/* ── PageAgent — 全站 AI 顾问样式 ── */

/* ===== 角色 ===== */
.pa-character {
    position: fixed;
    z-index: 1060;
    cursor: grab;
    user-select: none;
    touch-action: none;
    filter: drop-shadow(0 4px 12px rgba(58, 111, 176, 0.25));
    transition: filter 0.25s;
}
.pa-character:hover {
    filter: drop-shadow(0 6px 18px rgba(58, 111, 176, 0.4));
}
.pa-character.pa-dragging {
    cursor: grabbing;
    filter: drop-shadow(0 10px 24px rgba(58, 111, 176, 0.45));
}
.pa-character:focus-visible {
    outline: 2px solid #3a6fb0;
    outline-offset: 4px;
    border-radius: 50%;
}
.pa-svg {
    display: block;
}

/* 待机建议气泡 */
.pa-suggestion {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 12px;
    padding: 8px 14px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #e8e4e0);
    border-radius: 14px;
    box-shadow: var(--shadow-md);
    font-size: 0.78rem;
    color: var(--text-secondary, #6b7d8e);
    white-space: nowrap;
    pointer-events: none;
    z-index: 5;
}
.pa-suggestion::after {
    content: '';
    position: absolute;
    top: 100%; left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--bg-card, #fff);
}
.pa-sug-in {
    animation: pa-sug-slide-in 0.4s ease-out forwards;
}
.pa-sug-out {
    animation: pa-sug-slide-out 0.4s ease-in forwards;
}
@keyframes pa-sug-slide-in {
    from { opacity: 0; transform: translateX(-50%) translateY(8px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@keyframes pa-sug-slide-out {
    from { opacity: 1; transform: translateX(-50%) translateY(0); }
    to   { opacity: 0; transform: translateX(-50%) translateY(8px); }
}

/* 提醒徽章 */
.pa-badge {
    position: absolute;
    top: -8px; right: -8px;
    min-width: 20px; height: 20px;
    border-radius: 10px;
    background: #dc3545;
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    box-shadow: 0 2px 6px rgba(220,53,69,0.4);
    z-index: 5;
    animation: pa-badge-pulse 2s ease-in-out infinite;
    cursor: pointer;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}
@keyframes pa-badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}
/* 拖拽中隐藏原红点（由 SVG 覆盖层接管渲染） */
.pa-badge-dragging {
    opacity: 0 !important;
    animation: none !important;
}

/* 重试链接 */
.pa-retry-link {
    display: inline-block;
    margin-left: 4px;
    color: #3a6fb0;
    cursor: pointer;
    text-decoration: underline;
    font-weight: 500;
}
.pa-retry-link:hover { color: #3a6fb0; }

/* 边缘光效 */
.pa-edge-glow {
    position: absolute;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}
.pa-edge-glow.active { opacity: 1; }
.pa-edge-l {
    left: -12px; top: 50%; transform: translateY(-50%);
    width: 10px; height: 50px;
    background: radial-gradient(ellipse at left, rgba(58,111,176,0.5), transparent);
    border-radius: 50%;
}
.pa-edge-r {
    right: -12px; top: 50%; transform: translateY(-50%);
    width: 10px; height: 50px;
    background: radial-gradient(ellipse at right, rgba(58,111,176,0.5), transparent);
    border-radius: 50%;
}
.pa-edge-t {
    top: -12px; left: 50%; transform: translateX(-50%);
    width: 50px; height: 10px;
    background: radial-gradient(ellipse at top, rgba(58,111,176,0.5), transparent);
    border-radius: 50%;
}
.pa-edge-b {
    bottom: -12px; left: 50%; transform: translateX(-50%);
    width: 50px; height: 10px;
    background: radial-gradient(ellipse at bottom, rgba(58,111,176,0.5), transparent);
    border-radius: 50%;
}

/* 阴影 */
.pa-shadow {
    position: absolute;
    left: 50%; transform: translateX(-50%);
    bottom: -4px;
    width: 56px; height: 12px;
    background: rgba(0,0,0,0.12);
    border-radius: 50%;
    filter: blur(4px);
    transition: all 0.2s;
}
.pa-dragging .pa-shadow {
    width: 42px; height: 5px;
    bottom: -10px;
    opacity: 0.08;
}

