/* 统一搜索中枢设计系统 - 极客暗黑玻璃态 */
:root {
    --bg-main: #0a0b10;
    --panel-bg: rgba(20, 22, 35, 0.45);
    --panel-border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    --text-primary: #f3f4f6;
    --text-muted: #9ca3af;
    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --danger: #ef4444;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    position: relative;
}

/* 背景光斑 */
.bg-glow {
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.15;
}

.bg-glow-1 {
    top: -10%;
    left: -10%;
    background-color: var(--accent);
}

.bg-glow-2 {
    bottom: -10%;
    right: -10%;
    background-color: #3b82f6;
}

/* 主容器布局 */
.app-container {
    display: flex;
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
}

/* 侧边导航 */
.sidebar {
    width: 280px;
    height: 100%;
    background: var(--panel-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--panel-border);
    display: flex;
    flex-direction: column;
    padding: 24px;
    flex-shrink: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.sidebar-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-filters {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.nav-section h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    margin-bottom: 12px;
    padding-left: 8px;
}

.filter-btn {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-muted);
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.25s ease;
    margin-bottom: 4px;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.filter-btn.active {
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid var(--accent);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.1);
}

.filter-btn .badge {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 12px;
    color: var(--text-muted);
}

.filter-btn.active .badge {
    background: var(--accent);
    color: white;
}

.sidebar-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-top: 16px;
    border-top: 1px solid var(--panel-border);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-indicator.online {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

/* 主内容区 */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* 顶栏检索 */
.top-header {
    height: 70px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    align-items: center;
    padding: 0 32px;
    background: rgba(10, 11, 16, 0.5);
    backdrop-filter: blur(10px);
}

.search-wrapper {
    width: 100%;
    max-width: 800px;
    position: relative;
    display: flex;
    align-items: center;
    margin-right: 16px;
}

.global-filter-toggle {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--panel-border);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    height: 42px;
}

.global-filter-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.global-filter-toggle .badge {
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.search-icon {
    position: absolute;
    left: 18px;
    color: var(--text-muted);
    font-size: 1.1rem;
}

#search-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--panel-border);
    outline: none;
    color: var(--text-primary);
    padding: 12px 12px 12px 50px;
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

#search-input:focus {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

.search-shortcut {
    position: absolute;
    right: 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--panel-border);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    pointer-events: none;
}

/* ---- Facet 过滤面板 ---- */
#facet-panel {
    padding: 8px 32px;
    border-bottom: 1px solid var(--panel-border);
    background: rgba(10, 11, 16, 0.3);
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.facet-group {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
}

.facet-group-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.8px;
    margin-top: 6px;
    min-width: 60px;
}

.facet-items-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex-grow: 1;
}

.facet-expand-btn {
    background: transparent;
    border: 1px dashed var(--panel-border);
    color: var(--text-muted);
    padding: 3px 10px;
    border-radius: 14px;
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.2s;
}

.facet-expand-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.facet-group-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.8px;
    margin-right: 4px;
}

.facet-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    padding: 3px 10px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid transparent;
    font-size: 0.78rem;
    color: var(--text-muted);
    transition: all 0.2s;
    user-select: none;
}

.facet-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.facet-item input[type="checkbox"]:checked + span {
    color: var(--text-primary);
    font-weight: 500;
}

.facet-item:has(input:checked) {
    background: rgba(99, 102, 241, 0.12);
    border-color: var(--accent);
    color: var(--text-primary);
}

.facet-item .count {
    font-weight: 600;
    color: var(--text-muted);
    opacity: 0.7;
    font-size: 0.7rem;
    margin-left: 2px;
}

.facet-item:has(input:checked) .count {
    color: var(--accent);
    opacity: 1;
}

/* 结果列表画布 */
.results-canvas {
    flex: 1;
    height: 0; /* Bulletproof flexbox scrolling */
    padding: 32px;
    overflow-y: auto;
}

.results-header {
    margin-bottom: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.results-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 1000px;
}

/* 卡片样式设计 */
.result-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.result-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.card-meta .tag {
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.card-meta .tag-email {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
}

.card-meta .tag-rss {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
    color: var(--text-primary);
}

.card-title mark, .card-snippet mark {
    background: rgba(99, 102, 241, 0.35);
    color: #e0e7ff;
    padding: 0 2px;
    border-radius: 2px;
    font-weight: 500;
}

.card-snippet {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    word-break: break-all;
}

/* 卡片内置操作按钮 */
.card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed rgba(255, 255, 255, 0.04);
}

.card-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--panel-border);
    color: var(--text-muted);
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.card-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent);
    color: var(--text-primary);
}

