/* Hallmark · pre-emit critique: P4 H4 E4 S5 R5 V4 */
/* Hallmark · genre: atmospheric · macrostructure: Workbench · theme: Day Foundry · enrichment: none · nav: N9 · footer: none · contrast: pass (40–41) · slop: pass (42–49) · mobile: pass (34, 49–57) */
@import url("../../tokens.css");

/**
 * @file style.css
 * @description Clip Maker Frontend v2.0.0 侧边栏工作台与 Hallmark Anti-AI-slop 美学样式系统
 * @rule 全量 CSS 规范带有详细中文注释，默认采用 Light 白天皮肤，高高度适配草图布局与发光线 Logo
 */

/* ==========================================
 * 1. OKLCH 色彩 Token 与双皮肤变量定义 (默认 Light 白天皮肤)
 * ========================================== */
/* 品牌标题专用字体，仅用于聊天页主标语，避免影响正文可读性。 */
@font-face {
    font-family: 'JinNianYeYaoJiaYouYa';
    src: url('../assets/JinNianYeYaoJiaYouYa-2.ttf') format('truetype');
    font-display: swap;
}

:root, html.light {
    --color-bg: oklch(98% 0.008 250);
    --color-bg-subtle: oklch(95% 0.012 250);
    --color-panel: rgba(255, 255, 255, 0.88);
    --color-panel-border: rgba(0, 0, 0, 0.08);
    --color-card: rgba(255, 255, 255, 0.75);
    --color-card-hover: rgba(255, 255, 255, 0.98);
    --color-card-border: rgba(0, 0, 0, 0.06);

    /* ☀️ 白天皮肤下大标题与文本一律采用高清晰深炭黑色，彻底消除看不清问题 */
    --color-text-primary: oklch(18% 0.03 260);
    --color-text-secondary: oklch(42% 0.03 260);
    --color-text-muted: oklch(62% 0.02 260);

    --color-accent: oklch(55% 0.22 250);
    --color-accent-hover: oklch(48% 0.24 250);
    --color-accent-light: oklch(55% 0.22 250 / 12%);
    --color-accent-border: oklch(55% 0.22 250 / 30%);

    --color-success: oklch(62% 0.20 150);
    --color-warning: oklch(75% 0.19 75);
    --color-danger: oklch(58% 0.22 25);

    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.09);
    --shadow-glow: 0 0 20px oklch(55% 0.22 250 / 25%);
}

/* 🌙 暗夜皮肤模式 (Dark Theme) */
html.dark {
    --color-bg: oklch(13% 0.02 260);
    --color-bg-subtle: oklch(16% 0.025 260);
    --color-panel: rgba(22, 26, 38, 0.75);
    --color-panel-border: rgba(255, 255, 255, 0.12);
    --color-card: rgba(255, 255, 255, 0.05);
    --color-card-hover: rgba(255, 255, 255, 0.09);
    --color-card-border: rgba(255, 255, 255, 0.1);

    --color-text-primary: oklch(98% 0 0);
    --color-text-secondary: oklch(72% 0.02 260);
    --color-text-muted: oklch(52% 0.02 260);

    --color-accent: oklch(62% 0.24 265);
    --color-accent-hover: oklch(68% 0.22 265);
    --color-accent-light: oklch(62% 0.24 265 / 15%);
    --color-accent-border: oklch(62% 0.24 265 / 35%);

    --color-success: oklch(72% 0.19 150);
    --color-warning: oklch(78% 0.18 70);
    --color-danger: oklch(65% 0.22 25);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px oklch(62% 0.24 265 / 30%);
}

/* 全局皮肤平滑过渡 */
body, header, aside, main, div, input, textarea, button, section, h1, h2, h3, p, span {
    transition: background-color 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    overflow: hidden;
    font-family: var(--font-body);
}

/* ==========================================
 * 2. 侧边栏 (Sidebar) 展开/折叠与居中 Logo 布局
 * ========================================== */
.sidebar-wrapper {
    width: 300px;
    height: 100vh;
    background-color: var(--color-bg-subtle);
    border-right: 1px solid var(--color-panel-border);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    z-index: 30;
    flex-shrink: 0;
}

.sidebar-wrapper.collapsed {
    width: 72px;
    padding: 12px;
}

.sidebar-wrapper.collapsed .hide-on-collapse {
    display: none !important;
}

/* 折叠时完全收起任务区和底部工具区，仅保留品牌 Logo 与展开入口。 */
.sidebar-wrapper.collapsed .sidebar-collapse-content {
    display: none !important;
}

/* 折叠态 Logo 水平居中，展开按钮悬浮在侧边栏外缘且不占用内容宽度。 */
.sidebar-wrapper.collapsed .sidebar-header {
    justify-content: center;
    border-bottom-color: transparent;
    padding-bottom: 0;
    position: relative;
}

.sidebar-wrapper.collapsed .sidebar-toggle-button {
    position: absolute;
    top: 8px;
    right: -25px;
    width: 26px;
    height: 26px;
    padding: 0;
    z-index: 35;
}

/* 侧边栏放映机仅保留机身渐变和虚线投射光，不使用环绕光或旋转边框。 */
.sidebar-projector-logo {
    width: 44px;
    height: 44px;
    overflow: visible;
    background: linear-gradient(135deg, #3975ee 0%, #2abce8 48%, #7667f2 74%, #31d2d0 100%);
    background-size: 220% 220%;
    box-shadow: 0 6px 16px rgba(38, 116, 229, 0.28);
    border-radius: 12px;
    color: #ffffff;
    animation: projectorColorFlow 5s ease-in-out infinite;
}

.sidebar-projector-icon {
    width: 34px;
    height: 34px;
    transform: translateX(1px);
}

/* 三束投射光以短虚线持续向外移动，表现“- - - -”的放映方向。 */
.sidebar-projector-icon path:nth-of-type(n + 2) {
    stroke-dasharray: 3 5;
    animation: projectorDashedLight 1.15s linear infinite;
}

/* 侧边栏作品列表容器：最多展示八个作品项，更多内容在局部区域内滚动。 */
.sidebar-work-list {
    max-height: min(calc(100vh - 230px), calc((64px * 8) + (10px * 7)));
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
    padding-bottom: 2px;
}

/* 侧边栏作品列表滚动条：保持轻量，避免抢走作品卡片视觉焦点。 */
.sidebar-work-list::-webkit-scrollbar {
    width: 6px;
}

/* 侧边栏作品列表滚动轨道：透明轨道适配白天与黑夜皮肤。 */
.sidebar-work-list::-webkit-scrollbar-track {
    background: transparent;
}

/* 侧边栏作品列表滚动滑块：使用主题边框色确保双皮肤都可见。 */
.sidebar-work-list::-webkit-scrollbar-thumb {
    background: var(--color-panel-border);
    border-radius: 999px;
}

/* 侧边栏任务卡片列表 */
.sidebar-task-item {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: 12px;
    padding: 10px 12px;
    cursor: pointer;
    transition: background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-task-item:hover {
    background: var(--color-card-hover);
    border-color: var(--color-accent-border);
    transform: translateX(2px);
    box-shadow: var(--shadow-sm);
}

/* 任务卡片右侧的删除入口：默认保持克制，悬停后提示风险操作。 */
.sidebar-task-delete {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    padding: 0;
    color: var(--color-text-primary);
    background: transparent;
    border: 0;
    cursor: pointer;
    opacity: 0.68;
    transition: transform 160ms ease, color 160ms ease, opacity 160ms ease;
}

.sidebar-task-delete svg {
    width: 15px;
    height: 15px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.sidebar-task-delete:hover {
    color: #dc2626;
    opacity: 1;
    transform: scale(1.08);
}

.sidebar-task-delete:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.sidebar-task-time {
    color: var(--color-text-muted);
    font-weight: 500;
}

/* 任务计数左侧的新建按钮保持紧凑圆形，悬停时使用主题强调色。 */
.sidebar-new-task-button {
    width: 19px;
    height: 19px;
    padding: 0;
    border: 1px solid var(--color-accent-border);
    border-radius: 50%;
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-size: 15px;
    line-height: 1;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.sidebar-new-task-button:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
    box-shadow: var(--shadow-glow);
}

/* 侧边栏底部 3 个圆形控制按钮 */
.sidebar-action-circle {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--color-card);
    border: 1px solid var(--color-panel-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-sm);
}

.sidebar-action-circle:hover {
    background: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* 皮肤工具按钮参考圆形工具栏样式：柔和底色、细描边、简洁图标，不使用 Emoji。 */
.theme-toggle-circle {
    background: var(--color-card);
    border-color: var(--color-panel-border);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
}

