:root {
    --batl-bg: #f6efe7;
    --batl-surface: rgba(255, 255, 255, 0.96);
    --batl-surface-soft: rgba(255, 255, 255, 0.82);
    --batl-ink: #18313b;
    --batl-muted: #61717b;
    --batl-accent: #0e9488;
    --batl-accent-strong: #0b6f68;
    --batl-highlight: #dc2626;
    --batl-highlight-soft: rgba(220, 38, 38, 0.7);
    --batl-lime: #00ff00;
    --batl-warm: #f2b168;
    --batl-border: rgba(24, 49, 59, 0.12);
    --batl-shadow: 0 24px 60px rgba(24, 49, 59, 0.12);
    --batl-radius-xl: 32px;
    --batl-radius-lg: 24px;
    --batl-radius-md: 18px;
    --batl-radius-sm: 14px;
    --batl-max: 1320px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.batl-body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-main, "IBM Plex Sans", system-ui, sans-serif);
    color: var(--batl-ink);
    background:
        radial-gradient(circle at top left, rgba(214, 237, 230, 0.94), transparent 26%),
        radial-gradient(circle at top right, rgba(248, 225, 195, 0.92), transparent 20%),
        linear-gradient(180deg, #fbf7f2 0%, #f2ece4 100%);
}

body.batl-body img {
    display: block;
    max-width: 100%;
    height: auto;
}

.batl-shell {
    max-width: var(--batl-max);
    margin: 0 auto;
    padding: 28px 22px 56px;
}

.batl-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(18px);
    background: rgba(255, 255, 255, 0.86);
    border-bottom: 1px solid rgba(24, 49, 59, 0.08);
}

.batl-nav {
    max-width: var(--batl-max);
    margin: 0 auto;
    padding: 15px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.batl-logo {
    color: var(--batl-accent-strong);
    text-decoration: none;
    font-size: 23px;
    font-weight: 800;
    letter-spacing: 0.03em;
}

.batl-nav-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.batl-nav-links a,
.batl-breadcrumb a {
    color: var(--batl-ink);
    text-decoration: none;
}

.batl-nav-links a:hover,
.batl-breadcrumb a:hover,
.batl-nav-links a:focus-within,
.batl-breadcrumb a:focus-within{
    color: var(--batl-accent-strong);
}

.batl-breadcrumb {
    margin-bottom: 18px;
    color: var(--batl-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.batl-panel,
.batl-card,
.batl-related-card,
.batl-faq-item {
    background: var(--batl-surface);
    border: 1px solid var(--batl-border);
    border-radius: var(--batl-radius-xl);
    box-shadow: var(--batl-shadow);
}

.batl-section {
    margin-top: 28px;
}

.batl-grid {
    display: grid;
    gap: 18px;
}

.batl-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
    gap: 26px;
    overflow: hidden;
}

.batl-hero-copy,
.batl-hero-media {
    padding: 34px;
}

.batl-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 999px;
    background: var(--batl-accent);
    color: #fff;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.batl-title {
    margin: 18px 0 14px;
    font-size: clamp(2.35rem, 4.4vw, 4.2rem);
    line-height: 1.02;
}

.batl-lead,
.batl-card p,
.batl-note p,
.batl-faq-answer,
.batl-related-card p,
.batl-detail-copy p,
.batl-detail-empty p {
    color: var(--batl-muted);
    line-height: 1.72;
}

.batl-hero-copy .batl-lead {
    margin: 0 0 18px;
    font-size: 1.06rem;
}

.batl-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.batl-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 15px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(24, 49, 59, 0.1);
    font-size: 0.94rem;
    font-weight: 600;
}

.batl-hero-media {
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at top right, rgba(227, 236, 255, 0.94), transparent 38%),
        radial-gradient(circle at bottom left, rgba(216, 239, 232, 0.94), transparent 34%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 244, 239, 0.92));
}

.batl-hero-image {
    width: min(100%, 640px);
    border-radius: 26px;
    box-shadow: 0 18px 48px rgba(24, 49, 59, 0.12);
    border: 1px solid rgba(24, 49, 59, 0.08);
}