/* ---- Session Card ---- */
.session-card .session-stats {
    display: flex;
    gap: 16px;
    margin-top: 10px;
    font-size: 0.84rem;
    color: var(--text-muted);
}

.session-card .session-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-tag {
    font-size: 0.78rem;
    font-weight: 500;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state p {
    margin: 4px 0;
}

.empty-state .muted {
    font-size: 0.85rem;
    opacity: 0.6;
}

/* ---- Universal Modal Component (通用 UI 对话框组件) ---- */
.universal-modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(8, 10, 18, 0.72); backdrop-filter: blur(10px);
    z-index: 999; display: flex; align-items: center; justify-content: center;
    animation: fadeIn 0.2s ease-out;
}

.universal-modal {
    background: rgba(18, 22, 36, 0.95); border: 1px solid rgba(80, 227, 194, 0.25);
    border-radius: 16px; width: 560px; max-width: 92vw; max-height: 82vh;
    display: flex; flex-direction: column; overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 20px rgba(80, 227, 194, 0.1);
    animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.universal-modal-header {
    display: flex; align-items: center; gap: 10px;
    padding: 16px 20px; border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 1.05rem; font-weight: 600; color: var(--text-primary);
}

.universal-modal-icon { font-size: 1.2rem; }
.universal-modal-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.universal-modal-close {
    background: none; border: none; color: var(--text-muted);
    font-size: 1.3rem; cursor: pointer; border-radius: 6px; padding: 2px 8px;
    transition: all 0.2s;
}
.universal-modal-close:hover { color: #fff; background: rgba(255, 255, 255, 0.1); }

.universal-modal-body {
    flex: 1; overflow-y: auto; padding: 20px;
    font-size: 0.9rem; line-height: 1.6; color: var(--text-primary);
}

.universal-modal-input {
    width: 100%; padding: 10px 14px; background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-hover); border-radius: 8px;
    color: #fff; font-size: 0.95rem; outline: none; margin-top: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.universal-modal-input:focus {
    border-color: var(--accent); box-shadow: 0 0 10px rgba(80, 227, 194, 0.2);
}

.universal-modal-footer {
    display: flex; justify-content: flex-end; gap: 10px;
    padding: 14px 20px; border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.15);
}

.modal-btn {
    padding: 8px 18px; border-radius: 8px; font-size: 0.88rem; font-weight: 500;
    cursor: pointer; border: none; transition: all 0.2s;
}
.modal-btn-secondary {
    background: rgba(255, 255, 255, 0.08); color: var(--text-muted);
}
.modal-btn-secondary:hover { background: rgba(255, 255, 255, 0.15); color: #fff; }
.modal-btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #3ba890 100%);
    color: #0b0f19; font-weight: 600;
}
.modal-btn-primary:hover { opacity: 0.9; box-shadow: 0 4px 12px rgba(80, 227, 194, 0.3); }

/* ---- Session Messages Modal (兼容引用的类) ---- */
.session-modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
    z-index: 200; display: flex; align-items: center; justify-content: center;
}

.session-modal {
    background: rgba(18,20,32,0.92); border: 1px solid var(--border-hover);
    border-radius: 12px; width: 560px; max-width: 90vw; max-height: 75vh;
    display: flex; flex-direction: column; overflow: hidden;
}

.session-modal-header {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 20px; border-bottom: 1px solid var(--panel-border);
    font-weight: 600;
}

.session-modal-close {
    margin-left: auto; background: none; border: none;
    color: var(--text-muted); font-size: 1.4rem; cursor: pointer;
}

.session-modal-body {
    flex: 1; overflow-y: auto; padding: 16px 20px;
    font-size: 0.85rem; line-height: 1.6;
}

.session-msg {
    padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
}

.session-msg:last-child { border-bottom: none; }

.msg-role {
    font-weight: 600; font-size: 0.78rem;
    color: var(--accent); margin-right: 8px;
}

.msg-time {
    font-size: 0.72rem; color: var(--text-muted);
}

.msg-content {
    margin-top: 4px; color: var(--text-primary);
    white-space: pre-wrap; word-break: break-word;
}

/* 模态框遮罩 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: none; /* JS 控制 */
    justify-content: center;
    align-items: flex-start;
    padding-top: 12%;
}

/* 极客命令栏 */
.modal-content.command-palette {
    width: 600px;
    background: rgba(18, 20, 32, 0.85);
    border: 1px solid var(--border-hover);
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    animation: slideDown 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.command-header {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--panel-border);
}

.command-header .prefix {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    margin-right: 12px;
}