.theme-toggle-circle:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-border);
    color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.theme-toggle-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle-icon svg {
    width: 100%;
    height: 100%;
}

/* ==========================================
 * 3. 模态框 (Modal) 与遮罩锁定机制
 * ========================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    animation: modalFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.modal-content-box {
    background: var(--color-panel);
    border: 1px solid var(--color-panel-border);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 680px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalPopIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* 账号登录窗口仅包含一个操作按钮，使用更紧凑的宽高比例。 */
.account-modal-content {
    max-width: 448px;
}

/* ==========================================
 * 3.1 全局通知与确认反馈组件
 * ========================================== */
.feedback-toast-region {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 220;
    width: min(360px, calc(100vw - 32px));
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.feedback-toast {
    background: var(--color-panel);
    border: 1px solid var(--color-panel-border);
    border-left: 4px solid var(--color-accent);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(16px);
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr) 24px;
    align-items: center;
    gap: 10px;
    min-height: 58px;
    padding: 11px 12px;
    color: var(--color-text-primary);
    pointer-events: auto;
    animation: feedbackToastIn 0.28s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.feedback-toast.is-leaving {
    animation: feedbackToastOut 0.22s ease-in both;
}

.feedback-toast-success { border-left-color: var(--color-success); }
.feedback-toast-warning { border-left-color: var(--color-warning); }
.feedback-toast-error { border-left-color: var(--color-danger); }

.feedback-toast-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-accent-light);
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
}

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

.feedback-toast-message {
    margin: 0;
    font-size: 13px;
    line-height: 1.45;
    color: var(--color-text-primary);
}

.feedback-toast-close {
    width: 24px;
    height: 24px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 17px;
    line-height: 1;
}

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

.feedback-confirm-overlay {
    position: fixed;
    inset: 0;
    z-index: 210;
    background: rgba(8, 12, 22, 0.38);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.feedback-confirm-card {
    width: min(420px, 100%);
    padding: 24px;
    border-radius: 22px;
    background: var(--color-panel);
    border: 1px solid var(--color-panel-border);
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
    animation: modalPopIn 0.24s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.feedback-confirm-symbol {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: var(--color-accent-light);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 19px;
}

.feedback-confirm-card p {
    margin: 0;
    color: var(--color-text-secondary);
}

.feedback-confirm-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 6px;
}

.feedback-confirm-button {
    padding: 7px 16px;
    border: 1px solid var(--color-accent-border);
    background: var(--color-accent);
    color: #ffffff;
}

.feedback-confirm-button:hover { background: var(--color-accent-hover); }

.feedback-confirm-button.is-danger {
    background: var(--color-danger);
    border-color: var(--color-danger);
}

@keyframes feedbackToastIn {
    from { opacity: 0; transform: translateX(18px) scale(0.98); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes feedbackToastOut {
    from { opacity: 1; transform: translateX(0) scale(1); }
    to { opacity: 0; transform: translateX(16px) scale(0.98); }
}

@keyframes modalPopIn {
    from { opacity: 0; transform: scale(0.92) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ==========================================
 * 4. 通用按钮与控件
 * ========================================== */
.btn-apple {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    border-radius: 9999px;
    transition: background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    user-select: none;
}

.btn-apple-secondary {
    background-color: var(--color-card);
    border: 1px solid var(--color-card-border);
    color: var(--color-text-primary);
    padding: 6px 14px;
}

.btn-apple-secondary:hover {
    background-color: var(--color-card-hover);
    border-color: var(--color-panel-border);
    transform: translateY(-1px);
}

/* 任务创建聊天框使用主题令牌，避免白天模式仍残留深色 Tailwind 固定颜色。 */
.theme-prompt-box {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
}

.theme-prompt-box:hover,
.theme-prompt-box:focus-within {
    background: var(--color-card-hover);
    border-color: var(--color-accent-border);
    box-shadow: var(--shadow-sm);
}

/* 聊天创建页以品牌图标和主张引导用户，再放置居中的放大输入区。 */
.task-create-shell {
    width: min(100%, 960px);
    margin: clamp(58px, 10vh, 136px) auto 0;
}

.task-create-hero {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: clamp(34px, 5vh, 62px);
}

/* 聊天页取消 Logo，仅让本地品牌字体承担欢迎语视觉焦点。 */
.task-create-slogan {
    margin: 0;
    font-family: 'JinNianYeYaoJiaYouYa', 'Outfit', 'Inter', sans-serif;
    font-size: clamp(2rem, 3.45vw, 3.2rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 1.22;
    background: linear-gradient(96deg, #1677ff 0%, #30b6f2 48%, #5b6cff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* 首次进入通过分段裁切模拟逐笔写出，并在末尾保留短暂书写光标。 */
.task-create-slogan.is-writing {
    position: relative;
    clip-path: inset(0 100% 0 0);
    animation: sloganHandwrite 2.3s steps(18, end) forwards;
}

.task-create-slogan.is-writing::after {
    position: absolute;
    content: '';
    top: 17%;
    right: -0.14em;
    width: 0.08em;
    height: 0.8em;
    border-radius: 999px;
    background: var(--color-accent);
    opacity: 0;
    pointer-events: none;
    animation: sloganCursor 520ms step-end 4 2.3s;
}

@keyframes projectorColorFlow {
    0%, 100% { background-position: 0% 45%; }
    50% { background-position: 100% 55%; }
}

@keyframes projectorDashedLight {
    to { stroke-dashoffset: -16; }
}

@keyframes sloganHandwrite {
    to { clip-path: inset(0 0 0 0); }
}

@keyframes sloganCursor {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

/* 系统要求减少动态时关闭品牌动画，保留静态 Logo 与标题信息。 */
@media (prefers-reduced-motion: reduce) {
    .sidebar-projector-logo,
    .sidebar-projector-icon path:nth-of-type(n + 2),
    .task-create-slogan.is-writing,
    .task-create-slogan.is-writing::after {
        animation: none;
    }

    .task-create-slogan.is-writing { clip-path: inset(0 0 0 0); }
}

/* 未登录卡片只保留登录按钮，不再为已删除说明文字预留高度。 */
.account-unbound-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 0;
    text-align: center;
}

.task-create-composer {
    width: 100%;
}

@media (max-width: 640px) {
    .task-create-shell {
        margin-top: 36px;
    }

    .task-create-hero {
        margin-bottom: 28px;
    }
}

/* ==========================================
 * 18. 作品集、分享与 Skill 工作台
 * Hallmark · workbench · existing blue accent · mutually exclusive workspace
 * ========================================== */
.workspace-wide-host {
    max-width: 72rem !important;
}

.task-execution-actions,
.shared-page-actions,
.collection-detail-header > div:last-child,
.skill-editor-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-sm);
}

.task-execution-actions button,
.shared-page-actions button,
.collection-detail-header button,
.collection-work-item button,
.skill-catalog-card button,
.content-dialog-card button,
.composer-skill-button {
    min-height: 44px;
    padding-inline: var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-pill);
    background: var(--color-paper-2);
    color: var(--color-ink);
    font-weight: 600;
    white-space: nowrap;
}

.task-execution-actions button:disabled,
.shared-page-actions button:disabled,
.collection-detail-header button:disabled,
.collection-work-item button:disabled,
.skill-catalog-card button:disabled,
.content-dialog-card button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.sidebar-task-item.needs-attention {
    border-color: var(--color-danger);
    animation: copiedWorkAttention 1.1s ease-in-out infinite;
}

@keyframes copiedWorkAttention {
    0%, 100% { box-shadow: 0 0 0 0 var(--color-accent-light); }
    50% { box-shadow: 0 0 0 4px var(--color-danger); }
}

.collection-layout {
    display: grid;
    grid-template-columns: minmax(13rem, 0.34fr) minmax(0, 1fr);
    gap: var(--space-lg);
    min-height: 34rem;
}

.collection-index {
    display: grid;
    align-content: start;
    gap: var(--space-xs);
    max-height: 62dvh;
    overflow-y: auto;
}

.collection-index > button {
    display: grid;
    gap: var(--space-2xs);
    min-height: 64px;
    padding: var(--space-sm) var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    background: var(--color-paper-2);
    color: var(--color-ink);
    text-align: start;
}

.collection-index > button span {
    color: var(--color-muted);
    font-size: var(--text-xs);
}

.collection-index > button.is-active {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

.collection-detail {
    min-width: 0;
    padding: var(--space-lg);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper-2);
    color: var(--color-ink);
}

.collection-detail-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-md);
    padding-block-end: var(--space-md);
    border-bottom: var(--rule-hairline) solid var(--color-rule);
}

