/**
 * [FILE] task-detail.css
 * [POS] 任务详情页样式 - 详情页布局、预览抽屉样式
 * [IN] HTML 结构
 * [OUT] 渲染后的样式
 * [DEP] base.css (CSS 变量、工具类), components.css (共享组件)
 * [SIDE EFFECT] 无
 * [TEST] 手动测试: 验证布局、响应式、样式一致性
 *
 * Task Detail Page Styles
 * ============================================
 *
 * 包含两部分：
 * 1. 任务预览抽屉样式（专用类名隔离）
 * 2. 任务详情页样式（后续添加）
 */

/* ============================================
   Task Preview Drawer Styles
   ============================================ */

/* Overlay */
.task-preview-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.75);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
}

.task-preview-drawer-overlay.visible {
    opacity: 1;
    visibility: visible;
}

/* Drawer Container */
.task-preview-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 420px;
    max-width: 90vw;
    background-color: #FFFFFF !important;
    background-image: none !important;
    opacity: 1 !important;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.4);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1001;
    display: flex;
    flex-direction: column;
}

.task-preview-drawer.open {
    transform: translateX(0);
}

.task-preview-drawer.hidden {
    display: none;
}

/* Header */
.task-preview-drawer__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    background-color: #FFFFFF !important;
    opacity: 1 !important;
}

.task-preview-drawer__header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.task-preview-drawer__status {
    font-size: 0.75rem;
    font-weight: 600;
}

.task-preview-drawer__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: none;
    background: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.task-preview-drawer__close:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

/* Body */
.task-preview-drawer__body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background-color: #FFFFFF !important;
    opacity: 1 !important;
}

/* Loading State */
.task-preview-drawer__loading {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
}

.task-preview-drawer__skeleton {
    height: 1rem;
    background: linear-gradient(90deg,
        var(--color-bg-secondary) 25%,
        var(--color-border) 50%,
        var(--color-bg-secondary) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

.task-preview-drawer__skeleton:nth-child(1) { width: 60%; }
.task-preview-drawer__skeleton:nth-child(2) { width: 100%; }
.task-preview-drawer__skeleton:nth-child(3) { width: 80%; }

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

/* Error State */
.task-preview-drawer__error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--color-text-secondary);
}

.task-preview-drawer__error svg {
    color: var(--color-danger);
    margin-bottom: 1rem;
}

/* Content State */
.task-preview-drawer__content {
    display: block;
}

/* Title */
.task-preview-drawer__title {
    margin: 0 0 1.25rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.4;
}

/* Publisher Info */
.task-preview-drawer__publisher {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    margin-bottom: 1.25rem;
    background-color: #F9F9F9 !important;
    opacity: 1 !important;
    border-radius: var(--radius-md);
}

.task-preview-drawer__publisher-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border);
}

.task-preview-drawer__publisher-info {
    flex: 1;
    min-width: 0;
}

.task-preview-drawer__publisher-name-row {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.task-preview-drawer__publisher-name {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.task-preview-drawer__publisher-verified {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.task-preview-drawer__publisher-rating {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.25rem;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.task-preview-drawer__publisher-rating svg {
    color: var(--color-warning);
}

/* Description */
.task-preview-drawer__description {
    margin-bottom: 1.25rem;
}

.task-preview-drawer__section-title {
    margin: 0 0 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.task-preview-drawer__description-text {
    margin: 0;
    color: #374151;
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Summary (fallback) */
.task-preview-drawer__summary {
    margin: 0 0 1.25rem;
    color: #374151;
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Key Info */
.task-preview-drawer__info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    margin-bottom: 1.25rem;
    background-color: #F9F9F9 !important;
    opacity: 1 !important;
    border-radius: var(--radius-md);
}

.task-preview-drawer__info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.task-preview-drawer__info-icon {
    width: 1.125rem;
    height: 1.125rem;
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

.task-preview-drawer__info-label {
    font-size: 0.8125rem;
    color: #6B7280;
    font-weight: 500;
}

.task-preview-drawer__info-value {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-left: auto;
}

/* Tech Stacks */
.task-preview-drawer__stacks {
    margin-bottom: 1.25rem;
}

.task-preview-drawer__stacks-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.task-preview-drawer__stack {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

/* Footer */
.task-preview-drawer__footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border);
    background-color: #FFFFFF !important;
    opacity: 1 !important;
}

.task-preview-drawer__detail-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet and below */
@media (max-width: 1024px) {
    .task-preview-drawer {
        width: 100%;
        max-width: 100vw;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .task-preview-drawer__header {
        padding: 1rem;
    }