#command-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-family: var(--font-sans);
}

.command-list {
    max-height: 320px;
    overflow-y: auto;
    padding: 8px;
}

.command-item {
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
    margin-bottom: 4px;
}

.command-item:hover, .command-item.selected {
    background: rgba(99, 102, 241, 0.12);
}

.command-item .cmd-trigger {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: var(--accent);
    margin-bottom: 4px;
    font-weight: 500;
}

.command-item .cmd-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* 拟物化终端 */
.terminal-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 480px;
    max-height: 380px;
    background: #06070a;
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    z-index: 50;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.terminal-container.minimized {
    width: 220px;
    height: 42px;
    max-height: 42px;
}

.terminal-header {
    height: 42px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--panel-border);
    padding: 0 14px;
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.terminal-dots {
    display: flex;
    gap: 6px;
    margin-right: 14px;
}

.terminal-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
}

.terminal-dots .dot.red { background: var(--danger); }
.terminal-dots .dot.yellow { background: var(--warning); }
.terminal-dots .dot.green { background: var(--success); }

.terminal-title {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
}

.terminal-toggle {
    margin-left: auto;
    background: transparent;
    border: none;
    outline: none;
    color: var(--accent);
    font-size: 0.75rem;
    cursor: pointer;
    font-weight: 600;
}

.terminal-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.5;
    background: #040508;
    height: calc(380px - 42px);
}

.terminal-line {
    margin-bottom: 6px;
    word-break: break-all;
    white-space: pre-wrap;
}

.terminal-line.system { color: var(--accent); }
.terminal-line.success { color: var(--success); }
.terminal-line.error { color: var(--danger); }
.terminal-line.info { color: var(--text-muted); }

/* 加载动画 */
.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px 0;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 隐藏滚动条 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ========================================================= */
/* 聊天抽屉 (Chat Drawer) 样式 */
/* ========================================================= */

.chat-fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.4);
    cursor: pointer;
    z-index: 999;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.3s;
}

.chat-fab:hover {
    transform: scale(1.1);
    background: #0891b2;
}

.chat-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 420px;
    height: 100vh;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-light);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Fullscreen chat drawer styling */
.chat-drawer.fullscreen {
    width: 100vw;
}

.chat-drawer .icon-exit-fullscreen {
    display: none !important;
}

.chat-drawer.fullscreen .icon-fullscreen {
    display: none !important;
}

.chat-drawer.fullscreen .icon-exit-fullscreen {
    display: inline-block !important;
}

/* Drawer actions (header buttons) */
.drawer-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.drawer-actions .icon-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    padding: 0;
}

.drawer-actions .icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.drawer-actions .icon-btn svg {
    pointer-events: none;
}

@media (min-width: 840px) {
    .chat-drawer.fullscreen .drawer-header {
        padding-left: calc((100% - 1200px) / 2 + 20px);
        padding-right: calc((100% - 1200px) / 2 + 20px);
        background: rgba(30, 41, 59, 0.2);
    }
    @media (max-width: 1240px) {
        .chat-drawer.fullscreen .drawer-header {
            padding-left: 20px;
            padding-right: 20px;
        }
    }
    .chat-drawer.fullscreen .chat-history {
        max-width: 1200px;
        width: 100%;
        margin: 0 auto;
        box-sizing: border-box;
        font-size: 1.02rem;
    }
    .chat-drawer.fullscreen .chat-input-area {
        max-width: 1200px;
        width: calc(100% - 40px);
        margin: 0 auto 24px auto;
        background: rgba(30, 41, 59, 0.9);
        border: 1px solid var(--border-light);
        border-radius: 16px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    .chat-drawer.fullscreen textarea {
        font-size: 1rem;
        height: 60px;
        min-height: 60px;
    }
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    background: rgba(30, 41, 59, 0.5);
}

.drawer-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success);
}

.status-dot.busy {
    background: var(--warning);
    box-shadow: 0 0 8px var(--warning);
    animation: pulse 1.5s infinite;
}

.chat-history {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-history::-webkit-scrollbar {
    width: 6px;
}

.chat-history::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.chat-message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
}

.chat-message.user {
    align-self: flex-end;
}

.chat-message.agent {
    align-self: flex-start;
}

.chat-message.system {
    align-self: center;
    max-width: 90%;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    margin: 8px 0;
}

.bubble {
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.5;
    word-break: break-word;
}

.chat-message.user .bubble {
    background: var(--accent);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-message.agent .bubble {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-message.agent .bubble pre {
    background: #0d1117;
    padding: 10px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 8px 0;
}

