:root {
    color-scheme: dark;
    --ba-color-white: #ffffff;
    --ba-color-black: #111111;
    --ba-color-button-blue: #1d3d91;
    --ba-color-neutral-50: #f8f9fb;
    --ba-color-neutral-100: #f1f3f7;
    --ba-color-neutral-200: #e2e7ef;
    --ba-color-neutral-300: #cbd3e1;
    --ba-color-neutral-400: #98a3b8;
    --ba-color-neutral-500: #667085;
    --ba-color-neutral-600: #475467;
    --ba-color-neutral-700: #344054;
    --ba-color-neutral-800: #1d2939;
    --ba-color-neutral-900: #101828;
    --ba-color-brand-50: #eef3ff;
    --ba-color-brand-100: #dce7ff;
    --ba-color-brand-200: #b8ccff;
    --ba-color-brand-300: #8eacff;
    --ba-color-brand-400: #5d82f2;
    --ba-color-brand-500: #1d3d91;
    --ba-color-brand-600: #17347c;
    --ba-color-brand-700: #122b66;
    --ba-color-brand-800: #0e2250;
    --ba-color-brand-900: #09173a;
    --ba-color-brand-950: #050d24;
    --ba-color-success-50: #ecfdf3;
    --ba-color-success-200: #abefc6;
    --ba-color-success-500: #067647;
    --ba-color-warning-50: #fff7ed;
    --ba-color-warning-200: #fed7aa;
    --ba-color-warning-500: #b54708;
    --ba-color-error-50: #fef3f2;
    --ba-color-error-200: #fecdca;
    --ba-color-error-500: #b42318;
    --ba-font-family-sans: "Rubik", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --ba-font-family-display: "Oswald", var(--ba-font-family-sans);
    --ba-font-family-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    --ba-font-family: var(--ba-font-family-sans);
    --ba-text-xs: 0.75rem;
    --ba-text-sm: 0.875rem;
    --ba-text-base: 1rem;
    --ba-text-lg: 1.125rem;
    --ba-text-xl: 1.25rem;
    --ba-text-2xl: 1.5rem;
    --ba-text-4xl: 2.25rem;
    --ba-text-5xl: 3rem;
    --ba-text-6xl: 3.75rem;
    --ba-leading-tight: 1.1;
    --ba-leading-snug: 1.2;
    --ba-leading-normal: 1.5;
    --ba-leading-relaxed: 1.65;
    --ba-radius-sm: 0.375rem;
    --ba-radius-md: 0.5rem;
    --ba-surface-page: var(--ba-color-brand-950);
    --ba-surface-card: color-mix(in srgb, var(--ba-color-brand-900) 72%, var(--ba-color-neutral-900));
    --ba-surface-muted: color-mix(in srgb, var(--ba-color-brand-800) 54%, var(--ba-color-neutral-900));
    --ba-text-primary: var(--ba-color-neutral-50);
    --ba-text-muted: var(--ba-color-neutral-300);
    --ba-text-soft: var(--ba-color-neutral-400);
    --ba-action-primary: var(--ba-color-brand-500);
    --ba-action-primary-hover: var(--ba-color-brand-400);
    --ba-action-primary-active: var(--ba-color-brand-700);
    --ba-action-primary-text: var(--ba-color-white);
    --ba-accent: #22d3ee;
    --ba-border-default: color-mix(in srgb, var(--ba-color-brand-300) 20%, transparent);
    --ba-focus-ring: color-mix(in srgb, var(--ba-accent) 42%, transparent);
    --ba-status-warning: var(--ba-color-warning-500);
    --ba-status-warning-bg: color-mix(in srgb, var(--ba-color-warning-500) 18%, var(--ba-surface-card));
    --ba-status-warning-border: color-mix(in srgb, var(--ba-color-warning-500) 56%, transparent);
    --ba-shadow-card: 0 24px 70px rgb(0 0 0 / 38%), inset 0 0 0 1px rgb(255 255 255 / 4%);
    --ba-shadow-glow: 0 18px 56px color-mix(in srgb, var(--ba-action-primary) 24%, transparent);
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--ba-surface-page);
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ba-text-primary);
    font-family: var(--ba-font-family);
    font-size: var(--ba-text-base);
    line-height: var(--ba-leading-normal);
    letter-spacing: 0;
    background:
        radial-gradient(1100px 540px at 10% 0%, color-mix(in srgb, var(--ba-action-primary) 26%, transparent), transparent 60%),
        radial-gradient(900px 480px at 92% 10%, color-mix(in srgb, var(--ba-accent) 18%, transparent), transparent 62%),
        linear-gradient(180deg, #060b1d 0%, var(--ba-surface-page) 52%, #050914 100%);
}

a {
    color: inherit;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.22em;
}

a:focus-visible {
    border-radius: var(--ba-radius-sm);
    outline: 3px solid var(--ba-focus-ring);
    outline-offset: 3px;
}

header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgb(255 255 255 / 7%);
    background: linear-gradient(180deg, rgb(5 9 20 / 92%), rgb(5 9 20 / 68%) 70%, transparent);
    backdrop-filter: blur(10px);
}

