/* ===========
   Hao AI - 卡片样式
   ============== */

.card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: var(--duration-base) var(--easing-standard);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    height: 2px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0;
    transition: opacity var(--duration-base) var(--easing-standard);
}

.card:hover {
    border-color: var(--color-border-light);
    background: var(--card-bg);
    box-shadow: var(--shadow-md);
}

.card:hover::before {
    opacity: 0.3;
}

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

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

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

.card-footer {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 系列卡片 - Series Card */
.series-card {
    position: relative;
    cursor: pointer;
    transition: all var(--duration-base) var(--easing-standard);
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--card-bg);
    border: 1px solid var(--color-border);
    width: 100%;
    max-width: 220px;
    margin: 0 auto;
}

.series-image {
    position: relative;
    width: 100%;
    padding-bottom: 130%;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.08) 0%, rgba(var(--color-primary-rgb), 0.03) 100%);
}

.series-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-base) var(--easing-standard);
}

.series-card:hover .series-image img {
    transform: scale(1.05);
}

.series-label {
    padding: 10px 14px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: center;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.series-label-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.series-time {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 400;
    color: var(--color-text-muted);
    opacity: 0.5;
    line-height: 1;
}

/* 剧集卡片：底部副行（作者 · 更新时间） */
.series-meta {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 400;
    color: var(--color-text-muted);
    opacity: 0.6;
    line-height: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.series-card:hover .series-time {
    opacity: 0.7;
}

.series-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(var(--color-primary-rgb), 0.2);
    transform: translateY(-4px);
}

.series-card:active {
    transform: translateY(-2px);
}

/* 迷你卡片 */
.card-mini {
    padding: var(--space-md);
    font-size: 12px;
}

.card-mini .card-title {
    font-size: 14px;
}

/* 平面卡片 */
.card-flat {
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
}

.card-flat:hover {
    background: transparent;
    box-shadow: none;
}

/* 玻璃拟态卡片 */
.card-glass {
    background: var(--card-bg);
    border: 1px solid var(--color-border-light);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.card-glass:hover {
    background: var(--hover-bg);
    border-color: var(--color-border-light);
}

/* 响应式 */
@media (max-width: 768px) {
    .card {
        padding: var(--space-md);
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
      gap: var(--space-md);
    }

    /* 移动端触摸目标最小 44px */
    .btn {
        min-height: 44px;
        padding: 10px 18px;
        font-size: 14px;
    }
    .btn-sm {
        min-height: 36px;
        padding: 6px 14px;
        font-size: 13px;
    }
    .btn-xs {
        min-height: 32px;
        padding: 4px 10px;
        font-size: 11px;
    }

    /* 表单控件触摸优化 */
    .form-input,
    .form-textarea,
    .form-select {
        font-size: 16px; /* 防止 iOS 缩放 */
        padding: 12px 14px;
        min-height: 44px;
    }
}

@media (max-width: 480px) {
    .btn {
        min-height: 46px;
        font-size: 15px;
    }
}

/* ==============
   表单样式
   =============== */

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.form-label .required {
    color: var(--color-error);
    margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    padding: 10px 12px;
    font-family: inherit;
    font-size: 14px;
    transition: var(--duration-base) var(--easing-standard);
}

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--input-bg);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

/* select 组件：统一下拉箭头 */
.form-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

.form-select:hover {
    border-color: rgba(var(--color-primary-rgb), 0.5);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.5;
}

/* 字符计数 */
.char-count {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 4px;
    text-align: right;
}

.char-count.warning {
    color: var(--color-warning);
}

.char-count.error {
    color: var(--color-error);
}

/* 文件上传区 */
.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-2xl);
    text-align: center;
    cursor: pointer;
    transition: var(--duration-base) var(--easing-standard);
    background: var(--card-bg);
}

.upload-area:hover {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.05);
}

.upload-area.active {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.1);
}

.upload-icon {
    font-size: 32px;
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

.upload-text {
    font-size: 14px;
    color: var(--color-text-muted);
}

.upload-area img {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius-md);
}

/* 隐藏文件输入 */
.hidden-input {
    display: none;
}

/* 表单错误 */
.form-error {
    font-size: 12px;
    color: var(--color-error);
    margin-top: 4px;
}

.form-input.error,
.form-textarea.error {
    border-color: var(--color-error);
    background: rgba(var(--color-error-rgb), 0.05);
}

.form-input.error:focus,
.form-textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-error-rgb), 0.1);
}

/* 表单成功 */
.form-input.success,
.form-textarea.success {
    border-color: var(--color-success);
    background: rgba(var(--color-success-rgb), 0.05);
}