.chat-message.agent .bubble code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: rgba(0,0,0,0.3);
    padding: 2px 4px;
    border-radius: 4px;
}

.chat-message.agent .bubble pre code {
    background: transparent;
    padding: 0;
}

/* Tool execution subtask bubbles */
.subtask-box {
    background: rgba(0, 0, 0, 0.2);
    border-left: 3px solid #8b5cf6;
    padding: 8px 12px;
    margin: 8px 0;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.chat-input-area {
    padding: 16px;
    border-top: 1px solid var(--border-light);
    background: rgba(30, 41, 59, 0.8);
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.chat-input-area textarea {
    flex-grow: 1;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 12px 14px;
    font-size: 0.95rem;
    resize: none;
    height: 48px;
    min-height: 48px;
    max-height: 120px;
    font-family: inherit;
    transition: border-color 0.2s;
    overflow-y: auto;
}

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

.chat-input-area .ocr-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.chat-input-area .ocr-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--accent);
}

.chat-input-area .send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0;
}

.chat-input-area .send-btn:hover {
    background: #0891b2;
}

.chat-input-area .send-btn:disabled {
    background: var(--border-light);
    cursor: not-allowed;
    color: rgba(255,255,255,0.5);
}

/* Loading dots for thinking state (Enhanced) */
.typing-dots {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    padding: 6px 4px;
}
.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: typing-bounce 1.4s infinite ease-in-out both;
}
.typing-dots span:nth-child(1) { animation-delay: 0s; }
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1.1); opacity: 1; }
}

/* Session key tag in Header */
.session-key-tag {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 8px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Live Execution Log Console in Chat Bubble */
.live-execution-log {
    margin: 8px 0;
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-size: 0.82rem;
    font-family: var(--font-mono);
    overflow: hidden;
}
.live-execution-log summary {
    padding: 8px 12px;
    cursor: pointer;
    color: #94a3b8;
    background: rgba(255, 255, 255, 0.03);
    user-select: none;
    font-weight: 500;
}
.live-execution-log summary:hover {
    color: var(--text-primary);
}
.live-log-body {
    padding: 10px 12px;
    max-height: 240px;
    overflow-y: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    line-height: 1.6;
    white-space: pre-wrap;
    color: #cbd5e1;
    font-size: 0.78rem;
}
.live-log-line {
    margin-bottom: 4px;
    word-break: break-all;
}

/* Reasoning & Tool Call collapsible blocks */
.chat-reasoning {
    margin: 8px 0;
    background: rgba(139, 92, 246, 0.08);
    border-left: 3px solid #8b5cf6;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.85rem;
}
.chat-reasoning summary {
    cursor: pointer;
    color: #c4b5fd;
    font-weight: 500;
}
.chat-reasoning .reasoning-text {
    margin-top: 8px;
    color: #e2e8f0;
    line-height: 1.5;
}

.chat-tool-call {
    margin: 6px 0;
    background: rgba(6, 182, 212, 0.08);
    border-left: 3px solid var(--accent);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.82rem;
}
.chat-tool-call summary {
    cursor: pointer;
    color: #67e8f9;
    font-weight: 500;
}
.chat-tool-call pre {
    margin-top: 6px;
    background: rgba(0, 0, 0, 0.4);
    padding: 8px;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 0.78rem;
    color: #a5f3fc;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
    100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

@media (max-width: 768px) {
    .chat-drawer {
        width: 100%;
    }
}

/* RSS Brief Panel Styling */
.rss-brief-panel {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.4s ease-in-out;
}

.rss-brief-header {
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.brief-title-icon {
    font-size: 1.3rem;
}

.rss-brief-header h2 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    flex-grow: 1;
}

.brief-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.rss-brief-content p {
    margin: 0 0 16px 0;
    line-height: 1.6;
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.rss-brief-topics {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 768px) {
    .rss-brief-topics {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

.brief-topic-card {
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: transform 0.2s, border-color 0.2s;
}

.brief-topic-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.08);
}

.brief-topic-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.brief-topic-sentiment {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: bold;
}

.sentiment-pos {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.sentiment-neg {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.sentiment-neu {
    background: rgba(107, 114, 128, 0.15);
    color: #9ca3af;
    border: 1px solid rgba(107, 114, 128, 0.2);
}

.brief-topic-analysis {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ============================================================
   Todo Management UI
   ============================================================ */
.todo-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.todo-btn {
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    border: none;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s;
}
.todo-btn:hover { opacity: 0.85; transform: translateY(-1px); }
.todo-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.todo-btn-start  { background: hsl(210, 80%, 55%); color: #fff; }
.todo-btn-done   { background: hsl(145, 60%, 45%); color: #fff; }
.todo-btn-del    { background: transparent; color: var(--danger, #e55); border: 1px solid currentColor; }
.todo-btn-del:hover { background: hsl(0, 70%, 20%); }

