styles.css

/* DDR-Bench Dashboard - Apple-Inspired Design System */
/* Full-width layout with landscape charts */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ========================= */
/*     DESIGN TOKENS         */
/* ========================= */
:root {
    /* Color Palette - Apple Inspired */
    --color-text: #1d1d1f;
    --color-text-secondary: #424245;
    --color-text-muted: #6e6e73;
    --color-background: #f5f5f7;
    /* Reverted to original light gray */
    --color-surface: #ffffff;
    /* Reverted to pure white cards */
    --color-border: #d2d2d7;
    /* Reverted border color */

    /* Accent Colors */
    --color-primary: #0071e3;
    --color-primary-hover: #0077ed;

    /* Model Type Colors */
    --color-proprietary: #7c3aed;
    --color-proprietary-bg: rgba(124, 58, 237, 0.08);
    --color-opensource: #059669;
    --color-opensource-bg: rgba(5, 150, 105, 0.08);

    /* Shadows - Soft and premium */
    /* Shadows - Flat & Light */
    --shadow-sm: none;
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.02);
    /* Very subtle shadow */
    --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.05);
    /* Gentle hover lift */

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-pill: 980px;

    /* Typography */
    --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
    --font-mono: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Monaco, Consolas, monospace;
}

/* ========================= */
/*     BASE STYLES           */
/* ========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-system);
    background: var(--color-background);
    color: var(--color-text);
    line-height: 1.47059;
    letter-spacing: -0.022em;
    min-height: 100vh;
}

/* Global Image Optimization */
img {
    image-rendering: auto;
    image-rendering: high-quality;
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* ========================= */
/*     HERO SECTION          */
/* ========================= */
.hero {
    background: linear-gradient(180deg, #ffffff 0%, var(--color-background) 100%);
    padding: var(--space-2xl) var(--space-lg);
    text-align: center;
}

.hero-preview-img {
    max-width: 600px;
    width: 80%;
    height: auto;
    margin: var(--space-lg) auto;
    display: block;
    border-radius: var(--radius-md);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.badge svg {
    width: 16px;
    height: 16px;
}

.hero h1 {
    font-size: 72px;
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.05;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.title-logo {
    height: 1em;
    width: auto;
    vertical-align: middle;
}

.hero h2 {
    font-size: 32px;
    font-weight: 500;
    color: var(--color-text-secondary);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.hero .description {
    font-size: 21px;
    line-height: 1.7;
    color: var(--color-text-muted);
    max-width: 1200px;
    margin: 0 auto var(--space-lg);
    text-align: left;
}

/* Meta Information */
/* Meta Information */
.meta-info {
    display: flex;
    flex-direction: column;
    /* Stack vertically as requested */
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
}

.meta-row.authors {
    font-size: 22px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.meta-row.authors a {
    color: var(--color-text);
    text-decoration: none;
    position: relative;
    padding: 2px 6px;
    margin: 0 -2px;
    border-radius: 6px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    /* 初始状态下非常淡的下划线，作为微妙的视觉暗示 */
    border-bottom: 1.5px solid rgba(0, 113, 227, 0.1);
}

.meta-row.authors a:hover {
    color: var(--color-primary);
    background-color: rgba(0, 113, 227, 0.05);
    border-bottom-color: var(--color-primary);
    transform: translateY(-1px);
}

.meta-row.affiliations {
    font-size: 17px;
    color: var(--color-text-secondary);
}

.affiliation-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: transform 0.2s ease, opacity 0.2s ease;
    opacity: 0.85;
}

.affiliation-logo:hover {
    transform: scale(1.1);
    opacity: 1;
}

.kcl-logo {
    height: 60px;
}

.meta-row.links {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    gap: var(--space-md);
}

.meta-item {
    font-size: inherit;
    /* Inherit from row */
    color: inherit;
}

/* Platform Buttons */
.platform-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    font-size: 18px;
    font-weight: 600;
    border-radius: var(--radius-pill);
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.platform-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.platform-btn svg {
    flex-shrink: 0;
}

.huggingface-btn {
    background: linear-gradient(135deg, #FFD21E 0%, #FFA500 100%);
    color: #000000;
}

.huggingface-btn:hover {
    background: linear-gradient(135deg, #FFA500 0%, #FFD21E 100%);
}

