/**
 * Solies - 统一组件库
 * 现代化 UI 组件设计
 * 组件包括：按钮、表单、卡片、表格、徽章、提示、模态框等
 */

/* ==================== SVG 图标系统 ==================== */

/* SVG 图标通用样式 - 自动适配主题 */
.nav-svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    /* light 主题：主题蓝色 */
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg) brightness(100%);
    transition: filter var(--transition-fast);
}

[data-theme="dark"] .nav-svg {
    /* dark 主题：主题紫色 */
    filter: brightness(0) invert(1) opacity(1) sepia(1) saturate(3) hue-rotate(220deg);
}

.nav-item:hover .nav-svg,
.nav-item.active .nav-svg {
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg) brightness(120%);
    opacity: 1;
}

[data-theme="dark"] .nav-item:hover .nav-svg,
[data-theme="dark"] .nav-item.active .nav-svg {
    filter: brightness(0) invert(1) opacity(1) sepia(1) saturate(3) hue-rotate(220deg) brightness(120%);
}

/* 品牌 logo SVG - 亮色主题用主题色，暗色主题用白色 */
.brand-svg {
    width: 22px;
    height: 22px;
    /* light: 染成主题蓝色 */
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg) brightness(110%);
}

[data-theme="dark"] .brand-svg {
    /* dark: 染成主题紫色 */
    filter: brightness(0) invert(1) opacity(1) sepia(1) saturate(3) hue-rotate(220deg);
}

/* 下拉菜单小图标 */
.dropdown-svg {
    width: 16px;
    height: 16px;
    /* light 主题：主题蓝色 */
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg);
}

[data-theme="dark"] .dropdown-svg {
    /* dark 主题：主题紫色 */
    filter: brightness(0) invert(1) opacity(1) sepia(1) saturate(3) hue-rotate(220deg);
}



/* ==================== 按钮组件 ==================== */

/* 基础按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

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

.btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 主要按钮 */
.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* 次要按钮 */
.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* 轮廓按钮 */
.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

/* 文字按钮 */
.btn-text {
    background: transparent;
    color: var(--primary-color);
    padding: 8px 12px;
}

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

/* 危险文字按钮 */
.btn-danger-text {
    background: transparent;
    color: var(--error-color);
    padding: 8px 12px;
}

.btn-danger-text:hover:not(:disabled) {
    background: var(--error-light);
}

/* 危险按钮 */
.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #ff6b6b;
}

/* 成功按钮 */
.btn-success {
    background: var(--success-color);
    color: white;
}

/* 警告按钮 */
.btn-warning {
    background: var(--warning-color);
    color: var(--text-inverse);
}

/* 图标按钮 */
.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

.btn-icon-sm {
    width: 28px;
    height: 28px;
    font-size: 12px;
}

.btn-icon-lg {
    width: 48px;
    height: 48px;
    font-size: 20px;
}

/* 按钮尺寸 */
.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* ==================== 表单组件 ==================== */

/* 表单组 */
.form-group {
    margin-bottom: 20px;
}

/* 表单网格布局 - 用于模态框表单 */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group.full-width {
    grid-column: span 2;
}

@media (max-width: 576px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group.full-width {
        grid-column: span 1;
    }
}

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

.form-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-tertiary);
}

.form-error {
    margin-top: 6px;
    font-size: 12px;
    color: var(--error-color);
}

/* 输入框 */
.form-input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
input[type="tel"],
input[type="url"],
input[type="date"],
input[type="time"],
input[type="datetime-local"] {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:hover,
input:hover {
    border-color: var(--border-hover);
}

.form-input:focus,
input:focus {
    border-color: var(--primary-color);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input::placeholder,
input::placeholder {
    color: var(--text-tertiary);
}

.form-input:disabled,
input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 输入框大小 */
.input-sm {
    padding: 8px 12px;
    font-size: 13px;
}

.input-lg {
    padding: 14px 20px;
    font-size: 16px;
}

/* 带图标的输入框 */
.input-with-icon {
    position: relative;
}

.input-with-icon .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.input-with-icon .form-input,
.input-with-icon input {
    padding-left: 44px;
}

/* 文本域 */
textarea.form-input,
textarea {
    font-family: inherit;
    min-height: 120px;
    resize: vertical;
}

/* 日期选择器 - 使用系统字体统一显示 */
input[type="date"],
input[type="time"],
input[type="datetime-local"] {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    color-scheme: light dark; /* 支持系统深浅色 */
}

/* 日期选择器图标样式 - 暗黑模式适配 */
::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
    filter: var(--date-icon-filter, none); /* 使用 CSS 变量控制 */
}

