/* ============================================
   思想孵化机 - ChatGPT风格样式表
   ============================================ */

:root {
    --bg-app: #212121;
    --bg-sidebar: #171717;
    --bg-main: #212121;
    --bg-input: #2f2f2f;
    --bg-hover: #2f2f2f;
    --bg-avatar: #2f2f2f;
    --bg-elevated: #2f2f2f;
    --bg-msg-hover: #292929;
    --bg-modal: #2f2f2f;

    --text-primary: #ececec;
    --text-secondary: #b4b4b4;
    --text-muted: #8e8e8e;
    --text-dim: #6e6e6e;

    --accent: #10a37f;
    --accent-hover: #0d8a6a;
    --danger: #ef4146;
    --warning: #f5a623;
    --success: #10a37f;

    --innovator: #ff6b6b;
    --critic: #4ecdc4;
    --scholar: #95e1d3;

    --border: rgba(255,255,255,0.08);
    --border-strong: rgba(255,255,255,0.14);

    --radius: 12px;
    --radius-sm: 8px;
    --radius-pill: 999px;

    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
    --transition: 150ms ease;

    --sidebar-w: 300px;
    --chat-max-w: 768px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    overflow: hidden;
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
                 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-app);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.hidden { display: none !important; }

/* ==================== 布局 ==================== */
/* 固定视口高度：侧边栏与主区各自独立滚动，侧边栏不随内容上下移动 */
.app {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ==================== 左侧边栏 ==================== */
.sidebar {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    height: 100vh;
    overflow-y: auto;
    position: sticky;
    top: 0;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 16px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 24px;
}

.app-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.app-tagline {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 1px;
}

/* 输入区 */
.input-section {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.topic-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    transition: var(--transition);
    line-height: 1.5;
}

.topic-input:focus {
    outline: none;
    border-color: var(--accent);
}

.topic-input::placeholder {
    color: var(--text-dim);
}

.input-meta {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.meta-field {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.meta-field span {
    white-space: nowrap;
}

.meta-field input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 5px 8px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
}

.meta-field input:focus {
    outline: none;
    border-color: var(--accent);
}

/* 按钮 */
.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-cancel {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-cancel:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-start {
    width: 100%;
    margin-top: 10px;
    height: 40px;
    font-size: 14px;
}

.btn-start.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-start.loading span::after {
    content: '...';
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

.btn-stop {
    width: 100%;
    margin-top: 8px;
    background: transparent;
    color: var(--danger);
    border: 1px solid rgba(239,65,70,0.3);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-stop:hover {
    background: rgba(239,65,70,0.1);
    border-color: var(--danger);
}

/* 暂停按钮 */
.btn-pause {
    width: 100%;
    margin-top: 8px;
    background: transparent;
    color: var(--warning);
    border: 1px solid rgba(245,166,35,0.3);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-pause:hover {
    background: rgba(245,166,35,0.1);
    border-color: var(--warning);
}

/* 评分面板 */
.scores-panel {
    flex: 1;
    padding: 16px;
}

.panel-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.scores-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.score-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.score-avatar {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-pill);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.score-info {
    flex: 1;
    min-width: 0;
}

.score-name {
    font-size: 13px;
    color: var(--text-secondary);
}

.score-track {
    height: 4px;
    background: var(--bg-input);
    border-radius: 2px;
    margin-top: 4px;
    overflow: hidden;
}

.score-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.4s ease;
    width: 0%;
}

.score-val {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 28px;
    text-align: right;
}

.consensus-bar {
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.consensus-label {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.consensus-label span:last-child {
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-track {
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.4s ease;
    width: 0%;
}

/* 底部工具栏 */
.sidebar-footer {
    padding: 8px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 4px;
    margin-top: auto;
}

.tool-btn {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.tool-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ==================== 主聊天区 ==================== */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg-main);
    position: relative;
    height: 100vh;
    overflow: hidden;
}

/* 顶部状态栏 */
.chat-topbar {
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-main);
    z-index: 10;
    flex-shrink: 0;
}

.topbar-topic {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topbar-status {
    font-size: 12px;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    background: var(--bg-input);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
}

.topbar-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-dim);
}

.topbar-status.ongoing::before { background: var(--warning); animation: blink 1.5s infinite; }
.topbar-status.completed::before { background: var(--success); }
.topbar-status.terminated::before { background: var(--danger); }
.topbar-status.paused::before { background: var(--warning); }

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.topbar-round {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}

