/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #FCFBF9;
    /* Very subtle warm tint */
    --bg-tertiary: #F5F3EF;
    --bg-card: #FFFFFF;
    --bg-input: #FFFFFF;

    --text-primary: #2B2A29;
    --text-secondary: #5F5E5C;
    --text-muted: #8C8B89;

    --accent-blue: #D96941;
    /* Warm primary accent */
    --accent-purple: #B08D6A;
    --accent-cyan: #749C93;
    --accent-green: #678D53;
    --accent-orange: #DF933B;
    --accent-red: #D15A5A;
    --accent-pink: #C77B87;

    /* Flat colors for a refined tech look instead of gradients */
    --gradient-primary: var(--accent-blue);
    --gradient-secondary: var(--accent-purple);
    --gradient-success: var(--accent-green);
    --gradient-danger: var(--accent-red);
    --gradient-warm: var(--accent-orange);

    --border-color: #EAE8E2;
    --border-subtle: #F6F4F0;

    --shadow-sm: 0 1px 2px rgba(43, 42, 41, 0.04);
    --shadow-md: 0 4px 12px rgba(43, 42, 41, 0.06);
    --shadow-lg: 0 12px 24px rgba(43, 42, 41, 0.08);
    --shadow-glow-blue: none;
    --shadow-glow-purple: none;
    --shadow-glow-green: none;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --header-height: 64px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    letter-spacing: -0.01em;
    overflow: hidden;
    height: 100vh;
}

/* Background */
body::before {
    display: none;
}

/* ========================================
   App Container
   ======================================== */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
    z-index: 1;
}

/* ========================================
   Header
   ======================================== */
.app-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    color: white;
}

.app-header h1 {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    background: var(--gradient-secondary);
    color: white;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Mode Tabs */
.header-center {
    display: flex;
    align-items: center;
}

.mode-tabs {
    display: flex;
    gap: 8px;
    background: transparent;
    padding: 0;
}

.mode-tab {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-family: inherit;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.mode-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.mode-tab.active {
    color: var(--accent-blue);
    background: var(--bg-primary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.role-selector select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 28px 6px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    transition: all 0.2s;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 14px;
}

.role-selector select:hover,
.role-selector select:focus {
    border-color: var(--accent-blue);
    background-color: var(--bg-primary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: white;
}

/* ========================================
   Main Content
   ======================================== */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* ========================================
   Panel Commons
   ======================================== */
.panel-header {
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.panel-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: rgba(148, 163, 184, 0.2);
}

/* ========================================
   Chat Panel
   ======================================== */
.chat-panel {
    width: 440px;
    min-width: 380px;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    position: relative;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 4px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(15, 23, 42, 0.1);
    border-radius: 4px;
}

/* Welcome Message */
.welcome-message {
    text-align: center;
    padding: 30px 16px;
    animation: fadeInUp 0.6s ease;
}

.welcome-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--accent-blue);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.welcome-message h3 {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.welcome-message p {
    font-size: 13px;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 24px;
    letter-spacing: 0.3px;
}

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.quick-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 12px;
    margin-bottom: 4px;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 6px;
}

.quick-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.quick-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.quick-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    font-family: inherit;
    box-shadow: var(--shadow-sm);
}

.quick-btn:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.quick-btn.operate:hover {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: var(--shadow-glow-green);
}

.quick-btn.diagnose:hover {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.25);
}

.quick-icon {
    font-size: 16px;
}

/* Chat Bubbles */
.message {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    animation: fadeInUp 0.3s ease;
}

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

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.message.assistant .message-avatar {
    background: var(--bg-primary);
    color: var(--accent-blue);
    border: 1px solid var(--border-color);
}

.message-bubble {
    max-width: 85%;
    padding: 12px 16px;
    font-size: 14px;
    line-height: 1.65;
}

.message.user .message-bubble {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 16px 16px 4px 16px;
}

.message.assistant .message-bubble {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px 16px 16px 4px;
    color: var(--text-primary);
}

/* Typing */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-blue);
    animation: typing-bounce 1.4s ease-in-out infinite;
}

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

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

@keyframes typing-bounce {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.4;
    }

