/*
    [FILE] task-hall.css
    [POS] 任务大厅专用样式 - 页面标题、筛选栏、任务列表、任务卡片
    [IN] base.css, components.css
    [OUT] 任务大厅样式规则
    [DEP] base.css, components.css
    [SIDE EFFECT] 无
    [TEST] 手动测试: 验证任务大厅各区块样式

    Dribbble Style - Task Hall Page
    ============================================ */

/* ============================================
   Page Header
   ============================================ */

.page-header {
    padding: calc(64px + var(--spacing-3xl)) 0 var(--spacing-2xl);
    background: var(--color-bg-secondary);
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.page-subtitle {
    font-size: 16px;
    color: var(--color-text-secondary);
}

/* ============================================
   Filter Bar (Top)
   ============================================ */

.filter-bar {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 64px;
    z-index: 50;
}

.filter-bar-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-search {
    flex: 1;
    min-width: 240px;
    max-width: 400px;
}

.filter-search input {
    width: 100%;
}

.filter-results {
    font-size: 14px;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.filter-results-count {
    font-weight: 600;
    color: var(--color-text-primary);
}

.filter-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: auto;
}

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

.filter-sort select {
    width: auto;
    min-width: 140px;
}

.filter-clear {
    font-size: 14px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.filter-clear.hidden {
    display: none;
}

/* Mobile Filter Toggle */
.filter-toggle-btn {
    display: none;
}

/* ============================================
   Active Filters
   ============================================ */

.active-filters {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    padding: var(--spacing-md) 0;
}

.active-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px 10px;
    font-size: 13px;
    color: var(--color-text-primary);
    background: var(--color-primary-light);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-sm);
}

.active-filter-tag button {
    display: flex;
    align-items: center;
    padding: 2px;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.active-filter-tag button:hover {
    color: var(--color-error);
    background: rgba(239, 68, 68, 0.1);
}

.active-filter-tag button svg {
    width: 14px;
    height: 14px;
}

/* ============================================
   Main Content Area
   ============================================ */

.task-hall-main {
    padding: var(--spacing-2xl) 0;
}

.task-hall-content {
    display: flex;
    gap: var(--spacing-2xl);
    min-height: 600px;
}

/* ============================================
   Filter Sidebar
    ============================================ */

.filter-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    position: sticky;
    top: calc(64px + 80px);
    max-height: calc(100vh - 144px);
    overflow-y: auto;
}

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

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

.filter-sidebar__reset {
    font-size: 13px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.filter-sidebar__reset:hover {
    color: var(--color-error);
}

/* Filter Group */
.filter-group {
    margin-bottom: var(--spacing-lg);
}

.filter-group__toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    background: transparent;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.filter-group__toggle svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.filter-group__toggle[aria-expanded="false"] svg {
    transform: rotate(-90deg);
}

.filter-group__content {
    max-height: 300px;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.filter-group__content[hidden] {
    display: none;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

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

.filter-option input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.filter-option span {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.filter-option:hover span {
    color: var(--color-text-primary);
}

.filter-option input:checked + span {
    color: var(--color-text-primary);
}

.filter-count {
    margin-left: auto;
    font-size: 12px;
    color: var(--color-text-tertiary);
}

/* ============================================
   Task List
    ============================================ */

.task-list {
    flex: 1;
    min-width: 0;
}

.task-list-grid {
    display: grid;
    gap: var(--spacing-lg);
}

/* ============================================
   Task Card
    ============================================ */

.task-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    cursor: pointer;
}

.task-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.task-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
}

.task-card__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.4;
    flex: 1;
}

.task-card__status {
    flex-shrink: 0;
}

.task-card__summary {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.task-card__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.task-card__client {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 13px;
    color: var(--color-text-secondary);
}

.task-card__client-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.task-card__tags {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.task-card__tag {
    padding: 3px 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
}

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

.task-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border-light);
}

.task-card__info {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.task-card__info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    color: var(--color-text-secondary);
}

.task-card__info-item svg {
    width: 16px;
    height: 16px;
    color: var(--color-text-tertiary);
}

.task-card__budget {
    font-weight: 600;
    color: var(--color-primary);
}

.task-card__action {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-primary);
}

.task-card__action svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.task-card:hover .task-card__action svg {
    transform: translateX(4px);
}

/* ============================================
   Status Badges
    ============================================ */

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

.status-badge--recruiting {
    color: var(--color-success);
    background: var(--color-success-bg);
}

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

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

/* ============================================
   Task Hall Footer (Pagination)
    ============================================ */

.task-hall-footer {
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--color-border);
}

/* ============================================
   Responsive Task Hall
    ============================================ */

@media (max-width: 1024px) {
    .task-hall-content {
        flex-direction: column;
    }

    .filter-sidebar {
        width: 100%;
        position: static;
        max-height: none;
        display: none;
    }

    .filter-sidebar.active {
        display: block;
    }

    .filter-toggle-btn {
        display: inline-flex;
    }
}

@media (max-width: 768px) {
    .filter-bar-container {
        gap: var(--spacing-md);
    }

    .filter-search {
        min-width: 100%;
        max-width: 100%;
        order: 1;
    }

    .filter-results {
        order: 3;
        width: 100%;
    }

    .filter-actions {
        order: 2;
        margin-left: 0;
        width: 100%;
        justify-content: space-between;
    }

    .filter-sort {
        flex: 1;
    }

    .filter-sort select {
        width: 100%;
    }

    .task-card__header {
        flex-direction: column;
    }

    .task-card__footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .task-card__info {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 28px;
    }

    .task-card {
        padding: var(--spacing-md);
    }

    .task-card__title {
        font-size: 16px;
    }
}