:root {
    color-scheme: light;
    --cbsc-ink: #17202a;
    --cbsc-muted: #566573;
    --cbsc-bg: #f5f7fb;
    --cbsc-panel: #ffffff;
    --cbsc-soft: #eef5ff;
    --cbsc-line: #d9e2ef;
    --cbsc-blue: #2367c8;
    --cbsc-blue-dark: #174e9d;
    --cbsc-warm: #fff7e7;
    --cbsc-warn: #9a5b00;
    --cbsc-danger: #a83232;
    --cbsc-ok: #1b7550;
    --cbsc-radius: 8px;
    --cbsc-shadow: 0 14px 35px rgba(23, 32, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body.chat-before-send-check-page {
    margin: 0;
    color: var(--cbsc-ink);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.75;
    background: var(--cbsc-bg);
    overflow-wrap: anywhere;
}

.cbsc-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 42px;
}

.cbsc-hero,
.cbsc-panel,
.cbsc-card,
.cbsc-related,
.cbsc-comments,
.cbsc-ad {
    background: var(--cbsc-panel);
    border: 1px solid var(--cbsc-line);
    border-radius: var(--cbsc-radius);
    box-shadow: var(--cbsc-shadow);
}

.cbsc-hero {
    padding: 30px;
}

.cbsc-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 14px;
    color: var(--cbsc-blue);
    font-weight: 700;
    text-decoration: none;
}

.cbsc-back::before {
    content: "←";
}

.cbsc-kicker {
    margin: 0 0 8px;
    color: var(--cbsc-blue);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.cbsc-hero h1,
.cbsc-panel h2,
.cbsc-card h2,
.cbsc-related h2 {
    margin: 0;
    line-height: 1.35;
}

.cbsc-hero h1 {
    font-size: clamp(1.75rem, 3vw, 2.55rem);
}

.cbsc-lead {
    max-width: 760px;
    margin: 16px 0 0;
    color: var(--cbsc-muted);
    font-size: 1.08rem;
}

.cbsc-notice {
    display: inline-block;
    margin: 18px 0 0;
    padding: 10px 14px;
    color: #234;
    background: var(--cbsc-soft);
    border: 1px solid #cce0ff;
    border-radius: var(--cbsc-radius);
    font-weight: 700;
}

.cbsc-policy {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

.cbsc-policy span {
    display: inline-flex;
    min-height: 32px;
    align-items: center;
    padding: 5px 10px;
    border: 1px solid var(--cbsc-line);
    border-radius: 999px;
    background: #fff;
    color: var(--cbsc-muted);
    font-size: 0.78rem;
    font-weight: 800;
}

.cbsc-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 18px;
    align-items: start;
}

.cbsc-panel,
.cbsc-card,
.cbsc-related,
.cbsc-comments {
    padding: 24px;
}

.cbsc-field,
.cbsc-fieldset {
    display: grid;
    gap: 8px;
    margin: 18px 0 0;
}

.cbsc-field span,
.cbsc-fieldset legend {
    color: var(--cbsc-ink);
    font-weight: 800;
}

.cbsc-field input,
.cbsc-field select,
.cbsc-field textarea {
    width: 100%;
    max-width: 100%;
    padding: 12px 13px;
    border: 1px solid #cbd6e4;
    border-radius: var(--cbsc-radius);
    background: #fff;
    color: var(--cbsc-ink);
    font: inherit;
}

.cbsc-field textarea {
    min-height: 230px;
    resize: vertical;
}

.cbsc-field input:focus,
.cbsc-field select:focus,
.cbsc-field textarea:focus {
    outline: 3px solid rgba(35, 103, 200, 0.18);
    border-color: var(--cbsc-blue);
}

.cbsc-field-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 220px);
    gap: 14px;
}

.cbsc-help,
.cbsc-status,
.cbsc-card p,
.cbsc-result-card p,
.cbsc-link-grid span,
.cbsc-comment-note {
    color: var(--cbsc-muted);
}

.cbsc-help {
    margin: 12px 0 0;
}

.cbsc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 18px 0 0;
}

.cbsc-actions button {
    min-height: 44px;
    padding: 10px 14px;
    border: 1px solid #c6d1df;
    border-radius: var(--cbsc-radius);
    background: #fff;
    color: var(--cbsc-ink);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.cbsc-actions button:hover,
.cbsc-actions button:focus-visible {
    border-color: var(--cbsc-blue);
    outline: 3px solid rgba(35, 103, 200, 0.16);
}