/* ===== 右键菜单 ===== */
.pa-ctxmenu {
    position: fixed;
    z-index: 9999;
    min-width: 170px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #e8e4e0);
    border-radius: var(--radius-md, 14px);
    box-shadow: var(--shadow-lg, 0 10px 32px rgba(0,0,0,0.08));
    padding: 6px 0;
    animation: pa-fade-in 0.15s ease-out;
}
.pa-ctxmenu-item {
    display: flex;
    align-items: center;
    padding: 9px 16px;
    font-size: 0.88rem;
    color: var(--text-primary, #2c3e50);
    text-decoration: none;
    cursor: pointer;
    transition: background 0.12s;
}
.pa-ctxmenu-item:hover {
    background: rgba(58,111,176,0.08);
    color: #3a6fb0;
}
.pa-ctxmenu-divider {
    margin: 4px 0;
    border: none;
    border-top: 1px solid var(--border-color, #e8e4e0);
}
.pa-ctxmenu-label {
    display: flex;
    align-items: center;
    padding: 6px 16px;
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--text-muted, #8a97a5);
    letter-spacing: 0.04em;
}
.pa-skin-item {
    justify-content: flex-start;
    gap: 8px;
    padding-left: 16px;
}
.pa-skin-item.active {
    color: #3a6fb0;
    font-weight: 600;
}
.pa-skin-check {
    margin-left: auto;
    visibility: hidden;
    color: #3a6fb0;
    font-size: 0.8rem;
}
.pa-skin-item.active .pa-skin-check {
    visibility: visible;
}
.pa-skin-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid rgba(0,0,0,0.12);
}
.pa-skin-dot-explorer {
    background: linear-gradient(135deg, #5b8fd4, #2e5a93);
}
.pa-skin-dot-astronaut {
    background: linear-gradient(135deg, #5a7fd6, #1a2a6c);
}
.pa-skin-dot-scholar {
    background: linear-gradient(135deg, #d98a50, #a85a28);
}
/* 系列分组 label */
.pa-skin-group {
    padding: 4px 16px 2px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted, #a3aebc);
    letter-spacing: 0.06em;
    border-top: 1px solid var(--border-color, #f0ece8);
    margin-top: 4px;
}
.pa-skin-group:first-of-type {
    border-top: none;
    margin-top: 0;
}
/* 锁定皮肤 */
.pa-skin-item.locked {
    color: var(--text-muted, #8a97a5);
    cursor: pointer;
    opacity: 0.78;
}
.pa-skin-item.locked:hover {
    background: rgba(150,160,175,0.08);
    color: var(--text-muted, #8a97a5);
}
.pa-skin-lock-text {
    font-size: 0.72rem;
    color: var(--text-muted, #a3aebc);
    margin-left: auto;
}
.pa-skin-lock {
    color: #c3c9d1;
    font-size: 0.75rem;
    margin-left: 4px;
}
/* 四君子系列色点 */
.pa-skin-dot-mei {
    background: linear-gradient(135deg, #e05d6f, #b8405a);
}
.pa-skin-dot-lan {
    background: linear-gradient(135deg, #6f9d80, #4a7055);
}
.pa-skin-dot-zhu {
    background: linear-gradient(135deg, #c4dcc0, #86ad82);
}
.pa-skin-dot-ju {
    background: linear-gradient(135deg, #d9912b, #b06f1a);
}
/* 文房四宝系列色点 */
.pa-skin-dot-bi {
    background: linear-gradient(135deg, #b3a88f, #7c7260);
}
.pa-skin-dot-mo {
    background: linear-gradient(135deg, #4a4948, #292828);
}
.pa-skin-dot-zhi {
    background: linear-gradient(135deg, #f2e0c0, #d6b888);
}
.pa-skin-dot-yan {
    background: linear-gradient(135deg, #3a4d4b, #1e2c2a);
}

[data-bs-theme="dark"] .pa-ctxmenu,
[data-theme="dark"] .pa-ctxmenu {
    background: #282c34;
    border-color: #3a4048;
}
[data-bs-theme="dark"] .pa-ctxmenu-item,
[data-theme="dark"] .pa-ctxmenu-item {
    color: #e8ecf2;
}
[data-bs-theme="dark"] .pa-skin-item.active,
[data-bs-theme="dark"] .pa-skin-check {
    color: #8ab4f8;
}
[data-bs-theme="dark"] .pa-ctxmenu-item:hover,
[data-theme="dark"] .pa-ctxmenu-item:hover {
    background: rgba(58,111,176,0.15);
    color: #7a9ac9;
}
[data-bs-theme="dark"] .pa-skin-group,
[data-theme="dark"] .pa-skin-group {
    color: #8a97a5;
    border-top-color: #3a4048;
}
[data-bs-theme="dark"] .pa-skin-item.locked,
[data-theme="dark"] .pa-skin-item.locked {
    color: #8a97a5;
}
[data-bs-theme="dark"] .pa-skin-lock,
[data-theme="dark"] .pa-skin-lock {
    color: #5a6472;
}
[data-bs-theme="dark"] .pa-skin-lock-text,
[data-theme="dark"] .pa-skin-lock-text {
    color: #8a97a5;
}

/* ===== 动画 ===== */
@keyframes pa-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@keyframes pa-wiggle {
    0%, 100% { transform: rotate(-4deg); }
    50% { transform: rotate(4deg); }
}
@keyframes pa-wiggle-rev {
    0%, 100% { transform: rotate(4deg); }
    50% { transform: rotate(-4deg); }
}
@keyframes pa-blink {
    0%, 90%, 100% { transform: scaleY(1); }
    93%, 96% { transform: scaleY(0.06); }
}
@keyframes pa-float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-3px) rotate(1deg); }
    75% { transform: translateY(-2px) rotate(-1deg); }
}
@keyframes pa-sparkle {
    0%, 100% { opacity: 0; transform: translateY(0) scale(0); }
    50% { opacity: 1; transform: translateY(-14px) scale(1); }
}
@keyframes pa-thinking-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.06); }
}
@keyframes pa-thinking-squint {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.3); }
}
@keyframes pa-dot-float {
    0%, 100% { opacity: 0.5; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(-5px); }
}
@keyframes pa-happy-bounce {
    0%, 100% { transform: translateY(0); }
    30% { transform: translateY(-12px); }
    50% { transform: translateY(0); }
    70% { transform: translateY(-6px); }
}