.batl-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.batl-card {
    padding: 24px;
}

.batl-stat-value {
    display: block;
    margin-bottom: 10px;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1;
    color: var(--batl-accent-strong);
    font-weight: 800;
}

.batl-stat-label {
    color: var(--batl-muted);
    line-height: 1.6;
}

.batl-info-grid,
.batl-note-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.batl-section-title {
    margin: 0 0 12px;
    font-size: clamp(1.6rem, 2.3vw, 2.2rem);
    line-height: 1.14;
}

.batl-subtitle {
    margin: 0;
    color: var(--batl-muted);
    line-height: 1.68;
}

.batl-atlas {
    padding: 32px;
}

.batl-atlas-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 22px;
    margin-bottom: 22px;
}

.batl-atlas-head-copy {
    max-width: 720px;
}

.batl-atlas-toolbar {
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-width: 300px;
}

.batl-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 10px;
}

.batl-tab {
    border: 1px solid rgba(24, 49, 59, 0.12);
    background: rgba(255, 255, 255, 0.94);
    color: var(--batl-ink);
    padding: 12px 18px;
    border-radius: 999px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.batl-tab:hover,
.batl-tab:focus-visible,
.batl-tab:focus-within{
    transform: translateY(-1px);
    border-color: rgba(14, 148, 136, 0.4);
    outline: none;
}

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

.batl-toolbar-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.batl-link-btn--zoom {
    width: 100%;
}

.batl-ghost-btn,
.batl-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid rgba(24, 49, 59, 0.12);
    background: rgba(255, 255, 255, 0.94);
    color: var(--batl-ink);
    font: inherit;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.batl-ghost-btn:hover,
.batl-link-btn:hover,
.batl-ghost-btn:focus-visible,
.batl-link-btn:focus-visible,
.batl-ghost-btn:focus-within,
.batl-link-btn:focus-within{
    transform: translateY(-1px);
    border-color: rgba(14, 148, 136, 0.4);
    outline: none;
}

.batl-ghost-btn[disabled] {
    opacity: 0.45;
    cursor: default;
    transform: none;
}

.batl-atlas-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.28fr) minmax(320px, 0.72fr);
    gap: 18px;
    align-items: start;
}

.batl-stage-card {
    border: 1px solid rgba(24, 49, 59, 0.08);
    border-radius: 28px;
    padding: 18px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 244, 239, 0.98));
    min-width: 0;
}

.batl-stage-summary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
    margin-bottom: 16px;
}

.batl-stage-line {
    margin: 0;
    color: var(--batl-muted);
    line-height: 1.55;
}

.batl-stage-line--accent {
    color: var(--batl-accent-strong);
    font-weight: 700;
}

.batl-stage-frame {
    border-radius: 24px;
    border: 1px solid rgba(24, 49, 59, 0.08);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.75);
    padding: 18px;
}

.batl-stage-canvas {
    position: relative;
    width: 100%;
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    touch-action: pan-y;
}

.batl-stage-canvas.is-zoomed {
    cursor: grab;
    touch-action: none;
}

.batl-stage-canvas.is-panning {
    cursor: grabbing;
}

.batl-stage-canvas.is-zoomed .batl-hotspot {
    touch-action: none;
}

.batl-stage-panzoom {
    position: absolute;
    inset: 0;
    transform-origin: 0 0;
    will-change: transform;
}

.batl-stage-scrollbar {
    position: absolute;
    z-index: 5;
    pointer-events: none;
    opacity: 0;
    border-radius: 999px;
    background: rgba(24, 49, 59, 0.16);
    transition: opacity 0.18s ease;
}

.batl-stage-canvas.is-zoomed .batl-stage-scrollbar {
    opacity: 1;
}

.batl-stage-scrollbar-thumb {
    position: absolute;
    display: block;
    border-radius: inherit;
    background: rgba(0, 123, 255, 0.72);
}

.batl-stage-scrollbar--x {
    left: 12px;
    right: 12px;
    bottom: 10px;
    height: 5px;
}

