:root {
    --bg-primary: #0A0E1A;
    --bg-secondary: #0F1322;
    --bg-card: rgba(15, 20, 35, 0.7);
    --bg-glass: rgba(20, 28, 52, 0.6);
    --bg-glass-hover: rgba(30, 40, 70, 0.7);
    --border-glass: rgba(0, 212, 255, 0.15);
    --border-glass-hover: rgba(0, 212, 255, 0.3);
    --cyan: #00D4FF;
    --cyan-dark: #0099CC;
    --green: #00FFAA;
    --gradient-primary: linear-gradient(135deg, #00D4FF, #00FFAA);
    --gradient-glow: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 255, 170, 0.1));
    --text-primary: #E8EDFF;
    --text-secondary: #8B95A7;
    --text-muted: #5A6478;
    --red: #EF4444;
    --orange: #F59E0B;
    --purple: #6366F1;
    --sidebar-width: 260px;
    --right-panel-width: 300px;
    --topbar-height: 60px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.08);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

::-webkit-scrollbar {
    width: 4px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(90, 100, 120, 0.3);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(90, 100, 120, 0.5);
}

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    padding: 0;
    z-index: 10;
}

.sidebar-header {
    padding: 24px 20px 20px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.08);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--bg-primary);
    flex-shrink: 0;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
    letter-spacing: 1px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-secondary);
    font-size: 14px;
    position: relative;
    user-select: none;
}

.nav-item:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--gradient-glow);
    color: var(--cyan);
    border: 1px solid var(--border-glass);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: -1px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 0 3px 3px 0;
}

.nav-item svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 16px 14px;
    border-top: 1px solid rgba(0, 212, 255, 0.08);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition);
}

.user-profile:hover {
    background: var(--bg-glass);
}

.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--bg-primary);
    flex-shrink: 0;
}

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

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
    transition: margin-right var(--transition);
}

.main-wrapper.panel-collapsed {
    margin-right: 0;
}

.top-bar {
    height: var(--topbar-height);
    min-height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    border-bottom: 1px solid var(--border-glass);
    background: var(--bg-card);
}

.top-bar-info {
    display: flex;
    flex-direction: column;
}

.top-bar-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.top-bar-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.top-bar-stats {
    display: flex;
    gap: 24px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.stat-item span {
    font-weight: 600;
    color: var(--cyan);
    font-size: 15px;
}

.main-content {
    flex: 1;
    overflow: hidden;
    position: relative;
    transition: margin-right var(--transition);
}

.main-content.panel-collapsed {
    margin-right: 0;
}

.page {
    display: none;
    height: 100%;
    overflow-y: auto;
    padding: 24px 28px;
}

.page.active {
    display: flex;
    flex-direction: column;
}

.page-chat {
    padding: 0;
}

#welcome-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
}

#welcome-section.hidden {
    display: none;
}

.welcome-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: var(--gradient-glow);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.welcome-icon svg {
    width: 36px;
    height: 36px;
    stroke: var(--cyan);
    fill: none;
    stroke-width: 1.5;
}

.welcome-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-desc {
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.6;
    margin-bottom: 32px;
}

.quick-questions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    max-width: 600px;
}

.quick-question-btn {
    padding: 8px 18px;
    border-radius: 20px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
}

.quick-question-btn:hover {
    border-color: var(--cyan);
    background: var(--gradient-glow);
    color: var(--cyan);
}

#chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.message {
    display: flex;
    gap: 12px;
    max-width: 85%;
    animation: fadeIn 0.3s ease;
}

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

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

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.message-avatar svg {
    width: 16px;
    height: 16px;
    stroke: var(--cyan);
    fill: none;
    stroke-width: 1.5;
}

.message.user .message-avatar {
    background: var(--gradient-primary);
    border: none;
}

.message.user .message-avatar svg {
    stroke: var(--bg-primary);
}

.message-content {
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    font-size: 14px;
    line-height: 1.7;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    word-break: break-word;
    white-space: pre-wrap;
}