/* 消息流 */
.messages {
    flex: 1;
    overflow-y: auto;
    scroll-behavior: smooth;
    min-height: 300px;
}

/* 消息容器：普通块级，纵向排列各回合块 */
.messages-inner {
    margin: 0;
    padding: 0 16px 80px;
    font-size: 13px;
}

/* 回合容器：每个回合一个独立的4列grid，回合间彻底隔离避免行号错乱 */
.round-block {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    align-items: start;
    border-bottom: 1px solid var(--border);
}

/* 固定表头：显示4个Agent列名 */
.grid-header {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border-strong);
    margin-bottom: 4px;
}

.grid-header-cell {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    border-right: 1px solid var(--border);
}
.grid-header-cell:last-child { border-right: none; }
.grid-header-cell .gh-icon {
    font-size: 14px;
}
.grid-header-cell .gh-score {
    margin-left: auto;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-dim);
    background: var(--bg-input);
    padding: 1px 6px;
    border-radius: var(--radius-pill);
    min-width: 24px;
    text-align: center;
}

/* 空状态 */
.empty-state {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 24px;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.empty-state h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

.empty-agents {
    display: flex;
    gap: 24px;
    margin-top: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.empty-agent {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    max-width: 160px;
}

.empty-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-pill);
    background: color-mix(in srgb, var(--c) 15%, transparent);
    border: 2px solid var(--c);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.empty-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--c);
    margin-top: 4px;
}

.empty-desc {
    font-size: 12px;
    color: var(--text-dim);
    text-align: center;
}

/* ==================== 聊天消息（4列网格） ==================== */

/* 回合分隔符：在回合容器内跨整行，标注回合号 */
.round-divider {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 6px 10px 3px;
    color: var(--text-dim);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.03em;
    background: color-mix(in srgb, var(--bg-input) 50%, transparent);
}

.round-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* 用户议题/参与发言：在messages-inner直接子级，跨整行（不属于任何回合） */
.chat-msg-user,
.chat-msg-user-inject {
    grid-column: 1 / -1;
}

/* 系统通知：回合内的跨整行元素 */
.system-notice {
    grid-column: 1 / -1;
}

/* Agent消息在网格中的列定位 */
.chat-msg[data-agent="innovator"] { grid-column: 1; }
.chat-msg[data-agent="critic"]    { grid-column: 2; }
.chat-msg[data-agent="scholar"]   { grid-column: 3; }
.chat-msg[data-agent="moderator"] { grid-column: 4; }

.chat-msg-skip[data-agent="innovator"] { grid-column: 1; }
.chat-msg-skip[data-agent="critic"]    { grid-column: 2; }
.chat-msg-skip[data-agent="scholar"]   { grid-column: 3; }
.chat-msg-skip[data-agent="moderator"] { grid-column: 4; }

.chat-msg-thinking[data-agent="innovator"] { grid-column: 1; }
.chat-msg-thinking[data-agent="critic"]    { grid-column: 2; }
.chat-msg-thinking[data-agent="scholar"]   { grid-column: 3; }
.chat-msg-thinking[data-agent="moderator"] { grid-column: 4; }

/* 用户议题消息 */
.chat-msg-user {
    display: flex;
    gap: 10px;
    padding: 8px 10px 10px;
    animation: msgIn 0.3s ease;
}

.chat-msg-user .msg-avatar {
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
}

.chat-msg-user .msg-body {
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
}

.chat-msg-user .msg-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 4px;
}

.chat-msg-user .msg-content {
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    color: var(--text-primary);
}

/* Agent消息 */
.chat-msg {
    padding: 6px 8px;
    animation: msgIn 0.3s ease;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
    border-right: 1px solid var(--border);
    border-top: 1px solid var(--border);
}

.chat-msg:hover {
    background: var(--bg-msg-hover);
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 头像 */
.msg-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-pill);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    background: color-mix(in srgb, var(--agent-color, #8e8e8e) 20%, transparent);
    border: 1px solid color-mix(in srgb, var(--agent-color, #8e8e8e) 40%, transparent);
}

/* 消息内容 */
.msg-content-wrap {
    flex: 1;
    min-width: 0;
}

.msg-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

.msg-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--agent-color, var(--text-primary));
}

.msg-round {
    font-size: 10px;
    color: var(--text-dim);
    background: var(--bg-input);
    padding: 1px 6px;
    border-radius: var(--radius-pill);
}