::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* 暗黑模式下日期图标变白 */
[data-theme="dark"] ::-webkit-calendar-picker-indicator,
:root:not([data-theme="light"]) ::-webkit-calendar-picker-indicator {
    filter: invert(1) brightness(1.2);
}

/* 下拉选择框 */
.form-select,
select {
    width: 100%;
    padding: 12px 40px 12px 16px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b92a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

select:hover {
    border-color: var(--border-hover);
}

select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* ========== 自定义主题下拉组件 ========== */

/* select 自身成为容器，隐藏原生箭头，用 trigger 覆盖 */
.custom-select-trigger {
    /* 覆盖原生 select 样式，保持与输入框一致的 padding */
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 16px !important;
    padding-right: 36px !important;
    background-image: none !important;
    cursor: pointer;
    user-select: none;
    box-sizing: border-box;
    position: relative;
    flex-shrink: 0 !important;
}

.custom-select-trigger:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.custom-select-trigger.open {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.custom-select-value {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 60px;
}

.custom-select-arrow {
    width: 14px;
    height: 14px;
    color: var(--text-tertiary);
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.custom-select-trigger.open .custom-select-arrow {
    transform: rotate(180deg);
}

.custom-select-dropdown {
    display: none;
    position: fixed;
    min-width: 120px !important;
    max-height: 320px;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    z-index: 99999 !important;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
    box-sizing: border-box;
    padding: 6px 0;
}

.custom-select-dropdown::-webkit-scrollbar {
    width: 6px;
}

.custom-select-dropdown::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.custom-select-dropdown.show {
    display: block;
    animation: selectDropIn 0.15s ease;
}

@keyframes selectDropIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.custom-select-option {
    padding: 12px 16px;
    font-size: 14px;
    line-height: 1.4;
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.custom-select-option:hover:not(.disabled),
.custom-select-option.highlighted:not(.disabled) {
    background: var(--primary-light);
    color: var(--primary-color);
}

.custom-select-option.selected {
    background: var(--primary-light);
    color: var(--primary-color);
    font-weight: 500;
}

.custom-select-option.disabled {
    color: var(--text-tertiary);
    cursor: not-allowed;
    opacity: 0.5;
}

/* 复选框 */
.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.checkbox-wrapper input:checked + .checkbox-custom {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-wrapper input:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* 单选按钮 */
.radio-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.radio-wrapper input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast);
}

.radio-wrapper input:checked + .radio-custom {
    border-color: var(--primary-color);
}

.radio-wrapper input:checked + .radio-custom::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50%;
}

/* 开关 */
.switch-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.switch {
    width: 44px;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    position: relative;
    transition: background var(--transition-fast);
}

.switch::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.switch-wrapper input:checked + .switch {
    background: var(--primary-color);
}

.switch-wrapper input:checked + .switch::after {
    transform: translateX(20px);
}

/* ==================== 卡片组件 ==================== */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: box-shadow var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-elevated {
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    color: var(--text-secondary);
}

.card-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: 12px;
}

/* 统计卡片 */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--primary-light);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.stat-change {
    font-size: 12px;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

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

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

/* ==================== 表格组件 ==================== */

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

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

.table th,
.table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.table td {
    color: var(--text-secondary);
    background: var(--bg-card);
}

.table tbody tr {
    transition: background var(--transition-fast);
}

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

.table tbody tr:last-child td {
    border-bottom: none;
}

.table .actions {
    display: flex;
    gap: 8px;
}

/* 表格响应式 */
@media (max-width: 768px) {
    .table-container {
        border-radius: var(--radius-md);
    }
    
    .table th,
    .table td {
        padding: 10px 12px;
    }
}

/* ==================== 徽章组件 ==================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary-color);
}

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

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

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

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

.badge-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* 状态点 */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online {
    background: var(--success-color);
    box-shadow: 0 0 0 3px var(--success-light);
}

.status-dot.offline {
    background: var(--text-tertiary);
}

.status-dot.busy {
    background: var(--warning-color);
    box-shadow: 0 0 0 3px var(--warning-light);
}

/* ==================== 标签页组件 ==================== */

.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.tab-item {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
    margin-bottom: -1px;
}

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

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

.tab-content {
    display: none;
}

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

/* ==================== 模态框组件 ==================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal);
    will-change: opacity;
}

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

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-xl);
    will-change: transform;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-lg {
    max-width: 700px;
}

.modal-sm {
    max-width: 380px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

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

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

/* ==================== Toast 消息组件 ==================== */

.toast-container {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    min-width: 300px;
    max-width: 450px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: toastIn 0.3s ease;
}