.wrap {
    width: min(1120px, calc(100% - 48px));
    margin: 0 auto;
}

.bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 0;
}

.header-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    flex: 0 0 auto;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    color: var(--ba-text-primary);
    text-decoration: none;
}

.logo img {
    display: block;
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    object-fit: contain;
}

.logo strong {
    display: block;
    font-family: var(--ba-font-family-display);
    font-size: var(--ba-text-2xl);
    font-weight: 500;
    line-height: 1;
}

.logo small {
    display: block;
    color: var(--ba-text-muted);
    font-size: var(--ba-text-xs);
    font-weight: 700;
    line-height: var(--ba-leading-snug);
}

.app-entry {
    min-height: calc(100vh - 140px);
}

.entry-hero {
    padding: 78px 0 56px;
}

.entry-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(330px, 0.98fr);
    gap: 38px;
    align-items: center;
}

.entry-copy {
    min-width: 0;
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--ba-accent);
    font-family: var(--ba-font-family-mono);
    font-size: var(--ba-text-xs);
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    max-width: 780px;
    margin-bottom: 22px;
    color: var(--ba-text-primary);
    font-family: var(--ba-font-family-display);
    font-size: var(--ba-text-6xl);
    font-weight: 700;
    line-height: var(--ba-leading-tight);
    letter-spacing: 0;
}

.lead {
    max-width: 660px;
    margin-bottom: 28px;
    color: var(--ba-text-muted);
    font-size: var(--ba-text-xl);
    line-height: var(--ba-leading-snug);
}

.entry-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.entry-actions p {
    max-width: 390px;
    margin: 0;
    color: var(--ba-text-soft);
    font-size: var(--ba-text-sm);
    font-weight: 650;
}

.entry-actions a:not(.primary-action) {
    color: var(--ba-accent);
}

.primary-action,
.notice-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border: 0;
    border-radius: 12px;
    color: var(--ba-action-primary-text);
    background: linear-gradient(135deg, var(--ba-action-primary), var(--ba-accent));
    box-shadow: var(--ba-shadow-glow);
    font-weight: 850;
    text-decoration: none;
}

.header-login {
    min-height: 44px;
    padding: 0 18px;
}

.primary-action:hover,
.notice-link:hover {
    transform: translateY(-1px);
}

.primary-action:active,
.notice-link:active {
    transform: translateY(0);
}

.access-notice {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    width: 100%;
    margin: 0 0 30px;
    padding: 18px;
    border: 1px solid var(--ba-status-warning-border);
    border-left: 10px solid var(--ba-status-warning);
    border-radius: 14px;
    color: var(--ba-text-primary);
    background: var(--ba-status-warning-bg);
    box-shadow: var(--ba-shadow-card);
}

.access-notice__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    color: #1f1300;
    background: var(--ba-status-warning);
    font-size: var(--ba-text-2xl);
    font-weight: 900;
}

.access-notice strong {
    display: block;
    margin-bottom: 4px;
    font-size: var(--ba-text-lg);
}

.access-notice p {
    margin: 0;
    color: var(--ba-text-muted);
}

.notice-link {
    min-height: 44px;
    color: #061020;
    background: linear-gradient(135deg, var(--ba-color-warning-500), #fcd34d);
    box-shadow: 0 16px 34px color-mix(in srgb, var(--ba-color-warning-500) 24%, transparent);
    white-space: nowrap;
}

.operation-panel {
    min-width: 0;
}

.mock-window {
    position: relative;
    overflow: hidden;
    min-height: 380px;
    padding: 18px;
    border: 1px solid var(--ba-border-default);
    border-radius: 16px;
    background:
        radial-gradient(760px 320px at 4% 0%, color-mix(in srgb, var(--ba-accent) 12%, transparent), transparent 52%),
        linear-gradient(180deg, rgb(15 23 42 / 88%), rgb(8 16 36 / 92%));
    box-shadow: var(--ba-shadow-card);
}

.mock-window::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgb(255 255 255 / 6%) 0, transparent 20% 80%, rgb(255 255 255 / 4%) 100%);
    pointer-events: none;
}