.collection-detail-header h2,
.shared-page-header h1 {
    overflow-wrap: anywhere;
    min-width: 0;
}

.collection-detail-header p {
    margin-block-start: var(--space-xs);
    color: var(--color-neutral);
}

.collection-detail-header .is-danger,
.workspace-link-button.is-danger {
    color: var(--color-error);
}

.collection-work-grid,
.shared-work-list {
    display: grid;
    gap: var(--space-md);
    margin-block-start: var(--space-lg);
}

.collection-work-item {
    display: grid;
    gap: var(--space-xs);
    padding: var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
}

.collection-work-item > span {
    color: var(--color-muted);
    font-family: var(--font-outlier);
    font-size: var(--text-xs);
}

.content-action-dialog {
    position: fixed;
    inset: 0;
    width: min(92vw, 34rem);
    height: fit-content;
    max-height: min(82dvh, 42rem);
    margin: auto;
    padding: 0;
    overflow: visible;
    border: 0;
    border-radius: var(--radius-lg);
    background: transparent;
    color: var(--color-ink);
}

.content-action-dialog::backdrop {
    background: var(--color-scrim);
    backdrop-filter: blur(10px);
}

.content-dialog-card {
    display: grid;
    gap: var(--space-md);
    max-height: min(82dvh, 42rem);
    overflow-y: auto;
    padding: var(--space-xl);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-lg);
    background: var(--color-paper);
    color: var(--color-ink);
    box-shadow: var(--shadow-lg);
}

.content-dialog-card > header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-md);
}

.content-dialog-card > header p,
.content-dialog-card label small {
    color: var(--color-neutral);
}

.content-dialog-card label {
    display: grid;
    gap: var(--space-xs);
    font-weight: 600;
}

.content-dialog-card input,
.content-dialog-card textarea,
.skill-editor input,
.skill-editor textarea {
    width: 100%;
    min-height: 44px;
    padding: var(--space-sm) var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    outline: 2px solid transparent;
    outline-offset: 1px;
    background: var(--color-paper-2);
    color: var(--color-ink);
}

.content-dialog-card textarea,
.skill-editor textarea {
    resize: vertical;
}

.content-dialog-primary {
    border-color: var(--color-accent) !important;
    background: var(--color-accent) !important;
    color: var(--color-accent-ink) !important;
}

/* 分享链接自动复制不可用时，提供始终可见且可手动选择的兼容操作区。 */
.share-link-result input {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.875rem;
    cursor: text;
}

.share-link-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-sm);
}

.share-copy-status {
    margin: 0;
    padding: var(--space-sm) var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    background: var(--color-paper-2);
    color: var(--color-neutral);
    font-size: 0.875rem;
}

.share-copy-status.is-success {
    border-color: color-mix(in srgb, var(--color-accent) 45%, var(--color-rule));
    color: var(--color-accent);
}

.share-copy-status.is-manual {
    border-color: color-mix(in srgb, var(--color-warning) 50%, var(--color-rule));
    color: var(--color-warning);
}

.collection-picker-list {
    display: grid;
    gap: var(--space-xs);
    max-height: 18rem;
    overflow-y: auto;
}

.collection-picker-list > button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: start;
}

.collection-picker-list small {
    color: var(--color-muted);
}

.content-dialog-create {
    display: grid;
    gap: var(--space-sm);
    padding-block-start: var(--space-md);
    border-top: var(--rule-hairline) solid var(--color-rule);
}

.shared-content-page {
    max-height: calc(100dvh - 6rem);
    overflow-y: auto;
    padding: var(--space-xl);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-lg);
    background: var(--color-paper);
    color: var(--color-ink);
    box-shadow: var(--shadow-lg);
}

.shared-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-lg);
    padding-block-end: var(--space-lg);
    border-bottom: var(--rule-hairline) solid var(--color-rule);
}

.shared-page-header > div:first-child > span {
    color: var(--color-accent);
    font-size: var(--text-xs);
    font-weight: 700;
}

.shared-work-card {
    padding: var(--space-lg);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper-2);
    color: var(--color-ink);
}

.shared-work-card > header {
    display: grid;
    gap: var(--space-md);
}

.shared-page-heading {
    display: grid;
    gap: var(--space-xs);
}

.shared-by {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    width: fit-content;
    margin-block-start: var(--space-sm);
}

.shared-by img,
.shared-by-fallback {
    width: 38px;
    height: 38px;
    border: var(--rule-hairline) solid var(--color-accent-border);
    border-radius: 50%;
    object-fit: cover;
}

.shared-by-fallback {
    display: grid;
    place-items: center;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-weight: 800;
}

.shared-by > span:last-child {
    display: grid;
    gap: 1px;
}

.shared-by small {
    color: var(--color-muted);
    font-size: var(--text-xs);
}

.shared-work-heading {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.shared-work-order {
    flex: 0 0 auto;
    padding: 0.3rem 0.65rem;
    border: var(--rule-hairline) solid var(--color-accent-border);
    border-radius: var(--radius-pill);
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-size: var(--text-xs);
    font-weight: 800;
    letter-spacing: 0.04em;
}

.shared-work-description {
    display: grid;
    gap: var(--space-xs);
    min-width: 0;
}

.shared-work-description > span,
.shared-work-user-input > strong {
    color: var(--color-muted);
    font-size: var(--text-xs);
    font-weight: 700;
}

.shared-work-description h2 {
    margin: 0;
    color: var(--color-ink);
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    line-height: 1.45;
}

.shared-work-user-input {
    display: grid;
    gap: var(--space-xs);
    padding-block-start: var(--space-md);
    border-block-start: var(--rule-hairline) solid var(--color-rule);
}

.shared-work-user-input p {
    margin: 0;
    white-space: pre-wrap;
    line-height: 1.75;
}

.shared-asset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), minmax(0, 1fr)));
    gap: var(--space-md);
    margin-block-start: var(--space-md);
}

.shared-asset-grid figure {
    min-width: 0;
    overflow: hidden;
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
}

.shared-asset-grid img,
.shared-asset-grid video {
    width: 100%;
    max-height: 22rem;
    object-fit: contain;
    background: var(--color-paper-3);
}

.shared-asset-grid figcaption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: var(--space-sm);
}

.shared-asset-grid figcaption span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.shared-file-placeholder {
    display: grid;
    place-items: center;
    min-height: 8rem;
    padding: var(--space-md);
    color: var(--color-neutral);
    overflow-wrap: anywhere;
}

.composer-skill-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    min-height: 36px;
    padding-inline: var(--space-sm);
}

.composer-skill-button svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.prompt-skill-token {
    display: inline-block;
    padding: 1px 7px;
    border: var(--rule-hairline) solid var(--color-accent-border);
    border-radius: var(--radius-pill);
    background: linear-gradient(100deg, var(--color-accent-soft), var(--color-accent-light));
    color: var(--color-accent);
    font-weight: 700;
    white-space: nowrap;
}

.skill-picker-popover {
    position: fixed;
    inset: auto;
    width: min(92vw, 29rem);
    max-height: min(70dvh, 34rem);
    padding: var(--space-md);
    overflow: hidden;
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper);
    color: var(--color-ink);
    box-shadow: var(--shadow-lg);
}

.skill-picker-popover:popover-open {
    display: grid;
    gap: var(--space-sm);
}

.skill-picker-popover > header,
.skill-picker-popover > nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xs);
}

.skill-picker-popover button {
    min-height: 44px;
    border-radius: var(--radius-sm);
    color: var(--color-ink);
}

.skill-picker-popover > nav {
    justify-content: flex-start;
}

.skill-picker-popover > nav button {
    padding-inline: var(--space-sm);
}

.skill-picker-popover > nav button.is-active {
    background: var(--color-accent-soft);
    color: var(--color-accent);
}

.skill-picker-search input {
    width: 100%;
    min-height: 44px;
    padding-inline: var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    background: var(--color-paper-2);
    color: var(--color-ink);
}

.skill-picker-results {
    display: grid;
    gap: var(--space-xs);
    max-height: 21rem;
    overflow-y: auto;
}

.skill-picker-results > button {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-sm);
    text-align: start;
}

.skill-picker-results > button > span:last-child {
    display: grid;
    min-width: 0;
}

.skill-picker-results small {
    overflow: hidden;
    color: var(--color-neutral);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.skill-tool-icon {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
}

.skill-picker-empty {
    padding: var(--space-lg);
    color: var(--color-neutral);
    text-align: center;
}

.skills-workspace,
.skill-own-section,
.skill-editor {
    display: grid;
    gap: var(--space-lg);
}