.msg-score {
    font-size: 11px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: var(--radius-pill);
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
}

.msg-score.high { color: var(--success); background: rgba(16,163,127,0.1); }
.msg-score.mid { color: var(--warning); background: rgba(245,166,35,0.1); }
.msg-score.low { color: var(--danger); background: rgba(239,65,70,0.1); }

.msg-body {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
    word-break: break-word;
}

.msg-body p {
    margin-bottom: 6px;
}

.msg-body p:last-child {
    margin-bottom: 0;
}

.msg-body h1, .msg-body h2, .msg-body h3 {
    margin: 8px 0 4px;
    font-size: 14px;
    font-weight: 600;
}

.msg-body h2 { font-size: 14px; }
.msg-body h3 { font-size: 13px; color: var(--text-secondary); }

.msg-body ul, .msg-body ol {
    margin: 4px 0;
    padding-left: 18px;
}

.msg-body li {
    margin-bottom: 2px;
    line-height: 1.5;
}

.msg-body code {
    background: var(--bg-input);
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 12px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

.msg-body pre {
    background: var(--bg-input);
    padding: 8px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 6px 0;
    font-size: 12px;
}

.msg-body pre code {
    background: none;
    padding: 0;
}

.msg-body strong {
    font-weight: 600;
}

.msg-body blockquote {
    border-left: 2px solid var(--border-strong);
    padding-left: 8px;
    margin: 6px 0;
    color: var(--text-secondary);
}

.msg-body table {
    border-collapse: collapse;
    margin: 6px 0;
    width: 100%;
}

.msg-body th, .msg-body td {
    border: 1px solid var(--border);
    padding: 4px 8px;
    text-align: left;
    font-size: 12px;
}

.msg-body th {
    background: var(--bg-input);
    font-weight: 600;
}

.msg-score-reason {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* 思考中状态 */
.chat-msg-thinking {
    display: flex;
    gap: 8px;
    padding: 6px 8px;
    animation: msgIn 0.3s ease;
    border-right: 1px solid var(--border);
    border-top: 1px solid var(--border);
}

.chat-msg-thinking .msg-avatar {
    animation: avatarPulse 1.5s infinite;
}

@keyframes avatarPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.92); opacity: 0.6; }
}

.thinking-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: 4px;
}

.thinking-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--agent-color);
}

.thinking-dots {
    display: flex;
    align-items: center;
    gap: 3px;
    color: var(--text-muted);
    font-size: 11px;
}

.thinking-dots .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--agent-color);
    animation: dotBounce 1.4s infinite;
}

.thinking-dots .dot:nth-child(2) { animation-delay: 0.15s; }
.thinking-dots .dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes dotBounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* 系统提示 */
.system-notice {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    margin: 2px 0;
    border-radius: var(--radius-sm);
    font-size: 12px;
}

.system-notice.redirect {
    background: rgba(245,166,35,0.08);
    border: 1px solid rgba(245,166,35,0.2);
    color: var(--warning);
}

.system-notice.deadend {
    background: rgba(239,65,70,0.06);
    border: 1px solid rgba(239,65,70,0.15);
    color: var(--danger);
}

.system-notice.compress {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

/* 跳过发言卡片 */
.chat-msg-skip {
    display: flex;
    gap: 8px;
    padding: 6px 8px;
    animation: msgIn 0.3s ease;
    opacity: 0.85;
    border-right: 1px solid var(--border);
    border-top: 1px solid var(--border);
}

.chat-msg-skip .msg-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-pill);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
}

.chat-msg-skip .msg-content-wrap {
    flex: 1;
    min-width: 0;
}

.chat-msg-skip .msg-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 3px;
    flex-wrap: wrap;
}

.chat-msg-skip .msg-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.chat-msg-skip .msg-round {
    font-size: 10px;
    color: var(--text-dim);
}

.chat-msg-skip .msg-score {
    font-size: 10px;
    font-weight: 600;
    padding: 1px 5px;
    border-radius: var(--radius-pill);
    margin-left: auto;
}

.chat-msg-skip .msg-score.high { background: rgba(16,163,127,0.1); color: var(--success); }
.chat-msg-skip .msg-score.mid { background: rgba(245,166,35,0.1); color: var(--warning); }
.chat-msg-skip .msg-score.low { background: rgba(239,65,70,0.1); color: var(--danger); }

.skip-badge {
    font-size: 10px;
    color: var(--text-dim);
    background: var(--bg-input);
    padding: 1px 6px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
}