.batl-stage-scrollbar--x .batl-stage-scrollbar-thumb {
    left: var(--batl-stage-scroll-x-pos, 0%);
    top: 0;
    width: var(--batl-stage-scroll-x-size, 100%);
    height: 100%;
}

.batl-stage-scrollbar--y {
    top: 12px;
    right: 10px;
    bottom: 12px;
    width: 5px;
}

.batl-stage-scrollbar--y .batl-stage-scrollbar-thumb {
    top: var(--batl-stage-scroll-y-pos, 0%);
    left: 0;
    width: 100%;
    height: var(--batl-stage-scroll-y-size, 100%);
}

.batl-stage-image {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    user-select: none;
    -webkit-user-drag: none;
}

.batl-hotspots {
    position: absolute;
    inset: 0;
}

.batl-hotspot {
    position: absolute;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    background: transparent;
    padding: 0;
    margin: 0;
    min-width: 0;
    min-height: 0;
    border-radius: 999px;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
    transition: transform 0.18s ease;
}

@media (hover: none), (pointer: coarse) {
    .batl-hotspot::before {
        content: "";
        position: absolute;
        left: 50%;
        top: 50%;
        width: 44px;
        height: 44px;
        transform: translate(-50%, -50%);
        border-radius: 999px;
        pointer-events: auto;
    }

    .batl-hotspot:hover:not(.is-active) .batl-hotspot-visual {
        background: transparent;
        box-shadow: none;
    }
}

.batl-hotspot:focus,
.batl-hotspot:focus-visible,
.batl-hotspot:active {
    outline: none;
    box-shadow: none;
}

.batl-hotspot-visual {
    position: absolute;
    left: var(--visual-left, 0%);
    top: var(--visual-top, 0%);
    width: var(--visual-width, 100%);
    height: var(--visual-height, 100%);
    border-radius: 999px;
    transition: box-shadow 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}

.batl-hotspot-dot {
    display: none;
}

.batl-hotspot:hover .batl-hotspot-visual,
.batl-hotspot:focus-visible .batl-hotspot-visual,
.batl-hotspot:focus-within .batl-hotspot-visual{
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.82), 0 0 0 5px rgba(220, 38, 38, 0.48);
    outline: none;
}

.batl-hotspot.is-active .batl-hotspot-visual {
    background: rgba(255, 255, 255, 0.14);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.92), 0 0 0 6px rgba(220, 38, 38, 0.78);
    z-index: 2;
}

.batl-detail-panel {
    position: sticky;
    top: 92px;
    min-width: 0;
    padding: 24px;
    max-height: calc(100svh - 116px);
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 123, 255, 0.55) rgba(24, 49, 59, 0.1);
}

.batl-detail-empty {
    min-height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
}

.batl-detail-empty h3,
.batl-detail-title {
    margin: 0;
    font-size: clamp(1.6rem, 2.1vw, 2.1rem);
    line-height: 1.12;
}

.batl-detail-empty-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(14, 148, 136, 0.12);
    color: var(--batl-accent-strong);
    font-size: 1.2rem;
}

.batl-detail-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(14, 148, 136, 0.1);
    color: var(--batl-accent-strong);
    font-size: 0.88rem;
    font-weight: 700;
}

.batl-detail-copy {
    display: grid;
    gap: 18px;
}

.batl-detail-head {
    display: grid;
    gap: 12px;
}

.batl-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.batl-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(24, 49, 59, 0.1);
    color: var(--batl-ink);
    font-size: 0.88rem;
    font-weight: 600;
}

.batl-detail-block {
    display: grid;
    gap: 8px;
}

.batl-detail-block h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.3;
}

.batl-detail-block p {
    margin: 0;
}

.batl-mobile-sheet {
    position: fixed;
    left: 14px;
    right: 14px;
    bottom: max(10px, env(safe-area-inset-bottom));
    z-index: 1200;
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr);
    padding: 0;
    border-radius: 24px;
    border: 1px solid rgba(24, 49, 59, 0.12);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 24px 60px rgba(24, 49, 59, 0.18);
    height: var(--batl-mobile-sheet-height, min(42svh, 380px));
    max-height: min(calc(100svh - 86px), 620px);
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(calc(100% + 24px));
    transition: transform 0.22s ease, opacity 0.18s ease, height 0.2s ease;
}