.message.user .message-content {
    background: var(--gradient-glow);
    border-color: var(--border-glass-hover);
}

.source-link {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    font-size: 12px;
    color: var(--cyan);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition);
}

.source-link:hover {
    color: var(--green);
}

.source-link svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
}

.faq-draft-badge {
    margin-top: 10px;
    padding: 8px 14px;
    background: var(--gradient-glow);
    border: 1px dashed var(--border-glass-hover);
    border-radius: var(--radius-md);
    font-size: 12px;
    color: var(--cyan);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition);
}

.faq-draft-badge:hover {
    background: rgba(0, 212, 255, 0.15);
    border-style: solid;
}

.faq-draft-badge svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
}

.typewriter-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--cyan);
    margin-left: 2px;
    animation: blink 0.8s step-end infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    50% { opacity: 0; }
}

.typing-dots {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: dotPulse 1.4s ease-in-out infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotPulse {
    0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
    30% { opacity: 1; transform: scale(1); }
}

.chat-input-area {
    padding: 16px 28px 20px;
    border-top: 1px solid var(--border-glass);
    background: var(--bg-card);
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 8px 12px;
    transition: border-color var(--transition);
}

.input-wrapper:focus-within {
    border-color: var(--cyan);
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.08);
}

#chat-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    max-height: 100px;
    font-family: inherit;
}

#chat-input::placeholder {
    color: var(--text-muted);
}

.input-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--gradient-primary);
    color: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition);
}

.input-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.3);
}

.input-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.input-btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

.input-btn.upload-btn {
    background: var(--bg-glass);
    color: var(--text-secondary);
    border: 1px solid var(--border-glass);
}

.input-btn.upload-btn:hover {
    background: var(--bg-glass-hover);
    color: var(--cyan);
    box-shadow: none;
    transform: none;
}

.chat-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    padding: 0 4px;
}

.chat-footer-text {
    font-size: 11px;
    color: var(--text-muted);
}

.file-input {
    display: none;
}

.upload-zone {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--bg-glass);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--cyan);
    background: var(--gradient-glow);
}

.upload-zone svg {
    width: 48px;
    height: 48px;
    stroke: var(--text-muted);
    fill: none;
    stroke-width: 1;
    margin-bottom: 16px;
}

.upload-zone.dragover svg {
    stroke: var(--cyan);
}

.upload-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 12px;
    color: var(--text-muted);
}

.docs-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    backdrop-filter: blur(10px);
}
.docs-toolbar .filters { display: flex; gap: 8px; flex-wrap: wrap; }
.docs-toolbar .actions { display: flex; gap: 8px; align-items: center; }
#upload-zone { border: 1px dashed var(--border-glass); border-radius: var(--radius-sm); padding: 8px 12px; color: var(--text-secondary); cursor: pointer; }
#upload-zone.dragover { border-color: var(--cyan); color: var(--cyan); background: rgba(0,212,255,0.06); }
.docs-toolbar input, .docs-toolbar select {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
}

.doc-list {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 10px;
    align-items: start;
}
.doc-group-title { grid-column: 1 / -1; margin: 6px 2px 4px; color: var(--text-secondary); font-size: 12px; letter-spacing: .5px; }

.doc-item {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    backdrop-filter: blur(6px);
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.doc-item:hover { transform: translateY(-2px); border-color: var(--border-glass-hover); background: var(--bg-glass-hover); }
.doc-sn { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.doc-name { font-size: 14px; font-weight: 600; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-meta { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.doc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.doc-tag { font-size: 10px; padding: 3px 7px; border: 1px solid var(--border-glass); border-radius: 999px; color: var(--cyan); background: rgba(0,212,255,0.06); cursor: pointer; }
.doc-actions { display: flex; gap: 6px; }
.doc-status.loading { color: var(--text-secondary); }
.doc-status.success { color: var(--green); }
.doc-status.error { color: var(--red); }
.doc-progress { color: var(--cyan); }

