/* 组件样式 */

/* 顶部栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--gradient-header);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-lg);
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header-left .logo {
    font-size: 18px;
    font-weight: 500;
    color: white;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-right .username {
    color: rgba(255, 255, 255, 0.9);
}

.btn-logout {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 12px;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 主体容器 */
.main-container {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: var(--gradient-surface);
    border-right: 1px solid var(--color-border-light);
    overflow-y: auto;
    height: calc(100vh - var(--header-height));
}

/* 一级菜单（概览）*/
.nav-item.nav-top {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    transition: all 0.2s;
}

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

.nav-item.nav-top.active {
    background: rgba(74, 124, 155, 0.1);
    color: var(--color-primary);
    border-left: 3px solid var(--color-primary);
    padding-left: calc(var(--spacing-lg) - 3px);
}

/* 导航分组 */
.nav-group {
    margin-bottom: var(--spacing-xs);
}

/* 导航标题（一级菜单）*/
.nav-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-primary);
    cursor: pointer;
    user-select: none;
    transition: all 0.2s;
    border-radius: var(--radius-sm);
}

.nav-title:hover {
    color: var(--color-primary);
    background: rgba(74, 124, 155, 0.08);
}

/* 导航分组展开时 */
.nav-group:not(.collapsed) .nav-title {
    color: var(--color-primary);
    font-weight: 600;
}

/* 二级菜单容器 */
.nav-items {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, opacity 0.2s;
    opacity: 0;
}

.nav-group:not(.collapsed) .nav-items {
    max-height: 500px;
    opacity: 1;
}

/* 二级菜单项 */
.nav-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    padding-left: calc(var(--spacing-lg) + 12px);
    color: var(--color-text-secondary);
    transition: all 0.2s;
    border-left: 3px solid transparent;
    font-size: 13px;
}

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

/* 二级菜单选中状态 */
.nav-items .nav-item.active {
    background: rgba(74, 124, 155, 0.1);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    font-weight: 500;
}

/* 内容区 */
.content {
    flex: 1;
    background: var(--color-background);
    overflow-y: auto;
    height: calc(100vh - var(--header-height));
}

/* 通知栏 */
.notification-bar {
    background: var(--color-warning);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 13px;
}

.notification-bar a {
    color: white;
    text-decoration: underline;
}

/* 对话框 */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.dialog {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 400px;
    max-width: 90vw;
}

.dialog-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    font-size: 16px;
    font-weight: 500;
}

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

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

/* Toast 提示 */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    z-index: 2000;
    animation: fadeIn 0.2s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 搜索框 */
.search-box {
    position: relative;
    width: 240px;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-right: 32px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.search-box::after {
    content: '🔍';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    opacity: 0.5;
}

/* 操作列 */
.action-cell {
    display: flex;
    gap: var(--spacing-sm);
}

.action-link {
    color: var(--color-primary);
    cursor: pointer;
    font-size: 12px;
}

.action-link:hover {
    text-decoration: underline;
}

.action-link.danger {
    color: var(--color-danger);
}

/* 角标 */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 6px;
    background: var(--color-danger);
    color: white;
    border-radius: 9px;
    font-size: 11px;
    margin-left: 4px;
}

/* 下拉选择 */
.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: '▼';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: var(--color-text-muted);
    pointer-events: none;
}

.select-wrapper select {
    padding-right: 32px;
    appearance: none;
}

/* 日期输入 */
.date-input {
    position: relative;
}

.date-input input {
    padding-right: 32px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><text x="0" y="14" font-size="14">📅</text></svg>');
    background-repeat: no-repeat;
    background-position: right 8px center;
}

/* 数字输入 */
.number-input {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.number-input button {
    width: 32px;
    height: 32px;
    background: var(--color-background);
    color: var(--color-text-secondary);
}

.number-input button:hover {
    background: var(--color-border);
}

.number-input input {
    flex: 1;
    border: none;
    text-align: center;
    min-width: 60px;
}