.batl-mobile-sheet[hidden] {
    display: none !important;
}

.batl-mobile-sheet.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.batl-mobile-sheet.is-dragging {
    transition: opacity 0.18s ease;
}

.batl-mobile-sheet[data-batl-sheet-state="collapsed"] {
    grid-template-rows: auto auto 0fr;
}

.batl-mobile-sheet[data-batl-sheet-state="collapsed"] .batl-mobile-sheet-body {
    overflow: hidden;
    padding-bottom: 0;
    opacity: 0;
    pointer-events: none;
}

.batl-mobile-sheet-handle {
    width: 52px;
    height: 5px;
    border-radius: 999px;
    background: rgba(24, 49, 59, 0.18);
    margin: 10px auto 8px;
    cursor: grab;
    touch-action: none;
}

.batl-mobile-sheet-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 16px 10px;
    background: rgba(255, 255, 255, 0.98);
    position: sticky;
    top: 0;
    z-index: 1;
    pointer-events: auto;
    cursor: grab;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

.batl-mobile-sheet.is-dragging .batl-mobile-sheet-handle,
.batl-mobile-sheet.is-dragging .batl-mobile-sheet-head {
    cursor: grabbing;
}

.batl-mobile-sheet-close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(24, 49, 59, 0.12);
    background: rgba(255, 255, 255, 0.94);
    color: var(--batl-ink);
    cursor: pointer;
    flex: 0 0 auto;
    position: relative;
    z-index: 2;
    pointer-events: auto;
    touch-action: manipulation;
}

.batl-mobile-sheet-body {
    min-height: 0;
    overflow: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 0 16px calc(18px + env(safe-area-inset-bottom));
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 123, 255, 0.55) rgba(24, 49, 59, 0.1);
}

.batl-detail-panel::-webkit-scrollbar,
.batl-mobile-sheet-body::-webkit-scrollbar {
    width: 8px;
}

.batl-detail-panel::-webkit-scrollbar-track,
.batl-mobile-sheet-body::-webkit-scrollbar-track {
    background: rgba(24, 49, 59, 0.08);
    border-radius: 999px;
}

.batl-detail-panel::-webkit-scrollbar-thumb,
.batl-mobile-sheet-body::-webkit-scrollbar-thumb {
    background: rgba(0, 123, 255, 0.55);
    border-radius: 999px;
}

.batl-mobile-sheet-body .batl-detail-copy {
    gap: 16px;
}

.batl-note h3,
.batl-faq-question,
.batl-related-card h3 {
    margin: 0 0 10px;
    line-height: 1.3;
}

.batl-faq {
    display: grid;
    gap: 16px;
}

.batl-faq-item {
    padding: 24px;
}

.batl-related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.batl-related-card {
    display: block;
    padding: 24px;
    color: inherit;
    text-decoration: none;
    transition: transform 0.18s ease, border-color 0.18s ease;
}

.batl-related-card:hover,
.batl-related-card:focus-visible,
.batl-related-card:focus-within{
    transform: translateY(-2px);
    border-color: rgba(14, 148, 136, 0.38);
    outline: none;
}

.batl-related-card small {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--batl-accent-strong);
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.batl-footer {
    padding: 32px 0 6px;
    color: var(--batl-muted);
    text-align: center;
}

.batl-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (max-width: 1180px) {
    .batl-hero {
        grid-template-columns: 1fr;
    }

    .batl-atlas-layout {
        grid-template-columns: 1fr;
    }

    .batl-detail-panel {
        position: static;
    }

    .batl-info-grid,
    .batl-note-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 960px) {
    .batl-shell {
        padding: 22px 14px 44px;
    }