.doc-status {
    margin-left: auto;
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 10px;
    flex-shrink: 0;
}

.doc-status.success {
    background: rgba(0, 255, 170, 0.1);
    color: var(--green);
}

.doc-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--red);
}

.doc-status.loading {
    background: rgba(0, 212, 255, 0.1);
    color: var(--cyan);
}

.faq-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.faq-tab {
    padding: 7px 18px;
    border-radius: 20px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
}

.faq-tab:hover {
    border-color: var(--border-glass-hover);
    color: var(--text-primary);
}

.faq-tab.active {
    background: var(--gradient-glow);
    border-color: var(--cyan);
    color: var(--cyan);
}

.faq-grid {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all var(--transition);
}

.faq-card:hover {
    border-color: var(--border-glass-hover);
    box-shadow: var(--shadow-glow);
}

.faq-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 10px;
}

.faq-card-question {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
}

.faq-card-status {
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 10px;
    flex-shrink: 0;
    white-space: nowrap;
}

.faq-card-status.published {
    background: rgba(0, 255, 170, 0.1);
    color: var(--green);
}

.faq-card-status.draft {
    background: rgba(245, 158, 11, 0.1);
    color: var(--orange);
}

.faq-card-status.rejected {
    background: rgba(239, 68, 68, 0.1);
    color: var(--red);
}

.faq-card-answer {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.faq-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.faq-tag {
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 11px;
    background: var(--bg-glass);
    color: var(--text-muted);
    border: 1px solid var(--border-glass);
}

.faq-card-actions {
    display: flex;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--border-glass);
}

.faq-action-btn {
    padding: 5px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition);
}

.faq-action-btn:hover {
    border-color: var(--border-glass-hover);
    color: var(--text-primary);
}

.faq-action-btn.approve {
    border-color: var(--green);
    color: var(--green);
}

.faq-action-btn.approve:hover {
    background: rgba(0, 255, 170, 0.1);
}

.faq-action-btn.reject {
    border-color: var(--red);
    color: var(--red);
}

.faq-action-btn.reject:hover {
    background: rgba(239, 68, 68, 0.1);
}

.graph-container {
    flex: 1;
    display: flex;
    gap: 20px;
    overflow: hidden;
}

.graph-canvas-wrapper {
    flex: 1;
    position: relative;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

#graph-canvas {
    width: 100%;
    height: 100%;
}

.graph-filters {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.graph-filter-btn {
    padding: 4px 12px;
    border-radius: 14px;
    border: 1px solid var(--border-glass);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all var(--transition);
}

.graph-filter-btn:hover {
    border-color: var(--border-glass-hover);
    color: var(--text-primary);
}

.graph-filter-btn.active {
    background: var(--gradient-glow);
    border-color: var(--cyan);
    color: var(--cyan);
}

.graph-node-detail {
    width: 260px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 20px;
    overflow-y: auto;
    flex-shrink: 0;
}

.graph-node-detail-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
}

.graph-node-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.graph-node-type {
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 10px;
    display: inline-block;
    margin-bottom: 12px;
}

.graph-node-type.equipment { background: rgba(0, 212, 255, 0.1); color: var(--cyan); }
.graph-node-type.component { background: rgba(99, 102, 241, 0.1); color: var(--purple); }
.graph-node-type.fault { background: rgba(239, 68, 68, 0.1); color: var(--red); }
.graph-node-type.solution { background: rgba(0, 255, 170, 0.1); color: var(--green); }
.graph-node-type.device { background: rgba(245, 158, 11, 0.1); color: var(--orange); }

.graph-node-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.graph-node-props {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.graph-node-prop {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    padding: 4px 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.05);
}

.graph-node-prop-key {
    color: var(--text-muted);
}

.graph-node-prop-value {
    color: var(--text-primary);
}

.fault-layout {
    flex: 1;
    display: flex;
    gap: 20px;
    overflow: hidden;
}

