/* UkuleleThai Creator Community — same palette as the FB / YouTube / TikTok covers */
:root{
  --navy:#0A1F6B; --blue-900:#0D3AA0; --blue:#1E7FE0; --sky:#E8F2FF;
  --yellow:#FFC22E; --yellow-soft:#FFF4D1; --coral:#FF5B6E; --teal:#18B5B0; --violet:#7B61FF;
  --shopee:#EE4D2D; --ink:#0F1A33; --muted:#5B6782; --line:#E3E8F2; --bg:#F6F8FC; --card:#fff;
  --radius:18px; --shadow:0 6px 24px rgba(13,58,160,.10);
  --head:"Prompt",system-ui,sans-serif; --body:"IBM Plex Sans Thai","Sarabun",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-900);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--head);line-height:1.25;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,4.2vw,2.8rem)} h2{font-size:clamp(1.35rem,2.6vw,1.8rem)} h3{font-size:1.15rem}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.narrow{max-width:780px}
.muted{color:var(--muted)} .small{font-size:.88rem}
.sr{position:absolute;left:-9999px}

/* header */
.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:18px;height:64px}
.logo img{height:40px;width:auto}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.nav a{font-family:var(--head);font-weight:500;font-size:.95rem;color:var(--ink);padding:8px 12px;border-radius:999px;white-space:nowrap}
.nav a:hover,.nav a.on{background:var(--sky);text-decoration:none;color:var(--blue-900)}
.nav .cta{background:var(--yellow);color:var(--navy)} .nav .cta:hover{background:#ffb800}
@media (max-width:820px){.top .wrap{height:auto;flex-wrap:wrap;padding-top:8px;padding-bottom:6px;gap:6px}.nav{width:100%;margin-left:0}}

/* hero — mirrors the FB cover */
.hero{position:relative;overflow:hidden;color:#fff;background:
  radial-gradient(1200px 500px at 85% 20%,rgba(30,127,224,.55),transparent 60%),
  radial-gradient(700px 400px at 10% 110%,rgba(123,97,255,.45),transparent 60%),
  linear-gradient(135deg,#071650 0%,#0D3AA0 55%,#1E7FE0 100%)}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(180deg,#000,transparent)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center;padding-top:48px;padding-bottom:40px}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:700}
.hero h1 .y{color:var(--yellow)}
.hero p.lead{font-size:1.15rem;opacity:.92;max-width:34em}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--head);font-weight:600;font-size:.92rem;padding:6px 14px;border-radius:10px;background:var(--yellow);color:var(--navy);box-shadow:0 2px 0 rgba(0,0,0,.15)}
.pill.ghost{background:rgba(255,255,255,.12);color:#fff;box-shadow:none;border:1px solid rgba(255,255,255,.25)}
.hero .mascot{justify-self:center;width:min(380px,90%);filter:drop-shadow(0 20px 40px rgba(0,0,0,.35));border-radius:28px;background:#fff}
.hero .stats{display:flex;gap:26px;margin-top:22px;flex-wrap:wrap}
.hero .stats b{display:block;font-family:var(--head);font-size:1.6rem;color:var(--yellow)}
.hero .stats span{font-size:.85rem;opacity:.85}
.tag-script{font-family:"Caveat",cursive;font-size:1.6rem;color:#fff;opacity:.9}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr;padding-top:28px}.hero .mascot{width:220px;order:-1}}

/* buttons */
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--head);font-weight:600;border:0;border-radius:999px;padding:12px 22px;cursor:pointer;font-size:1rem;text-decoration:none!important;transition:transform .08s ease,box-shadow .2s}
.btn:active{transform:translateY(1px)}
.btn.y{background:var(--yellow);color:var(--navy);box-shadow:0 4px 0 #d99c00}
.btn.b{background:var(--blue);color:#fff;box-shadow:0 4px 0 var(--blue-900)}
.btn.w{background:#fff;color:var(--blue-900)}
.btn.shopee{background:var(--shopee);color:#fff;box-shadow:0 4px 0 #b8341b;font-size:1.08rem;padding:14px 26px}
.btn.tt{background:#111;color:#fff}
.btn.block{display:flex;width:100%}