.cbsc-actions .cbsc-primary {
    border-color: var(--cbsc-blue);
    background: var(--cbsc-blue);
    color: #fff;
}

.cbsc-actions .cbsc-primary:hover,
.cbsc-actions .cbsc-primary:focus-visible {
    background: var(--cbsc-blue-dark);
}

.cbsc-actions button:disabled {
    cursor: not-allowed;
    opacity: 0.58;
}

.cbsc-status {
    min-height: 1.8em;
    margin: 12px 0 0;
    font-weight: 700;
}

.cbsc-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 18px 0;
}

.cbsc-summary div {
    display: grid;
    gap: 3px;
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--cbsc-line);
    border-radius: var(--cbsc-radius);
    background: #fbfcff;
}

.cbsc-summary span {
    color: var(--cbsc-muted);
    font-size: 0.82rem;
    font-weight: 800;
}

.cbsc-summary strong {
    font-size: 1.45rem;
}

.cbsc-result-list {
    display: grid;
    gap: 12px;
}

.cbsc-result-card {
    display: grid;
    gap: 7px;
    padding: 14px;
    border: 1px solid var(--cbsc-line);
    border-left: 5px solid #9fb4ce;
    border-radius: var(--cbsc-radius);
    background: #fff;
}

.cbsc-result-card h3,
.cbsc-result-card p {
    margin: 0;
}

.cbsc-result-card.is-critical {
    border-left-color: var(--cbsc-danger);
    background: #fff7f7;
}

.cbsc-result-card.is-warning {
    border-left-color: var(--cbsc-warn);
    background: var(--cbsc-warm);
}

.cbsc-result-card.is-memo {
    border-left-color: var(--cbsc-blue);
    background: #f5f9ff;
}

.cbsc-result-card.is-ok {
    border-left-color: var(--cbsc-ok);
    background: #f4fbf8;
}

.cbsc-badge {
    justify-self: start;
    padding: 2px 8px;
    border-radius: 999px;
    background: #e9eef6;
    color: var(--cbsc-muted);
    font-size: 0.78rem;
    font-weight: 800;
}

.is-critical .cbsc-badge {
    background: #ffe0e0;
    color: var(--cbsc-danger);
}

.is-warning .cbsc-badge {
    background: #ffe8bd;
    color: var(--cbsc-warn);
}

.is-memo .cbsc-badge {
    background: #e3f0ff;
    color: var(--cbsc-blue);
}

.is-ok .cbsc-badge {
    background: #dff5eb;
    color: var(--cbsc-ok);
}

.cbsc-ad {
    margin: 18px 0;
    padding: 14px;
}

.cbsc-ad-label {
    margin-bottom: 8px;
    color: var(--cbsc-muted);
    font-size: 0.72rem;
    font-weight: 800;
}

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

.cbsc-card ul {
    margin: 10px 0 0;
    padding-left: 1.2em;
}

.cbsc-related,
.cbsc-comments {
    margin-top: 18px;
}

.cbsc-link-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 14px;
}

.cbsc-link-grid a {
    display: grid;
    gap: 4px;
    min-width: 0;
    padding: 13px;
    border: 1px solid var(--cbsc-line);
    border-radius: var(--cbsc-radius);
    color: var(--cbsc-ink);
    background: #fbfcff;
    text-decoration: none;
}

.cbsc-link-grid a:hover,
.cbsc-link-grid a:focus-visible {
    border-color: var(--cbsc-blue);
    outline: 3px solid rgba(35, 103, 200, 0.14);
}

.cbsc-comment-note {
    margin-top: 0;
    font-weight: 700;
}

.cbsc-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: space-between;
    margin-top: 24px;
    color: var(--cbsc-muted);
    font-size: 0.92rem;
}

.cbsc-footer a {
    color: var(--cbsc-blue);
    font-weight: 800;
}

@media (max-width: 820px) {
    .cbsc-workspace,
    .cbsc-info-grid,
    .cbsc-link-grid {
        grid-template-columns: 1fr;
    }

    .cbsc-field-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .cbsc-shell {
        width: min(100% - 20px, 1120px);
        padding-top: 16px;
    }

    .cbsc-hero,
    .cbsc-panel,
    .cbsc-card,
    .cbsc-related,
    .cbsc-comments {
        padding: 18px;
    }

    .cbsc-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cbsc-actions button {
        width: 100%;
    }
}