    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* Skill Steps */
.skill-step-chat {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.skill-step-chat .step-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    flex-shrink: 0;
}

.skill-step-chat .step-icon.running {
    background: rgba(37, 99, 235, 0.1);
    color: var(--accent-blue);
    animation: spin 1s linear infinite;
}

.skill-step-chat .step-icon.done {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
}

.skill-step-chat .step-icon.fail {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
}

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

/* Chat Input */
.chat-input-area {
    padding: 16px 20px 24px 20px;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    background: var(--bg-secondary);
    width: 100%;
    box-sizing: border-box;
    margin-top: auto;
}

/* Quick Tags Container (Above Input) */
.quick-tags-wrapper {
    position: relative;
    display: none;
    /* Shown dynamically via JS */
    align-items: center;
    width: 100%;
}

.quick-tags-wrapper::before,
.quick-tags-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 12px;
    width: 40px;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.quick-tags-wrapper.show-left::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-secondary) 20%, transparent);
    opacity: 1;
}

.quick-tags-wrapper.show-right::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-secondary) 20%, transparent);
    opacity: 1;
}

.quick-tags-container {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 12px;
    scrollbar-width: none;
    /* Firefox */
    scroll-behavior: smooth;
    width: 100%;
}

.quick-tags-container::-webkit-scrollbar {
    display: none;
    /* Chrome/Safari */
}

.quick-tag-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.quick-tag-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: rgba(148, 163, 184, 0.4);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.quick-tag-btn .icon {
    font-size: 14px;
    color: var(--accent-blue);
}

.tag-scroll-btn {
    position: absolute;
    top: calc(50% - 6px);
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: none;
    /* Controlled by JS based on scroll */
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

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

.tag-scroll-btn.left {
    left: -14px;
}

.tag-scroll-btn.right {
    right: -14px;
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 12px 10px 16px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-sm);
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.input-wrapper:focus-within {
    border-color: var(--accent-blue);
    box-shadow: 0 4px 20px rgba(217, 105, 65, 0.08);
    transform: translateY(-1px);
}

#chatInput {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    max-height: 120px;
    line-height: 1.6;
    padding: 4px 0;
    margin-right: 8px;
}

#chatInput::placeholder {
    color: var(--text-muted);
    font-weight: 300;
}

.input-actions-right {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0px;
    white-space: nowrap;
    flex-shrink: 0;
}

.icon-btn {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

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

.icon-btn.active {
    background: rgba(217, 105, 65, 0.1);
    color: var(--accent-blue);
}

.send-btn {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--text-muted);
    cursor: default;
    transition: all 0.2s;
}

.send-btn.ready {
    background: var(--accent-blue);
    color: white;
    cursor: pointer;
}

.send-btn.ready:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow-blue);
}

.input-hint {
    text-align: center;
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 10px;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* ========================================
   Data Panel
   ======================================== */
.data-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    overflow: hidden;
}

.data-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.data-content::-webkit-scrollbar {
    width: 4px;
}

.data-content::-webkit-scrollbar-track {
    background: transparent;
}

.data-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
}

.empty-icon {
    margin-bottom: 20px;
    opacity: 0.3;
    animation: float 4s ease-in-out infinite;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 24px;
}

.capability-cards {
    display: flex;
    gap: 16px;
}

.cap-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 32px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-sm);
}

.cap-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cap-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: var(--bg-tertiary) !important;
    /* Force override local HTML styles */
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* ========================================
   Flow Diagram (5-layer decision chain)
   ======================================== */
.flow-section {
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease;
}

.flow-section-title {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.3px;
    color: var(--text-primary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.flow-section-title .flow-num {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.flow-section-hint {
    margin-left: auto;
    font-size: 12px;
    font-weight: 400;
    color: var(--accent-blue);
    cursor: pointer;
}

.flow-cards {
    display: flex;
    gap: 12px;
}

.flow-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    min-height: 160px;
}

.flow-card:first-child {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 1px rgba(217, 105, 65, 0.08);
}

.flow-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.flow-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    font-size: 20px;
}

.flow-card-icon.blue {
    background: rgba(217, 105, 65, 0.1);
    color: var(--accent-blue);
}