.skill-horizontal-rail {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(16rem, 21rem);
    gap: var(--space-md);
    overflow-x: auto;
    padding-block: var(--space-sm);
    scroll-snap-type: inline mandatory;
}

.skill-catalog-card {
    display: grid;
    align-content: start;
    gap: var(--space-sm);
    min-height: 13rem;
    padding: var(--space-lg);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper-2);
    color: var(--color-ink);
    scroll-snap-align: start;
}

.skill-catalog-card > span,
.skill-catalog-card > p {
    color: var(--color-neutral);
}

.skill-catalog-card > div {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-block-start: auto;
}

.skill-editor {
    padding: var(--space-lg);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper-2);
    color: var(--color-ink);
}

.skill-editor label {
    display: grid;
    gap: var(--space-xs);
}

.skill-own-section {
    grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
}

.skill-detail-dialog pre {
    max-height: 55dvh;
    overflow: auto;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

@media (hover: hover) and (pointer: fine) {
    .task-execution-actions button:hover,
    .shared-page-actions button:hover,
    .collection-detail-header button:hover,
    .collection-work-item button:hover,
    .skill-catalog-card button:hover,
    .content-dialog-card button:hover,
    .skill-picker-results > button:hover {
        background: var(--color-paper-3);
        transform: translateY(-1px);
    }
}

@media (max-width: 48rem) {
    #sidebarApp {
        width: 72px;
        flex: 0 0 72px;
    }
    .sidebar-wrapper:not(.collapsed) {
        position: fixed;
        inset: 0 auto 0 0;
        width: min(300px, 85vw);
        z-index: 80;
    }
    .collection-layout,
    .skill-own-section {
        grid-template-columns: minmax(0, 1fr);
    }
    .collection-index {
        grid-auto-flow: column;
        grid-auto-columns: minmax(13rem, 70vw);
        overflow-x: auto;
    }
    .collection-detail-header,
    .shared-page-header,
    .task-execution-header {
        align-items: stretch;
        flex-direction: column;
    }
    .task-execution-actions,
    .shared-page-actions,
    .collection-detail-header > div:last-child {
        justify-content: flex-start;
    }
    .shared-content-page {
        padding: var(--space-md);
    }
}

/* ==========================================
 * 22. v3.2 Skills 分栏与锚点式作品集选择器
 * Hallmark · workbench catalog · restrained blue/yellow accents
 * ========================================== */
.skill-catalog-section {
    display: grid;
    gap: var(--space-md);
    min-width: 0;
}

.skill-catalog-section > header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.skill-catalog-section > header span {
    display: grid;
    place-items: center;
    min-width: 2rem;
    min-height: 2rem;
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-pill);
    color: var(--color-neutral);
    font-size: var(--text-xs);
}

.skill-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr));
    gap: var(--space-md);
    min-width: 0;
}

.skill-grid-viewport {
    position: relative;
    min-width: 0;
}

/* 只有内容超过动态行数上限时，网格才成为独立纵向滚动区。 */
.skill-card-grid.is-scrollable {
    max-height: var(--skill-grid-visible-height);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-inline-end: var(--space-xs);
    padding-block-end: var(--space-xl);
    scrollbar-color: var(--color-muted) var(--color-paper-2);
    scrollbar-width: thin;
}

.skill-card-grid.is-scrollable:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
    border-radius: var(--radius-md);
}

.skill-card-grid.is-scrollable::-webkit-scrollbar {
    width: var(--space-xs);
}

.skill-card-grid.is-scrollable::-webkit-scrollbar-track {
    border-radius: var(--radius-pill);
    background: var(--color-paper-2);
}

.skill-card-grid.is-scrollable::-webkit-scrollbar-thumb {
    border-radius: var(--radius-pill);
    background: var(--color-muted);
}

/* 向下提示固定在分区底部，不占用网格排版空间。 */
.skill-scroll-cue {
    position: absolute;
    inset-inline-start: 50%;
    inset-block-end: var(--space-xs);
    display: grid;
    place-items: center;
    width: 44px;
    min-height: 44px;
    padding: 0;
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-pill);
    outline: 2px solid transparent;
    outline-offset: 2px;
    background: var(--color-paper);
    color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateX(-50%);
    z-index: 2;
}

.skill-scroll-cue svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.skill-scroll-cue:focus-visible {
    outline-color: var(--color-focus);
}

.skill-scroll-cue:active {
    transform: translateX(-50%) translateY(1px);
}

.skill-scroll-cue:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.skill-catalog-card {
    position: relative;
    min-height: 12rem;
    padding: var(--space-lg);
    outline: 2px solid transparent;
    outline-offset: 2px;
    cursor: pointer;
}

.skill-catalog-card:focus-visible {
    outline-color: var(--color-focus);
}

.skill-card-body {
    display: grid !important;
    align-content: start;
    gap: var(--space-xs) !important;
    margin: 0 !important;
    padding-inline-end: var(--space-xl);
    outline: 2px solid transparent;
    outline-offset: 2px;
    cursor: pointer;
}

.skill-card-body:focus-visible {
    outline-color: var(--color-focus);
}

.skill-card-body > span,
.skill-card-body > p {
    color: var(--color-neutral);
}

.skill-card-body > h3 {
    min-width: 0;
    overflow-wrap: anywhere;
}

.skill-card-body > p {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-height: 1.6;
}

.skill-favorite-button {
    position: absolute;
    inset-block-start: var(--space-sm);
    inset-inline-end: var(--space-sm);
    display: grid;
    place-items: center;
    width: 44px;
    min-height: 44px;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    color: var(--color-muted);
}

.skill-favorite-button svg {
    width: 1.35rem;
    height: 1.35rem;
    fill: transparent;
    stroke: currentColor;
    stroke-width: 1.6;
}

.skill-favorite-button.is-favorite {
    color: var(--color-favorite);
    filter: drop-shadow(0 0 7px var(--color-favorite-glow));
}

.skill-favorite-button.is-favorite svg {
    fill: currentColor;
}

.skill-favorite-button.is-animating svg {
    animation: favoriteConfirm 420ms var(--ease-out) both;
}

@keyframes favoriteConfirm {
    0% { transform: scale(0.82); }
    55% { transform: scale(1.12); }
    100% { transform: scale(1); }
}

.skill-card-admin-actions,
.collection-work-actions {
    display: flex !important;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs) !important;
    margin-block-start: auto !important;
}

.skill-editor-dialog {
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 0;
    max-height: min(88dvh, 40rem);
    padding: 0;
    overflow: hidden;
}

.skill-editor-dialog > header {
    align-items: center;
    padding: var(--space-lg) var(--space-xl) var(--space-md);
}

.skill-editor-dialog-body {
    display: grid;
    gap: var(--space-md);
    min-height: 0;
    padding: 0 var(--space-xl) var(--space-md);
    overflow-y: auto;
    overscroll-behavior: contain;
}

.skill-editor-dialog-body > label {
    display: grid;
    gap: var(--space-xs);
}

.skill-editor-dialog textarea {
    height: clamp(9rem, 28dvh, 13rem);
    min-height: 9rem;
    resize: vertical;
    white-space: pre-wrap;
}

/* “公开”是发布设置而非主字段，使用紧凑说明行和右侧开关降低视觉层级。 */
.skill-publish-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
}

.skill-publish-option > div {
    display: grid;
    gap: var(--space-3xs);
    min-width: 0;
}

.skill-publish-option strong {
    color: var(--color-ink);
    font-size: var(--text-sm);
}

.skill-publish-option small {
    color: var(--color-neutral);
    font-size: var(--text-xs);
    font-weight: 400;
}

.skill-visibility-switch {
    position: relative;
    display: inline-flex !important;
    flex: 0 0 auto;
    width: 2.75rem;
    height: 1.5rem;
    cursor: pointer;
}

.skill-visibility-switch input {
    position: absolute;
    z-index: 1;
    inset: 0;
    width: 100% !important;
    min-height: 0 !important;
    margin: 0;
    opacity: 0;
    cursor: inherit;
}

.skill-visibility-track {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-pill);
    background: var(--color-paper-3);
}

.skill-visibility-track::after {
    position: absolute;
    top: 0.18rem;
    left: 0.18rem;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--color-paper);
    box-shadow: var(--shadow-sm);
    content: '';
    transition: transform var(--dur-micro) var(--ease-out);
}

.skill-visibility-switch input:checked + .skill-visibility-track {
    border-color: var(--color-accent);
    background: var(--color-accent);
}

.skill-visibility-switch input:checked + .skill-visibility-track::after {
    transform: translateX(1.18rem);
}

.skill-visibility-switch:hover .skill-visibility-track {
    border-color: var(--color-accent-border);
}