.form-input.success:focus,
.form-textarea.success:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-success-rgb), 0.1);
}

/* 表单提示 */
.form-hint {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* 表单组 */
.form-group-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

/* 表单按钮组 */
.form-actions {
  display: flex;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
    justify-content: flex-end;
}

/* 密码输入框容器（含切换按钮） */
.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper .form-input {
    width: 100%;
    padding-right: 44px;
}

.password-toggle {
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.password-toggle:hover {
    opacity: 1;
    color: var(--color-text-primary);
}

/* 密码错误提示 */
.password-error {
    font-size: 12px;
    color: #ef4444;
    margin-top: 4px;
    display: none;
}

.password-error.visible {
    display: block;
}

/* 响应式 */
@media (max-width: 768px) {
    .form-group {
      margin-bottom: var(--space-md);
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .upload-area {
        padding: var(--space-lg);
    }

    .upload-icon {
        font-size: 24px;
        margin-bottom: var(--space-sm);
    }
}

/* -- 温度滑块 -- */
.temp-slider-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.temp-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(to right, #6366f1, #a78bfa, #f472b6);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.temp-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-bg-primary, #1e293b);
    border: 2px solid var(--color-primary, #6366f1);
    cursor: pointer;
    transition: transform 0.15s;
}

.temp-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.temp-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-bg-primary, #1e293b);
    border: 2px solid var(--color-primary, #6366f1);
    cursor: pointer;
}

.temp-labels {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--color-text-muted, #94a3b8);
    padding: 0 2px;
}

/* ── 风格提示词子标签页 ── */
.style-tab-btns {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.style-subtab {
    padding: 6px 16px;
    background: var(--card-bg);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--duration-fast) var(--easing-standard);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
}
.style-subtab:hover {
    background: var(--hover-bg);
    color: var(--color-text-primary);
    border-color: var(--color-primary);
}
.style-subtab.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.style-panel {
    display: none;
}
.style-panel.active {
    display: block;
}

/* ── 风格参考图上传 ── */
.style-img-section {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--color-border);
}
.style-img-row {
    display: flex;
    gap: 8px;
    align-items: center;
}
.style-img-preview {
    position: relative;
    display: inline-block;
    margin-top: 8px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
    line-height: 0;
}
.style-img-thumb {
    max-width: 100px;
    max-height: 70px;
    object-fit: cover;
    display: block;
}
.style-img-clear {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: none;
    background: rgba(0,0,0,0.5);
    color: #fff;
    font-size: 13px;
    line-height: 20px;
    text-align: center;
    cursor: pointer;
    padding: 0;
    transition: background var(--duration-fast) var(--easing-standard);
}
.style-img-clear:hover {
    background: rgba(239,68,68,0.8);
}

/* ── 风格提示词整体 JSON 编辑 ── */
.style-json-group {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed var(--color-border);
}
.style-json-field {
    font-family: Consolas, "Courier New", "微软雅黑", monospace;
    font-size: 12px;
    line-height: 1.6;
    min-height: 180px;
}
.style-json-field[readonly] {
    opacity: 0.7;
}
.style-json-field.style-json-error {
    border-color: var(--color-danger, #ef4444);
    box-shadow: 0 0 0 1px var(--color-danger, #ef4444);
}


/* ==========================================================================
   下拉菜单组件（通用）
   原先只写在 episode.css 里，但 index.html 不加载它 —— 技能设置弹窗也要用同一套
   下拉（「管理」菜单），所以抽到这里，两个页面都能复用。
   用法：.toolbar-dropdown > .toolbar-dropdown-trigger + .toolbar-dropdown-menu
         菜单项用 .toolbar-dropdown-item；展开态给容器加 .open
   ========================================================================== */
.toolbar-dropdown {
    position: relative;
    flex-shrink: 0;
}

.toolbar-dropdown-trigger {
    gap: 6px;
    white-space: nowrap;
}

/* 「更多工具」：胶囊菜单式按钮 */
.toolbar-left .toolbar-dropdown-trigger {
    border-radius: var(--radius-pill);
    background: rgba(var(--color-primary-rgb), 0.08);
    border-color: rgba(var(--color-primary-rgb), 0.25);
    color: var(--color-primary);
    font-weight: 600;
    padding-left: 12px;
}
.toolbar-left .toolbar-dropdown-trigger:hover,
.toolbar-left .toolbar-dropdown.open .toolbar-dropdown-trigger,
.toolbar-left .toolbar-dropdown-trigger[aria-expanded="true"] {
    background: rgba(var(--color-primary-rgb), 0.14);
    border-color: rgba(var(--color-primary-rgb), 0.5);
    color: var(--color-primary);
}