.pa-character:not(.pa-dragging) .pa-ear-left {
    animation: pa-wiggle 1.8s ease-in-out infinite;
    transform-origin: 20px 35px;
}
.pa-character:not(.pa-dragging) .pa-ear-right {
    animation: pa-wiggle-rev 1.8s ease-in-out infinite;
    transform-origin: 55px 35px;
}
.pa-character:not(.pa-dragging) .pa-eyes {
    animation: pa-blink 5s ease-in-out infinite;
    transform-origin: center center;
}

/* ── 点击反馈 ── */
@keyframes pa-click-bounce {
    0% { transform: scale(1); }
    30% { transform: scale(0.75, 1.2); }
    50% { transform: scale(1.15, 0.85) translateY(-16px); }
    70% { transform: scale(0.95, 1.05) translateY(-4px); }
    100% { transform: scale(1) translateY(0); }
}

.pa-click-bounce { animation: pa-click-bounce 0.4s ease-out; }

/* hover 时轻微放大 */
.pa-character:hover {
    filter: drop-shadow(0 6px 18px rgba(58, 111, 176, 0.4));
}

/* ── 表情状态 ── */

/* 思考中 */
.pa-character.pa-thinking {
    animation: pa-thinking-pulse 0.8s ease-in-out infinite;
}
.pa-character.pa-thinking .pa-eyes {
    animation: pa-thinking-squint 0.6s ease-in-out infinite;
}
.pa-character.pa-thinking .pa-think-dots {
    display: block !important;
    animation: pa-fade-in 0.25s ease-out;
}
.pa-character.pa-thinking .pa-think-dots ellipse:nth-child(1) {
    animation: pa-dot-float 0.6s ease-in-out infinite;
}
.pa-character.pa-thinking .pa-think-dots ellipse:nth-child(2) {
    animation: pa-dot-float 0.6s ease-in-out 0.15s infinite;
}
.pa-character.pa-thinking .pa-think-dots ellipse:nth-child(3) {
    animation: pa-dot-float 0.6s ease-in-out 0.3s infinite;
}

/* 开心/回复 */
.pa-character.pa-happy {
    animation: pa-happy-bounce 0.6s ease-out;
}

/* ===== 聊天面板 ===== */
.pa-panel {
    position: fixed;
    z-index: 1070;
    width: 380px;
    height: 500px;
    background: var(--bg-card, #ffffff);
    border: 1px solid var(--border-color, #e8e4e0);
    border-radius: var(--radius-lg, 18px);
    box-shadow: var(--shadow-lg, 0 10px 32px rgba(0,0,0,0.06));
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: pa-fade-in 0.25s ease-out;
}
@keyframes pa-fade-in {
    from { opacity: 0; transform: translateY(12px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.pa-panel.pa-panel-open {
    display: flex;
}

/* 标题栏 */
.pa-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: linear-gradient(135deg, #3a6fb0, #4a8af4);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: move;
    user-select: none;
    flex-shrink: 0;
}
.pa-header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}
.pa-clear-btn {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    font-size: 0.75rem;
    cursor: pointer;
    padding: 2px 10px;
    border-radius: 12px;
    opacity: 0.9;
    transition: all 0.15s;
    font-weight: 500;
}
.pa-clear-btn:hover { opacity: 1; background: rgba(255,255,255,0.35); border-color: rgba(255,255,255,0.5); }
.pa-panel-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 2px;
    opacity: 0.8;
    transition: opacity 0.15s;
}
.pa-panel-close:hover { opacity: 1; }

/* 消息区 */
.pa-panel-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--bg-page, #f6f3f0);
}
.pa-bubble {
    display: flex;
    flex-direction: column;
    max-width: 85%;
}
.pa-bubble-user { align-self: flex-end; }
.pa-bubble-ai  { align-self: flex-start; }

.pa-bubble-inner {
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.55;
    word-break: break-word;
    white-space: pre-wrap;
}
.pa-bubble-user .pa-bubble-inner {
    background: linear-gradient(135deg, #3a6fb0, #4a8af4);
    color: #fff;
    border-bottom-right-radius: 6px;
}
.pa-bubble-ai .pa-bubble-inner {
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color, #e8e4e0);
    border-bottom-left-radius: 6px;
}
.pa-bubble-meta {
    font-size: 0.7rem;
    color: var(--text-muted, #94a3b8);
    margin-top: 3px;
    padding: 0 4px;
}

/* 思考中 */
.pa-dot-blink {
    animation: pa-dot 1.2s ease-in-out infinite;
}
@keyframes pa-dot {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 1; }
}
/* 思考中状态文字（流式气泡等待期展示 AI 工作状态） */
.pa-think-status {
    color: var(--text-muted, #94a3b8);
    font-size: 0.85rem;
}