.mock-window__bar {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: -2px -2px 18px;
    padding: 0 0 14px;
    border-bottom: 1px solid rgb(255 255 255 / 8%);
    color: var(--ba-text-soft);
    font-family: var(--ba-font-family-mono);
    font-size: var(--ba-text-xs);
}

.mock-window__bar span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgb(148 163 184 / 54%);
}

.mock-window__bar span:first-child {
    background: var(--ba-accent);
}

.mock-window__bar strong {
    margin-left: 8px;
    font-weight: 700;
}

.mock-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.mock-stats div {
    min-width: 0;
    padding: 14px;
    border: 1px solid rgb(148 163 184 / 12%);
    border-radius: 12px;
    background: rgb(12 20 40 / 84%);
}

.mock-stats span,
.mock-stats strong {
    display: block;
}

.mock-stats span {
    color: var(--ba-text-soft);
    font-size: var(--ba-text-xs);
    font-weight: 700;
}

.mock-stats strong {
    margin-top: 4px;
    color: var(--ba-text-primary);
    font-size: var(--ba-text-sm);
}

.mock-table {
    display: grid;
    border: 1px solid rgb(148 163 184 / 12%);
    border-radius: 12px;
    overflow: hidden;
    font-size: var(--ba-text-sm);
}

.mock-row {
    display: grid;
    grid-template-columns: minmax(8rem, 1.45fr) minmax(5rem, 0.9fr) minmax(3.5rem, 0.6fr) minmax(6rem, 0.95fr);
    min-width: 480px;
}

.mock-row span {
    min-width: 0;
    padding: 12px;
    border-bottom: 1px solid rgb(148 163 184 / 9%);
    color: var(--ba-text-muted);
    white-space: nowrap;
}

.mock-row--head span {
    color: var(--ba-text-primary);
    background: rgb(12 21 41 / 92%);
    font-weight: 800;
}

.mock-row:last-child span {
    border-bottom: 0;
}

.mock-row span:first-child {
    color: var(--ba-text-primary);
    font-weight: 750;
}

.mock-row i {
    display: inline-block;
    width: 9px;
    height: 9px;
    margin-right: 8px;
    border-radius: 50%;
    background: var(--ba-accent);
    box-shadow: 0 0 18px var(--ba-accent);
}

.entry-summary {
    padding: 38px 0 76px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.summary-grid article {
    min-width: 0;
    padding: 22px;
    border: 1px solid rgb(148 163 184 / 12%);
    border-radius: 14px;
    background: rgb(12 20 40 / 78%);
    box-shadow: inset 0 0 0 1px rgb(255 255 255 / 3%);
}

.summary-grid span {
    display: block;
    margin-bottom: 18px;
    color: var(--ba-accent);
    font-family: var(--ba-font-family-mono);
    font-size: var(--ba-text-xs);
    font-weight: 900;
}

.summary-grid h2 {
    margin-bottom: 10px;
    color: var(--ba-text-primary);
    font-size: var(--ba-text-lg);
}

.summary-grid p {
    margin: 0;
    color: var(--ba-text-muted);
}

footer {
    padding: 28px 0 34px;
    color: var(--ba-text-soft);
    border-top: 1px solid rgb(255 255 255 / 7%);
    background: rgb(5 9 20 / 58%);
}

.foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.foot strong,
.foot span {
    display: block;
}

.foot strong {
    color: var(--ba-text-primary);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--ba-accent);
    font-weight: 800;
}

@media (prefers-color-scheme: light) {
    :root {
        color-scheme: light;
    }
}

@media (max-width: 900px) {
    .entry-grid,
    .summary-grid {
        grid-template-columns: 1fr;
    }

    .operation-panel {
        max-width: 680px;
    }

    h1 {
        font-size: var(--ba-text-5xl);
    }
}

@media (max-width: 680px) {
    .wrap {
        width: min(100% - 28px, 1120px);
    }

    .entry-hero {
        padding: 34px 0 42px;
    }

    .logo img {
        width: 40px;
        height: 40px;
    }

    .logo strong {
        font-size: var(--ba-text-xl);
    }

    h1 {
        font-size: var(--ba-text-4xl);
    }

    .lead {
        font-size: var(--ba-text-lg);
        line-height: var(--ba-leading-normal);
    }

    .entry-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .primary-action,
    .notice-link {
        width: 100%;
    }

    .header-login {
        width: auto;
        min-height: 42px;
        padding: 0 14px;
    }

    .access-notice {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 16px;
        border-left-width: 1px;
    }

    .mock-window {
        min-height: 0;
        padding: 14px;
    }

    .mock-stats {
        grid-template-columns: 1fr;
    }

    .mock-table {
        overflow-x: auto;
    }

    .foot {
        align-items: flex-start;
        flex-direction: column;
    }
}