.skip-reason {
    font-size: 11px;
    color: var(--text-muted);
    padding: 5px 8px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    line-height: 1.4;
}

/* 用户参与发言气泡 */
.chat-msg-user-inject {
    display: flex;
    gap: 10px;
    padding: 8px 10px;
    animation: msgIn 0.3s ease;
}

.chat-msg-user-inject .user-inject-avatar {
    background: var(--warning);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
}

.chat-msg-user-inject .user-inject-name {
    color: var(--warning);
}

.chat-msg-user-inject .msg-body {
    background: rgba(245,166,35,0.06);
    border: 1px solid rgba(245,166,35,0.15);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
}

.chat-msg-user-inject .msg-content {
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    color: var(--text-primary);
}

.chat-msg-user-inject .msg-tag {
    font-size: 10px;
    color: var(--warning);
    background: rgba(245,166,35,0.1);
    padding: 1px 6px;
    border-radius: var(--radius-pill);
}

.system-notice.info {
    background: rgba(16,163,127,0.06);
    color: var(--success);
    border: 1px solid rgba(16,163,127,0.15);
}

.system-notice.compress {
    background: rgba(142,142,142,0.06);
    color: var(--text-muted);
    border: 1px dashed var(--border-strong);
}

/* 底部状态栏 */
.chat-bottombar {
    padding: 8px 16px;
    border-top: 1px solid var(--border);
    background: var(--bg-main);
    flex-shrink: 0;
}

.bottombar-content {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16,163,127,0.4); }
    50% { opacity: 0.5; box-shadow: 0 0 0 6px rgba(16,163,127,0); }
}

/* 底部用户输入区（暂停时显示） */
.bottombar-input {
    margin: 6px auto 0;
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.bottombar-input textarea {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    line-height: 1.5;
    transition: var(--transition);
}

.bottombar-input textarea:focus {
    outline: none;
    border-color: var(--warning);
}

.bottombar-input textarea::placeholder {
    color: var(--text-dim);
}

.btn-send {
    background: var(--warning);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-family: inherit;
}

.btn-send:hover { opacity: 0.85; }

/* 辩论结束后的操作区（查看报告 / 继续讨论） */
.debate-actions {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: flex-end;
}

.btn-action {
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

.btn-action:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--accent);
}

/* 继续讨论的输入区 */
.debate-continue {
    flex: 1 1 100%;
    display: flex;
    gap: 8px;
    align-items: flex-end;
    animation: msgIn 0.2s ease;
}

.debate-continue textarea {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    line-height: 1.5;
    transition: var(--transition);
}

.debate-continue textarea:focus {
    outline: none;
    border-color: var(--accent);
}

/* 侧边栏导出下拉：向上弹出（sidebar-footer 在底部） */
.sidebar-footer .export-menu {
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 4px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    z-index: 20;
    overflow: hidden;
}

.sidebar-footer .export-dropdown {
    position: relative;
    flex: 1;
}

/* 导出按钮禁用状态 */
.tool-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.tool-btn:disabled:hover {
    background: transparent;
    color: var(--text-muted);
}

/* ==================== 弹窗 ==================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: fadeIn 0.15s ease;
}

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

.modal {
    background: var(--bg-modal);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 460px;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(16px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-lg { width: 700px; }

.modal-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* 表单 */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    background: var(--bg-app);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-hint {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}

.config-status {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.config-status.ok {
    background: rgba(16,163,127,0.08);
    color: var(--success);
}

.config-status.error {
    background: rgba(239,65,70,0.08);
    color: var(--danger);
}

/* 历史列表 */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.history-item {
    padding: 12px 14px;
    background: var(--bg-app);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.history-item:hover {
    background: var(--bg-hover);
    border-color: var(--border-strong);
}

.history-topic {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-dim);
}

.history-status {
    font-weight: 500;
}

.history-status.completed { color: var(--success); }
.history-status.ongoing { color: var(--warning); }
.history-status.terminated { color: var(--danger); }
.history-status.pending { color: var(--text-dim); }

/* 历史筛选标签 */
.history-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.history-tab {
    padding: 6px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.history-tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.history-tab:hover:not(.active) {
    border-color: var(--accent);
    color: var(--text-primary);
}

/* 可恢复辩论高亮 */
.history-item.resumable {
    border-left: 3px solid var(--warning);
}

.resume-badge {
    color: var(--warning);
    font-weight: 600;
    font-size: 11px;
}