/* ── AI 回复 Markdown 样式 ── */
.pa-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    margin: 4px 0;
    background: linear-gradient(135deg, #3a6fb0, #4a8af4);
    color: #fff !important;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none !important;
    transition: all 0.15s;
    white-space: nowrap;
}
.pa-action-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(58,111,176,0.4);
    color: #fff !important;
}
.pa-bubble-ai .pa-bubble-inner strong {
    color: #3a6fb0;
    font-weight: 600;
}
.pa-bubble-ai .pa-bubble-inner em {
    color: var(--text-secondary, #6b7d8e);
}
.pa-code {
    display: inline-block;
    background: rgba(58,111,176,0.1);
    color: #3a6fb0;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.85em;
    font-family: var(--font-mono, Consolas, monospace);
}
.pa-md-list {
    margin: 4px 0;
    padding-left: 18px;
    list-style: disc;
}
.pa-md-list li {
    margin: 2px 0;
    line-height: 1.5;
}
.pa-md-h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 8px 0 4px;
    color: var(--text-primary, #2c3e50);
}
.pa-md-h4 {
    font-size: 0.92rem;
    font-weight: 600;
    margin: 6px 0 3px;
    color: var(--text-primary, #2c3e50);
}
[data-bs-theme="dark"] .pa-code,
[data-theme="dark"] .pa-code {
    background: rgba(58,111,176,0.2);
}
[data-bs-theme="dark"] .pa-bubble-ai .pa-bubble-inner strong,
[data-theme="dark"] .pa-bubble-ai .pa-bubble-inner strong {
    color: #7a9ac9;
}

/* 快捷按钮 */
.pa-quick-btns {
    display: flex;
    gap: 6px;
    padding: 8px 14px;
    border-top: 1px solid var(--border-color, #e8e4e0);
    background: var(--bg-card, #fff);
    flex-shrink: 0;
}
.pa-quick-btn {
    flex: 1;
    padding: 6px 4px;
    font-size: 0.78rem;
    border: 1px solid var(--border-color, #e8e4e0);
    border-radius: var(--radius-sm, 8px);
    background: var(--bg-page, #f6f3f0);
    color: var(--text-secondary, #6b7d8e);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.pa-quick-btn:hover {
    border-color: #3a6fb0;
    color: #3a6fb0;
    background: rgba(58,111,176,0.05);
}

/* 输入区 */
.pa-panel-input {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 10px 14px;
    border-top: 1px solid var(--border-color, #e8e4e0);
    background: var(--bg-card, #fff);
    flex-shrink: 0;
}
.pa-input {
    flex: 1;
    resize: none;
    border: 1px solid var(--border-color, #e8e4e0);
    border-radius: var(--radius-md, 14px);
    padding: 8px 14px;
    font-size: 0.9rem;
    font-family: var(--font-body);
    background: var(--bg-page, #f6f3f0);
    color: var(--text-primary, #2c3e50);
    max-height: 100px;
    min-height: 38px;
    outline: none;
    transition: border-color 0.15s;
}
.pa-input:focus {
    border-color: #3a6fb0;
    box-shadow: 0 0 0 2px rgba(58,111,176,0.12);
}
/* 语音按钮 */
.pa-btn-label {
    font-size: 0.7rem;
    margin-left: 3px;
    font-weight: 500;
}
.pa-mic-btn {
    height: 38px;
    border-radius: 19px;
    padding: 0 12px;
    border: 1px solid var(--border-color, #e8e4e0);
    background: var(--bg-page, #f6f3f0);
    color: var(--text-secondary, #6b7d8e);
    cursor: pointer;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}
.pa-mic-btn:hover {
    border-color: #3a6fb0;
    color: #3a6fb0;
}
.pa-mic-btn.pa-mic-active {
    background: #dc3545;
    border-color: #dc3545;
    color: #fff;
    animation: pa-mic-pulse 1s ease-in-out infinite;
}
@keyframes pa-mic-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(220,53,69,0.4); }
    50% { box-shadow: 0 0 0 8px rgba(220,53,69,0); }
}
.pa-send-btn {
    height: 38px;
    border-radius: 19px;
    padding: 0 14px;
    border: none;
    background: linear-gradient(135deg, #3a6fb0, #4a8af4);
    color: #fff;
    cursor: pointer;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: transform 0.15s, box-shadow 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}
.pa-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(58,111,176,0.35);
}
.pa-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* 关联笔记卡片 */
.pa-related-notes {
    align-self: flex-start;
    max-width: 85%;
    margin-left: 4px;
}
.pa-related-title {
    font-size: 0.75rem;
    color: var(--text-muted, #94a3b8);
    margin-bottom: 6px;
    font-weight: 600;
}
.pa-related-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 12px;
    margin-bottom: 4px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #e8e4e0);
    border-radius: var(--radius-sm, 8px);
    text-decoration: none;
    transition: all 0.12s;
    font-size: 0.82rem;
}
.pa-related-item:hover {
    border-color: #3a6fb0;
    background: rgba(58,111,176,0.04);
}
.pa-related-name {
    color: var(--text-primary, #2c3e50);
    font-weight: 500;
}
.pa-related-item:hover .pa-related-name {
    color: #3a6fb0;
}
.pa-related-topic {
    font-size: 0.72rem;
    color: var(--text-muted, #94a3b8);
    margin-left: 8px;
}
[data-bs-theme="dark"] .pa-mic-btn,
[data-theme="dark"] .pa-mic-btn {
    background: #1e2127;
    border-color: #3a4048;
    color: #b0b8c4;
}
[data-bs-theme="dark"] .pa-related-item,
[data-theme="dark"] .pa-related-item {
    background: #2a2e36;
    border-color: #3a4048;
}
[data-bs-theme="dark"] .pa-related-name,
[data-theme="dark"] .pa-related-name {
    color: #e8ecf2;
}