    .batl-nav {
        padding: 13px 14px;
    }

    .batl-nav-links {
        display: none;
    }

    .batl-hero-copy,
    .batl-hero-media,
    .batl-atlas,
    .batl-card,
    .batl-faq-item,
    .batl-related-card {
        padding: 22px;
    }

    .batl-stats,
    .batl-info-grid,
    .batl-note-grid,
    .batl-related-grid {
        grid-template-columns: 1fr;
    }

    .batl-atlas-head {
        flex-direction: column;
        align-items: center;
    }

    .batl-atlas-toolbar {
        min-width: 0;
        width: 100%;
        align-items: center;
    }

    .batl-tabs,
    .batl-toolbar-actions {
        width: 100%;
        justify-content: center;
    }

    .batl-toolbar-actions {
        order: 1;
    }

    .batl-tabs {
        order: 2;
    }

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

    .batl-stage-card {
        padding: 14px;
    }

    .batl-stage-frame {
        padding: 12px;
    }

    .batl-stage-line {
        font-size: 0.94rem;
    }

    .batl-hotspot:hover .batl-hotspot-visual,
    .batl-hotspot:focus-visible .batl-hotspot-visual,
    .batl-hotspot:focus-within .batl-hotspot-visual{
        background: rgba(255, 255, 255, 0.08);
        box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.72), 0 0 0 2px rgba(220, 38, 38, 0.52);
    }

    .batl-hotspot.is-active .batl-hotspot-visual {
        background: rgba(255, 255, 255, 0.1);
        box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.82), 0 0 0 3px rgba(220, 38, 38, 0.74);
    }

    .batl-mobile-sheet {
        max-height: min(calc(100svh - 86px), 620px);
    }
}

@media (max-width: 640px) {
    .batl-title {
        font-size: 2.2rem;
    }

    .batl-eyebrow,
    .batl-pill,
    .batl-ghost-btn,
    .batl-link-btn,
    .batl-tab {
        font-size: 0.9rem;
    }

    .batl-toolbar-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, max-content));
        justify-content: center;
        align-items: center;
        order: 1;
    }

    .batl-link-btn--zoom {
        grid-column: 1 / -1;
        width: auto;
        min-width: min(100%, 280px);
        justify-self: center;
    }

    .batl-link-btn,
    .batl-ghost-btn,
    .batl-tab {
        width: auto;
        justify-self: center;
    }

    .batl-ghost-btn {
        min-width: 146px;
    }

    .batl-tabs {
        justify-content: center;
        order: 2;
    }

    .batl-mobile-sheet {
        left: 8px;
        right: 8px;
        bottom: max(8px, env(safe-area-inset-bottom));
        max-height: min(calc(100svh - 82px), 620px);
    }

    .batl-mobile-sheet-head {
        padding-inline: 14px;
    }

    .batl-mobile-sheet-body {
        padding-inline: 14px;
    }

    .batl-hotspot:hover .batl-hotspot-visual,
    .batl-hotspot:focus-visible .batl-hotspot-visual,
    .batl-hotspot.is-active .batl-hotspot-visual,
    .batl-hotspot:focus-within .batl-hotspot-visual{
        background: rgba(255, 255, 255, 0.08);
        box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.82), 0 0 0 2px rgba(220, 38, 38, 0.68);
    }
}

/* Standard blog article skin for the interactive atlas article. */
body.batl-body {
    font-family: var(--font-main, "IBM Plex Sans", system-ui, sans-serif);
    color: #333;
    background: #fff;
    line-height: 1.6;
}

body.batl-body img {
    display: block;
    max-width: 100%;
    height: auto;
}

.batl-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.batl-nav {
    max-width: 1200px;
    height: 80px;
    padding: 0 20px;
}

.batl-logo {
    color: #007bff;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0;
}

.batl-nav-links a,
.batl-breadcrumb a {
    color: #333;
    font-weight: 500;
}

.batl-nav-links a:hover,
.batl-breadcrumb a:hover,
.batl-nav-links a:focus-within,
.batl-breadcrumb a:focus-within{
    color: #007bff;
}