.dataset-btn {
    background: linear-gradient(135deg, #06B6D4 0%, #0EA5E9 100%);
    color: #ffffff;
}

.dataset-btn:hover {
    background: linear-gradient(135deg, #0EA5E9 0%, #06B6D4 100%);
}

.github-btn {
    background: linear-gradient(135deg, #24292e 0%, #000000 100%);
    color: #ffffff;
}

.github-btn:hover {
    background: linear-gradient(135deg, #000000 0%, #24292e 100%);
}

.arxiv-btn {
    background: linear-gradient(135deg, #B31B1B 0%, #8B0000 100%);
    color: #ffffff;
}

.arxiv-btn:hover {
    background: linear-gradient(135deg, #8B0000 0%, #B31B1B 100%);
}

.alphaxiv-btn {
    background: linear-gradient(135deg, #E5E7EB 0%, #D1D5DB 100%);
    color: #1d1d1f;
}

.alphaxiv-btn:hover {
    background: linear-gradient(135deg, #D1D5DB 0%, #E5E7EB 100%);
}

.notion-btn {
    background: linear-gradient(135deg, #37352f 0%, #1a1a1a 100%);
    color: #ffffff;
}

.notion-btn:hover {
    background: linear-gradient(135deg, #1a1a1a 0%, #37352f 100%);
}

/* ========================= */
/*     MAIN CONTENT          */
/* ========================= */
.content {
    max-width: 1800px;
    width: 98%;
    margin: 0 auto;
    padding: 0 var(--space-md) var(--space-2xl);
}

/* ========================= */
/*     SECTION STYLES        */
/* ========================= */
.section {
    margin-bottom: var(--space-2xl);
    padding-top: var(--space-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-md);
}

.section-header h2 {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 36px;
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.section-header h2 svg {
    width: 36px;
    height: 36px;
    color: var(--color-text-secondary);
}

.section-header p {
    font-size: 19px;
    color: var(--color-text-muted);
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Color-coded model type badges */
.section-header .model-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
}

.section-header .model-badge.proprietary {
    background: var(--color-proprietary-bg);
    color: var(--color-proprietary);
}

.section-header .model-badge.opensource {
    background: var(--color-opensource-bg);
    color: var(--color-opensource);
}

/* ========================= */
/*     DIMENSION TOGGLE      */
/* ========================= */
.dimension-toggle {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: var(--space-md);
}

.dim-btn,
.toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-system);
}

.dim-btn:hover,
.toggle-btn:hover {
    background: var(--color-background);
    border-color: var(--color-text-muted);
}

.dim-btn.active,
.toggle-btn.active {
    background: var(--color-text);
    border-color: var(--color-text);
    color: #ffffff;
}

/* ========================= */
/*     SHARED LEGEND         */
/* ========================= */
.shared-legend {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-surface);
    border-radius: var(--radius-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.legend-color {
    width: 12px;
    height: 3px;
    border-radius: 2px;
}

/* ========================= */
/*     CHARTS GRID           */
/* ========================= */
.charts-grid {
    display: grid;
    gap: var(--space-md);
}

.charts-grid.three-col {
    grid-template-columns: repeat(3, 1fr);
}

.charts-grid.two-col {
    grid-template-columns: repeat(2, 1fr);
}

.charts-grid.single {
    grid-template-columns: 1fr;
}

/* ========================= */
/*     CHART CARD            */
/* ========================= */
.chart-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1rem;
    /* Keeping compact padding */
    border: 1px solid rgba(0, 0, 0, 0.03);
    /* Extremely subtle border */
    box-shadow: var(--shadow-card);
    transition: all 0.2s ease;
}

.chart-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.chart-card h3 {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-xs);
}

.chart-card.wide {
    padding: var(--space-md);
}

/* ========================= */
/*     CHART CONTAINERS      */
/* ========================= */
.chart-container {
    height: 280px;
    width: 100%;
}

.chart-container-tall {
    height: 380px;
    width: 100%;
}

.chart-container-double {
    height: 450px;
    width: 100%;
}

.chart-container-benchmarking {
    height: 850px;
    width: 100%;
}


/* ========================= */
/*     FRAMEWORK SECTION     */
/* ========================= */
.framework-section {
    margin-bottom: var(--space-2xl);
}

.framework-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    justify-items: center;
}

