wui-font-family);
}

/* Button */
.wui-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    border: 1px solid transparent;
    border-radius: var(--wui-border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--wui-bg-color);
    color: var(--wui-text-color);
    outline: none;
    white-space: nowrap;
}

.wui-btn:hover:not(:disabled) {
    opacity: 0.85;
}

.wui-btn:active:not(:disabled) {
    transform: translateY(1px);
}

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

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

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

.wui-btn--success {
    background: var(--wui-success-color);
    border-color: var(--wui-success-color);
    color: #fff;
}

.wui-btn--warning {
    background: var(--wui-warning-color);
    border-color: var(--wui-warning-color);
    color: #333;
}

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

.wui-btn--link {
    background: transparent;
    border-color: transparent;
    color: var(--wui-primary-color);
    padding: 4px 8px;
}

.wui-btn--text {
    background: transparent;
    border-color: transparent;
    color: var(--wui-text-color);
    padding: 4px 8px;
}

.wui-btn--small {
    padding: 4px 12px;
    font-size: 12px;
}

.wui-btn--medium {
    padding: 8px 16px;
    font-size: 14px;
}

.wui-btn--large {
    padding: 12px 24px;
    font-size: 16px;
}

.wui-btn--block {
    display: flex;
    width: 100%;
}

.wui-btn--loading {
    cursor: default;
}

.wui-btn__loading {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: wui-btn-spin 0.8s linear infinite;
}

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

/* Input */
.wui-input {
    display: inline-block;
    width: 100%;
    position: relative;
}

.wui-input__wrapper {
    display: flex;
    align-items: center;
    width: 100%;
    border: 1px solid var(--wui-border-color);
    border-radius: var(--wui-border-radius);
    background: var(--wui-bg-color);
    transition: all 0.2s;
}

.wui-input__wrapper:hover {
    border-color: var(--wui-primary-color);
}

.wui-input--focused .wui-input__wrapper {
    border-color: var(--wui-primary-color);
    box-shadow: 0 0 0 2px rgba(64, 128, 255, 0.1);
}

.wui-input--disabled .wui-input__wrapper {
    background: #f5f5f5;
    cursor: not-allowed;
}

.wui-input__inner {
    flex: 1;
    padding: 8px 12px;
    border: none;
    background: transparent;
    font-size: 14px;
    color: var(--wui-text-color);
    outline: none;
}

.wui-input__inner::placeholder {
    color: #999;
}

.wui-input__prefix,
.wui-input__suffix {
    display: flex;
    align-items: center;
    padding: 0 12px;
    color: #999;
}

/* Card */
.wui-card {
    background: var(--wui-bg-color);
    border: 1px solid var(--wui-border-color);
    border-radius: var(--wui-border-radius);
    overflow: hidden;
}

.wui-card__header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--wui-border-color);
    font-weight: 600;
}

.wui-card__body {
    padding: 20px;
}

.wui-card__footer {
    padding: 12px 20px;
    border-top: 1px solid var(--wui-border-color);
    background: #f8f9fa;
}

/* Layout */
.wui-row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -8px;
}

.wui-col {
    flex: 1;
    padding: 0 8px;
}

.wui-col-1 { flex: 0 0 8.333333%; }
.wui-col-2 { flex: 0 0 16.666667%; }
.wui-col-3 { flex: 0 0 25%; }
.wui-col-4 { flex: 0 0 33.333333%; }
.wui-col-5 { flex: 0 0 41.666667%; }
.wui-col-6 { flex: 0 0 50%; }
.wui-col-7 { flex: 0 0 58.333333%; }
.wui-col-8 { flex: 0 0 66.666667%; }
.wui-col-9 { flex: 0 0 75%; }
.wui-col-10 { flex: 0 0 83.333333%; }
.wui-col-11 { flex: 0 0 91.666667%; }
.wui-col-12 { flex: 0 0 100%; }

/* Container */
.wui-container {
    width: 100%;
    padding: 0 16px;
    margin: 0 auto;
}

/* 注释掉 max-width 限制，让容器可以根据需要自由调整大小 */
/*
@media (min-width: 576px) {
    .wui-container { max-width: 540px; }
}

@media (min-width: 768px) {
    .wui-container { max-width: 720px; }
}

@media (min-width: 992px) {
    .wui-container { max-width: 960px; }
}

@media (min-width: 1200px) {
    .wui-container { max-width: 1140px; }
}
*/

/* Space */
.wui-space {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.wui-space--small { gap: 4px; }
.wui-space--medium { gap: 8px; }
.wui-space--large { gap: 16px; }

/* Divider */
.wui-divider {
    display: flex;
    align-items: center;
    margin: 16px 0;
    color: #999;
    font-size: 14px;
}

.wui-divider::before,
.wui-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--wui-border-color);
}