.skill-visibility-switch input:focus-visible + .skill-visibility-track {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

.skill-visibility-switch:active .skill-visibility-track::after {
    transform: translateX(0.1rem);
}

.skill-visibility-switch input:checked:active + .skill-visibility-track::after {
    transform: translateX(1.08rem);
}

.skill-visibility-switch input:disabled {
    cursor: not-allowed;
}

.skill-visibility-switch input:disabled + .skill-visibility-track {
    opacity: 0.55;
}

.skill-editor-dialog-footer {
    display: flex;
    justify-content: flex-end;
    padding: var(--space-md) var(--space-xl) var(--space-lg);
    border-block-start: var(--rule-hairline) solid var(--color-rule);
    background: var(--color-paper);
}

.skill-editor-dialog-footer .content-dialog-primary {
    width: 100%;
}

@media (max-width: 40rem) {
    .skill-editor-dialog > header {
        padding: var(--space-md);
    }

    .skill-editor-dialog-body {
        padding: 0 var(--space-md) var(--space-md);
    }

    .skill-editor-dialog-footer {
        padding: var(--space-md);
    }
}

@media (prefers-reduced-motion: reduce) {
    .skill-visibility-track::after {
        transition-duration: 0.01ms;
    }
}

.content-dialog-card select,
.collection-popover-form input,
.collection-popover-form textarea {
    width: 100%;
    min-height: 44px;
    padding: var(--space-sm) var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    outline: 2px solid transparent;
    outline-offset: 1px;
    background: var(--color-paper-2);
    color: var(--color-ink);
}

.content-dialog-card select:focus-visible,
.collection-popover-form input:focus-visible,
.collection-popover-form textarea:focus-visible {
    outline-color: var(--color-focus);
}

.collection-anchor-popover {
    position: fixed;
    width: min(20rem, calc(100% - 2rem));
    max-height: min(28rem, calc(100dvh - 2rem));
    margin: 0;
    overflow-y: auto;
    padding: var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper);
    color: var(--color-ink);
    box-shadow: var(--shadow-lg);
}

.collection-anchor-popover::backdrop {
    background: transparent;
}

.collection-popover-heading,
.collection-popover-form,
.collection-popover-form header,
.collection-popover-form label {
    display: grid;
    gap: var(--space-xs);
}

.collection-popover-heading,
.collection-popover-form header {
    margin-block-end: var(--space-sm);
}

.collection-popover-heading span,
.collection-popover-form header span {
    color: var(--color-neutral);
    font-size: var(--text-xs);
}

.collection-popover-form textarea {
    min-height: 7rem;
    resize: vertical;
}

.collection-popover-form > div {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-xs);
}

.collection-anchor-popover button {
    min-height: 44px;
    padding-inline: var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-pill);
    background: var(--color-paper-2);
    color: var(--color-ink);
    font-weight: 600;
    white-space: nowrap;
}

.collection-anchor-popover button.is-primary {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-accent-ink);
}

.collection-picker-list {
    display: grid;
    gap: var(--space-xs);
}

.collection-picker-list > button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    border-radius: var(--radius-sm);
    text-align: start;
}

.collection-picker-list > button small {
    color: var(--color-neutral);
}

@media (hover: hover) and (pointer: fine) {
    .skill-catalog-card:hover {
        background: var(--color-paper-3);
    }
    .collection-anchor-popover button:hover {
        background: var(--color-paper-3);
    }
    .skill-scroll-cue:hover {
        background: var(--color-paper-3);
    }
}

@media (max-width: 40rem) {
    .skill-card-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .workspace-heading {
        align-items: center;
    }
    .collection-work-actions {
        display: grid !important;
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    .skill-favorite-button.is-animating svg {
        animation: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar-task-item.needs-attention {
        animation: none;
        box-shadow: 0 0 0 3px var(--color-danger);
    }
}

/* 聊天输入文字和占位文字均跟随当前皮肤切换。 */
.theme-prompt-input {
    color: var(--color-text-primary);
    caret-color: var(--color-accent);
}

.theme-prompt-input::placeholder {
    color: var(--color-text-muted);
    opacity: 1;
}

/* 富文本聊天编辑器用 data-placeholder 提示；空内容时保持与原 textarea 一致的视觉位置。 */
.prompt-rich-editor {
    min-height: 7.5rem;
    max-height: 15rem;
    overflow-y: auto;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.prompt-rich-editor:empty::before {
    content: attr(data-placeholder);
    color: var(--color-text-muted);
    pointer-events: none;
}

/* @文件N 是不可编辑的独立引用令牌，前后空格由脚本写入，渐蓝色与正文形成明确区隔。 */
.prompt-mention-token {
    display: inline-block;
    padding: 0 0.22em;
    border-radius: 0.38em;
    background: linear-gradient(96deg, rgba(22, 119, 255, 0.14), rgba(48, 182, 242, 0.18));
    color: #1677ff;
    font-weight: 700;
    line-height: 1.45;
    user-select: all;
}

html.dark .prompt-mention-token {
    background: linear-gradient(96deg, rgba(70, 138, 255, 0.2), rgba(68, 205, 245, 0.22));
    color: #72b7ff;
}

/* 上传的非图片文件名采用主题正文色；白天避免固定浅灰导致视频文件名难以辨识。 */
.media-file-name {
    color: var(--color-text-primary);
}

/* @素材引用菜单绝对定位在聊天输入区域上方层级，位置由光标镜像计算后写入。 */
.attachment-mention-menu {
    position: absolute;
    z-index: 25;
    width: min(248px, calc(100% - 24px));
    max-height: 232px;
    padding: 6px;
    overflow-y: auto;
    border: 1px solid var(--color-card-border);
    border-radius: 14px;
    background: var(--color-panel);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(18px);
}

/* 没有上传素材时仍展示轻量空态，告诉用户 @ 仅能引用当前聊天附件。 */
.attachment-mention-empty {
    margin: 0;
    padding: 10px 12px;
    color: var(--color-text-muted);
    font-size: 13px;
    text-align: center;
}

/* 菜单条目采用可聚焦按钮，鼠标点击和键盘高亮使用同一视觉状态。 */
.attachment-mention-option {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 10px;
    padding: 8px;
    border: 1px solid transparent;
    border-radius: 10px;
    color: var(--color-text-primary);
    font-size: 13px;
    font-weight: 600;
    text-align: left;
}

.attachment-mention-option:hover,
.attachment-mention-option.is-active {
    border-color: var(--color-accent-border);
    background: var(--color-accent-light);
    color: var(--color-accent);
}

/* 图片与视频预览保持统一尺寸，视频在加载元数据后显示首帧。 */
.attachment-mention-preview,
.attachment-mention-file-icon {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    overflow: hidden;
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    background: var(--color-bg-subtle);
    object-fit: cover;
}

.attachment-mention-file-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 19px;
}

/* 输入区底部边线在明暗皮肤下均保持足够可见性。 */
.theme-prompt-toolbar {
    border-top: 1px solid var(--color-card-border);
}

/* “+”上传按钮采用主题卡片和文字令牌。 */
.theme-plus-button {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    color: var(--color-text-secondary);
}

.theme-plus-button:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-border);
    color: var(--color-accent);
}

/* 发送按钮在两套皮肤下统一使用主题强调色。 */
.theme-submit-button {
    background: var(--color-accent);
    border: 1px solid var(--color-accent-border);
    color: #ffffff;
}

.theme-submit-button:hover:not(:disabled) {
    background: var(--color-accent-hover);
    box-shadow: var(--shadow-glow);
}

.theme-submit-button:disabled {
    cursor: wait;
    opacity: 0.68;
}

/* 任务总览当前页签使用语义类，避免脚本写入固定深色文本。 */
.tab-overview-btn.active-tab {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
}

/* 任务为空时禁止清理：降低不透明度并阻断悬停与点击反馈。 */
.overview-cleanup-button:disabled,
.overview-cleanup-button.is-disabled {
    cursor: not-allowed;
    opacity: 0.38;
    color: var(--color-text-muted);
    pointer-events: none;
}

.badge-status {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.55rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
}