.batl-shell {
    max-width: 1200px;
    padding: 110px 20px 60px;
}

.batl-breadcrumb {
    margin: 0 0 24px;
    padding-bottom: 15px;
    color: #6b7280;
    font-size: 14px;
    border-bottom: 1px solid #eee;
}

.batl-panel,
.batl-card,
.batl-related-card,
.batl-faq-item,
.batl-stage-card,
.batl-stage-frame,
.batl-mobile-sheet {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: none;
}

.batl-section {
    margin-top: 34px;
}

.batl-hero {
    display: block;
    overflow: visible;
}

.batl-hero-copy,
.batl-hero-media,
.batl-atlas,
.batl-card,
.batl-faq-item,
.batl-related-card {
    padding: 24px;
}

.batl-hero-media {
    background: transparent;
    padding-top: 0;
}

.batl-hero-image {
    width: min(100%, 760px);
    margin: 0 auto;
    border: 0;
    border-radius: 8px;
    box-shadow: none;
}

.batl-title {
    margin: 20px 0 16px;
    color: #1f2937;
    font-size: 34px;
    line-height: 1.2;
}

.batl-section-title {
    color: #1f2937;
    font-size: 24px;
    line-height: 1.3;
}

.batl-lead,
.batl-card p,
.batl-note p,
.batl-faq-answer,
.batl-related-card p,
.batl-detail-copy p,
.batl-detail-empty p,
.batl-subtitle,
.batl-stage-line,
.batl-stat-label {
    color: #4b5563;
    line-height: 1.8;
}

.batl-eyebrow,
.batl-pill,
.batl-detail-kicker,
.batl-meta-pill,
.batl-tab,
.batl-ghost-btn,
.batl-link-btn {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: #f6fbf8;
    color: #064e3b;
    letter-spacing: 0;
    text-transform: none;
}

.batl-tab.is-active {
    background: #064e3b;
    color: #fff;
}

.batl-tab:hover,
.batl-tab:focus-visible,
.batl-ghost-btn:hover,
.batl-link-btn:hover,
.batl-ghost-btn:focus-visible,
.batl-link-btn:focus-visible,
.batl-related-card:hover,
.batl-related-card:focus-visible,
.batl-tab:focus-within,
.batl-ghost-btn:focus-within,
.batl-link-btn:focus-within,
.batl-related-card:focus-within{
    border-color: #007bff;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 123, 255, 0.1);
}

.batl-stat-value,
.batl-stage-line--accent,
.batl-detail-empty-icon,
.batl-related-card small {
    color: #007bff;
}

.batl-detail-empty-icon {
    background: #f0f7ff;
    border-radius: 8px;
}

.batl-stage-card,
.batl-stage-frame,
.batl-stage-canvas {
    background: #fff;
    border-radius: 8px;
}

.batl-stage-frame {
    padding: 18px;
}

.batl-atlas-head {
    align-items: flex-start;
}

.batl-atlas-toolbar {
    min-width: 280px;
}

.batl-detail-panel {
    top: 100px;
}

.batl-mobile-sheet-close,
.batl-mobile-sheet-handle {
    border-radius: 8px;
}

.batl-footer {
    margin-top: 80px;
    padding: 40px 20px;
    background: #f8f9fa;
    color: #333;
}

.batl-footer p {
    margin: 0;
}

@media (max-width: 960px) {
    .batl-shell {
        padding: 100px 16px 44px;
    }

    .batl-nav {
        padding: 0 16px;
    }

    .batl-hero-copy,
    .batl-hero-media,
    .batl-atlas,
    .batl-card,
    .batl-faq-item,
    .batl-related-card {
        padding: 20px;
    }

    .batl-atlas-head {
        align-items: stretch;
    }
}

@media (max-width: 640px) {
    .batl-title {
        font-size: 28px;
        line-height: 1.3;
    }

    .batl-section-title {
        font-size: 24px;
    }

    .batl-toolbar-actions {
        grid-template-columns: 1fr;
    }

    .batl-link-btn--zoom,
    .batl-link-btn,
    .batl-ghost-btn,
    .batl-tab {
        width: 100%;
        min-width: 0;
    }
}