.flow-card-icon.red {
    background: rgba(209, 90, 90, 0.1);
    color: var(--accent-red);
}

.flow-card-icon.cyan {
    background: rgba(116, 156, 147, 0.1);
    color: var(--accent-cyan);
}

.flow-card-icon.purple {
    background: rgba(176, 141, 106, 0.1);
    color: var(--accent-purple);
}

.flow-card-icon.green {
    background: rgba(103, 141, 83, 0.1);
    color: var(--accent-green);
}

.flow-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.flow-card-subtitle {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 10px;
}

.flow-card-desc {
    font-size: 12px;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.7;
}

.flow-card.active {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 1px rgba(217, 105, 65, 0.2);
    background: linear-gradient(to bottom, var(--bg-card), rgba(217, 105, 65, 0.02));
}

.flow-card.active::after {
    content: '';
    position: absolute;
    bottom: -13px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid var(--accent-blue);
    animation: fadeInDown 0.3s ease;
}

.flow-detail-container {
    margin-top: 24px;
    width: 100%;
}

.flow-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: left;
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-sm);
}

.flow-detail-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--border-color);
}

.flow-detail-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.flow-detail-tag {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    background: rgba(217, 105, 65, 0.1);
    color: var(--accent-blue);
    border-radius: 4px;
    text-transform: uppercase;
}

.flow-code-block {
    background: #fdfcfb;
    border: 1px solid #f3efea;
    border-radius: 6px;
    padding: 16px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: #4b443d;
    overflow-x: auto;
    margin-bottom: 16px;
}

.flow-code-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
}

.flow-step-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.flow-step-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.flow-step-num {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-blue);
    color: white;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.flow-step-content {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.flow-step-content strong {
    color: var(--text-primary);
    font-weight: 500;
}

/* ========================================
   Info Cards (shared by all result types)
   ======================================== */
.diagnosis-container,
.result-container {
    animation: fadeInUp 0.5s ease;
}

.result-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.result-header-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.result-header-text h2 {
    font-size: 18px;
    font-weight: 600;
}

.result-header-text p {
    font-size: 13px;
    color: var(--text-secondary);
}

.result-type-badge {
    margin-left: auto;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.result-type-badge.query {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
}

.result-type-badge.diagnose {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.result-type-badge.operate {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.info-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 24px;
    margin-bottom: 20px;
    animation: fadeInUp 0.4s ease both;
    transition: border-color 0.2s;
}

.info-card:hover {
    border-color: var(--border-subtle);
}

.info-card:nth-child(2) {
    animation-delay: 0.1s;
}

.info-card:nth-child(3) {
    animation-delay: 0.2s;
}

.info-card:nth-child(4) {
    animation-delay: 0.3s;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 14px;
}

.card-title .icon {
    font-size: 18px;
}

/* Data Grid */
.data-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.data-grid.cols-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.data-item {
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.data-item .label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.data-item .value {
    font-size: 14px;
    font-weight: 500;
}

.data-item.full-width {
    grid-column: 1 / -1;
}

/* Check List */
.check-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.check-item.pass {
    border-left-color: var(--accent-green);
}

.check-item.fail {
    border-left-color: var(--accent-red);
    background: rgba(239, 68, 68, 0.05);
}

.check-item.warn {
    border-left-color: var(--accent-orange);
    background: rgba(245, 158, 11, 0.05);
}

.check-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.check-icon.pass {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.check-icon.fail {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.check-icon.warn {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-orange);
}

.check-text {
    flex: 1;
}

.check-text .name {
    font-size: 14px;
    font-weight: 500;
}

.check-text .detail {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.status-badge.expired {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.status-badge.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-orange);
}

.status-badge.info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.status-badge.purple {
    background: rgba(124, 58, 237, 0.1);
    color: var(--accent-purple);
}

/* Suggestion Card */
.suggestion-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-top: 16px;
    animation: fadeInUp 0.5s ease 0.5s both;
}

.suggestion-card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--accent-blue);
}

.suggestion-list {
    list-style: none;
}

.suggestion-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.suggestion-list li::before {
    content: '→';
    color: var(--accent-blue);
    font-weight: 600;
    flex-shrink: 0;
}