.badge-queued { background: rgba(148, 163, 184, 0.15); color: #64748b; border: 1px solid rgba(148, 163, 184, 0.25); }
.badge-running { background: rgba(96, 165, 250, 0.15); color: #3b82f6; border: 1px solid rgba(96, 165, 250, 0.3); }
.badge-done { background: rgba(37, 99, 235, 0.14); color: #1d4ed8; border: 1px solid rgba(37, 99, 235, 0.34); }
.badge-failed { background: rgba(248, 113, 113, 0.15); color: #ef4444; border: 1px solid rgba(248, 113, 113, 0.3); }
.badge-paused,
.badge-cancelled { background: rgba(148, 163, 184, 0.15); color: #64748b; border: 1px solid rgba(148, 163, 184, 0.25); }

html.dark .badge-queued { color: #94a3b8; }
html.dark .badge-running { color: #60a5fa; }
html.dark .badge-done { color: #60a5fa; }
html.dark .badge-failed { color: #f87171; }
html.dark .badge-paused,
html.dark .badge-cancelled { color: #94a3b8; }

/* 选中任务后在原对话区域展示可交付的执行信息，不渲染 Agent 日志。 */
.task-execution-panel {
    width: min(100%, 880px);
    margin: 0 auto;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    color: var(--color-text-primary);
    border: 1px solid var(--color-panel-border);
    box-shadow: var(--shadow-lg);
}

/* 小屏保留页面边距，任务内容仍在卡片内部纵向滚动而不会撑破应用主区域。 */
@media (max-width: 640px) {
    .task-execution-panel {
        max-height: calc(100vh - 24px);
    }
}

/* 黑夜皮肤为任务进度容器增加可辨别的面板层和柔和投影，避免边框沉入背景。 */
html.dark .task-execution-panel {
    background: rgba(22, 26, 38, 0.9);
    border-color: rgba(148, 163, 184, 0.26);
    box-shadow: 0 22px 56px rgba(0, 0, 0, 0.58), 0 0 0 1px rgba(255, 255, 255, 0.025) inset;
}

.task-execution-header {
    border-color: var(--color-card-border);
}

.task-execution-eyebrow {
    color: var(--color-accent);
}

/* 任务标题与状态徽标共用同一基线，避免“已完成”标签出现上下偏移。 */
.task-progress-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

/* 标题下方以低强调度展示可审计的开始时间和耗时。 */
.task-execution-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    margin-top: 8px;
    color: var(--color-text-muted);
    font-size: 0.72rem;
    line-height: 1.45;
}

.task-execution-meta-row time {
    color: var(--color-text-secondary);
    font-variant-numeric: tabular-nums;
}

.task-execution-section {
    padding: 16px;
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: 16px;
}

html.dark .task-execution-section {
    background: rgba(255, 255, 255, 0.065);
    border-color: rgba(148, 163, 184, 0.2);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

.task-execution-section-title {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
}

.task-execution-user-text {
    margin: 0;
    color: var(--color-text-primary);
    line-height: 1.75;
    white-space: pre-wrap;
    word-break: break-word;
}

/* 作品描述只读引用令牌复用聊天框语义，并通过主题令牌保证明暗皮肤对比度。 */
.task-description-token {
    display: inline-block;
    margin-inline: 0.12em;
    padding-inline: 0.3em;
    border: var(--rule-hairline) solid var(--color-accent-border);
    border-radius: var(--radius-pill);
    background: linear-gradient(100deg, var(--color-accent-soft), var(--color-accent-light));
    color: var(--color-accent);
    font-weight: 700;
    line-height: 1.45;
    white-space: nowrap;
}

.task-description-token.is-skill {
    border-style: dashed;
}

.task-execution-muted {
    color: var(--color-text-muted);
}

/* 失败原因独立成卡片，确保审核、参数、网络与 Agent 错误都能清晰读取。 */
.task-execution-failure {
    border-color: rgba(239, 68, 68, 0.42);
    background: rgba(254, 242, 242, 0.78);
}

.task-execution-failure .task-execution-section-title {
    color: #dc2626;
}

.task-execution-failure-message {
    margin: 0;
    color: var(--color-text-primary);
    line-height: 1.65;
    white-space: pre-wrap;
    word-break: break-word;
}

.task-execution-failure-suggestion {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.84rem;
    line-height: 1.55;
}

html.dark .task-execution-failure {
    border-color: rgba(248, 113, 113, 0.38);
    background: rgba(127, 29, 29, 0.22);
}

html.dark .task-execution-failure .task-execution-section-title {
    color: #fca5a5;
}

.task-execution-outputs {
    display: grid;
    gap: 10px;
}

/* 任务需求附件采用紧凑网格，图片、视频与文件卡片均在主页面可直接查看。 */
.task-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.task-artifact-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
    padding: 12px;
    background: var(--color-card-hover);
    border: 1px solid var(--color-card-border);
    border-radius: 14px;
}

.task-artifact-heading {
    min-width: 0;
    color: var(--color-text-primary);
    font-size: 0.78rem;
}

.task-artifact-heading strong {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.task-artifact-image,
.task-artifact-video {
    width: 100%;
    max-height: 360px;
    object-fit: contain;
    background: rgba(15, 23, 42, 0.08);
    border-radius: 10px;
}

.task-artifact-audio {
    width: 100%;
    min-height: 36px;
}

.task-artifact-text {
    max-height: 300px;
    margin: 0;
    padding: 12px;
    overflow: auto;
    color: var(--color-text-primary);
    background: var(--color-panel);
    border: 1px solid var(--color-card-border);
    border-radius: 10px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.75rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

.task-artifact-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.task-artifact-action-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 5px 10px;
    color: var(--color-accent);
    background: var(--color-accent-light);
    border: 1px solid var(--color-accent-border);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.task-artifact-action-button:hover {
    background: var(--color-accent);
    color: #ffffff;
}

.task-output-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 14px;
    color: var(--color-text-primary);
    background: var(--color-card-hover);
    border: 1px solid var(--color-card-border);
    border-radius: 12px;
    transition: border-color 160ms ease, transform 160ms ease;
}

.task-output-card:hover {
    border-color: var(--color-accent-border);
    transform: translateY(-1px);
}

.task-output-card span:last-child {
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 600;
}

/* 极简自定义滚动条 */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(140, 140, 140, 0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(140, 140, 140, 0.45); }
/* 系统工作区 v3：作品、Skill、开发者角色与执行图谱。 */
html,
body {
    overflow-x: clip;
}

.sidebar-system-nav {
    display: grid;
    gap: var(--space-2xs);
    padding-block-start: var(--space-sm);
    border-block-start: var(--rule-hairline) solid var(--color-panel-border);
}

.sidebar-nav-item {
    min-height: 44px;
    padding-inline: var(--space-sm);
    border: var(--rule-hairline) solid transparent;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    background: transparent;
    font-size: var(--text-sm);
    font-weight: 600;
    text-align: start;
    white-space: nowrap;
    transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.sidebar-nav-item.is-active {
    color: var(--color-accent);
    background: var(--color-accent-light);
    border-color: var(--color-accent-border);
}

.workspace-panel {
    display: grid;
    gap: var(--space-xl);
    width: min(100%, 64rem);
    max-height: calc(100dvh - var(--space-2xl));
    overflow-y: auto;
    padding: clamp(var(--space-lg), 4vw, var(--space-xl));
    border: var(--rule-hairline) solid var(--color-panel-border);
    border-radius: var(--radius-lg);
    background: var(--color-panel);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-lg);
}

.workspace-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-lg);
    padding-block-end: var(--space-lg);
    border-block-end: var(--rule-hairline) solid var(--color-panel-border);
}

.workspace-heading h1 {
    min-width: 0;
    overflow-wrap: anywhere;
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-style: normal;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.workspace-heading p,
.workspace-card p,
.workspace-empty span {
    max-width: 65ch;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.workspace-action-strip,
.skill-editor {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-md);
}

.workspace-action-strip label,
.skill-editor label:not(.workspace-check) {
    display: grid;
    gap: var(--space-xs);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 600;
}

.workspace-action-strip input,
.skill-editor input[type="text"],
.skill-editor textarea {
    width: 100%;
    min-height: 44px;
    padding: var(--space-sm);
    border: var(--rule-hairline) solid var(--color-rule);
    outline: 2px solid transparent;
    outline-offset: 1px;
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
    font-family: var(--font-body);
}

.skill-editor textarea {
    min-height: 12rem;
    resize: vertical;
    font-family: var(--font-outlier);
    line-height: 1.6;
}

/* 模态框文本区使用更紧凑的动态高度，覆盖旧页面内嵌编辑器的十二 rem 下限。 */
.skill-editor-dialog textarea {
    height: clamp(9rem, 28dvh, 13rem);
    min-height: 9rem;
}

.workspace-button,
.workspace-link-button,
.account-role-button {
    min-height: 44px;
    padding-inline: var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-pill);
    background: var(--color-paper-2);
    color: var(--color-ink);
    font-weight: 600;
    white-space: nowrap;
    transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.workspace-button-primary {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-accent-ink);
}