.fault-list-panel {
    width: 340px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-shrink: 0;
}

.fault-search {
    display: flex;
    gap: 8px;
}

.fault-search-input {
    flex: 1;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition);
}

.fault-search-input:focus {
    border-color: var(--cyan);
}

.fault-search-btn {
    padding: 8px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
    background: var(--gradient-glow);
    color: var(--cyan);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
}

.fault-search-btn:hover {
    border-color: var(--cyan);
    background: var(--gradient-primary);
    color: var(--bg-primary);
}

.fault-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.fault-list-header {
    font-size: 12px;
    color: var(--text-muted);
    padding: 8px 4px;
}

.fault-list-item {
    padding: 12px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.fault-list-item:hover {
    border-color: var(--border-glass-hover);
    background: var(--bg-glass);
}

.severity-badge {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 8px;
    flex-shrink: 0;
    font-weight: 600;
}

.severity-badge.high {
    background: rgba(239, 68, 68, 0.15);
    color: var(--red);
}

.severity-badge.medium {
    background: rgba(245, 158, 11, 0.15);
    color: var(--orange);
}

.severity-badge.low {
    background: rgba(0, 212, 255, 0.15);
    color: var(--cyan);
}

.fault-list-code {
    font-size: 11px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.fault-list-name {
    font-size: 13px;
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fault-detail-panel {
    flex: 1;
    overflow-y: auto;
}

.fault-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.fault-detail-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.fault-detail-name {
    font-size: 18px;
    font-weight: 600;
}

.fault-detail-code {
    font-size: 12px;
    color: var(--text-muted);
    padding: 2px 10px;
    background: var(--bg-glass);
    border-radius: 8px;
}

.fault-detail-severity {
    font-size: 11px;
    margin-left: auto;
}

.fault-detail-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.fault-detail-solution {
    padding: 12px 16px;
    background: var(--gradient-glow);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--cyan);
    margin-bottom: 16px;
}

.fault-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    margin-top: 16px;
}

.fault-steps {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.fault-step {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.fault-step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gradient-glow);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: var(--cyan);
    flex-shrink: 0;
}

.fault-parts {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.fault-part-tag {
    padding: 4px 12px;
    border-radius: 14px;
    font-size: 12px;
    background: var(--bg-glass);
    color: var(--text-secondary);
    border: 1px solid var(--border-glass);
}

.fault-ai-btn {
    padding: 8px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--cyan);
    background: var(--gradient-glow);
    color: var(--cyan);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
    margin-top: 12px;
}

.fault-ai-btn:hover {
    background: var(--gradient-primary);
    color: var(--bg-primary);
}

.fault-detail-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 14px;
    text-align: center;
}

.talent-layout {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    overflow: hidden;
}

.talent-map-panel {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.talent-map-header {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.talent-map {
    position: relative;
    height: calc(100vh - 160px);
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.map-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(1200px 600px at 20% 40%, rgba(0,212,255,0.08), transparent 60%),
                radial-gradient(1000px 500px at 80% 60%, rgba(99,102,241,0.08), transparent 60%);
    filter: saturate(1.1);
}

.map-overlay {
    position: absolute;
    inset: 0;
}

.talent-smiley {
    position: absolute;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(0,212,255,0.12);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    font-size: 12px;
    cursor: pointer;
    box-shadow: 0 0 16px rgba(0,212,255,0.12);
    transform: translate(-50%, -50%);
    transition: transform var(--transition), box-shadow var(--transition);
}

.talent-smiley:hover {
    transform: translate(-50%, -50%) scale(1.12);
    box-shadow: 0 0 24px rgba(0,212,255,0.25);
}

.talent-map-legend {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--cyan);} 
.legend-culture { background: #00D4FF }
.legend-product { background: #6366F1 }
.legend-solution { background: #22C55E }
.legend-practice { background: #F59E0B }

.talent-detail-panel {
    display: none;
}

.talent-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.talent-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.talent-detail-name {
    font-size: 18px;
    font-weight: 600;
}