/* ===== 动作提议卡片（工具调用 L2：AI 提议 → 用户确认 → 执行） ===== */
.pa-action-card {
    align-self: flex-start;
    max-width: 85%;
    margin-left: 4px;
    margin-bottom: 6px;
    padding: 10px 12px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #e8e4e0);
    border-left: 3px solid var(--color-primary, #5b8cb8);
    border-radius: var(--radius-sm, 8px);
    font-size: 0.82rem;
}
.pa-action-title {
    color: var(--text-primary, #2c3e50);
    font-weight: 600;
    margin-bottom: 2px;
}
.pa-action-summary {
    color: var(--text-muted, #94a3b8);
    font-size: 0.76rem;
    margin-bottom: 8px;
}
.pa-action-actions {
    display: flex;
    gap: 6px;
}
.pa-action-actions .btn {
    font-size: 0.76rem;
    padding: 2px 10px;
}
.pa-action-status {
    margin-top: 6px;
    font-size: 0.78rem;
    font-weight: 500;
}
[data-bs-theme="dark"] .pa-action-card,
[data-theme="dark"] .pa-action-card {
    background: #2a2e36;
    border-color: #3a4048;
}
[data-bs-theme="dark"] .pa-action-title,
[data-theme="dark"] .pa-action-title {
    color: #e8ecf2;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .pa-panel {
        width: 100vw !important;
        height: 50vh;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        bottom: 0 !important;
        border-radius: 18px 18px 0 0;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
    }
    .pa-panel-body { max-height: none; }
    .pa-bubble { max-width: 90%; }
    .pa-suggestion {
        font-size: 0.7rem;
        padding: 6px 10px;
    }

    /* 移动端：减弱光晕，避免亮色模式下眼睛/嘴巴发白发亮 */
    .pa-character {
        filter: drop-shadow(0 2px 8px rgba(58, 111, 176, 0.16));
    }
    .pa-character:hover {
        filter: drop-shadow(0 3px 12px rgba(58, 111, 176, 0.22));
    }
    .pa-character.pa-dragging {
        filter: drop-shadow(0 5px 16px rgba(58, 111, 176, 0.28));
    }

    /* 移动端可展开浮标：默认收缩为右下角小浮标（小拾仍可辨认），点击唤起 AI 面板
       注意：缩放作用在内部 .pa-svg 上，因为根元素 transform 被 JS 待机动画每帧改写 */
    .pa-character.pa-compact {
        opacity: 0.88;
        border-radius: 50%;
        transition: opacity 0.25s;
    }
    .pa-character.pa-compact:hover {
        opacity: 1;
    }
    .pa-character.pa-compact .pa-svg {
        transform: scale(0.8);
        transform-origin: center;
        transition: transform 0.25s;
    }
    .pa-character.pa-compact:hover .pa-svg {
        transform: scale(0.88);
    }
    .pa-character.pa-compact .pa-suggestion,
    .pa-character.pa-compact .pa-shadow,
    .pa-character.pa-compact .pa-edge-glow {
        display: none;
    }

    /* 面板内滚动区域：触摸滚动只在面板内生效，不再误判为整页滚动 */
    .pa-panel-body,
    .pa-ws-list,
    .pa-ws-rec-panel,
    .pa-ws-add-body {
        touch-action: pan-y;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }

    /* 换肤菜单：允许上下滑动 */
    .pa-ctxmenu {
        max-height: 55vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-y;
        overscroll-behavior: contain;
    }
    /* 换肤菜单内容直接可点，滚动时不误触 */
    .pa-ctxmenu-item {
        -webkit-tap-highlight-color: transparent;
    }
}

