/* ── page shell ─────────────────────────────────────────── */
.integrate-page{width:100%;padding:40px clamp(18px,2.4vw,36px) 60px}
.integrate-kicker{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--deep);margin-bottom:8px}
.section-stack{display:grid;gap:24px}
.section-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:22px}
.section-head{margin-bottom:18px}
.section-head h2{font-size:24px;color:var(--slate);margin-bottom:6px}
.section-head p{max-width:760px;font-size:14px;line-height:1.7;color:var(--deep)}

/* ── platform picker ─────────────────────────────────────── */
.picker-wrap{display:grid;grid-template-columns:272px 1fr;min-height:600px;border:1px solid var(--border);border-radius:14px;overflow:hidden}
.picker-sidebar{border-right:1px solid var(--border);background:#FAFCFA;display:flex;flex-direction:column}
.picker-filter-bar{padding:18px 14px 14px;border-bottom:1px solid var(--border)}
.picker-filter-title{font-size:11px;font-weight:700;color:var(--deep);margin-bottom:10px;text-transform:uppercase;letter-spacing:.06em}
.filter-chips{display:flex;flex-wrap:wrap;gap:5px}
.filter-chip{font-size:10px;font-weight:700;padding:3px 10px;border-radius:99px;border:1.5px solid var(--border);background:transparent;color:var(--slate);cursor:pointer;letter-spacing:.04em;text-transform:uppercase;transition:background .15s,color .15s,border-color .15s}
.filter-chip.is-active{background:var(--deep);color:#fff;border-color:var(--deep)}
.picker-list{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:2px}
.picker-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:10px;background:transparent;border:none;cursor:pointer;text-align:left;transition:background .15s}
.picker-item:hover{background:rgba(82,121,111,.07)}
.picker-item.is-active{background:#1f3138}
.picker-item-logo{width:28px;height:28px;object-fit:contain;flex-shrink:0;border-radius:5px}
.picker-item.is-active .picker-item-logo{filter:brightness(0) invert(1)}
.picker-item-name{font-size:13px;font-weight:600;color:var(--deep);line-height:1.2}
.picker-item.is-active .picker-item-name{color:#e9f4f0}
.picker-item-method{font-size:10px;color:var(--deep);margin-top:1px;opacity:.55}
.picker-item.is-active .picker-item-method{color:rgba(233,244,240,.5);opacity:1}

/* ── picker detail panel ─────────────────────────────────── */
.picker-detail{padding:30px 34px;display:flex;flex-direction:column;gap:20px;overflow-y:auto}
.pdetail-head{display:flex;align-items:flex-start;gap:16px}
.pdetail-logo-box{width:52px;height:52px;border-radius:12px;background:#1f3138;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pdetail-logo-img{width:30px;height:30px;object-fit:contain;filter:brightness(0) invert(1)}
.pdetail-name{font-size:21px;font-weight:800;color:var(--slate);line-height:1.1;margin-bottom:3px}
.pdetail-vendor{font-size:12px;color:var(--deep);opacity:.6;margin-bottom:6px}
.pdetail-badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:10px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#fff}
.pdetail-tagline{font-size:13.5px;color:var(--deep);line-height:1.65;margin:0}
.pdetail-sec-label{font-size:10px;font-weight:800;color:var(--deep);opacity:.45;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.pdetail-steps{list-style:none;display:flex;flex-direction:column;gap:10px;margin:0;padding:0}
.pdetail-step{display:flex;gap:12px;align-items:flex-start;font-size:13.5px;line-height:1.6;color:var(--deep)}
.pdetail-step-n{width:22px;height:22px;border-radius:50%;background:rgba(82,121,111,.12);color:var(--slate);font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.pdetail-step code{background:rgba(82,121,111,.1);padding:1px 5px;border-radius:4px;font-size:.88em;font-family:var(--font-mono,monospace)}
.pdetail-step em{font-style:italic;color:var(--slate)}
.pdetail-code{background:#1f3138;border-radius:12px;padding:18px 20px;font-family:var(--font-mono,monospace);font-size:12.5px;line-height:1.6;color:#e9f4f0;overflow-x:auto;white-space:pre;margin:0}

/* ── examples ────────────────────────────────────────────── */
.example-shell{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:20px;align-items:start}
.example-main,.example-side{display:grid;gap:14px}
.example-toggle{display:inline-flex;align-items:center;gap:6px;padding:5px;border-radius:999px;background:rgba(82,121,111,.08);border:1px solid rgba(82,121,111,.14);width:max-content}
.example-tab{appearance:none;border:0;background:transparent;color:var(--deep);font:inherit;font-size:11px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;padding:8px 14px;border-radius:999px;cursor:pointer;transition:background .18s,color .18s,box-shadow .18s}
.example-tab.is-active{background:var(--deep);color:#f7fbf7;box-shadow:0 8px 20px rgba(22,48,53,.16)}
.code-frame{background:linear-gradient(180deg,#1f3138 0%,#223740 100%);border:1px solid rgba(196,221,212,.12);border-radius:18px;box-shadow:0 22px 50px rgba(16,33,39,.22);overflow:hidden}
.code-frame-head{display:flex;align-items:center;padding:9px 14px;border-bottom:1px solid rgba(196,221,212,.08);background:rgba(12,23,29,.24)}
.code-dots{display:flex;gap:6px}
.code-dot{width:9px;height:9px;border-radius:999px}
.code-dot:nth-child(1){background:#f5a524}
.code-dot:nth-child(2){background:#8fd0a8}
.code-dot:nth-child(3){background:#6ca8a0}
.code-pane{display:none}
.code-pane.is-active{display:block}
.code-frame pre{margin:0;max-height:440px;overflow:auto;padding:14px 16px 16px}
.code-frame code{display:block;font-family:var(--font-mono);font-size:12.5px;line-height:1.45;color:#e9f4f0;white-space:pre;tab-size:2}
.example-files{display:none}
.example-files.is-active{display:grid}
.callout{padding:14px 16px;border-radius:12px;background:rgba(82,121,111,.08);border:1px solid rgba(82,121,111,.14);font-size:13px;line-height:1.7;color:var(--slate)}
.callout strong{color:var(--deep)}
.file-list ul{list-style:none;display:grid;gap:8px}
.file-list h3{font-size:14px;font-weight:700;color:var(--slate);margin-bottom:10px}
.file-list li{padding:10px 12px;border-radius:12px;background:rgba(82,121,111,.06);border:1px solid rgba(82,121,111,.14);font-size:13px;color:var(--slate)}
.file-list code{font-size:12px}

/* ── checklist 2-col ─────────────────────────────────────── */
.checklist-2col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.checklist-item{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:14px;background:rgba(82,121,111,.06);border:1px solid rgba(82,121,111,.14);font-size:13.5px;line-height:1.65;color:var(--deep)}
.checklist-dot{width:9px;height:9px;border-radius:50%;background:var(--slate);margin-top:6px;flex-shrink:0}

/* ── responsive ──────────────────────────────────────────── */
@media(max-width:1100px){
  .picker-wrap{grid-template-columns:230px 1fr}
  .example-shell{grid-template-columns:1fr}
}
@media(max-width:760px){
  .integrate-page{padding-inline:16px}
  .picker-wrap{grid-template-columns:1fr;min-height:auto}
  .picker-sidebar{border-right:none;border-bottom:1px solid var(--border)}
  .picker-list{max-height:240px}
  .checklist-2col{grid-template-columns:1fr}
  .example-tab{font-size:10.5px;padding:7px 12px}
}