:root{--bg:#f8f2e5;--card:#fffdf7;--ink:#17324b;--muted:#6b7480;--teal:#0d6664;--teal2:#168b82;--orange:#f2a437;--green:#75b642;--purple:#7964ad;--blue:#4b82ad;--red:#d8614d;--line:#e7dfd1;--shadow:0 8px 28px rgba(24,48,67,.09);--radius:20px}
*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;padding-bottom:86px}button,input{font:inherit}a{color:inherit}
.topbar{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;padding:12px max(14px,env(safe-area-inset-right)) 12px max(14px,env(safe-area-inset-left));background:rgba(248,242,229,.93);backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,50,75,.08)}.topbar h1{font-size:18px;margin:0;line-height:1.15}.eyebrow{font-size:11px;color:var(--teal);font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.icon-btn,.install-btn,.back-btn{border:0;border-radius:14px;background:white;color:var(--ink);box-shadow:var(--shadow);cursor:pointer}.icon-btn{width:42px;height:42px;font-size:23px}.install-btn{padding:9px 12px;background:var(--teal);color:white;font-weight:800}
main{max-width:900px;margin:auto}.view{display:none;padding:14px}.view.active{display:block}
.hero{border-radius:28px;padding:24px 20px;background:linear-gradient(145deg,#0d6664,#168b82);color:white;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-55px;top:-45px;background:rgba(255,255,255,.08)}.hero h2{font-size:30px;margin:8px 0 4px}.hero p{margin:0 0 18px;max-width:620px;opacity:.93}.hero-badge{display:inline-block;background:rgba(255,255,255,.18);padding:6px 10px;border-radius:999px;font-weight:800;font-size:12px}
.search{display:flex;align-items:center;gap:9px;background:white;color:var(--ink);border-radius:16px;padding:0 14px;min-height:50px;position:relative;z-index:2}.search span{font-size:22px;color:var(--teal)}.search input{width:100%;border:0;outline:0;background:transparent;font-size:16px}
.welcome-card,.final-card{margin-top:14px;padding:16px 18px;border-radius:20px;background:var(--card);border:1px solid var(--line);box-shadow:0 4px 16px rgba(24,48,67,.04)}.welcome-card h3,.final-card h3{margin:0 0 6px}.welcome-card p,.final-card p{margin:0;line-height:1.5;color:var(--muted)}.final-card{text-align:center;padding:22px}.final-emoji{font-size:34px;margin-bottom:5px}
.quick-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin:14px 0 22px}.quick{text-decoration:none;background:var(--card);border:1px solid var(--line);border-radius:17px;min-height:78px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:0 4px 16px rgba(24,48,67,.05);font-size:12px;text-align:center}.quick span{font-size:22px}.quick b{font-weight:800}
.section-title-row{display:flex;justify-content:space-between;align-items:center}.section-title-row h3{font-size:20px}.section-title-row span{font-size:12px;color:var(--muted)}
.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.category-card,.topic-card{border:1px solid var(--line);background:var(--card);border-radius:var(--radius);padding:16px;text-align:left;box-shadow:0 5px 18px rgba(24,48,67,.05);cursor:pointer;position:relative;overflow:hidden}.category-card{min-height:150px}.category-card:active,.topic-card:active{transform:scale(.985)}.category-card .emoji,.topic-card .emoji{font-size:27px}.category-card h4,.topic-card h4{margin:10px 0 5px;font-size:17px}.category-card p,.topic-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.4}.category-card .bar{position:absolute;left:0;right:0;bottom:0;height:5px;background:var(--accent)}
.topic-grid{display:grid;grid-template-columns:1fr;gap:10px}.topic-card{display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;min-height:90px}.topic-card .emoji{font-size:26px}.topic-card h4{margin:0 0 4px}.topic-card .arrow{font-size:24px;color:var(--muted)}.topic-card .page-tag{display:inline-block;margin-top:5px;font-size:11px;color:var(--muted)}