.workspace-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
    gap: var(--space-md);
    margin-block-start: var(--space-sm);
}

.workspace-card,
.workspace-empty {
    display: grid;
    align-content: start;
    gap: var(--space-sm);
    min-width: 0;
    padding: var(--space-lg);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-card);
    color: var(--color-text-primary);
}

.workspace-card > span {
    color: var(--color-muted);
    font-family: var(--font-outlier);
    font-size: var(--text-xs);
}

.workspace-empty {
    grid-column: 1 / -1;
}

.workspace-inline-actions,
.workspace-check {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
}

.workspace-loading,
.workspace-error {
    padding: var(--space-lg);
    color: var(--color-text-secondary);
}

.workspace-error {
    color: var(--color-error);
}

.execution-graph-host {
    min-height: 24rem;
}

.execution-graph-canvas {
    position: relative;
    min-height: 24rem;
    overflow: auto;
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper-2);
}

.execution-graph-lines,
.execution-graph-nodes {
    position: absolute;
    inset: 0;
    min-width: 42rem;
    min-height: 24rem;
}

.execution-graph-lines path {
    fill: none;
    stroke: var(--color-rule);
    stroke-width: 2;
}

.execution-graph-node {
    position: absolute;
    display: grid;
    gap: var(--space-2xs);
    width: 10rem;
    min-height: 5rem;
    padding: var(--space-sm);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
    text-align: start;
    cursor: grab;
    touch-action: none;
}

.execution-graph-node > span,
.execution-graph-node > small {
    color: var(--color-muted);
    font-family: var(--font-outlier);
    font-size: var(--text-xs);
}

.execution-graph-detail {
    position: sticky;
    inset-inline-start: calc(100% - 15rem);
    inset-block-start: var(--space-sm);
    display: grid;
    gap: var(--space-sm);
    width: 14rem;
    max-height: 20rem;
    overflow: auto;
    padding: var(--space-sm);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
}

.execution-graph-detail pre {
    overflow-wrap: anywhere;
    white-space: pre-wrap;
    font-family: var(--font-outlier);
    font-size: var(--text-xs);
}

.developer-agent-log {
    max-height: 22rem;
    overflow: auto;
    padding: var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    background: var(--color-paper-2);
    color: var(--color-ink);
    font-family: var(--font-outlier);
    font-size: var(--text-xs);
    line-height: 1.6;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

/* 普通用户可见的业务日志只呈现脱敏阶段说明，不复用 Agent 原始终端日志样式。 */
.task-business-log {
    display: grid;
    gap: 0.55rem;
    max-height: 18rem;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.task-business-log-item {
    border-left: 3px solid var(--color-accent);
    border-radius: 0 0.75rem 0.75rem 0;
    background: var(--color-accent-light);
    padding: 0.65rem 0.8rem;
}

.task-business-log-item.is-error {
    border-left-color: var(--color-danger);
}

.task-business-log-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.25rem;
    color: var(--color-text-secondary);
    font-size: 0.72rem;
}

.task-business-log-item p {
    margin: 0;
    color: var(--color-text-primary);
    font-size: 0.82rem;
    line-height: 1.55;
    white-space: pre-wrap;
    word-break: break-word;
}

html.dark .task-business-log-item {
    background: var(--color-accent-light);
}

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

.workspace-button:disabled,
.workspace-link-button:disabled,
.sidebar-nav-item:disabled,
.account-role-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media (hover: hover) and (pointer: fine) {
    .workspace-button:hover,
    .workspace-link-button:hover,
    .sidebar-nav-item:hover,
    .account-role-button:hover {
        transform: translateY(-1px);
        background: var(--color-paper-3);
    }
    .workspace-button-primary:hover {
        background: var(--color-accent);
    }
}

.workspace-button:active,
.workspace-link-button:active,
.sidebar-nav-item:active,
.account-role-button:active {
    transform: translateY(1px);
}

@media (min-width: 40rem) {
    .workspace-action-strip {
        grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) auto;
        align-items: end;
    }
}

@media (max-width: 39.99rem) {
    .workspace-heading {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
    }
    .workspace-panel {
        padding: var(--space-md);
        max-height: calc(100dvh - var(--space-lg));
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 150ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 150ms !important;
    }
}

/* Hallmark · component: readonly-prompt · genre: atmospheric · theme: Day Foundry
 * states: default · hover · focus · active · disabled · loading · error · success
 * contrast: pass (40–41)
 */
/* 只读作品描述复用聊天框的信息顺序：附件在上，带引用令牌的原始输入在下。 */
.readonly-prompt {
    display: grid;
    gap: var(--space-sm);
    min-width: 0;
}

.readonly-prompt-files {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    align-items: stretch;
}

.readonly-file-card {
    display: grid;
    grid-template-columns: 3.25rem minmax(0, 1fr);
    gap: var(--space-xs);
    align-items: center;
    width: min(12.5rem, 100%);
    min-height: 4rem;
    padding: var(--space-2xs);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper);
    color: var(--color-ink);
    text-align: left;
    cursor: pointer;
    transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out);
}

.readonly-file-preview {
    display: grid;
    place-items: center;
    width: 3.25rem;
    height: 3.25rem;
    overflow: clip;
    border-radius: calc(var(--radius-md) - var(--space-2xs));
    background: var(--color-paper-2);
    color: var(--color-accent);
}

.readonly-file-preview img,
.readonly-file-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.readonly-file-preview.is-error {
    border: var(--rule-hairline) solid var(--color-error);
    color: var(--color-error);
}

.readonly-file-icon {
    font-family: var(--font-outlier);
    font-size: var(--text-md);
    line-height: 1;
}

.readonly-file-meta {
    display: grid;
    gap: var(--space-3xs);
    min-width: 0;
}

.readonly-file-meta strong {
    overflow: hidden;
    color: var(--color-ink);
    font-size: var(--text-sm);
    font-weight: 650;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.readonly-file-meta small {
    color: var(--color-neutral);
    font-size: var(--text-xs);
}

.readonly-prompt-text {
    min-width: 0;
    margin: 0;
    color: var(--color-ink);
    font-size: var(--text-base);
    line-height: 1.75;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

/* 可点击的 @文件N 保留令牌视觉，同时使用按钮语义获得键盘操作能力。 */
.task-description-token.is-actionable {
    appearance: none;
    font: inherit;
    cursor: pointer;
    vertical-align: baseline;
}

.readonly-file-menu {
    position: fixed;
    inset: auto;
    z-index: 120;
    width: min(14rem, calc(100vw - 1.5rem));
    margin: 0;
    padding: var(--space-xs);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper);
    color: var(--color-ink);
    box-shadow: 0 1rem 2.6rem var(--color-scrim);
}

.readonly-file-menu:not(:popover-open):not(.is-open) {
    display: none;
}

.readonly-file-menu-heading {
    display: grid;
    gap: var(--space-3xs);
    padding: var(--space-2xs) var(--space-xs) var(--space-xs);
    border-bottom: var(--rule-hairline) solid var(--color-rule);
}

.readonly-file-menu-heading strong {
    color: var(--color-accent);
    font-size: var(--text-xs);
}

.readonly-file-menu-heading span {
    overflow: hidden;
    color: var(--color-ink-2);
    font-size: var(--text-xs);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.readonly-file-menu-action {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 2.75rem;
    margin-top: var(--space-2xs);
    padding: 0 var(--space-sm);
    border: var(--rule-hairline) solid transparent;
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
    font-size: var(--text-sm);
    font-weight: 650;
    cursor: pointer;
    transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.readonly-file-card:focus-visible,
.readonly-file-card.is-focus,
.task-description-token.is-actionable:focus-visible,
.readonly-file-menu-action:focus-visible,
.readonly-preview-close:focus-visible,
.readonly-preview-download:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
    .readonly-file-card:hover,
    .readonly-file-card.is-hover,
    .readonly-file-menu-action:hover {
        transform: translateY(-1px);
        background: var(--color-paper-2);
        color: var(--color-ink);
    }

    .task-description-token.is-actionable:hover {
        background: var(--color-accent);
        color: var(--color-accent-ink);
    }
}

.readonly-file-card:active,
.readonly-file-card.is-active,
.task-description-token.is-actionable:active,
.readonly-file-menu-action:active,
.readonly-preview-close:active,
.readonly-preview-download:active {
    transform: translateY(1px);
}

.readonly-file-card:disabled,
.readonly-file-menu-action:disabled,
.readonly-preview-download:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.readonly-file-card[data-state="loading"] {
    background: var(--color-paper-2);
    color: var(--color-neutral);
    cursor: wait;
}