.talent-detail-dept {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.talent-train-btn {
    padding: 8px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--cyan);
    background: var(--gradient-glow);
    color: var(--cyan);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
}

.talent-train-btn:hover {
    background: var(--gradient-primary);
    color: var(--bg-primary);
}

.talent-report-modal {
    position: fixed;
    right: 60px;
    top: 80px;
    width: 520px;
    max-height: 80vh;
    overflow: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 40px rgba(0,0,0,0.35);
    padding: 0;
    display: none;
    z-index: 9500;
}

.talent-report-modal.open { display: block; }

.talent-report-modal .modal-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.talent-report-modal .modal-title { font-weight: 600; }
.talent-report-modal .modal-body { padding: 18px; }

.skill-section {
    margin-bottom: 20px;
}

.skill-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.skill-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.skill-item-header {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.skill-item-name {
    color: var(--text-secondary);
}

.skill-item-level {
    color: var(--text-muted);
    font-size: 12px;
}

.skill-bar {
    height: 6px;
    border-radius: 3px;
    background: var(--bg-glass);
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s ease;
}

.skill-bar-fill.high {
    background: var(--gradient-primary);
}

.skill-bar-fill.medium {
    background: linear-gradient(90deg, #6366F1, #00D4FF);
}

.skill-bar-fill.low {
    background: linear-gradient(90deg, #F59E0B, #EF4444);
}

.skill-gap-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.skill-gap-tag {
    padding: 4px 12px;
    border-radius: 14px;
    font-size: 12px;
    background: rgba(239, 68, 68, 0.1);
    color: var(--red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.training-content {
    padding: 12px 16px;
    background: var(--gradient-glow);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
}

.training-suggestion-item {
    padding: 8px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.stats-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
}

.stats-placeholder svg {
    width: 48px;
    height: 48px;
    stroke: var(--text-muted);
    fill: none;
    stroke-width: 1;
    margin-bottom: 16px;
}

.stats-placeholder-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.stats-placeholder-desc {
    font-size: 13px;
    color: var(--text-muted);
}

.settings-form {
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.settings-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.settings-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.settings-input {
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition);
    font-family: monospace;
}

.settings-input:focus {
    border-color: var(--cyan);
}

.settings-input-row {
    display: flex;
    gap: 10px;
}

.settings-input-row .settings-group {
    flex: 1;
}

.settings-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.settings-input-wrapper .settings-input {
    flex: 1;
    padding-right: 40px;
}

.settings-input-toggle {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
}

.settings-input-toggle:hover {
    color: var(--text-primary);
}

.settings-actions {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.settings-btn {
    padding: 10px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
}

.settings-btn:hover {
    border-color: var(--border-glass-hover);
    color: var(--text-primary);
}

.settings-btn.primary {
    background: var(--gradient-glow);
    border-color: var(--cyan);
    color: var(--cyan);
}

.settings-btn.primary:hover {
    background: var(--gradient-primary);
    color: var(--bg-primary);
}

.llm-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.llm-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.llm-status-dot.connected {
    background: var(--green);
    box-shadow: 0 0 8px rgba(0, 255, 170, 0.4);
}

.right-panel {
    width: var(--right-panel-width);
    min-width: var(--right-panel-width);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
    overflow: hidden;
}

.right-panel.collapsed {
    width: 0;
    min-width: 0;
    border-left: none;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border-glass);
    flex-shrink: 0;
}

.panel-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-toggle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.panel-toggle:hover {
    border-color: var(--border-glass-hover);
    color: var(--text-primary);
}

.panel-toggle svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    transition: transform var(--transition);
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 18px;
}

.panel-source-item {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 14px;
    margin-bottom: 10px;
    transition: all var(--transition);
}

.panel-source-item:hover {
    border-color: var(--border-glass-hover);
}

.panel-source-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.panel-source-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.panel-source-icon svg {
    width: 12px;
    height: 12px;
    stroke: var(--bg-primary);
    fill: none;
    stroke-width: 2;
}

