/* WhatsApp Automation Library: hub and entry pages. Uses v2.css tokens, works in light and dark. */
.lib-hero{padding:56px 0 36px;border-bottom:1px solid var(--line)}
.lib-crumbs{font-size:.84rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.lib-crumbs a{color:var(--wa-deep);text-decoration:none}
.lib-hero h1{font-size:clamp(2rem,4.6vw,3.2rem);font-weight:800;margin:10px 0 14px}
.lib-hero .lede{font-size:1.1rem;color:var(--ink-2);max-width:62ch}
.lib-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.lib-tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:999px;border:1px solid var(--line-2);background:var(--card);color:var(--ink-2)}
.lib-tag.k-integration{border-color:#9fd9b8;color:var(--wa-deep)}
.lib-tag.k-meta{border-color:#9dbcf8;color:#2f5fb3}
.lib-tag.k-platform{border-color:var(--api-line);color:var(--api)}
@media (prefers-color-scheme: dark){.lib-tag.k-integration{border-color:#2c5c46}.lib-tag.k-meta{border-color:#2b4570;color:#9dbcf8}}

/* hub */
.lib-tools{display:flex;flex-direction:column;gap:14px;margin:28px 0 22px}
.lib-search{width:100%;max-width:560px;padding:13px 16px;border-radius:12px;border:1px solid var(--line-2);background:var(--card);color:var(--ink);font:500 1rem var(--body)}
.lib-search:focus{outline:none;border-color:var(--wa-ui)}
.lib-filters{display:flex;flex-wrap:wrap;gap:8px}
.lib-filter{padding:7px 13px;border-radius:999px;border:1px solid var(--line-2);background:var(--card);color:var(--ink-2);font:600 .86rem var(--body);cursor:pointer}
.lib-filter[aria-pressed="true"]{background:var(--btn-bg);color:var(--btn-fg);border-color:var(--btn-bg)}
.lib-count{font-size:.86rem;color:var(--muted)}
.lib-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:980px){.lib-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.lib-grid{grid-template-columns:1fr}}
.lib-card{display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:var(--r);border:1px solid var(--line);background:var(--card);text-decoration:none;color:var(--ink);transition:border-color .15s ease,transform .15s ease;min-width:0}
.lib-card:hover{border-color:var(--wa-ui);transform:translateY(-2px)}
.lib-card h2,.lib-card h3{font-size:1.15rem;font-weight:700}
.lib-card p{font-size:.92rem;color:var(--ink-2);flex:1}
.lib-card .lib-card-foot{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.lib-card .more{margin-left:auto;font-weight:600;font-size:.88rem;color:var(--wa-deep)}
.lib-empty{padding:32px;text-align:center;color:var(--muted);border:1px dashed var(--line-2);border-radius:var(--r)}
.lib-section-title{font-size:1.4rem;font-weight:800;margin:40px 0 14px}

/* entry */
.lib-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;padding:40px 0 64px}
@media (max-width:960px){.lib-body{grid-template-columns:1fr;gap:28px}}
.lib-main{display:flex;flex-direction:column;gap:34px;min-width:0}
.lib-main h2{font-size:1.5rem;font-weight:800;margin-bottom:12px}
.lib-main p{color:var(--ink-2);margin-bottom:12px;max-width:70ch}
.lib-main ul.lib-list{margin:0;padding-left:1.2em;color:var(--ink-2);display:flex;flex-direction:column;gap:8px;max-width:70ch}
.lib-steps{list-style:none;margin:0;padding:0;counter-reset:s;display:flex;flex-direction:column;gap:10px;max-width:72ch}
.lib-steps li{counter-increment:s;display:flex;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink-2)}
.lib-steps li::before{content:counter(s);flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--wa);color:#04210f;font:700 .82rem var(--body);display:grid;place-items:center}
.lib-note{font-size:.86rem;color:var(--muted)}
.lib-video{position:relative;display:block;width:100%;aspect-ratio:16/9;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#000;cursor:pointer;padding:0}
.lib-video img{width:100%;height:100%;object-fit:cover;display:block;opacity:.9;transition:opacity .15s}
.lib-video:hover img{opacity:1}
.lib-video .play{position:absolute;inset:0;margin:auto;width:68px;height:48px;border-radius:12px;background:rgba(0,0,0,.72);display:grid;place-items:center}
.lib-video .play::after{content:"";border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}
.lib-video:hover .play{background:#ff0000}
.lib-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.lib-vcap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px;margin-top:8px;font-size:.84rem;color:var(--muted)}
.lib-vcap a{color:var(--wa-deep)}
.lib-videos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width:700px){.lib-videos{grid-template-columns:1fr}}
.lib-videos h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.lib-facts{border:1px solid var(--line);border-radius:var(--r);background:var(--card);padding:18px 20px}
.lib-facts ul{margin:0;padding-left:1.1em;display:flex;flex-direction:column;gap:8px;color:var(--ink-2)}
.lib-facts .src{font-size:.78rem;color:var(--muted)}
.lib-facts a{color:var(--wa-deep)}
.lib-side{display:flex;flex-direction:column;gap:16px;align-self:start;position:sticky;top:84px}
@media (max-width:960px){.lib-side{position:static}}
.lib-box{border:1px solid var(--line);border-radius:var(--r);background:var(--card);padding:18px}
.lib-box h2,.lib-box h3{font-size:.78rem;font-family:var(--mono);font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.lib-box a{display:block;padding:6px 0;color:var(--wa-deep);text-decoration:none;font-weight:600;font-size:.94rem;border-bottom:1px solid var(--line)}
.lib-box a:last-child{border-bottom:0}
.lib-box a .ext{font-weight:400;color:var(--muted);font-size:.8rem}
.lib-box p{font-size:.9rem;color:var(--ink-2);margin-bottom:12px}
.lib-faq details{border-bottom:1px solid var(--line);padding:14px 0}
.lib-faq summary{cursor:pointer;font-weight:600;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:12px}
.lib-faq summary::-webkit-details-marker{display:none}
.lib-faq summary::after{content:"+";font-family:var(--mono);color:var(--wa-deep)}
.lib-faq details[open] summary::after{content:"\2212"}
.lib-faq details p{margin:10px 0 0}
.lib-related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media (max-width:760px){.lib-related{grid-template-columns:1fr}}
.lib-related .lib-card{padding:16px}
.lib-related .lib-card h3{font-size:1rem}
.lib-card .lib-tag{align-self:flex-start}