.framework-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1400px;
}

.framework-card .placeholder {
    width: 100%;
    height: 800px;
    background: linear-gradient(135deg, #f0f0f2 0%, #e8e8ed 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 500;
    border: 2px dashed var(--color-border);
}

.framework-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin-top: var(--space-sm);
    text-align: center;
}

.framework-card img,
.framework-card object {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: var(--color-background);
    mix-blend-mode: multiply;
    /* This will blend white backgrounds with the page background */
    image-rendering: auto;
    image-rendering: high-quality;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Framework Image Loading Effect */
.framework-img-wrapper {
    position: relative;
    width: 100%;
    min-height: 400px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.framework-img {
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}

.framework-img.loaded {
    opacity: 1;
}

/* Skeleton Loader Animation */
.skeleton-loader {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
            #f0f0f2 0%,
            #e8e8ed 20%,
            #f0f0f2 40%,
            #f0f0f2 100%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.framework-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--space-sm);
    padding: 0 var(--space-sm);
}

.trajectory-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 0;
    margin-bottom: var(--space-md);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-md);
}

.section-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--space-md);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-md);
}

.platform-icon {
    flex-shrink: 0;
}

.github-btn .platform-icon,
.arxiv-btn .platform-icon {
    filter: brightness(0) invert(1);
}

.huggingface-btn .platform-icon {
    filter: none;
}

/* ========================= */
/*     CAROUSEL / RESULTS    */
/* ========================= */
.carousel-wrapper {
    position: relative;
    overflow: hidden;
}

/* Gradient fade overlays */
.carousel-wrapper::before,
.carousel-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.carousel-wrapper::before {
    left: 0;
    background: linear-gradient(to right, var(--color-background) 0%, transparent 100%);
}

.carousel-wrapper::after {
    right: 0;
    background: linear-gradient(to left, var(--color-background) 0%, transparent 100%);
}

.carousel-track {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-sm) 0;
    transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
    will-change: transform;
}

.carousel-card {
    flex: 0 0 66.666%;
    min-width: 0;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-card);
    transition: transform 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
}

.carousel-card.active {
    transform: scale(1);
    opacity: 1;
}

.carousel-card.side {
    transform: scale(0.92);
    opacity: 0.6;
}

.carousel-card .placeholder {
    width: 100%;
    height: 420px;
    background: linear-gradient(135deg, #f0f0f2 0%, #e8e8ed 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 16px;
    font-weight: 500;
    border: 2px dashed var(--color-border);
}

.carousel-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-top: var(--space-sm);
    text-align: center;
}

.carousel-card img {
    width: 100%;
    height: 420px;
    object-fit: contain;
    border-radius: var(--radius-md);
    image-rendering: auto;
    image-rendering: high-quality;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.card-caption {
    font-size: 17px;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-top: var(--space-md);
    padding: var(--space-sm);
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--radius-sm);
    text-align: center;
}

/* Carousel Navigation Buttons */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

.carousel-btn:hover {
    background: var(--color-text);
    color: #ffffff;
    border-color: var(--color-text);
}

.carousel-btn svg {
    width: 22px;
    height: 22px;
}

/* Carousel Dots */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: var(--space-md);
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.carousel-dot:hover {
    background: var(--color-text-muted);
}

.carousel-dot.active {
    background: var(--color-text);
    width: 24px;
    border-radius: 4px;
}

/* ========================= */
/*     FOOTER                */
/* ========================= */
footer {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    background: var(--color-background);
    border-top: 1px solid var(--color-border);
}

footer p {
    font-size: 13px;
    color: var(--color-text-muted);
}

footer a {
    color: var(--color-primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* ========================= */
/*     RESPONSIVE            */
/* ========================= */
@media (max-width: 1200px) {
    .charts-grid.three-col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {

    .charts-grid.three-col,
    .charts-grid.two-col {
        grid-template-columns: 1fr;
    }

    .framework-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 44px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .content {
        width: 100%;
        padding: 0 var(--space-sm) var(--space-2xl);
    }
}

@media (max-width: 600px) {
    html {
        font-size: 16px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero .subtitle {
        font-size: 20px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .dimension-toggle {
        flex-wrap: wrap;
    }