/* Quick-add form injected by todos.js onMount */
.todo-create-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-top: 0.75rem;
    flex: 1 0 100%;
}
.todo-create-form input[type="text"] {
    flex: 1;
    padding: 0.45rem 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--border, rgba(255,255,255,0.15));
    background: var(--surface2, rgba(255,255,255,0.06));
    color: var(--text, #e8e8e8);
    font-size: 0.88rem;
    outline: none;
    transition: border-color 0.2s;
}
.todo-create-form input[type="text"]:focus {
    border-color: hsl(210, 80%, 55%);
}
.todo-create-form button {
    padding: 0.45rem 1rem;
    background: hsl(210, 80%, 55%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: opacity 0.15s;
}
.todo-create-form button:hover { opacity: 0.85; }
.todo-create-form button:disabled { opacity: 0.4; cursor: not-allowed; }

.due-tag    { background: hsl(200, 60%, 30%); color: #aef; }
.due-overdue { background: hsl(0, 60%, 30%); color: #faa; }

/* Extended Todo Creation & Inline Edit Panel */
.todo-create-bar {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    margin-top: 0.75rem;
    background: var(--surface2, rgba(255,255,255,0.04));
    padding: 0.75rem;
    border-radius: 10px;
    border: 1px solid var(--border, rgba(255,255,255,0.1));
}

.create-primary-row, .create-more-row, .edit-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.todo-create-bar input[type="text"],
.todo-create-bar input[type="datetime-local"],
.todo-create-bar select,
.todo-edit-panel input[type="text"],
.todo-edit-panel input[type="datetime-local"],
.todo-edit-panel select {
    padding: 0.45rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border, rgba(255,255,255,0.15));
    background: var(--surface, rgba(15,23,42,0.6));
    color: var(--text, #e8e8e8);
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.2s;
}

.create-primary-row #todo-new-title { flex: 2; min-width: 180px; }
.create-primary-row #todo-new-kind { min-width: 110px; }
.create-more-row #todo-new-due { flex: 1; min-width: 160px; }
.create-more-row #todo-new-cron { flex: 1; min-width: 160px; }
.create-more-row #todo-new-project { flex: 1; min-width: 130px; }

#todo-toggle-more {
    padding: 0.45rem 0.8rem;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-muted, #aaa);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.82rem;
}
#todo-toggle-more.active {
    border-color: hsl(210, 80%, 55%);
    color: hsl(210, 80%, 65%);
}

#todo-new-submit {
    padding: 0.45rem 1.2rem;
    background: hsl(210, 80%, 55%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
}

.todo-btn-reset { background: hsl(35, 80%, 50%); color: #fff; }
.todo-btn-toggle-edit { background: rgba(255,255,255,0.1); color: var(--text, #e8e8e8); border: 1px solid rgba(255,255,255,0.2); }
.todo-btn-save-edit { background: hsl(145, 60%, 45%); color: #fff; }
.todo-btn-cancel-edit { background: transparent; color: var(--text-muted); border: 1px solid rgba(255,255,255,0.2); }

.todo-edit-panel {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(0,0,0,0.25);
    border-radius: 8px;
    border: 1px dashed rgba(255,255,255,0.2);
}

.edit-row .edit-title { flex: 3; min-width: 160px; }
.edit-row .edit-kind { flex: 1; min-width: 110px; }
.edit-row .edit-project { flex: 1; min-width: 120px; }
.edit-row .edit-due { flex: 1; min-width: 150px; }
.edit-row .edit-cron { flex: 1; min-width: 150px; }
.edit-row .edit-desc { flex: 3; min-width: 200px; }

.cron-tag { background: hsl(270, 50%, 30%); color: #dcd; }
.tag-project { background: hsl(180, 50%, 25%); color: #adf; }

/* Completed Todos Collapsible Section */
.todo-completed-toggle-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    margin: 12px 0 4px 0;
    background: rgba(255, 255, 255, 0.04);
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    cursor: pointer;
    user-select: none;
    color: var(--text-muted, #a1a1aa);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.todo-completed-toggle-bar:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text, #fff);
    border-color: rgba(255, 255, 255, 0.3);
}

.todo-completed-toggle-bar.expanded {
    background: rgba(255, 255, 255, 0.06);
    border-style: solid;
}

.todo-card-done {
    opacity: 0.65;
}

.todo-card-done.is-collapsed {
    display: none !important;
}