/* Skill tags */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-primary);
    font-weight: 500;
}

.skill-tag .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-purple);
}

/* Progress bar */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
    margin: 12px 0;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* ========================================
   Table
   ======================================== */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 13px;
}

.data-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.data-table th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}

.data-table th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}

.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--bg-tertiary);
}

/* ========================================
   Form Elements (for operations)
   ======================================== */
.form-group {
    margin-bottom: 18px;
}

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

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

.form-input,
.form-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-input:focus,
.form-select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(217, 105, 65, 0.15);
    /* Warm glow */
}

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

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    min-height: 80px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(217, 105, 65, 0.15);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.btn {
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: #BD5835;
    /* Darker warm coral */
}

.btn-success {
    background: var(--accent-green);
    color: white;
}

.btn-success:hover {
    background: #527540;
    /* Darker warm green */
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

/* Success Overlay */
.success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.success-card {
    background: var(--bg-card);
    border: 1px solid rgba(103, 141, 83, 0.3);
    border-radius: var(--radius-xl);
    padding: 40px;
    text-align: center;
    max-width: 400px;
    animation: scaleIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(103, 141, 83, 0.15);
}

@keyframes scaleIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.success-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin: 0 auto 20px;
    color: white;
}

.success-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.success-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Schedule card */
.schedule-slot {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    margin-bottom: 8px;
    transition: all 0.2s;
}

.schedule-slot:hover {
    border-color: var(--accent-blue);
    background: var(--bg-tertiary);
}

.schedule-time {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-blue);
    min-width: 120px;
}

.schedule-info {
    flex: 1;
}

.schedule-info .worker-name {
    font-size: 14px;
    font-weight: 500;
}

.schedule-info .worker-detail {
    font-size: 12px;
    color: var(--text-muted);
}

/* Stat Cards */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    padding: 20px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-align: center;
    transition: border-color 0.2s;
}

.stat-card:hover {
    border-color: var(--accent-blue);
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-blue);
}

.stat-card .stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 900px) {
    .main-content {
        flex-direction: column;
    }

    .chat-panel {
        width: 100%;
        min-width: unset;
        height: 50%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        background: rgba(255, 255, 255, 0.95);
    }

    .data-panel {
        height: 50%;
    }

    .header-center {
        display: none;
    }

    .stat-cards {
        grid-template-columns: 1fr 1fr;
    }
}

/* ========================================
   Skill Settings Modal
======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-container.skill-modal {
    width: 90%;
    max-width: 1100px;
    height: 85vh;
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-body {
    flex: 1;
    overflow: hidden;
    /* Handle scrolling inside specific views */
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    gap: 12px;
}

/* Skill List View */
#skillListView {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.skill-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
}

.skill-search {
    position: relative;
    width: 300px;
}

.skill-search svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.skill-search input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

.skill-search input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.skill-grid {
    flex: 1;
    overflow-y: auto;
    padding: 0 24px 24px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    align-content: flex-start;
}

.skill-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.skill-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.skill-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.skill-card-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 15px;
    margin-bottom: 4px;
}

.skill-card-id {
    font-family: 'Consolas', monospace;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.skill-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.skill-card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color);
}

.skill-tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    font-weight: 500;
}

.skill-owner {
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: auto;
}

/* Skill Editor View */
#skillEditorView {
    height: 100%;
}

.editor-layout {
    display: flex;
    height: 100%;
}

.editor-nav {
    width: 240px;
    border-right: 1px solid var(--border-color);
    background: var(--bg-secondary);
    padding: 16px 0;
    overflow-y: auto;
    flex-shrink: 0;
}

.nav-item {
    width: 100%;
    text-align: left;
    padding: 12px 20px;
    background: none;
    border: none;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item:hover {
    background: rgba(0, 0, 0, 0.02);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--bg-primary);
    color: var(--accent-blue);
    border-left-color: var(--accent-blue);
    font-weight: 500;
}

.editor-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px 32px;
    background: var(--bg-primary);
}

/* Form Styles */
.form-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.form-section.active {
    display: block;
}

.form-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-label .required {
    color: var(--accent-red);
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

textarea.form-control {
    min-height: 80px;
    resize: vertical;
}

.form-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}