    .dim-btn,
    .toggle-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
}

/* ========================= */
/*     TRAJECTORY / CHAT     */
/* ========================= */
.trajectory-container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.08);
    overflow: hidden;
    /* Ensure rounded corners */
    position: relative;
    /* For scroll hint positioning */
}

/* Scroll Hint Bubble */
.scroll-hint {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-pill);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    pointer-events: none;
    z-index: 10;
    transition: opacity 0.3s ease, transform 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.scroll-hint.hidden {
    opacity: 0;
    transform: translateY(10px);
}

.scroll-hint svg {
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

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

    50% {
        transform: translateY(4px);
    }
}

.chat-window {
    height: 750px;
    /* Fixed height for scrolling */
    overflow-y: auto;
    /* Enable vertical scroll */
    padding: var(--space-md);
    background: #f4f9f4;
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.02);
    /* Soft light mint green background */
    font-size: 16px;
}

.chat-message {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-md);
    max-width: 85%;
    /* Limit width */
    animation: fadeIn 0.3s ease;
}

.chat-message.role-agent {
    align-self: flex-end;
    /* Align right */
    align-items: flex-end;
    /* Align content inside to right */
    margin-left: auto;
}

.chat-message.role-environment {
    align-self: flex-start;
    /* Align left */
    align-items: flex-start;
    margin-right: auto;
}

.message-role-label {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0 4px;
}

.message-bubble {
    padding: 14px 18px;
    border-radius: 12px;
    line-height: 1.5;
    position: relative;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    font-size: 15px;
}

.role-agent .message-bubble {
    background: #0071e3;
    /* Apple Blue */
    color: white;
    border-bottom-right-radius: 2px;
    /* Chat bubble effect */
}

/* Fix links/code in agent bubble to be readable on blue */
.role-agent .message-bubble a {
    color: white;
    text-decoration: underline;
}

.role-agent .message-bubble code {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.role-agent .message-bubble pre {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.role-agent .message-bubble pre code {
    background: transparent;
    color: white;
}

.role-environment .message-bubble {
    background: white;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-bottom-left-radius: 2px;
    /* Chat bubble effect */
    font-family: var(--font-mono);
    /* Monospace for data */
    font-size: 13px;
}

.role-environment .message-bubble pre {
    margin: 0;
    white-space: pre-wrap;
    /* Wrap long lines */
    background: transparent;
    border: none;
    padding: 0;
}

/* Tool Call Styling */
.tool-call-block {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

/* Force NO Wrap on Code and Allow Scroll */
.message-bubble pre,
.message-bubble code {
    white-space: pre !important;
    /* No wrapping */
    word-break: normal !important;
    overflow-x: auto;
    /* Allow scroll */
}

/* Markdown Content Styling */
.message-bubble table {
    display: block;
    /* Enable scroll behavior */
    overflow-x: auto;
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 13px;
    font-family: var(--font-sans);
    white-space: nowrap;
    /* Force wide tables to scroll */
}

.message-bubble th,
.message-bubble td {
    padding: 8px 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    text-align: left;
}

.message-bubble th {
    background: rgba(0, 0, 0, 0.03);
    font-weight: 600;
}

.message-bubble tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.01);
}

.message-bubble p {
    margin-bottom: 0.5em;
}

.message-bubble p:last-child {
    margin-bottom: 0;
}

/* Terminal / Code Block Styling - Mac Shell Style */
.message-bubble pre {
    background: #282c34 !important;
    /* Atom One Dark BG */
    border-radius: 8px;
    margin: 12px 0;
    position: relative;
    padding-top: 32px;
    /* Space for header */
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.message-bubble pre::before {
    content: "";
    /* Or maybe "Terminal" or content from attribute? */
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: #21252b;
    /* Darker header */
    border-bottom: 1px solid rgba(0, 0, 0, 0.5);
    z-index: 10;
    /* Removed Traffic lights */
}

.message-bubble pre code {
    display: block;
    padding: 12px 16px;
    /* Removed manual color to let highlight.js work */
    font-family: "SF Mono", "Monaco", "Inconsolata", "Fira Mono", "Droid Sans Mono", "Source Code Pro", monospace;
    font-size: 13px;
    line-height: 1.6;
    background: transparent !important;
}

/* Scrollbar styling */
.chat-window::-webkit-scrollbar {
    width: 8px;
}

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

.chat-window::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.chat-window::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.2);
}

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

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