    .task-preview-drawer__body {
        padding: 1rem;
    }

    .task-preview-drawer__footer {
        padding: 0.75rem 1rem;
    }

    .task-preview-drawer__title {
        font-size: 1.125rem;
    }

    .task-preview-drawer__publisher {
        padding: 0.75rem;
    }
}

/* ============================================
   Task Detail Page Styles
   ============================================ */

/* Page Header */
.task-detail-header {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg-primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.breadcrumb-item svg {
    color: var(--color-text-tertiary);
}

.breadcrumb-item--current {
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Main Content */
.task-detail-main {
    padding: 2rem 0;
    min-height: 60vh;
}

/* States */
.task-detail-state {
    padding: 4rem 2rem;
    text-align: center;
}

.task-detail-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: var(--color-text-tertiary);
}

.task-detail-state--empty .task-detail-state-icon {
    color: var(--color-text-tertiary);
}

.task-detail-state--error .task-detail-state-icon {
    color: var(--color-danger);
}

.task-detail-state-title {
    margin: 0 0 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.task-detail-state-description {
    margin: 0 0 2rem;
    color: var(--color-text-secondary);
}

.task-detail-state .btn + .btn,
.task-detail-state .btn + a {
    margin-left: 0.75rem;
}

/* Loading Skeleton */
.task-detail-skeleton {
    max-width: 900px;
    margin: 0 auto;
}

.task-detail-skeleton__header {
    height: 40px;
    background: linear-gradient(90deg,
        var(--color-bg-secondary) 25%,
        var(--color-border) 50%,
        var(--color-bg-secondary) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.task-detail-skeleton__content {
    height: 200px;
    background: linear-gradient(90deg,
        var(--color-bg-secondary) 25%,
        var(--color-border) 50%,
        var(--color-bg-secondary) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.task-detail-skeleton__sidebar {
    height: 150px;
    background: linear-gradient(90deg,
        var(--color-bg-secondary) 25%,
        var(--color-border) 50%,
        var(--color-bg-secondary) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

/* Content Layout */
.task-detail-content {
    display: block;
}

.task-detail-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    align-items: start;
}

/* Task Information (Left) */
.task-detail-main-info {
    min-width: 0;
}

/* Title Section */
.task-detail-title-section {
    margin-bottom: 2rem;
}

.task-detail-title {
    margin: 0 0 1rem;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.3;
}

.task-detail-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.task-detail-status,
.task-detail-category {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 600;
}

/* Sections */
.task-detail-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.task-detail-section--info {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
}

.task-detail-section-title {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Description */
.task-detail-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
}

/* Lists */
.task-detail-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.task-detail-list-item {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.task-detail-list-item:last-child {
    margin-bottom: 0;
}

.task-detail-list-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.625rem;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

/* Tech Stacks */
.task-detail-stacks {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.task-detail-stack {
    display: inline-block;
    padding: 0.5rem 0.875rem;
    background-color: var(--color-bg-primary);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

/* Info Grid */
.task-detail-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.task-detail-info-item {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.task-detail-info-label {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

.task-detail-info-value {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

/* Sidebar (Right) */
.task-detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 1rem;
}

/* Publisher Card */
.publisher-card {
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--color-border);
}

.publisher-card__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.publisher-card__avatar {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border);
}

.publisher-card__info {
    flex: 1;
    min-width: 0;
}

.publisher-card__name-row {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.publisher-card__name {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.publisher-card__verified {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.publisher-card__rating {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.publisher-card__rating svg {
    color: var(--color-warning);
}

.publisher-card__review-count {
    color: var(--color-text-tertiary);
}

.publisher-card__stats {
    display: flex;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.publisher-card__stat {
    flex: 1;
    text-align: center;
}

.publisher-card__stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.publisher-card__stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

/* Action Card */
.action-card {
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--color-border);
}

.action-card__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet and below */
@media (max-width: 1024px) {
    .task-detail-layout {
        grid-template-columns: 1fr;
    }

    .task-detail-sidebar {
        position: static;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .task-detail-main {
        padding: 1rem 0;
    }

    .task-detail-title {
        font-size: 1.5rem;
    }

    .task-detail-section {
        padding: 1rem;
    }

    .task-detail-info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .publisher-card {
        padding: 1rem;
    }

    .publisher-card__avatar {
        width: 3rem;
        height: 3rem;
    }

    .task-detail-state {
        padding: 2rem 1rem;
    }
}