.mcp-page {
    --mcp-blue: #22338a;
    --mcp-blue-dark: #172261;
    --mcp-blue-soft: #eef2ff;
    --mcp-border: #d8deef;
    --mcp-text: #1d2433;
    --mcp-muted: #5d6678;
    --mcp-good: #145c35;
    --mcp-warn: #7a4b00;
    --mcp-bg: #ffffff;
    color: var(--mcp-text);
    max-width: 1180px;
    margin: 0 auto;
    padding: 1rem;
}

.mcp-page a {
    color: var(--mcp-blue);
    text-decoration-thickness: .08em;
    text-underline-offset: .18em;
}

.mcp-breadcrumb {
    font-size: .92rem;
    margin: .5rem 0 1.25rem;
}

.mcp-hero {
    background: linear-gradient(135deg, #f6f8ff 0%, #ffffff 55%, #eef7fb 100%);
    border: 1px solid var(--mcp-border);
    border-radius: 1rem;
    padding: clamp(1.25rem, 3vw, 2.5rem);
    box-shadow: 0 12px 35px rgba(20, 30, 80, .08);
}

.mcp-kicker {
    color: var(--mcp-blue);
    font-weight: 700;
    letter-spacing: .05em;
    margin: 0 0 .4rem;
    text-transform: uppercase;
}

.mcp-hero h1 {
    font-size: clamp(2rem, 5vw, 3.75rem);
    line-height: 1.04;
    margin: 0 0 .75rem;
}

.mcp-lede {
    font-size: clamp(1.05rem, 2.2vw, 1.35rem);
    max-width: 830px;
}

.mcp-disclaimer,
.mcp-loading {
    background: #fff9e7;
    border: 1px solid #f1d99c;
    border-radius: .75rem;
    color: #3e2b00;
    margin-top: 1rem;
    padding: 1rem;
}

.mcp-static-intro,
.mcp-static-section,
.mcp-training-links,
.mcp-tool-shell {
    margin-top: 1.5rem;
}

.mcp-static-intro,
.mcp-static-section,
.mcp-training-links {
    background: var(--mcp-bg);
    border: 1px solid var(--mcp-border);
    border-radius: 1rem;
    padding: clamp(1rem, 2.5vw, 1.75rem);
}

.mcp-tool-shell {
    background: #fff;
    border: 1px solid var(--mcp-border);
    border-radius: 1rem;
    box-shadow: 0 12px 35px rgba(20, 30, 80, .07);
    overflow: hidden;
}

.mcp-tool-header,
.mcp-practice-header {
    align-items: center;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
}

.mcp-tool-header {
    background: var(--mcp-blue-soft);
    border-bottom: 1px solid var(--mcp-border);
    padding: 1rem 1.25rem;
}

.mcp-tool-header h2,
.mcp-tool-header p,
.mcp-practice-header h3,
.mcp-practice-header p {
    margin-bottom: .25rem;
    margin-top: 0;
}

.mcp-tabs {
    background: #f8faff;
    border-bottom: 1px solid var(--mcp-border);
    display: flex;
    gap: .35rem;
    overflow-x: auto;
    padding: .75rem;
}

.mcp-tabs button,
.mcp-button-row button,
.mcp-print-button,
.mcp-practice-header button,
.mcp-result-card button,
.mcp-chapter-card button,
.mcp-choice-button {
    border-radius: .55rem;
    border: 1px solid var(--mcp-blue);
    cursor: pointer;
    font-weight: 700;
    padding: .65rem .85rem;
}

.mcp-tabs button {
    background: #fff;
    color: var(--mcp-blue);
    white-space: nowrap;
}

.mcp-tabs button[aria-selected="true"],
.mcp-button-row button:first-child,
.mcp-print-button,
.mcp-result-card button,
.mcp-chapter-card button {
    background: var(--mcp-blue);
    color: #fff;
}

.mcp-tabs button:focus-visible,
.mcp-button-row button:focus-visible,
.mcp-choice-button:focus-visible,
.mcp-result-card button:focus-visible,
.mcp-chapter-card button:focus-visible,
.mcp-print-button:focus-visible,
.mcp-page input:focus-visible,
.mcp-page select:focus-visible {
    outline: 3px solid #ffbf47;
    outline-offset: 2px;
}

.mcp-panel {
    padding: clamp(1rem, 2.5vw, 1.5rem);
}

.mcp-hidden {
    display: none !important;
}

.mcp-panel-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
}

.mcp-page label {
    display: block;
    font-weight: 700;
    margin-bottom: .35rem;
}

#mcp-search-input,
.mcp-page select {
    border: 1px solid var(--mcp-border);
    border-radius: .6rem;
    font-size: 1rem;
    padding: .75rem;
    width: 100%;
}

.mcp-filter-row {
    align-items: end;
    display: grid;
    gap: .5rem;
    grid-template-columns: auto minmax(140px, 1fr) auto minmax(160px, 1fr);
    margin-top: .75rem;
}