/* sections & cards */
section.s{padding:52px 0}
.s-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:20px}
.s-head p{margin:0}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
a.card{color:inherit;display:block;transition:transform .15s ease,box-shadow .15s}
a.card:hover{transform:translateY(-3px);text-decoration:none;box-shadow:0 12px 32px rgba(13,58,160,.16)}
.hub-card{position:relative;overflow:hidden}
.hub-card .ic{font-size:2rem;width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:10px}
.hub-card h3{margin-bottom:4px}
.hub-card p{margin:0;color:var(--muted);font-size:.95rem}
.kicker{font-family:var(--head);font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--blue)}
.badge{display:inline-block;font-family:var(--head);font-size:.75rem;font-weight:600;padding:2px 10px;border-radius:999px;background:var(--sky);color:var(--blue-900)}
.badge.y{background:var(--yellow-soft);color:#8a5a00} .badge.r{background:#FFE6E9;color:#B4233A} .badge.t{background:#DDF6F5;color:#0B6E6A}
.list-card h3{font-size:1.05rem;margin:8px 0 6px}
.list-card p{margin:0;color:var(--muted);font-size:.93rem}
.band{background:linear-gradient(135deg,var(--blue-900),var(--blue));color:#fff;border-radius:24px;padding:32px}
.band .card{color:var(--ink)}
.band.y{background:linear-gradient(135deg,#FFD45C,var(--yellow));color:var(--navy)}

/* breadcrumbs & article */
.crumbs{font-size:.85rem;color:var(--muted);padding:16px 0 0}
.crumbs a{color:var(--muted)}
.page-head{padding:22px 0 8px}
.meta{display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:.9rem}
.author{display:flex;gap:10px;align-items:center}
.author img{width:40px;height:40px;border-radius:50%;background:#fff;border:2px solid var(--yellow)}
.prose p{margin:0 0 1em} .prose ul,.prose ol{padding-left:1.3em} .prose li{margin:.3em 0}
.prose h2{margin-top:1.6em}
.answer{background:var(--yellow-soft);border:1px solid #FFE08A;border-left:6px solid var(--yellow);border-radius:14px;padding:16px 18px;margin:16px 0}
.answer b{font-family:var(--head)}
.disclose{font-size:.85rem;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:12px;padding:10px 14px}

/* sale page */
.verdict{display:grid;grid-template-columns:200px 1fr;gap:20px;align-items:center}
.verdict .img{background:#fff;border-radius:14px;border:1px solid var(--line);padding:10px;aspect-ratio:1;display:grid;place-items:center}
.score{display:inline-flex;align-items:baseline;gap:4px;font-family:var(--head);font-weight:700;font-size:2.2rem;color:var(--blue-900)}
.score small{font-size:1rem;color:var(--muted)}
.fit{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}
.fit div{border-radius:12px;padding:12px 14px;font-size:.93rem}
.fit .yes{background:#E7F8EF} .fit .no{background:#FFF0F1}
.fit ul{margin:.3em 0 0;padding-left:1.1em}
.pc{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pc .pro{border-top:4px solid #22B573} .pc .con{border-top:4px solid var(--coral)}
.specs{width:100%;border-collapse:collapse;font-size:.95rem}
.specs td{border-bottom:1px solid var(--line);padding:9px 6px;vertical-align:top}
.specs td:first-child{color:var(--muted);width:38%}
.checklist li{list-style:none;position:relative;padding-left:28px}
.checklist li:before{content:"✓";position:absolute;left:0;top:0;color:#fff;background:var(--teal);width:20px;height:20px;border-radius:6px;display:grid;place-items:center;font-size:.8rem;margin-top:4px}
details.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:8px 0}
details.faq summary{font-family:var(--head);font-weight:600;cursor:pointer}
.price-note{font-size:.82rem;color:var(--muted)}
.sticky-buy{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.08);padding:10px 16px;display:none}
.sticky-buy .wrap{display:flex;gap:12px;align-items:center;padding:0}
.sticky-buy .nm{flex:1;font-family:var(--head);font-weight:600;font-size:.95rem;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sticky-buy.show{display:block}
.prod-card{display:flex;gap:14px;align-items:center}
.prod-card .pi{width:84px;height:84px;flex:none;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;overflow:hidden;font-size:2rem}
.prod-card .pn{font-family:var(--head);font-weight:600;line-height:1.35}
.rank{font-family:var(--head);font-weight:700;font-size:1.4rem;color:#fff;background:var(--blue);width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:none}
.video{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000}
.video.v{aspect-ratio:9/16;max-width:340px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media (max-width:700px){.verdict{grid-template-columns:1fr}.verdict .img{max-width:220px}.fit,.pc{grid-template-columns:1fr}}