.toast.toast-out {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toastOut {
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-icon {
    font-size: 24px;
    line-height: 1;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.toast-message {
    font-size: 14px;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
}

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

.toast.success .toast-icon { color: var(--success-color); }
.toast.warning .toast-icon { color: var(--warning-color); }
.toast.error .toast-icon { color: var(--error-color); }
.toast.info .toast-icon { color: var(--info-color); }

/* ==================== 加载动画 ==================== */

/* 全屏加载遮罩 */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

/* 局部加载遮罩（嵌在容器内部，非全屏） */
.loading-overlay-local {
    position: absolute;
    inset: 0;
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 1;
    transition: opacity 0.4s ease;
}

.loading-overlay-local.hidden {
    opacity: 0;
    pointer-events: none;
}

/* 三环旋转动画容器 */
.loading-spinner {
    position: relative;
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
}

/* 同心环 */
.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spinner-rotate 1.2s linear infinite;
}

.spinner-ring:nth-child(1) {
    animation-delay: 0s;
}

.spinner-ring:nth-child(2) {
    width: 75%;
    height: 75%;
    top: 12.5%;
    left: 12.5%;
    border-top-color: var(--accent-color);
    animation-delay: 0.1s;
}

.spinner-ring:nth-child(3) {
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
    border-top-color: var(--text-tertiary);
    animation-delay: 0.2s;
}

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

/* 加载文字脉冲动画 */
.loading-text {
    color: var(--text-tertiary);
    font-size: 14px;
    animation: loading-pulse 1.5s ease-in-out infinite;
}

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

/* ==================== 导航栏组件 ==================== */

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-icon {
    font-size: 24px;
}

.brand-text {
    font-size: 20px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-left,
.navbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 侧边栏切换按钮 */
.sidebar-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--bg-hover);
}

.toggle-icon {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
}

.toggle-icon::before,
.toggle-icon::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    left: 0;
}

.toggle-icon::before { top: -6px; }
.toggle-icon::after { bottom: -6px; }

/* 主题切换按钮 */
.theme-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 18px;
    transition: background var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-hover);
}

/* 主题切换SVG图标 */
.theme-svg {
    width: 20px;
    height: 20px;
    transition: filter var(--transition-fast), opacity var(--transition-fast);
}

/* 亮色主题：显示moon图标（染蓝），暗色时隐藏 */
.theme-svg-dark {
    display: block;
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg) brightness(100%);
}
.theme-svg-light {
    display: none;
}

/* 暗色主题：显示sun图标（染紫），亮色时隐藏 */
[data-theme="dark"] .theme-svg-dark {
    display: none;
}
[data-theme="dark"] .theme-svg-light {
    display: block;
    filter: brightness(0) invert(1) opacity(1) sepia(1) saturate(3) hue-rotate(220deg);
}

.theme-toggle:active .theme-svg {
    transform: rotate(180deg);
}

/* 用户菜单 */
.user-menu {
    position: relative;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    font-weight: 600;
    font-size: 14px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.user-avatar:hover {
    transform: scale(1.05);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
    z-index: 100;
}

.user-menu.active .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-info {
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

.user-role {
    font-size: 12px;
    color: var(--text-tertiary);
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
}

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

.dropdown-icon {
    font-size: 16px;
}

/* ==================== 侧边栏导航 ==================== */

.sidebar-nav {
    padding: 16px 12px;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    display: block;
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast), color var(--transition-fast);
    margin-bottom: 4px;
}

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

.nav-item.active {
    background: var(--primary-light);
    color: var(--primary-color);
    font-weight: 500;
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.nav-text {
    font-size: 14px;
    white-space: nowrap;
    opacity: 1;
    transition: opacity 0.2s ease, width 0.25s ease;
    width: auto;
    overflow: hidden;
}

/* 侧边栏折叠状态下隐藏文字 - 使用opacity过渡动画 */
.sidebar.collapsed .nav-text,
.sidebar.collapsed .nav-section-title {
    opacity: 0;
    width: 0;
    pointer-events: none;
}

/* 侧边栏折叠状态下调整图标位置 */
.sidebar.collapsed .sidebar-nav {
    padding: 16px 0;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 12px 0;
}

/* 底部固定菜单文字 */
.nav-bottom .nav-text {
    transition: opacity 0.2s ease 0.1s, width 0.25s ease 0.1s;
}

.sidebar.collapsed .nav-bottom .nav-text {
    opacity: 0;
    width: 0;
}

/* 分隔线也加过渡 */
.nav-section-title {
    transition: opacity 0.2s ease;
}

/* 底部固定菜单 */
.nav-bottom {
    margin-top: auto;
    padding-top: 8px;
}

.nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 12px 12px;
}

/* ==================== 页面标题区 ==================== */

.page-header {
    margin-bottom: 24px;
}

.page-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.page-header-subtitle {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.page-header-actions {
    display: flex;
    gap: 12px;
}