.notice,.install-help{margin-top:18px;border-radius:18px;padding:15px;background:#fff7df;border:1px solid #f1dfab;font-size:14px;line-height:1.45}.install-help{background:var(--card);border-color:var(--line)}.install-help h3{margin:0 0 8px}.install-help p{margin:6px 0}.empty{padding:24px;text-align:center;color:var(--muted)}.back-btn{padding:10px 14px;margin-bottom:12px;font-weight:800}
.category-head,.detail-head{border-radius:26px;padding:22px;color:white;background:linear-gradient(145deg,var(--accent),color-mix(in srgb,var(--accent) 82%,#000));box-shadow:var(--shadow)}.category-head .emoji,.detail-head .emoji{font-size:34px}.category-head h2,.detail-head h2{margin:8px 0 4px;font-size:28px}.category-head p,.detail-head p{margin:0;opacity:.94;line-height:1.45}
.content-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;margin-top:12px;box-shadow:0 4px 16px rgba(24,48,67,.04)}.content-card h3{margin:0 0 8px;font-size:18px}.content-card h4{margin:14px 0 4px;font-size:15px}.content-card p{margin:7px 0;line-height:1.5}.content-card ul,.content-card ol{padding-left:22px;line-height:1.55}.content-card li{margin:5px 0}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.link-btn{display:inline-flex;align-items:center;gap:7px;text-decoration:none;border-radius:12px;padding:9px 11px;background:#eef7f6;color:var(--teal);font-weight:800;font-size:13px;border:1px solid #cbe5e2}.contact{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}
.info-box,.warning-box,.tip-box{margin:10px 0;padding:12px 13px;border-radius:14px;line-height:1.48}.info-box{background:#f0f6f9;border-left:4px solid var(--blue)}.warning-box{background:#fff0eb;border-left:4px solid var(--red)}.tip-box{background:#fff7df;border-left:4px solid var(--orange)}
.two-col{display:grid;grid-template-columns:1fr;gap:10px}.person-card{padding:13px;border:1px solid var(--line);border-radius:15px;background:#fff}.person-card h4{margin:0 0 6px}.person-card p{font-size:14px}.meta{font-size:12px;color:var(--muted)}
.checklist label{display:flex;gap:11px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);cursor:pointer}.checklist label:last-child{border-bottom:0}.checklist input{width:20px;height:20px;accent-color:var(--teal);margin-top:1px}.small{font-size:12px;color:var(--muted)}
.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;z-index:30;width:min(900px,100%);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,253,247,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:7px max(6px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left))}.bottom-nav button{border:0;background:transparent;color:var(--muted);padding:5px 2px;font-size:10px;display:flex;flex-direction:column;gap:2px;align-items:center;cursor:pointer}.bottom-nav button span{font-size:20px}.bottom-nav button.active{color:var(--teal);font-weight:800}

.cover-card{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:14px;background:#dfeef1}.cover-card img{display:block;width:100%;height:auto}.cover-overlay{position:absolute;left:0;right:0;bottom:0;padding:18px 18px 20px;background:linear-gradient(180deg,rgba(10,18,28,0) 0%, rgba(10,18,28,.72) 68%, rgba(10,18,28,.84) 100%);color:#fff}.cover-overlay h2{margin:8px 0 6px;font-size:29px;line-height:1.05;max-width:12ch}.cover-overlay p{margin:0;max-width:34ch;line-height:1.35;color:rgba(255,255,255,.92)}.cover-chip{display:inline-block;background:rgba(255,255,255,.2);backdrop-filter:blur(8px);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.03em}
.cover-card{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:14px;background:#dfeef1}.cover-card img{display:block;width:100%;height:auto}.cover-overlay{position:absolute;left:0;right:0;bottom:0;padding:18px 18px 20px;background:linear-gradient(180deg,rgba(10,18,28,0) 0%, rgba(10,18,28,.72) 68%, rgba(10,18,28,.84) 100%);color:#fff}.cover-overlay h2{margin:8px 0 6px;font-size:29px;line-height:1.05;max-width:12ch}.cover-overlay p{margin:0;max-width:34ch;line-height:1.35;color:rgba(255,255,255,.92)}.cover-chip{display:inline-block;background:rgba(255,255,255,.2);backdrop-filter:blur(8px);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.03em}