.readonly-file-card[data-state="error"] {
    border-color: var(--color-error);
    background: var(--color-paper);
    color: var(--color-error);
}

.readonly-file-card[data-state="success"] {
    border-color: var(--color-success);
    background: var(--color-paper);
    color: var(--color-success);
}

.readonly-file-menu-action[data-state="loading"],
.readonly-preview-download[data-state="loading"] {
    background: var(--color-paper-2);
    color: var(--color-neutral);
    cursor: wait;
}

.readonly-file-menu-action[data-state="error"],
.readonly-preview-download[data-state="error"] {
    border-color: var(--color-error);
    background: var(--color-paper);
    color: var(--color-error);
}

.readonly-file-menu-action[data-state="success"],
.readonly-preview-download[data-state="success"] {
    border-color: var(--color-success);
    background: var(--color-paper);
    color: var(--color-success);
}

/* 媒体预览使用原生 dialog，保证焦点陷阱、Esc 关闭和遮罩层行为一致。 */
.readonly-preview-dialog {
    position: fixed;
    inset: 0;
    width: min(56rem, calc(100vw - 1.5rem));
    max-width: none;
    height: fit-content;
    max-height: min(82vh, 46rem);
    margin: auto;
    padding: 0;
    overflow: clip;
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-lg);
    background: var(--color-paper);
    color: var(--color-ink);
    box-shadow: 0 1.5rem 4rem var(--color-scrim);
}

.readonly-preview-dialog::backdrop {
    background: var(--color-scrim);
    backdrop-filter: blur(8px);
}

.readonly-preview-card {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    max-height: min(82vh, 46rem);
}

.readonly-preview-card > header,
.readonly-preview-card > footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
}

.readonly-preview-card > header {
    border-bottom: var(--rule-hairline) solid var(--color-rule);
}

.readonly-preview-card > header strong {
    min-width: 0;
    overflow: hidden;
    color: var(--color-ink);
    font-size: var(--text-sm);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.readonly-preview-card > footer {
    justify-content: flex-end;
    border-top: var(--rule-hairline) solid var(--color-rule);
}

.readonly-preview-close,
.readonly-preview-download {
    min-height: 2.75rem;
    padding: 0 var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-pill);
    background: var(--color-paper);
    color: var(--color-ink);
    font-size: var(--text-sm);
    font-weight: 650;
    cursor: pointer;
}

.readonly-preview-download {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-accent-ink);
}

.readonly-preview-body {
    display: grid;
    place-items: center;
    min-height: 12rem;
    overflow: auto;
    padding: var(--space-md);
    background: var(--color-paper-2);
    color: var(--color-ink);
}

.readonly-preview-body img,
.readonly-preview-body video {
    display: block;
    max-width: 100%;
    max-height: min(62vh, 36rem);
    object-fit: contain;
}

.readonly-preview-body audio {
    width: min(32rem, 100%);
}

.collection-work-note {
    display: grid;
    gap: var(--space-2xs);
    margin: 0;
    color: var(--color-ink-2);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.collection-work-note strong,
.shared-output-heading {
    color: var(--color-neutral);
    font-size: var(--text-xs);
    font-weight: 700;
}

.collection-readonly-prompt,
.shared-work-user-input .readonly-prompt {
    padding: var(--space-sm);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper);
    color: var(--color-ink);
}

.shared-output-heading {
    margin: var(--space-md) 0 var(--space-xs);
}

.shared-asset-grid audio {
    width: 100%;
}

@media (max-width: 39.99rem) {
    .readonly-file-card {
        width: 100%;
    }

    .readonly-preview-dialog {
        width: calc(100vw - 1rem);
    }

    .readonly-preview-card > header,
    .readonly-preview-card > footer {
        padding-inline: var(--space-sm);
    }
}
/* ==========================================
 * 作品明细支持后台
 * Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V4
 * Hallmark · macrostructure: Workbench · tone: technical · anchor hue: blue
 * ========================================== */
.support-workspace {
    display: grid;
    gap: var(--space-lg);
    min-width: 0;
}

.support-workspace-heading p {
    max-width: 44rem;
    color: var(--color-neutral);
}

.support-filter-bar {
    display: grid;
    grid-template-columns: minmax(12rem, 1.3fr) minmax(12rem, 1fr) minmax(10rem, 0.8fr) auto;
    align-items: end;
    gap: var(--space-md);
    padding: var(--space-lg);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-md);
    background: var(--color-paper-2);
}

.support-filter-bar label {
    display: grid;
    gap: var(--space-xs);
    min-width: 0;
    color: var(--color-neutral);
    font-size: var(--text-xs);
    font-weight: 600;
}

.support-filter-bar input,
.support-filter-bar select {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: var(--space-sm) var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    outline: 2px solid transparent;
    outline-offset: 1px;
    background: var(--color-paper);
    color: var(--color-ink);
}

.support-filter-bar input:hover,
.support-filter-bar select:hover {
    border-color: var(--color-muted);
}

.support-filter-bar input:focus-visible,
.support-filter-bar select:focus-visible {
    border-color: var(--color-focus);
    outline-color: var(--color-focus);
}

.support-filter-actions,
.support-pagination {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.support-result-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--color-neutral);
    font-size: var(--text-sm);
}

.support-work-list {
    display: grid;
    gap: var(--space-xs);
    min-width: 0;
}

.support-work-row {
    display: grid;
    grid-template-columns: minmax(10rem, 0.85fr) minmax(16rem, 1.6fr) auto minmax(9rem, 0.7fr) auto;
    align-items: center;
    gap: var(--space-md);
    min-width: 0;
    padding: var(--space-md);
    border: var(--rule-hairline) solid var(--color-rule);
    border-radius: var(--radius-sm);
    outline: 2px solid transparent;
    outline-offset: 2px;
    background: var(--color-paper-2);
    color: var(--color-ink);
    transition: transform var(--dur-micro) var(--ease-out), opacity var(--dur-micro) var(--ease-out);
}

.support-work-row:hover {
    border-color: var(--color-accent);
    transform: translateY(-1px);
}

.support-work-row:focus-visible {
    outline-color: var(--color-focus);
}

.support-work-row:active {
    transform: translateY(0);
}

.support-owner-cell {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-width: 0;
}

.support-owner-cell img,
.support-owner-fallback,
.task-support-owner img,
.task-support-owner-fallback {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-pill);
    object-fit: cover;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-weight: 700;
}

.support-owner-cell > span,
.support-work-identity {
    display: grid;
    gap: var(--space-2xs);
    min-width: 0;
}

.support-owner-cell small,
.support-work-row time,
.support-work-identity span,
.task-support-owner small {
    color: var(--color-neutral);
    font-size: var(--text-xs);
}

.support-owner-cell strong,
.support-work-identity strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.support-work-identity strong {
    font-family: var(--font-outlier);
}

.support-work-identity span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.support-pagination {
    justify-content: flex-end;
    padding-block-start: var(--space-sm);
    border-top: var(--rule-hairline) solid var(--color-rule);
}

.support-pagination span {
    min-width: 7rem;
    color: var(--color-neutral);
    text-align: center;
}

.support-workspace .workspace-button:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

.support-workspace .workspace-button:active {
    transform: translateY(1px);
}

.support-workspace .workspace-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.support-workspace .workspace-empty.is-loading {
    color: var(--color-neutral);
}

.support-workspace .workspace-empty.is-error {
    border-color: var(--color-error);
    color: var(--color-error);
}

.task-support-owner {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    min-width: 0;
    padding-block-start: var(--space-xs);
    color: var(--color-neutral);
    font-size: var(--text-xs);
}

.task-support-owner img,
.task-support-owner-fallback {
    width: 1.75rem;
    height: 1.75rem;
}

@media (max-width: 980px) {
    .support-filter-bar {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }

    .support-work-row {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .support-work-identity {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .support-work-row time {
        grid-column: 1;
    }
}

@media (max-width: 640px) {
    .support-filter-bar {
        grid-template-columns: minmax(0, 1fr);
    }

    .support-filter-actions {
        justify-content: stretch;
    }

    .support-filter-actions button {
        flex: 1 1 0;
    }

    .support-work-row {
        grid-template-columns: minmax(0, 1fr);
    }

    .support-work-identity,
    .support-work-row time {
        grid-column: auto;
        grid-row: auto;
    }

    .support-work-row > button {
        width: 100%;
    }

    .support-pagination {
        justify-content: space-between;
    }
}

@media (prefers-reduced-motion: reduce) {
    .support-work-row {
        transition-duration: var(--dur-micro);
    }

    .support-work-row:hover,
    .support-work-row:active {
        transform: none;
    }
}