.doc-page { padding: 40px 0 80px; }
.doc-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; align-items: start; }
.doc-toc { position: sticky; top: calc(var(--header-h) + 24px); max-height: calc(100vh - var(--header-h) - 48px); overflow-y: auto; padding-bottom: 8px; }
.doc-toc-title { font-size: 13px; font-weight: 600; color: var(--text-3); letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 10px; }
.doc-toc nav { display: flex; flex-direction: column; border-left: 1px solid var(--border); }
.doc-toc a { display: block; padding: 6px 0 6px 14px; margin-left: -1px; border-left: 2px solid transparent; color: var(--text-2); font-size: 14.5px; text-decoration: none; line-height: 1.4; }
.doc-toc a.is-code { font-family: var(--mono); font-size: 13.5px; }
.doc-toc a:hover { color: var(--text); }
.doc-toc a.is-on { color: var(--text); border-left-color: var(--navy); font-weight: 500; }
.doc-toc-mobile { display: none; margin: 0 0 28px; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.doc-toc-mobile summary { cursor: pointer; padding: 12px 16px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; }
.doc-toc-mobile summary::-webkit-details-marker { display: none; }
.doc-toc-mobile summary::after { content: '+'; color: var(--text-3); font-weight: 400; }
.doc-toc-mobile[open] summary::after { content: '\2212'; }
.doc-toc-mobile nav { display: flex; flex-direction: column; padding: 0 16px 12px; }
.doc-toc-mobile a { padding: 6px 0; color: var(--text-2); text-decoration: none; font-size: 15px; }
.doc-body { min-width: 0; max-width: 860px; }
.doc-crumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-3); margin-bottom: 14px; }
.doc-crumb a { color: var(--text-2); text-decoration: none; }
.doc-crumb a:hover { color: var(--text); text-decoration: underline; }
.doc-crumb .bi { font-size: 11px; }
.doc-body h1 { font-size: clamp(32px, 4vw, 44px); letter-spacing: -0.025em; line-height: 1.1; margin-bottom: 16px; }
.doc-lead { font-size: 18.5px; color: var(--text-2); line-height: 1.6; margin-bottom: 36px; }
.doc-body section { padding-top: 44px; margin-top: 4px; border-top: 1px solid var(--border); }
.doc-body section:first-of-type { border-top: 0; padding-top: 0; }
.doc-body h2 { font-size: clamp(24px, 2.6vw, 30px); letter-spacing: -0.02em; margin-bottom: 14px; }
.doc-body h2 code { font-family: var(--mono); font-size: 0.86em; font-weight: 500; background: none; border: 0; padding: 0; }
.doc-body h3 { font-size: 19px; margin: 32px 0 10px; }
.doc-body p { color: var(--text-2); margin-bottom: 16px; }
.doc-body p strong, .doc-body li strong { color: var(--text); font-weight: 600; }
.doc-body code { font-family: var(--mono); font-size: 0.88em; padding: 1px 6px; border-radius: 4px; background: var(--bg-alt); border: 1px solid var(--border); color: var(--text); }
.doc-body a code { text-decoration: none; }
.doc-wrap { display: inline-block; max-width: 100%; word-break: break-all; }
.doc-spec { margin: 4px 0 24px; border-top: 1px solid var(--border); }
.doc-spec > div { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.doc-spec dt { font-weight: 600; font-size: 15px; }
.doc-spec dd { color: var(--text-2); font-size: 15px; min-width: 0; }
.doc-table { width: 100%; border-collapse: collapse; margin: 4px 0 24px; font-size: 15px; }
.doc-table th, .doc-table td { text-align: left; vertical-align: top; padding: 11px 14px 11px 0; border-bottom: 1px solid var(--border); }
.doc-table th { font-size: 13px; font-weight: 600; color: var(--text-3); letter-spacing: 0.04em; text-transform: uppercase; border-bottom-color: var(--border-strong); }
.doc-table td { color: var(--text-2); }
.doc-table td:first-child { color: var(--text); font-weight: 500; white-space: normal; min-width: 120px; }
.doc-list { list-style: disc; padding-left: 22px; margin: 0 0 20px; color: var(--text-2); }
.doc-list li { margin-bottom: 8px; }
.doc-steps { list-style: none; counter-reset: docstep; margin: 0 0 20px; padding: 0; color: var(--text-2); }
.doc-steps li { position: relative; padding-left: 38px; margin-bottom: 12px; counter-increment: docstep; min-height: 26px; }
.doc-steps li::before { content: counter(docstep); position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--border-strong); font-size: 13px; font-weight: 600; color: var(--text); display: flex; align-items: center; justify-content: center; }
.doc-note { display: flex; gap: 12px; padding: 16px 18px; margin: 8px 0 24px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-alt); color: var(--text-2); font-size: 15px; }
.doc-note > i { color: var(--navy); font-size: 17px; flex-shrink: 0; margin-top: 2px; }
.doc-note b { color: var(--text); font-weight: 600; }
.doc-code { margin: 4px 0 20px; }
.doc-code-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 42px; padding: 0 8px 0 16px; border-bottom: 1px solid #1d2a40; color: #8a97ad; font-size: 13px; font-weight: 500; }
.doc-code-tabs { padding-left: 0; }
.doc-code-tabs .code-tabs { border-bottom: 0; flex: 1; min-width: 0; }
.doc-copy { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 10px; border: 1px solid #2a3a55; border-radius: 6px; background: transparent; color: #c9d2df; font-size: 12.5px; cursor: pointer; flex-shrink: 0; }
.doc-copy:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
.doc-copy.is-done { color: #fff; border-color: #6b7c99; }
.doc-code .code-pane { font-size: 13px; padding: 18px 20px; white-space: pre; }
.doc-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 4px 0 20px; }
.doc-pair .doc-code { margin: 0; }
.doc-kits { margin: 4px 0 24px; border-top: 1px solid var(--border); }
.doc-kits li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.doc-kits i { font-size: 18px; color: var(--navy); line-height: 1.4; }
.doc-kits h3 { font-size: 16px; margin: 0 0 2px; }
.doc-kits p { margin: 0; font-size: 15px; }
@media (max-width: 1080px) {
    .doc-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
    .doc-toc { display: none; }
    .doc-toc-mobile { display: block; }
}
@media (max-width: 760px) {
    .doc-pair { grid-template-columns: minmax(0, 1fr); }
    .doc-spec > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
    .doc-table { display: block; overflow-x: auto; }
    .doc-page { padding: 28px 0 60px; }
}