.mcp-small-note {
    color: var(--mcp-muted);
    font-size: .92rem;
}

.mcp-results {
    display: grid;
    gap: .75rem;
    margin-top: 1rem;
}

.mcp-result-card,
.mcp-detail-card,
.mcp-chapter-card,
.mcp-flashcard,
.mcp-scenario-card,
.mcp-glossary-item {
    border: 1px solid var(--mcp-border);
    border-radius: .85rem;
    padding: 1rem;
}

.mcp-result-card {
    align-items: start;
    display: grid;
    gap: .5rem;
    grid-template-columns: 1fr auto;
}

.mcp-result-card h4,
.mcp-result-card p,
.mcp-detail-card h3,
.mcp-detail-card h4,
.mcp-detail-card p {
    margin-bottom: .35rem;
    margin-top: 0;
}

.mcp-code {
    background: #edf1ff;
    border-radius: .45rem;
    color: var(--mcp-blue-dark);
    display: inline-block;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-weight: 800;
    letter-spacing: .02em;
    padding: .2rem .45rem;
}

.mcp-tag {
    background: #eef7fb;
    border-radius: 999px;
    color: #174557;
    display: inline-block;
    font-size: .82rem;
    font-weight: 700;
    margin: .12rem .12rem .12rem 0;
    padding: .18rem .5rem;
}

.mcp-detail-section {
    border-top: 1px solid var(--mcp-border);
    margin-top: .75rem;
    padding-top: .75rem;
}

.mcp-detail-section ul {
    margin-bottom: 0;
    padding-left: 1.25rem;
}

.mcp-card-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.mcp-chapter-card h4,
.mcp-chapter-card p {
    margin-bottom: .5rem;
    margin-top: 0;
}

.mcp-flashcard {
    align-items: center;
    background: linear-gradient(135deg, #fff 0%, #f8faff 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-top: 1rem;
    min-height: 220px;
    text-align: center;
}

.mcp-card-label {
    color: var(--mcp-muted);
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

#mcp-flashcard-front {
    font-size: clamp(1.4rem, 4vw, 2.4rem);
    font-weight: 800;
    margin: 1rem 0 .5rem;
}

#mcp-flashcard-back {
    font-size: 1.1rem;
    max-width: 760px;
}

.mcp-button-row {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin-top: .85rem;
}

.mcp-button-row button {
    background: #fff;
    color: var(--mcp-blue);
}

.mcp-scenario-card {
    background: #fbfcff;
    margin-top: 1rem;
}

.mcp-choice-list {
    display: grid;
    gap: .55rem;
    margin-top: .75rem;
}

.mcp-choice-button {
    background: #fff;
    color: var(--mcp-text);
    text-align: left;
}

.mcp-choice-button[aria-pressed="true"] {
    background: var(--mcp-blue-soft);
    border-color: var(--mcp-blue-dark);
}

.mcp-answer-box {
    background: #effbf4;
    border: 1px solid #bde2cc;
    border-radius: .75rem;
    margin-top: .85rem;
    padding: .85rem;
}

.mcp-warning-box {
    background: #fff9e7;
    border: 1px solid #f1d99c;
    border-radius: .75rem;
    margin-top: .85rem;
    padding: .85rem;
}

.mcp-glossary {
    display: grid;
    gap: .75rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.mcp-glossary-item dt {
    color: var(--mcp-blue-dark);
    font-weight: 800;
}

.mcp-glossary-item dd {
    margin: .25rem 0 0;
}

.mcp-training-links ul {
    column-gap: 2rem;
    columns: 2 260px;
}

.mcp-loading.mcp-loaded {
    background: #effbf4;
    border-color: #bde2cc;
    color: var(--mcp-good);
}

.mcp-loading.mcp-error {
    background: #fff0f0;
    border-color: #f1b3b3;
    color: #7a1010;
}

@media (max-width: 860px) {
    .mcp-panel-grid,
    .mcp-filter-row {
        grid-template-columns: 1fr;
    }

    .mcp-result-card {
        grid-template-columns: 1fr;
    }

    .mcp-tool-header,
    .mcp-practice-header {
        align-items: stretch;
        flex-direction: column;
    }
}

@media print {
    .mcp-tabs,
    .mcp-button-row,
    .mcp-print-button,
    .mcp-result-card button,
    .mcp-chapter-card button,
    #mcp-search-input,
    .mcp-filter-row {
        display: none !important;
    }

    .mcp-hidden {
        display: block !important;
    }

    .mcp-page {
        max-width: none;
        padding: 0;
    }

    .mcp-tool-shell,
    .mcp-hero,
    .mcp-static-section,
    .mcp-training-links,
    .mcp-static-intro {
        box-shadow: none;
        break-inside: avoid;
    }
}

.mcp-inline-button {
    background: transparent;
    border: 0;
    color: var(--mcp-blue);
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    padding: .1rem .2rem;
    text-decoration: underline;
    text-underline-offset: .18em;
}