.wui-divider--horizontal::before {
    margin-right: 16px;
}

.wui-divider--horizontal::after {
    margin-left: 16px;
}

.wui-divider--vertical {
    display: inline-block;
    width: 1px;
    height: 1em;
    margin: 0 8px;
    vertical-align: middle;
}

/* Badge */
.wui-badge {
    position: relative;
    display: inline-block;
}

.wui-badge__content {
    position: absolute;
    top: 0;
    right: 0;
    transform: translate(50%, -50%);
    padding: 2px 6px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    color: #fff;
    background: var(--wui-danger-color);
    border-radius: 10px;
    white-space: nowrap;
}

/* Tag */
.wui-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    border-radius: 4px;
    background: #f0f0f0;
    color: #666;
}

.wui-tag--primary {
    background: rgba(64, 128, 255, 0.1);
    color: var(--wui-primary-color);
}

.wui-tag--success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--wui-success-color);
}

.wui-tag--warning {
    background: rgba(255, 193, 7, 0.1);
    color: #d4a00a;
}

.wui-tag--danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--wui-danger-color);
}

/* Alert */
.wui-alert {
    padding: 12px 16px;
    border-radius: var(--wui-border-radius);
    border: 1px solid transparent;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.wui-alert--info {
    background: #e6f7ff;
    border-color: #91d5ff;
    color: #096dd9;
}

.wui-alert--success {
    background: #f6ffed;
    border-color: #b7eb8f;
    color: #389e0d;
}

.wui-alert--warning {
    background: #fffbe6;
    border-color: #ffe58f;
    color: #d48806;
}

.wui-alert--error {
    background: #fff2f0;
    border-color: #ffccc7;
    color: #cf1322;
}

/* Modal */
.wui-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wui-modal__mask {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
}

.wui-modal__content {
    position: relative;
    background: var(--wui-bg-color);
    border-radius: var(--wui-border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 90%;
    max-height: 90vh;
    overflow: hidden;
}

.wui-modal__header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--wui-border-color);
    font-weight: 600;
    font-size: 16px;
}

.wui-modal__body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(90vh - 120px);
}

.wui-modal__footer {
    padding: 12px 24px;
    border-top: 1px solid var(--wui-border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Table */
.wui-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.wui-table th,
.wui-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--wui-border-color);
}

.wui-table th {
    font-weight: 600;
    background: #fafafa;
}

.wui-table tbody tr:hover {
    background: #f5f5f5;
}

/* Pagination */
.wui-pagination {
    display: flex;
    align-items: center;
    gap: 8px;
}

.wui-pagination__item {
    min-width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    border: 1px solid var(--wui-border-color);
    border-radius: var(--wui-border-radius);
    background: var(--wui-bg-color);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.wui-pagination__item:hover {
    border-color: var(--wui-primary-color);
    color: var(--wui-primary-color);
}

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

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

/* Form */
.wui-form-item {
    margin-bottom: 20px;
}

.wui-form-item__label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--wui-text-color);
}

.wui-form-item__error {
    margin-top: 4px;
    font-size: 12px;
    color: var(--wui-danger-color);
}

/* Select */
.wui-select {
    display: inline-block;
    width: 100%;
    position: relative;
}

.wui-select__wrapper {
    display: flex;
    align-items: center;
    width: 100%;
    border: 1px solid var(--wui-border-color);
    border-radius: var(--wui-border-radius);
    background: var(--wui-bg-color);
    cursor: pointer;
    transition: all 0.2s;
}

.wui-select__wrapper:hover {
    border-color: var(--wui-primary-color);
}

.wui-select__inner {
    flex: 1;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--wui-text-color);
}

.wui-select__arrow {
    padding: 0 12px;
    color: #999;
}

/* Checkbox & Radio */
.wui-checkbox,
.wui-radio {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
}

.wui-checkbox__input,
.wui-radio__input {
    width: 16px;
    height: 16px;
    border: 1px solid var(--wui-border-color);
    transition: all 0.2s;
}

.wui-checkbox__input {
    border-radius: 3px;
}

.wui-radio__input {
    border-radius: 50%;
}

.wui-checkbox--checked .wui-checkbox__input,
.wui-radio--checked .wui-radio__input {
    background: var(--wui-primary-color);
    border-color: var(--wui-primary-color);
}

/* Switch */
.wui-switch {
    display: inline-flex;
    align-items: center;
    width: 44px;
    height: 22px;
    border-radius: 11px;
    background: #ccc;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.wui-switch--checked {
    background: var(--wui-primary-color);
}

.wui-switch__handle {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    position: absolute;
    left: 2px;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.wui-switch--checked .wui-switch__handle {
    left: 24px;
}

/* Tooltip */
.wui-tooltip {
    position: relative;
}

.wui-tooltip__content {
    position: absolute;
    padding: 6px 12px;
    background: #333;
    color: #fff;
    font-size: 12px;
    border-radius: 4px;
    white-space: nowrap;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