/* chord page — dochord-style, readable on a music stand */
.chord-layout{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start}
@media (max-width:980px){.chord-layout{grid-template-columns:1fr}}
.tools{position:sticky;top:64px;z-index:20;display:flex;flex-wrap:wrap;gap:8px;align-items:center;background:#0F1A33;color:#fff;border-radius:14px;padding:10px 12px;margin:12px 0}
.tools button,.tools select{font-family:var(--head);font-size:.9rem;border:0;border-radius:10px;padding:7px 12px;background:rgba(255,255,255,.12);color:#fff;cursor:pointer}
.tools button.on{background:var(--yellow);color:var(--navy)}
.tools .lbl{font-size:.8rem;opacity:.75}
.tools .key{font-family:var(--head);font-weight:700;min-width:36px;text-align:center;color:var(--yellow)}
.sheet{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;columns:2 300px;column-gap:36px;font-size:var(--sheet-size,1.05rem)}
.sheet.single{columns:1}
.sec{break-inside:avoid;margin-bottom:18px}
.sec-name{display:inline-block;font-family:var(--head);font-weight:600;font-size:.85rem;background:#FFFBEA;border:1px solid #FFE9A6;border-radius:8px;padding:2px 10px;margin-bottom:6px;color:#7a5200}
.row{display:flex;flex-wrap:wrap;align-items:flex-end;margin:2px 0 8px}
.seg{display:inline-flex;flex-direction:column;white-space:pre}
.seg .ch{font-family:var(--head);font-weight:700;color:var(--blue);font-size:.92em;min-height:1.25em;padding-right:6px}
.seg .ly{line-height:1.35}
.chords-only{gap:4px 10px;align-items:center}
.chords-only .ch{font-family:var(--head);font-weight:700;color:var(--blue);font-size:1.05em;cursor:pointer}
.chords-only .bar{color:#B9C2D6}
.ch[data-c]{cursor:pointer}
.ch[data-c]:hover{text-decoration:underline}
.diagrams{display:flex;flex-wrap:wrap;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.dg{text-align:center;font-family:var(--head);font-weight:600;font-size:.9rem;width:84px}
.dg svg{display:block;margin:0 auto}
.strum{font-family:var(--head);font-size:1.3rem;letter-spacing:.2em;color:var(--blue-900)}
.gear .prod-card+.prod-card{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.chord-pop{position:fixed;z-index:60;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;display:none}

/* forms */
.field{display:block;margin:0 0 14px}
.field span{display:block;font-family:var(--head);font-weight:500;font-size:.92rem;margin-bottom:4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],select,textarea{width:100%;font:inherit;padding:11px 14px;border:1px solid #CBD3E3;border-radius:12px;background:#fff}
textarea{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85rem;line-height:1.5}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{display:inline-flex;gap:6px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;cursor:pointer}

/* footer */
footer.foot{margin-top:56px;background:#071650;color:#C9D4F2;padding:40px 0 90px;font-size:.92rem}
footer.foot a{color:#fff}
footer.foot .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}
@media (max-width:760px){footer.foot .cols{grid-template-columns:1fr 1fr}}
.social{display:flex;gap:10px;flex-wrap:wrap}
.social a{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.1);padding:6px 12px;border-radius:999px}

/* keyboard (piano) mode */
.dg.piano{width:auto}
.dg.piano small{font-weight:500;color:var(--muted);font-size:.75rem}
.piano-guide{margin-top:12px}
.piano-guide ul{margin:.5em 0 0;padding-left:0;list-style:none}
.piano-guide li{margin:.45em 0;padding-left:28px;position:relative}
.kdot{position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;color:#fff;font:700 .7rem var(--head);display:grid;place-items:center}
.kdot.l{background:var(--coral)} .kdot.r{background:var(--blue)}