.toolbar-dropdown-trigger[aria-expanded="true"] {
    color: var(--color-primary);
    border-color: rgba(var(--color-primary-rgb), 0.4);
    background: rgba(var(--color-primary-rgb), 0.08);
}

.toolbar-dropdown-label {
    line-height: 1;
}

.toolbar-dropdown-caret {
    flex-shrink: 0;
    opacity: 0.75;
    transition: transform 0.18s var(--easing-standard);
}
.toolbar-dropdown.open .toolbar-dropdown-caret,
.toolbar-dropdown-trigger[aria-expanded="true"] .toolbar-dropdown-caret {
    transform: rotate(180deg);
}

/* 下拉浮层：淡入 + 轻微上浮（展开/收起均可平滑过渡） */
.toolbar-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    z-index: 1000;
    min-width: 216px;
    width: max-content;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transform-origin: top left;
    pointer-events: none;
    transition: opacity 0.16s var(--easing-standard),
                transform 0.16s var(--easing-standard),
                visibility 0s linear 0.16s;
}
.toolbar-dropdown.open .toolbar-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    transition: opacity 0.16s var(--easing-standard),
                transform 0.16s var(--easing-standard),
                visibility 0s;
}

/* 「视图」折叠下拉靠右对齐 */
.toolbar-right .toolbar-dropdown-menu {
    left: auto;
    right: 0;
}

/* 「更多工具」浮层：顶部小箭头指向触发按钮 */
.toolbar-left .toolbar-dropdown-menu::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 22px;
    width: 10px;
    height: 10px;
    background: var(--color-bg-secondary);
    border-left: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
    transform: rotate(45deg);
    border-top-left-radius: 3px;
}

/* 菜单项逐个轻盈入场：延迟由 --item-index 自动换算（第 n 项 = (n-1) × 0.03s，增删菜单项无需再改 CSS） */
.toolbar-dropdown.open .toolbar-dropdown-item {
    animation: toolbar-dropdown-item-in 0.2s var(--easing-standard) both;
    animation-delay: calc((var(--item-index, 1) - 1) * 0.03s);
}
@keyframes toolbar-dropdown-item-in {
    from { opacity: 0; transform: translateY(5px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 菜单项 */
.toolbar-dropdown-item {
    /* 入场顺序序号，由 JS 写入；未写入时按第 1 项（无延迟）处理 */
    --item-index: 1;
    position: relative;
    display: flex;
    align-items: center;
    gap: 9px;
    width: 100%;
    padding: 9px 12px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 12px;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.toolbar-dropdown-item:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}
.toolbar-dropdown-item.active {
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.1);
}
.toolbar-dropdown-item.active::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 14px;
    border-radius: 3px;
    background: var(--color-primary);
}
.toolbar-dropdown-item svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    opacity: 0.9;
}

/* 下拉项：主标题 + 检测小字 */
.toolbar-dropdown-item .toolbar-dropdown-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
    line-height: 1.25;
}
.toolbar-dropdown-item .toolbar-dropdown-title {
    color: inherit;
}
.toolbar-dropdown-item .toolbar-dropdown-hint {
    font-size: 11px;
    font-weight: 400;
    color: var(--color-text-muted);
    white-space: nowrap;
}
.toolbar-dropdown-item .toolbar-dropdown-hint.ok {
    color: var(--color-success);
}
.toolbar-dropdown-item .toolbar-dropdown-hint.warn {
    color: var(--color-warning);
}

/* 下拉项：数字快捷键徽标（右端，按 1~5 呼出对应模态框） */
.toolbar-dropdown-item[data-hotkey]::after {
    content: attr(data-hotkey);
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    margin-left: 8px;
    border-radius: var(--radius-pill);
    background: var(--color-bg-main);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 11px;
    line-height: 1;
    font-weight: 500;
}
.toolbar-dropdown-item[data-hotkey]:hover::after,
.toolbar-dropdown-item[data-hotkey].active::after {
    border-color: rgba(var(--color-primary-rgb), 0.45);
    color: var(--color-primary);
}

/* 智能体权限模式分段控件（询问 / 完全权限）
   为什么放这里：index.html 不加载 episode.css，控制台与章节聊天共用这个控件。 */
/* ── 智能体权限模式分段控件（询问 / 完全权限） ── */
.chat-agent-mode {
    display: inline-flex;
    flex: 0 0 auto;
    padding: 2px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-main);
}
.chat-agent-mode-option {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 12px;
    font-family: inherit;
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition-fast);
}
.chat-agent-mode-option:hover {
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.06);
}
.chat-agent-mode-option.active {
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.12);
    font-weight: 600;
}
.chat-agent-mode-option .icon {
    width: 13px;
    height: 13px;
}
/* 完全权限档用警示色，提示"会直接改动剧本内容" */
.chat-agent-mode-option.active.is-full {
    color: var(--color-warning);
    background: rgba(var(--color-warning-rgb), 0.14);
}
.chat-agent-mode[disabled] {
    opacity: 0.5;
    pointer-events: none;
}