.search{display:flex;align-items:center;gap:9px;background:white;color:var(--ink);border-radius:16px;padding:0 14px;min-height:50px;position:relative;z-index:2}.search span{font-size:22px;color:var(--teal)}.search input{width:100%;border:0;outline:0;background:transparent;font-size:16px}
.welcome-card,.final-card{margin-top:14px;padding:16px 18px;border-radius:20px;background:var(--card);border:1px solid var(--line);box-shadow:0 4px 16px rgba(24,48,67,.04)}.welcome-card h3,.final-card h3{margin:0 0 6px}.welcome-card p,.final-card p{margin:0;line-height:1.5;color:var(--muted)}.final-card{text-align:center;padding:22px}.final-emoji{font-size:34px;margin-bottom:5px}
.quick-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin:14px 0 22px}.quick{text-decoration:none;background:var(--card);border:1px solid var(--line);border-radius:17px;min-height:78px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:0 4px 16px rgba(24,48,67,.05);font-size:12px;text-align:center}.quick span{font-size:22px}.quick b{font-weight:800}
.section-title-row{display:flex;justify-content:space-between;align-items:center}.section-title-row h3{font-size:20px}.section-title-row span{font-size:12px;color:var(--muted)}
.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.category-card,.topic-card{border:1px solid var(--line);background:var(--card);border-radius:var(--radius);padding:16px;text-align:left;box-shadow:0 5px 18px rgba(24,48,67,.05);cursor:pointer;position:relative;overflow:hidden}.category-card{min-height:150px}.category-card:active,.topic-card:active{transform:scale(.985)}.category-card .emoji,.topic-card .emoji{font-size:27px}.category-card h4,.topic-card h4{margin:10px 0 5px;font-size:17px}.category-card p,.topic-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.4}.category-card .bar{position:absolute;left:0;right:0;bottom:0;height:5px;background:var(--accent)}
.topic-grid{display:grid;grid-template-columns:1fr;gap:10px}.topic-card{display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;min-height:90px}.topic-card .emoji{font-size:26px}.topic-card h4{margin:0 0 4px}.topic-card .arrow{font-size:24px;color:var(--muted)}.topic-card .page-tag{display:inline-block;margin-top:5px;font-size:11px;color:var(--muted)}
.notice,.install-help{margin-top:18px;border-radius:18px;padding:15px;background:#fff7df;border:1px solid #f1dfab;font-size:14px;line-height:1.45}.install-help{background:var(--card);border-color:var(--line)}.install-help h3{margin:0 0 8px}.install-help p{margin:6px 0}.empty{padding:24px;text-align:center;color:var(--muted)}.back-btn{padding:10px 14px;margin-bottom:12px;font-weight:800}
.category-head,.detail-head{border-radius:26px;padding:22px;color:white;background:linear-gradient(145deg,var(--accent),color-mix(in srgb,var(--accent) 82%,#000));box-shadow:var(--shadow)}.category-head .emoji,.detail-head .emoji{font-size:34px}.category-head h2,.detail-head h2{margin:8px 0 4px;font-size:28px}.category-head p,.detail-head p{margin:0;opacity:.94;line-height:1.45}
.content-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;margin-top:12px;box-shadow:0 4px 16px rgba(24,48,67,.04)}.content-card h3{margin:0 0 8px;font-size:18px}.content-card h4{margin:14px 0 4px;font-size:15px}.content-card p{margin:7px 0;line-height:1.5}.content-card ul,.content-card ol{padding-left:22px;line-height:1.55}.content-card li{margin:5px 0}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.link-btn{display:inline-flex;align-items:center;gap:7px;text-decoration:none;border-radius:12px;padding:9px 11px;background:#eef7f6;color:var(--teal);font-weight:800;font-size:13px;border:1px solid #cbe5e2}.contact{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}