/* ==================== 空状态 ==================== */

.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-description {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 24px;
}

/* ==================== 分页组件 ==================== */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.pagination-item {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.pagination-item:hover:not(.active):not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--primary-color);
}

.pagination-item.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

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

.pagination-info {
    font-size: 13px;
    color: var(--text-tertiary);
    text-align: center;
    margin-top: 8px;
}

.pagination-info .pagination-num {
    color: var(--primary-color);
    font-weight: 600;
}

/* ==================== 搜索框 ==================== */

.search-box {
    position: relative;
    width: 280px;
}

.search-box .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

.search-box input {
    padding-left: 42px;
    width: 100%;
}

/* ==================== 网格布局 ==================== */

.grid {
    display: grid;
    gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ==================== 辅助工具类 ==================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--error-color); }
.text-info { color: var(--info-color); }

.bg-primary { background: var(--primary-light); }
.bg-success { background: var(--success-light); }
.bg-warning { background: var(--warning-light); }
.bg-danger { background: var(--error-light); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }

/* ==================== 扩展图标样式类 ==================== */

/* 统计卡片图标 - 自动适配主题色 */
.stat-icon-svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    /* light 主题：白色 */
    filter: brightness(0) invert(1);
    transition: filter var(--transition-fast);
}

[data-theme="dark"] .stat-icon-svg {
    /* dark 主题：主题紫色 */
    filter: brightness(0) invert(1) sepia(1) saturate(3) hue-rotate(220deg);
}

/* 操作按钮图标（编辑/删除/查看等） */
.action-svg {
    width: 16px;
    height: 16px;
    /* light 主题：主题蓝色 */
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg);
    transition: filter var(--transition-fast);
    flex-shrink: 0;
}

/* primary 按钮内的 action-svg 强制白色（确保可见性） */
.btn-primary .action-svg,
.btn-primary img[class*="svg"],
.btn-primary > img {
    filter: brightness(0) invert(1);
}
[data-theme="dark"] .btn-primary .action-svg,
[data-theme="dark"] .btn-primary img[class*="svg"],
[data-theme="dark"] .btn-primary > img {
    filter: brightness(0) invert(1);
}

[data-theme="dark"] .action-svg {
    /* dark 主题：主题紫色 */
    filter: brightness(0) invert(1) opacity(1) sepia(1) saturate(3) hue-rotate(220deg);
}

.btn:hover .action-svg,
.btn-action:hover .action-svg {
    opacity: 1;
}

/* 危险按钮中的删除图标 */
.btn-danger .action-svg,
.btn-outline-danger .action-svg {
    filter: brightness(0) saturate(100%) invert(25%) sepia(80%) saturate(1500%) hue-rotate(330deg);
}
[data-theme="dark"] .btn-danger .action-svg,
[data-theme="dark"] .btn-outline-danger .action-svg {
    filter: brightness(0) saturate(100%) invert(35%) sepia(80%) saturate(800%) hue-rotate(330deg) brightness(130%);
}

/* 登录页输入框图标 */
.input-svg {
    width: 20px;
    height: 20px;
    /* 默认：染成主题色 */
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg);
    flex-shrink: 0;
    transition: filter var(--transition-fast);
    object-fit: contain;
}

/* 暗黑模式：染成主题紫色 */
[data-theme="dark"] .input-svg {
    filter: brightness(0) invert(1) opacity(1) sepia(1) saturate(3) hue-rotate(220deg);
}

/* 聚焦时高亮 */
.input-wrapper:focus-within .input-svg {
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg) brightness(120%);
}

[data-theme="dark"] .input-wrapper:focus-within .input-svg {
    filter: brightness(0) invert(1) opacity(1) sepia(1) saturate(3) hue-rotate(220deg) brightness(120%);
}

.form-input:focus ~ .input-svg,
.input-wrapper:focus-within .input-svg {
    /* 焦点状态：主题色高亮（蓝色） */
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg);
    opacity: 1;
}

[data-theme="dark"] .form-input:focus ~ .input-svg,
[data-theme="dark"] .input-wrapper:focus-within .input-svg {
    /* 暗黑模式焦点状态：主题色高亮（紫色） */
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg);
}

/* 列表/表格行内小图标 */
.inline-svg {
    width: 14px;
    height: 14px;
    vertical-align: middle;
    /* light 主题：主题蓝色 */
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg);
    margin-right: 4px;
    flex-shrink: 0;
}