/* ===== 深色模式 ===== */
[data-bs-theme="dark"] .pa-panel,
[data-theme="dark"] .pa-panel {
    background: #282c34;
    border-color: #3a4048;
}
[data-bs-theme="dark"] .pa-panel-body,
[data-theme="dark"] .pa-panel-body {
    background: #1a1d21;
}
[data-bs-theme="dark"] .pa-bubble-ai .pa-bubble-inner,
[data-theme="dark"] .pa-bubble-ai .pa-bubble-inner {
    background: #2a2e36;
    border-color: #3a4048;
    color: #e8ecf2;
}
[data-bs-theme="dark"] .pa-quick-btns,
[data-theme="dark"] .pa-quick-btns,
[data-bs-theme="dark"] .pa-panel-input,
[data-theme="dark"] .pa-panel-input {
    background: #282c34;
    border-color: #3a4048;
}
[data-bs-theme="dark"] .pa-quick-btn,
[data-theme="dark"] .pa-quick-btn {
    background: #1e2127;
    border-color: #3a4048;
    color: #b0b8c4;
}
[data-bs-theme="dark"] .pa-quick-btn:hover,
[data-theme="dark"] .pa-quick-btn:hover {
    border-color: #3a6fb0;
    color: #7a9ac9;
}
[data-bs-theme="dark"] .pa-input,
[data-theme="dark"] .pa-input {
    background: #1e2127;
    border-color: #3a4048;
    color: #e8ecf2;
}
[data-bs-theme="dark"] .pa-input:focus,
[data-theme="dark"] .pa-input:focus {
    border-color: #3a6fb0;
}
[data-bs-theme="dark"] .pa-character,
[data-theme="dark"] .pa-character {
    filter: drop-shadow(0 4px 14px rgba(58,111,176,0.35));
}

/* ===== 删除区域 ===== */
.pa-delete-zone {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: 80px;
    background: linear-gradient(0deg, rgba(220,53,69,0.15) 0%, transparent 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #dc3545;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 1050;
    transform: translateY(100%);
    transition: transform 0.3s ease-out;
    pointer-events: none;
}
.pa-delete-zone.active {
    transform: translateY(0);
}
.pa-delete-zone i {
    font-size: 1.1rem;
}
/* 拖入删除区域时角色变红 */
.pa-character.pa-in-delete-zone {
    filter: drop-shadow(0 4px 20px rgba(220,53,69,0.6)) !important;
    transition: filter 0.2s;
}

/* ===== 恢复按钮 ===== */
.pa-restore-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1060;
    box-shadow: 0 3px 12px rgba(58,111,176,0.4);
    font-size: 1.3rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: pa-restore-pulse 2s ease-in-out infinite;
}
.pa-restore-btn:hover {
    transform: scale(1.15);
    box-shadow: 0 5px 20px rgba(58,111,176,0.6);
}
@keyframes pa-restore-pulse {
    0%, 100% { box-shadow: 0 3px 12px rgba(58,111,176,0.4); }
    50% { box-shadow: 0 3px 20px rgba(58,111,176,0.7); }
}

[data-bs-theme="dark"] .pa-delete-zone {
    background: linear-gradient(0deg, rgba(220,53,69,0.25) 0%, transparent 100%);
}
[data-bs-theme="dark"] .pa-restore-btn {
    box-shadow: 0 3px 16px rgba(58,111,176,0.6);
}

/* 来源引用链接 */
.citation-link {
    display: inline;
    padding: 1px 6px;
    font-size: 0.85em;
    border-radius: 4px;
    background: rgba(var(--color-primary-rgb, 13,110,253), 0.08);
    color: var(--color-primary, #0d6efd);
    text-decoration: none;
    white-space: nowrap;
}
.citation-link:hover {
    background: rgba(var(--color-primary-rgb, 13,110,253), 0.18);
    text-decoration: underline;
}
.citation-web {
    background: rgba(25, 135, 84, 0.08);
    color: #198754;
}
.citation-web:hover {
    background: rgba(25, 135, 84, 0.18);
}