.wui-tooltip:hover .wui-tooltip__content {
    opacity: 1;
    visibility: visible;
}

/* Avatar */
.wui-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--wui-primary-color);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
}

.wui-avatar--small { width: 24px; height: 24px; font-size: 12px; }
.wui-avatar--large { width: 56px; height: 56px; font-size: 18px; }

/* Progress */
.wui-progress {
    width: 100%;
    height: 8px;
    background: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
}

.wui-progress__bar {
    height: 100%;
    background: var(--wui-primary-color);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.wui-progress--success .wui-progress__bar { background: var(--wui-success-color); }
.wui-progress--warning .wui-progress__bar { background: var(--wui-warning-color); }
.wui-progress--error .wui-progress__bar { background: var(--wui-danger-color); }

/* Skeleton */
.wui-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: wui-skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes wui-skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Empty */
.wui-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: #999;
}

.wui-empty__image {
    width: 120px;
    height: 120px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.wui-empty__description {
    font-size: 14px;
}

/* Spin */
.wui-spin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.wui-spin__icon {
    width: 20px;
    height: 20px;
    border: 2px solid var(--wui-border-color);
    border-top-color: var(--wui-primary-color);
    border-radius: 50%;
    animation: wui-spin-rotate 0.8s linear infinite;
}

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

/* Breadcrumb */
.wui-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.wui-breadcrumb__item {
    color: #666;
}

.wui-breadcrumb__item--active {
    color: var(--wui-text-color);
    font-weight: 500;
}

.wui-breadcrumb__separator {
    color: #999;
}

/* Dropdown */
.wui-dropdown {
    position: relative;
    display: inline-block;
}

.wui-dropdown__menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 160px;
    background: var(--wui-bg-color);
    border: 1px solid var(--wui-border-color);
    border-radius: var(--wui-border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s;
}

.wui-dropdown--open .wui-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.wui-dropdown__item {
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.wui-dropdown__item:hover {
    background: #f5f5f5;
}

/* Tabs */
.wui-tabs {
    display: flex;
    flex-direction: column;
}

.wui-tabs__nav {
    display: flex;
    border-bottom: 1px solid var(--wui-border-color);
}

.wui-tabs__tab {
    padding: 12px 20px;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

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

.wui-tabs__tab--active {
    color: var(--wui-primary-color);
    border-bottom-color: var(--wui-primary-color);
    font-weight: 500;
}

.wui-tabs__content {
    padding: 16px 0;
}

/* Collapse */
.wui-collapse {
    border: 1px solid var(--wui-border-color);
    border-radius: var(--wui-border-radius);
    overflow: hidden;
}

.wui-collapse__item {
    border-bottom: 1px solid var(--wui-border-color);
}

.wui-collapse__item:last-child {
    border-bottom: none;
}

.wui-collapse__header {
    padding: 12px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
    transition: all 0.2s;
}

.wui-collapse__header:hover {
    background: #f5f5f5;
}

.wui-collapse__content {
    padding: 16px;
    display: none;
}

.wui-collapse__item--active .wui-collapse__content {
    display: block;
}

/* DatePicker */
.wui-datepicker {
    display: inline-block;
    position: relative;
}

.wui-datepicker__input {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--wui-border-color);
    border-radius: var(--wui-border-radius);
    cursor: pointer;
    transition: all 0.2s;
}

.wui-datepicker__input:hover {
    border-color: var(--wui-primary-color);
}

/* TimePicker */
.wui-timepicker {
    display: inline-block;
    position: relative;
}

.wui-timepicker__input {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--wui-border-color);
    border-radius: var(--wui-border-radius);
    cursor: pointer;
    transition: all 0.2s;
}

/* Textarea */
.wui-textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--wui-border-color);
    border-radius: var(--wui-border-radius);
    font-size: 14px;
    line-height: 1.5;
    resize: vertical;
    min-height: 80px;
    transition: all 0.2s;
}

.wui-textarea:focus {
    outline: none;
    border-color: var(--wui-primary-color);
    box-shadow: 0 0 0 2px rgba(64, 128, 255, 0.1);
}

/* Toast */
.wui-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    background: #333;
    color: #fff;
    border-radius: var(--wui-border-radius);
    font-size: 14px;
    z-index: 10000;
    animation: wui-toast-in 0.3s ease;
}

@keyframes wui-toast-in {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* FileExplorer */
.wui-file-explorer {
    font-size: 14px;
}

.wui-file-explorer__item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
}

.wui-file-explorer__item:hover {
    background: #f5f5f5;
}

.wui-file-explorer__item--selected {
    background: #e6f7ff;
    color: var(--wui-primary-color);
}

.wui-file-explorer__icon {
    margin-right: 8px;
    font-size: 16px;
}