[data-theme="dark"] .inline-svg {
    /* dark 主题：主题紫色 */
    filter: brightness(0) invert(1) opacity(1) sepia(1) saturate(3) hue-rotate(220deg);
}

/* ========== 日期选择器样式 ========== */
.date-picker, .month-picker, .date-range-picker {
    cursor: pointer;
    background: var(--bg-card);
}

/* 日历容器 */
.theme-datepicker {
    position: fixed;
    z-index: 9999;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 16px;
    width: 320px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.theme-datepicker.range-mode {
    width: 620px;
}

.theme-datepicker.show {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* 日历头部 */
.datepicker-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.datepicker-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 8px;
}

.datepicker-nav {
    display: flex;
    gap: 8px;
}

.datepicker-nav button {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.datepicker-nav button:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

/* 年份导航按钮 <<  >> */
.datepicker-nav .year-nav {
    background: var(--primary-color);
    color: #fff;
    font-weight: 700;
    opacity: 0.85;
}

.datepicker-nav .year-nav:hover {
    opacity: 1;
    background: var(--primary-color);
    color: #fff;
}

/* 导航按钮图标：内联 SVG，通过 currentColor 自适应明暗主题 */
.datepicker-nav button .nav-icon {
    width: 16px;
    height: 16px;
    display: block;
}

/* 星期标题 */
.datepicker-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.datepicker-weekday {
    text-align: center;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-tertiary);
    padding: 4px 0;
}

/* 日期网格 */
.datepicker-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.datepicker-day {
    aspect-ratio: 1;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.datepicker-day:hover:not(.disabled):not(.empty) {
    background: var(--primary-light);
    color: var(--primary-color);
}

.datepicker-day.today {
    border: 2px solid var(--primary-color);
}

.datepicker-day.selected {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.datepicker-day.in-range {
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 0;
}

.datepicker-day.range-start {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.datepicker-day.range-end {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.datepicker-day.disabled {
    color: var(--text-tertiary);
    cursor: not-allowed;
    opacity: 0.5;
}

.datepicker-day.empty {
    cursor: default;
}

/* 月份选择器 */
.datepicker-months {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.datepicker-month {
    padding: 12px 8px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.datepicker-month:hover:not(.disabled) {
    background: var(--primary-light);
    color: var(--primary-color);
}

.datepicker-month.selected {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.datepicker-month.disabled {
    color: var(--text-tertiary);
    cursor: not-allowed;
    opacity: 0.5;
}

/* 年份导航 */
.datepicker-year-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

.datepicker-year-btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.datepicker-year-btn:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

/* 范围选择器双日历布局 */
.theme-datepicker.range-mode {
    width: 640px;
}

.datepicker-range-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.datepicker-calendar {
    padding: 0;
}

.datepicker-calendar:first-child {
    padding-right: 16px;
    border-right: 1px solid var(--border-light);
}

.datepicker-calendar:last-child {
    padding-left: 16px;
}

/* 日期范围选择器容器宽度 */
.theme-datepicker:has(.datepicker-range-container) {
    width: 640px;
}

/* ==================== 月份范围选择器 ==================== */
.month-range-picker {
    position: relative;
    display: inline-block;
}

.month-range-input {
    cursor: pointer;
    background: var(--bg-card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%23999'/%3E%3C/svg%3E") no-repeat right 10px center;
    padding-right: 30px;
}

.month-range-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 1000;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 12px;
    min-width: 520px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.month-range-dropdown.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.month-range-panels {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
}

.month-panel {
    flex: 1;
}

.month-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    padding: 0 4px;
}

.month-panel-year {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.month-nav-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all var(--transition-fast);
}

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

.month-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
}

.month-cell {
    padding: 8px 4px;
    text-align: center;
    font-size: 13px;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.month-cell:hover {
    background: rgba(24, 144, 255, 0.08);
}

[data-theme="dark"] .month-cell:hover {
    background: rgba(167, 139, 250, 0.15);
}

.month-cell.disabled {
    color: var(--text-tertiary);
    cursor: not-allowed;
    opacity: 0.4;
}

.month-cell.disabled:hover {
    background: transparent;
}

.month-cell.selected {
    background: var(--primary-color) !important;
    color: #fff !important;
    font-weight: 600;
}

.month-cell.in-range {
    background: rgba(24, 144, 255, 0.15);
    color: var(--text-primary);
}

[data-theme="dark"] .month-cell.in-range {
    background: rgba(167, 139, 250, 0.2);
}

.month-cell.range-start,
.month-cell.range-end {
    background: var(--primary-color) !important;
    color: #fff !important;
    font-weight: 600;
}