@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800;900&family=Noto+Sans+Thai:wght@300;400;500;600;700&family=Orbitron:wght@600;700;900&display=swap');
:root{--bg:#0a0b16;--bg2:#111222;--surface:#16182e;--surface2:#1e2140;--surface3:#282d52;--ink:#e8eeff;--muted:#8891bd;--dim:#5a6390;--line:rgba(110,130,255,.15);--line-light:rgba(110,130,255,.07);--cyan:#00eeff;--pink:#ff2d95;--purple:#b44dff;--gold:#ffd700;--neon-green:#39ff14;--orange:#ff6a00;--glow-cyan:0 0 12px rgba(0,238,255,.4),0 0 40px rgba(0,238,255,.1);--glow-pink:0 0 12px rgba(255,45,149,.4),0 0 40px rgba(255,45,149,.1);--glow-gold:0 0 12px rgba(255,215,0,.3),0 0 40px rgba(255,215,0,.08);--glow-purple:0 0 12px rgba(180,77,255,.3),0 0 40px rgba(180,77,255,.08);--shadow:0 4px 20px rgba(0,0,0,.5);--shadow-lg:0 12px 48px rgba(0,0,0,.6);--radius-sm:8px;--radius:14px;--radius-lg:20px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:'Noto Sans Thai','Inter','Segoe UI',Tahoma,sans-serif;background:var(--bg);background-image:radial-gradient(ellipse at 20% 20%,rgba(180,77,255,.06),transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(0,238,255,.05),transparent 50%),radial-gradient(ellipse at 50% 50%,rgba(255,45,149,.03),transparent 50%);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-thumb{background:var(--surface3);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--cyan)}
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px clamp(16px,4vw,48px);background:rgba(10,11,22,.88);backdrop-filter:blur(28px) saturate(1.4);border-bottom:1px solid var(--line);box-shadow:0 1px 20px rgba(0,0,0,.4)}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}
.brand-mark{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold),var(--orange));color:#0a0b16;font-weight:950;font-family:'Orbitron',monospace;font-size:20px;box-shadow:0 0 16px rgba(255,215,0,.3)}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:-.03em}
.brand-text small{display:block;color:var(--muted);font-size:11px;margin-top:-3px;letter-spacing:.05em}
.top-tabs{display:flex;gap:4px;overflow-x:auto}
.top-tabs button{white-space:nowrap;min-height:34px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--muted);padding:0 14px;font-size:13px;font-weight:700;font-family:'Inter',sans-serif;cursor:pointer;transition:.25s}
.top-tabs button:hover{color:var(--cyan);border-color:rgba(0,238,255,.25);text-shadow:0 0 12px rgba(0,238,255,.3)}
.top-tabs button.active{color:#fff;background:rgba(0,238,255,.08);border-color:var(--cyan);box-shadow:0 0 12px rgba(0,238,255,.15);text-shadow:0 0 8px rgba(0,238,255,.4)}
main{width:min(1400px,100%);margin:0 auto;padding:0 clamp(16px,4vw,48px) 70px}
.hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;min-height:480px;padding:50px 0 30px}
.eyebrow{margin:0 0 14px;font-family:'Orbitron',monospace;font-size:12px;color:var(--cyan);text-transform:uppercase;letter-spacing:.25em;font-weight:700;text-shadow:0 0 20px rgba(0,238,255,.3)}
.hero h1{font-size:clamp(42px,7vw,86px);line-height:.92;margin:0 0 18px;letter-spacing:-.05em;font-family:'Inter','Noto Sans Thai',sans-serif;font-weight:950;background:linear-gradient(135deg,#fff 30%,var(--cyan) 60%,var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:clamp(15px,1.8vw,20px);color:#c8ceec;max-width:640px}
.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;border-radius:6px;font-size:14px;font-weight:700;text-decoration:none;transition:.25s;background:linear-gradient(135deg,var(--cyan),#0099cc);color:#0a0b16;border:none;box-shadow:0 0 16px rgba(0,238,255,.25);font-family:'Inter',sans-serif;text-transform:uppercase;letter-spacing:.06em}
.button:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(0,238,255,.5),0 8px 24px rgba(0,238,255,.15)}
.button.ghost{background:transparent;border:1.5px solid rgba(180,77,255,.4);color:var(--purple);box-shadow:none}
.button.ghost:hover{border-color:var(--purple);box-shadow:0 0 20px rgba(180,77,255,.3);background:rgba(180,77,255,.08)}
.quick-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:20px 0 40px;border-top:1px solid var(--line)}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 14px;text-align:center;position:relative;overflow:hidden}
.stat::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent)}
.stat strong{display:block;font-size:30px;font-weight:900;font-family:'Orbitron',monospace;background:linear-gradient(135deg,var(--gold),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.browser-panel{padding:20px 0}
.panel-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px;flex-wrap:wrap}
.panel-head h2{font-size:clamp(22px,3.5vw,34px);font-weight:800;margin-top:4px;letter-spacing:-.03em}
.search{padding:10px 18px;border-radius:6px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font-size:14px;min-width:240px;outline:none;transition:.25s}
.search:focus{border-color:var(--pink);box-shadow:0 0 0 3px rgba(255,45,149,.12),0 0 16px rgba(255,45,149,.08)}