/* ===== 工作空间视图 ===== */
.pa-ws-view {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    padding: 10px 12px;
    display: none;
    flex-direction: column;
    gap: 8px;
    background: var(--bg-page, #f6f3f0);
}
.pa-ws-loading {
    padding: 20px 0;
    text-align: center;
    color: var(--text-muted, #8a97a5);
    font-size: 0.85rem;
}
.pa-ws-topbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color, #e8e4e0);
    flex-shrink: 0;
}
.pa-ws-top-title {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary, #2c3e50);
    white-space: nowrap;
    overflow: hidden;
}
.pa-ws-title-ellipsis {
    text-overflow: ellipsis;
}
.pa-ws-icon-btn {
    background: none;
    border: none;
    color: var(--text-primary, #2c3e50);
    font-size: 1rem;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 8px;
    line-height: 1;
}
.pa-ws-icon-btn:hover { background: rgba(58,111,176,0.1); }
.pa-ws-new {
    background: linear-gradient(135deg, #3a6fb0, #4a8af4);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 0.75rem;
    padding: 4px 12px;
    cursor: pointer;
    font-weight: 500;
    flex-shrink: 0;
}
.pa-ws-rec {
    background: rgba(58,111,176,0.1);
    color: #3a6fb0;
    border: 1px solid rgba(58,111,176,0.25);
    border-radius: 12px;
    font-size: 0.72rem;
    padding: 3px 10px;
    cursor: pointer;
    font-weight: 500;
    flex-shrink: 0;
}
.pa-ws-rec:hover { background: rgba(58,111,176,0.18); }
.pa-ws-rec.pa-ws-rec-open {
    background: rgba(58,111,176,0.22);
    border-color: rgba(58,111,176,0.5);
}
.pa-ws-rec:disabled { opacity: 0.5; cursor: default; }
.pa-ws-empty {
    text-align: center;
    padding: 28px 16px;
    color: var(--text-muted, #8a97a5);
    font-size: 0.82rem;
    line-height: 1.6;
}
.pa-ws-empty-icon { font-size: 2rem; opacity: 0.4; display: block; margin-bottom: 8px; }
.pa-ws-empty-mini {
    padding: 8px 16px 0;
    font-size: 0.78rem;
}
.pa-ws-new-btn {
    background: linear-gradient(135deg, #3a6fb0, #4a8af4);
    color: #fff;
    border: none;
    border-radius: 14px;
    padding: 7px 18px;
    font-size: 0.82rem;
    cursor: pointer;
    margin-top: 6px;
}
.pa-ws-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-right: 2px;
}
.pa-ws-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #e8e4e0);
    border-radius: 12px;
    cursor: pointer;
    transition: box-shadow 0.15s, transform 0.15s;
}
.pa-ws-card:hover {
    box-shadow: var(--shadow-md, 0 4px 16px rgba(0,0,0,0.08));
    transform: translateY(-1px);
}
.pa-ws-card-main { flex: 1; min-width: 0; }
.pa-ws-card-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary, #2c3e50);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pa-ws-card-meta {
    font-size: 0.72rem;
    color: var(--text-muted, #8a97a5);
    margin-top: 2px;
}
.pa-ws-del {
    background: none;
    border: none;
    color: var(--text-muted, #8a97a5);
    cursor: pointer;
    padding: 4px;
    border-radius: 8px;
    flex-shrink: 0;
}
.pa-ws-del:hover { color: #dc3545; background: rgba(220,53,69,0.08); }
.pa-ws-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 6px;
}
.pa-ws-rec-panel {
    flex-shrink: 0;
    background: rgba(58,111,176,0.06);
    border: 1px dashed rgba(58,111,176,0.3);
    border-radius: 10px;
    padding: 6px 10px;
    max-height: 150px;
    overflow-y: auto;
    animation: pa-fade-in 0.2s ease-out;
}
.pa-ws-rec-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    margin-bottom: 2px;
}
.pa-ws-rec-title {
    font-size: 0.76rem;
    color: #3a6fb0;
    font-weight: 600;
}
.pa-ws-rec-close {
    background: none;
    border: none;
    color: var(--text-muted, #8a97a5);
    cursor: pointer;
    padding: 2px 5px;
    border-radius: 6px;
    line-height: 1;
    font-size: 0.78rem;
    flex-shrink: 0;
}
.pa-ws-rec-close:hover {
    color: #dc3545;
    background: rgba(220,53,69,0.08);
}
.pa-ws-rec-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 2px;
    font-size: 0.78rem;
}
.pa-ws-rec-name {
    flex: 1;
    min-width: 0;
    color: var(--text-primary, #2c3e50);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pa-ws-rec-add {
    background: #3a6fb0;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 0.7rem;
    padding: 2px 10px;
    cursor: pointer;
    flex-shrink: 0;
}
.pa-ws-rec-add:disabled { opacity: 0.5; }
.pa-ws-rec-empty {
    font-size: 0.76rem;
    color: var(--text-muted, #8a97a5);
    padding: 4px 0;
}

/* 工作空间系统提示条（已加入/移除笔记 → 小拾上下文同步反馈） */
.pa-ws-hint {
    font-size: 0.72rem;
    color: var(--text-muted, #8a97a5);
    background: rgba(58,111,176,0.06);
    border: 1px dashed rgba(58,111,176,0.28);
    border-radius: 8px;
    padding: 4px 8px;
    margin: 3px 8px 5px;
    text-align: center;
}

/* 空间笔记 chips */
.pa-ws-entries {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 2px 7px;
    overflow-x: auto;
    white-space: nowrap;
    min-height: 30px;
    border-bottom: 1px dashed var(--border-color, #e8e4e0);
}
.pa-ws-entries-empty {
    font-size: 0.72rem;
    color: var(--text-muted, #8a97a5);
    padding: 2px 0;
    white-space: normal;
}
.pa-ws-entry-chip {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: rgba(58,111,176,0.1);
    border: 1px solid rgba(58,111,176,0.25);
    color: #3a6fb0;
    border-radius: 14px;
    font-size: 0.72rem;
    padding: 2px 3px 2px 10px;
    max-width: 170px;
    flex-shrink: 0;
}
.pa-ws-entry-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.pa-ws-entry-del {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 1px 4px;
    border-radius: 50%;
    line-height: 1;
    font-size: 0.78rem;
    flex-shrink: 0;
}
.pa-ws-entry-del:hover {
    color: #dc3545;
    background: rgba(220,53,69,0.1);
}