.history-actions {
    margin-top: 8px;
}

.btn-resume {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 6px 14px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-resume:hover { opacity: 0.85; }

.loading-text {
    text-align: center;
    color: var(--text-dim);
    padding: 40px;
    font-size: 14px;
}

/* 报告 */
.report-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-primary);
    overflow-wrap: break-word;
    word-break: break-word;
}

.report-content h1 {
    font-size: 20px;
    font-weight: 700;
    margin: 20px 0 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border);
    color: var(--text-primary);
}

.report-content h2 {
    font-size: 17px;
    font-weight: 700;
    margin: 20px 0 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

.report-content h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 16px 0 8px;
    color: var(--text-secondary);
}

.report-content h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 12px 0 6px;
    color: var(--text-secondary);
}

.report-content p {
    margin-bottom: 10px;
}

.report-content p:last-child {
    margin-bottom: 0;
}

.report-content ul,
.report-content ol {
    margin: 8px 0 12px;
    padding-left: 24px;
}

.report-content li {
    margin-bottom: 5px;
}

.report-content li:last-child {
    margin-bottom: 0;
}

.report-content strong {
    font-weight: 600;
    color: var(--text-primary);
}

.report-content em {
    font-style: italic;
    color: var(--text-secondary);
}

.report-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 8px 14px;
    margin: 10px 0;
    background: var(--bg-input);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
}

.report-content blockquote p:last-child {
    margin-bottom: 0;
}

.report-content code {
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    color: var(--text-primary);
}

.report-content pre {
    background: var(--bg-app);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    overflow-x: auto;
    margin: 10px 0;
}

.report-content pre code {
    background: none;
    padding: 0;
    font-size: 13px;
    line-height: 1.6;
}

.report-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 12px 0;
    font-size: 14px;
}

.report-content th,
.report-content td {
    border: 1px solid var(--border);
    padding: 8px 12px;
    text-align: left;
}

.report-content th {
    background: var(--bg-input);
    font-weight: 600;
    color: var(--text-secondary);
}

.report-content td {
    color: var(--text-primary);
}

.report-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 16px 0;
}

.report-content a {
    color: var(--accent);
    text-decoration: none;
}

.report-content a:hover {
    text-decoration: underline;
}

.report-content img {
    max-width: 100%;
    border-radius: var(--radius-sm);
}

/* 导出下拉菜单 */
.export-dropdown {
    position: relative;
}

.export-menu {
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 4px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    z-index: 10;
    overflow: hidden;
}

.export-option {
    display: block;
    width: 100%;
    padding: 10px 14px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.export-option:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.caret {
    font-size: 10px;
    margin-left: 4px;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    font-size: 14px;
    color: var(--text-primary);
    box-shadow: var(--shadow);
    animation: toastIn 0.2s ease;
    max-width: 340px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }

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

/* 滚动条 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* 响应式 */
/* 中等屏幕：4列仍可用但更紧凑 */
@media (max-width: 1100px) {
    .round-block {
        grid-template-columns: repeat(4, 1fr);
    }
    .msg-body { font-size: 12px; }
}

/* 窄屏：4列网格退回单列流式布局 */
@media (max-width: 860px) {
    .app {
        flex-direction: column;
        height: auto;
        overflow: visible;
    }
    html, body { overflow: auto; height: auto; }
    .sidebar {
        width: 100%;
        min-width: 100%;
        height: auto;
        position: relative;
        overflow-y: visible;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .chat-main {
        height: auto;
        min-height: 70vh;
        overflow: visible;
    }
    .messages { overflow: visible; }
    /* 回合容器退回单列 */
    .messages-inner {
        max-width: var(--chat-max-w);
        margin: 0 auto;
        padding: 16px 16px 60px;
    }
    .round-block {
        grid-template-columns: 1fr;
        border-bottom: none;
    }
    .grid-header { display: none; }
    .chat-msg,
    .chat-msg-skip,
    .chat-msg-thinking,
    .chat-msg-user,
    .chat-msg-user-inject,
    .system-notice,
    .round-divider {
        grid-column: 1 / -1;
        border-right: none;
        border-top: none;
        padding: 10px 0;
    }
    .chat-msg { gap: 10px; }
    .msg-avatar { width: 32px; height: 32px; font-size: 16px; }
    .msg-body { font-size: 14px; line-height: 1.65; }
    .empty-agents { gap: 12px; }
}