/* ==========================
   新版本可用提示条（js/utils.js 的版本检测）
   长开不刷新的页面会一直跑旧代码，这里提示一次，用户点一下就能用上新版本。
   固定在底部居中、不遮挡操作，`z-index` 高于常规内容但低于模态框遮罩。
   ========================== */
.version-update-banner {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    z-index: var(--z-toast, 11000);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--color-bg-elevated, var(--color-bg-secondary));
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
    font-size: 13px;
    line-height: 1.4;
    max-width: calc(100vw - 32px);
}
/* ==========================
   AI 智能体浮动入口（js/agent-bubble.js）
   折角纸片小助手：可拖动、位置记忆、点击打开智能体控制台。
   z-index 压在侧边栏(1000)与模态框遮罩(999)之下，弹窗一开就被遮罩盖住，不抢焦点。
   ========================== */
.agent-bubble {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 900;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    padding: 0;
    border: 1px solid var(--color-border-light);
    border-radius: 50%;
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-lg);
    cursor: grab;
    touch-action: none;                 /* 触摸拖动时不带着页面一起滚 */
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.2s ease;
}
.agent-bubble:hover,
.agent-bubble:focus-visible {
    transform: translateY(-2px) scale(1.04);
    box-shadow: var(--shadow-lg), 0 0 0 4px rgba(var(--color-accent-blue-rgb), 0.12);
    outline: none;
}
.agent-bubble:focus-visible {
    border-color: var(--color-accent-blue);
}
.agent-bubble.is-dragging {
    cursor: grabbing;
    transform: scale(0.94);
    box-shadow: var(--shadow-md);
    transition: none;
}
.agent-bubble.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* 角色本体：呼吸浮动；悬停时呼吸加快 + 折角抖一下，像被逗了一下 */
.agent-bubble-art {
    width: 34px;
    height: 34px;
    overflow: visible;
    animation: agent-bubble-float 3.4s ease-in-out infinite;
}
.agent-bubble:hover .agent-bubble-art {
    animation-duration: 1.5s;
}
.agent-bubble-fold {
    transform-box: fill-box;
    transform-origin: 0% 100%;
}
.agent-bubble:hover .agent-bubble-fold {
    animation: agent-bubble-flap 0.5s ease-in-out;
}
.agent-bubble-eye {
    transform-box: fill-box;
    transform-origin: center;
    animation: agent-bubble-blink 6s infinite;
}

/* 悬停/聚焦才出名字，平时保持干净 */
.agent-bubble-tip {
    position: absolute;
    top: 50%;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    background: var(--color-text-primary);
    color: var(--color-bg-secondary);
    font-size: 12px;
    line-height: 1.4;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%) scale(0.94);
    transition: opacity 0.15s ease, transform 0.15s ease;
}
.agent-bubble[data-side="right"] .agent-bubble-tip {
    right: calc(100% + 10px);
    transform-origin: 100% 50%;
}
.agent-bubble[data-side="left"] .agent-bubble-tip {
    left: calc(100% + 10px);
    transform-origin: 0% 50%;
}
.agent-bubble:hover .agent-bubble-tip,
.agent-bubble:focus-visible .agent-bubble-tip {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

@keyframes agent-bubble-float {
    0%, 100% { transform: translateY(0) rotate(-1.5deg); }
    50%      { transform: translateY(-3px) rotate(1.5deg); }
}
@keyframes agent-bubble-blink {
    0%, 92%, 100% { transform: scaleY(1); }
    95%           { transform: scaleY(0.12); }
}
@keyframes agent-bubble-flap {
    0%, 100% { transform: rotate(0deg); }
    50%      { transform: rotate(-14deg); }
}

@media (max-width: 768px) {
    .agent-bubble {
        width: 46px;
        height: 46px;
    }
    .agent-bubble-art {
        width: 28px;
        height: 28px;
    }
    .agent-bubble-tip {
        display: none;      /* 手机上没有悬停，名字标签只会碍事 */
    }
}

@media (prefers-reduced-motion: reduce) {
    .agent-bubble-art,
    .agent-bubble-eye,
    .agent-bubble-fold {
        animation: none;
    }
}