/* 手动添加笔记面板 */
.pa-ws-add-panel {
    flex-shrink: 0;
    background: rgba(25,135,84,0.05);
    border: 1px dashed rgba(25,135,84,0.3);
    border-radius: 10px;
    padding: 6px 10px;
    max-height: 190px;
    overflow-y: auto;
    animation: pa-fade-in 0.2s ease-out;
}
.pa-ws-add-search {
    width: 100%;
    border: 1px solid var(--border-color, #e8e4e0);
    border-radius: 10px;
    padding: 5px 10px;
    font-size: 0.78rem;
    background: var(--bg-card, #fff);
    color: var(--text-primary, #2c3e50);
    outline: none;
    margin-bottom: 6px;
    box-sizing: border-box;
}
.pa-ws-add-search:focus { border-color: #3a6fb0; box-shadow: 0 0 0 2px rgba(58,111,176,0.12); }
.pa-ws-add-body {
    min-height: 0;
    max-height: 130px;
    overflow-y: auto;
}
.pa-ws-add-topic {
    font-size: 0.68rem;
    color: var(--text-muted, #8a97a5);
    flex-shrink: 0;
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.pa-ws-btn {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    font-size: 0.8rem;
    cursor: pointer;
    padding: 3px 8px;
    border-radius: 12px;
    line-height: 1;
    opacity: 0.9;
    transition: all 0.15s;
}
.pa-ws-btn:hover { opacity: 1; background: rgba(255,255,255,0.35); border-color: rgba(255,255,255,0.5); }

/* ===== 面板拖拽调整大小 ===== */
.pa-resize-handle {
    position: absolute;
    right: 3px;
    bottom: 3px;
    width: 18px;
    height: 18px;
    cursor: nwse-resize;
    z-index: 6;
    opacity: 0;
    transition: opacity 0.15s;
    border-radius: 0 0 14px 0;
    background:
        linear-gradient(135deg, transparent 50%, rgba(58,111,176,0.55) 50%),
        linear-gradient(135deg, transparent 55%, rgba(58,111,176,0.28) 55%);
}
.pa-panel:hover .pa-resize-handle,
.pa-panel.pa-resizing .pa-resize-handle {
    opacity: 1;
}
.pa-resize-handle:active {
    opacity: 1;
    background:
        linear-gradient(135deg, transparent 50%, rgba(58,111,176,0.8) 50%),
        linear-gradient(135deg, transparent 55%, rgba(58,111,176,0.4) 55%);
}
.pa-resize-handle::after {
    content: '';
    position: absolute;
    right: 2px;
    bottom: 2px;
    width: 8px;
    height: 8px;
    border-bottom: 2px solid rgba(58,111,176,0.55);
    border-right: 2px solid rgba(58,111,176,0.55);
    border-radius: 0 0 4px 0;
}

[data-bs-theme="dark"] .pa-ws-card {
    background: #282c34;
    border-color: #3a4048;
}
[data-bs-theme="dark"] .pa-ws-card-title,
[data-bs-theme="dark"] .pa-ws-top-title { color: #e8ecf2; }
[data-bs-theme="dark"] .pa-ws-card-meta { color: #9aa4b0; }
[data-bs-theme="dark"] .pa-ws-rec-panel {
    background: rgba(138,180,248,0.08);
    border-color: rgba(138,180,248,0.3);
}
[data-bs-theme="dark"] .pa-ws-rec-title { color: #8ab4f8; }
[data-bs-theme="dark"] .pa-ws-entry-chip {
    background: rgba(138,180,248,0.1);
    border-color: rgba(138,180,248,0.3);
    color: #8ab4f8;
}
[data-bs-theme="dark"] .pa-ws-add-panel {
    background: rgba(46,160,109,0.08);
    border-color: rgba(46,160,109,0.3);
}
[data-bs-theme="dark"] .pa-ws-add-search {
    background: #1e2127;
    border-color: #3a4048;
    color: #e8ecf2;
}
[data-bs-theme="dark"] .pa-ws-hint {
    background: rgba(138,180,248,0.08);
    border-color: rgba(138,180,248,0.28);
    color: #9aa4b0;
}

/* ===== 移动端最终覆盖（放在文件末尾，确保在级联中胜出） ===== */
@media (max-width: 768px) {
    /* 面板调整大小：移动端改为顶部水平拖杆（仅调整高度） */
    .pa-resize-handle {
        display: block;
        left: 0;
        right: 0;
        top: 0;
        bottom: auto;
        width: 100%;
        height: 22px;
        cursor: ns-resize;
        border-radius: 18px 18px 0 0;
        background: transparent;
        opacity: 1;
        z-index: 7;
    }
    .pa-resize-handle::after {
        content: '';
        position: absolute;
        left: 50%;
        top: 8px;
        transform: translateX(-50%);
        width: 44px;
        height: 4px;
        border: none;
        background: rgba(58,111,176,0.35);
        border-radius: 2px;
    }
    .pa-panel.pa-resizing .pa-resize-handle::after {
        background: rgba(58,111,176,0.6);
    }

    /* 恢复按钮上移，避开底部导航栏 */
    .pa-restore-btn {
        bottom: calc(56px + env(safe-area-inset-bottom, 0px) + 16px);
        right: 16px;
    }
}