.panel-source-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-source-text {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.source-card.external {
    border-color: rgba(0, 212, 255, 0.25);
}
.source-card .source-actions {
    margin-top: 8px;
}
.source-link-btn {
    font-size: 12px;
    color: var(--cyan);
    border: 1px solid var(--border-glass);
    padding: 4px 10px;
    border-radius: 999px;
    text-decoration: none;
    transition: all var(--transition);
}
.source-link-btn:hover {
    border-color: var(--cyan);
    background: rgba(0, 212, 255, 0.08);
}

.type-badge {
    margin-left: 8px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
}
.type-新闻 { color: var(--cyan); border-color: rgba(0,212,255,0.3); }
.type-产品 { color: var(--green); border-color: rgba(0,255,170,0.3); }
.type-解决方案 { color: var(--purple); border-color: rgba(99,102,241,0.3); }
.type-官网 { color: var(--text-muted); }

.panel-source-score {
    font-size: 11px;
    color: var(--cyan);
    margin-top: 6px;
}

.panel-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 20px;
}

.panel-empty svg {
    width: 36px;
    height: 36px;
    stroke: var(--text-muted);
    fill: none;
    stroke-width: 1;
    margin-bottom: 12px;
}

.panel-empty-text {
    font-size: 13px;
    color: var(--text-muted);
}

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    pointer-events: auto;
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast.success {
    border-color: var(--green);
}

.toast.error {
    border-color: var(--red);
    color: var(--red);
}

.toast.warning {
    border-color: var(--orange);
    color: var(--orange);
}

.toast.info {
    border-color: var(--cyan);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 9000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.show {
    display: flex;
}

.faq-draft-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    width: 560px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-glass);
}

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

.modal-close {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all var(--transition);
}

.modal-close:hover {
    border-color: var(--red);
    color: var(--red);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.modal-field-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.modal-field-input {
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition);
    font-family: inherit;
    resize: vertical;
}

.modal-field-input:focus {
    border-color: var(--cyan);
}

.modal-field-textarea {
    min-height: 80px;
    line-height: 1.6;
}

.modal-field-row {
    display: flex;
    gap: 12px;
}

.modal-field-row .modal-field {
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-glass);
}

.modal-footer-btn {
    padding: 8px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
}

.modal-footer-btn:hover {
    border-color: var(--border-glass-hover);
    color: var(--text-primary);
}

.modal-footer-btn.primary {
    background: var(--gradient-glow);
    border-color: var(--cyan);
    color: var(--cyan);
}

.modal-footer-btn.primary:hover {
    background: var(--gradient-primary);
    color: var(--bg-primary);
}

.modal-footer-btn.danger {
    border-color: var(--red);
    color: var(--red);
}

.modal-footer-btn.danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.page-footer {
    text-align: center;
    font-size: 11px;
    color: var(--text-muted);
    padding: 12px 0;
    flex-shrink: 0;
    border-top: 1px solid var(--border-glass);
    margin-top: auto;
}

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-glass);
    border-top-color: var(--cyan);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

@media (max-width: 1200px) {
    .right-panel {
        width: 260px;
        min-width: 260px;
    }
    .fault-list-panel,
    .talent-list-panel {
        width: 280px;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        width: 60px;
        min-width: 60px;
    }
    .sidebar-header {
        padding: 16px 12px;
    }
    .logo-text, .logo-sub, .sidebar-footer .user-info, .nav-item span {
        display: none;
    }
    .nav-item {
        justify-content: center;
        padding: 11px;
    }
    .nav-item.active::before {
        display: none;
    }
    .sidebar-footer {
        padding: 10px;
    }
    .user-profile {
        justify-content: center;
    }
    .right-panel {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        z-index: 100;
        box-shadow: var(--shadow-card);
    }
    .right-panel.collapsed {
        transform: translateX(100%);
    }
    .graph-node-detail {
        width: 200px;
    }
}