.info-box,.warning-box,.tip-box{margin:10px 0;padding:12px 13px;border-radius:14px;line-height:1.48}.info-box{background:#f0f6f9;border-left:4px solid var(--blue)}.warning-box{background:#fff0eb;border-left:4px solid var(--red)}.tip-box{background:#fff7df;border-left:4px solid var(--orange)}
.two-col{display:grid;grid-template-columns:1fr;gap:10px}.person-card{padding:13px;border:1px solid var(--line);border-radius:15px;background:#fff}.person-card h4{margin:0 0 6px}.person-card p{font-size:14px}.meta{font-size:12px;color:var(--muted)}
.checklist label{display:flex;gap:11px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);cursor:pointer}.checklist label:last-child{border-bottom:0}.checklist input{width:20px;height:20px;accent-color:var(--teal);margin-top:1px}.small{font-size:12px;color:var(--muted)}
.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;z-index:30;width:min(900px,100%);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,253,247,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:7px max(6px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left))}.bottom-nav button{border:0;background:transparent;color:var(--muted);padding:5px 2px;font-size:10px;display:flex;flex-direction:column;gap:2px;align-items:center;cursor:pointer}.bottom-nav button span{font-size:20px}.bottom-nav button.active{color:var(--teal);font-weight:800}

.category-card.visual{padding:0;display:flex;flex-direction:column}.category-media{height:118px;overflow:hidden;border-radius:20px 20px 0 0}.category-media img{width:100%;height:100%;object-fit:cover;display:block}.category-body{padding:16px 16px 20px 16px}.category-card.visual .emoji{font-size:24px}.category-hero,.detail-hero{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:14px}.category-hero img,.detail-hero img{display:block;width:100%;height:auto}.category-hero .category-head,.detail-hero .detail-head{position:absolute;left:14px;right:14px;bottom:14px;background:linear-gradient(145deg,rgba(23,50,75,.82),rgba(23,50,75,.68));backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.16)}.topic-card.visual{padding:0;grid-template-columns:1fr auto;align-items:stretch;gap:0}.topic-media{grid-column:1 / span 2;height:142px;overflow:hidden;border-radius:20px 20px 0 0}.topic-media img{width:100%;height:100%;object-fit:cover;display:block}.topic-copy{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:start;padding:14px 14px 16px}.topic-copy .emoji{font-size:24px}.topic-card.visual .arrow{display:flex;align-items:center;justify-content:center;padding:0 14px 0 0;font-size:24px}.topic-card.visual h4{margin:0 0 4px}.topic-card.visual p{margin:0;color:var(--muted);font-size:13px;line-height:1.42}.topic-card.visual .page-tag{display:inline-block;margin-top:6px;font-size:11px;color:var(--muted)}
.category-card.visual{padding:0;display:flex;flex-direction:column}.category-media{height:118px;overflow:hidden;border-radius:20px 20px 0 0}.category-media img{width:100%;height:100%;object-fit:cover;display:block}.category-body{padding:16px 16px 20px 16px}.category-card.visual .emoji{font-size:24px}
@media(min-width:700px){.category-grid{grid-template-columns:repeat(3,1fr)}.category-card{min-height:160px}.topic-grid{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:repeat(2,1fr)}}@media(max-width:440px){.quick-actions{grid-template-columns:repeat(2,1fr)}.hero h2{font-size:26px}.brand h1{font-size:16px}}

@media(max-width:440px){.cover-overlay h2{font-size:24px}.cover-overlay p{font-size:14px}}

/* Search UX */
#browseSection{scroll-margin-top:78px}
.home-search-spacer{display:none}
#homeView.searching .welcome-card,
#homeView.searching .quick-actions{display:none}
#homeView.searching #browseSection{margin-top:14px}
#homeView.searching .notice,
#homeView.searching .final-card,
#homeView.searching .install-help{display:none}
#homeView.searching .hero{margin-bottom:0}