.category-browser{display:grid;grid-template-columns:270px 1fr;gap:20px;min-height:340px}
.category-tabs{display:flex;flex-direction:column;gap:4px}
.cat-tab{display:flex;align-items:center;gap:12px;padding:10px 14px;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--muted);text-align:left;cursor:pointer;transition:.2s;width:100%;font-family:inherit;font-size:13px}
.cat-tab:hover{background:var(--surface);border-color:var(--line);color:var(--cyan)}
.cat-tab.active{background:var(--surface);border-color:var(--purple);box-shadow:0 0 12px rgba(180,77,255,.08);color:#fff}
.cat-tab img{width:30px;height:30px;border-radius:6px;flex-shrink:0}
.cat-tab span strong{display:block;font-size:14px}
.cat-tab span span{font-size:11px;color:var(--dim)}
.cat-tab em{margin-left:auto;font-size:11px;color:var(--cyan);font-style:normal;font-weight:700;background:rgba(0,238,255,.08);padding:1px 7px;border-radius:4px}
.active-cat{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.active-cat h3{font-size:22px;font-weight:800}
.active-cat p{color:var(--dim);font-size:13px}
.doc-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.doc-card-link{display:block;padding:16px 18px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--surface);text-decoration:none;color:inherit;transition:.25s;position:relative;overflow:hidden}
.doc-card-link::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--purple),transparent);opacity:0;transition:opacity .3s}
.doc-card-link:hover{background:var(--surface2);border-color:var(--purple);transform:translateY(-2px);box-shadow:0 0 20px rgba(180,77,255,.08)}
.doc-card-link:hover::before{opacity:1}
.doc-card-link strong{display:block;font-size:15px;font-weight:700;color:#fff}
.doc-card-link small{font-size:10px;color:var(--dim);text-transform:uppercase;letter-spacing:.08em;font-family:'Inter',sans-serif}
.doc-card-link p{font-size:13px;color:var(--muted);margin-top:5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.visual-strip{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;margin-top:36px;padding:44px 0;border-top:1px solid var(--line)}
.visual-strip h2{font-size:clamp(26px,4vw,40px);font-weight:800;letter-spacing:-.03em;margin:4px 0 10px}
.visual-strip p{color:var(--muted);font-size:15px}
.visual-strip img{width:100%;border-radius:var(--radius-sm);border:1px solid var(--line);box-shadow:var(--shadow)}
.doc-body{background:var(--bg);background-image:radial-gradient(ellipse at 10% 30%,rgba(180,77,255,.05),transparent 50%),radial-gradient(ellipse at 90% 70%,rgba(0,238,255,.04),transparent 50%)}
.doc-top{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:10px clamp(16px,4vw,48px);background:rgba(10,11,22,.88);backdrop-filter:blur(24px) saturate(1.3);border-bottom:1px solid var(--line);box-shadow:0 1px 16px rgba(0,0,0,.35)}
.doc-top a{color:var(--cyan);text-decoration:none;font-size:14px;font-weight:600;transition:.2s;display:flex;align-items:center;gap:6px}
.doc-top a:hover{color:var(--gold);text-shadow:0 0 12px rgba(255,215,0,.3)}
.doc-top span{font-size:12px;color:var(--dim);font-weight:600;font-family:'Inter',sans-serif}
.doc-layout{display:grid;grid-template-columns:210px 1fr;gap:28px;align-items:start;padding:28px clamp(16px,4vw,48px) 60px;max-width:1400px;margin:0 auto}
.doc-toc{position:sticky;top:76px;max-height:calc(100vh - 96px);overflow-y:auto;padding:16px 0}
.doc-toc h4{font-family:'Orbitron',monospace;font-size:10px;text-transform:uppercase;letter-spacing:.2em;color:var(--cyan);margin-bottom:12px;font-weight:700;text-shadow:0 0 10px rgba(0,238,255,.2)}
.doc-toc ul{list-style:none;padding:0}
.doc-toc li{margin-bottom:1px}
.doc-toc a{display:block;padding:5px 10px;border-radius:4px;font-size:13px;color:var(--muted);text-decoration:none;transition:.15s;border-left:2px solid transparent}
.doc-toc a:hover{color:var(--cyan);background:rgba(0,238,255,.05)}
.doc-toc a.toc-h2{font-weight:600;color:var(--ink)}
.doc-toc a.toc-h3{padding-left:22px;font-size:12px}
.doc-card{min-width:0;background:var(--surface);border-radius:var(--radius);border:1px solid var(--line);padding:32px 32px 44px;box-shadow:var(--shadow);position:relative}
.doc-card::before{content:'';position:absolute;top:-1px;left:-1px;right:-1px;height:2px;background:linear-gradient(90deg,var(--purple),var(--cyan),var(--pink),var(--purple));background-size:200% 100%;animation:shimmer 4s linear infinite;border-radius:var(--radius) var(--radius) 0 0;opacity:.6}
@keyframes shimmer{0%{background-position:0% 0%}100%{background-position:200% 0%}}
.doc-card h1{font-size:30px;font-weight:900;letter-spacing:-.03em;margin:0 0 22px;padding-bottom:14px;border-bottom:1px solid var(--line);line-height:1.3;background:linear-gradient(135deg,#fff,var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.doc-card h2{font-size:23px;font-weight:800;margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--pink);letter-spacing:-.02em;line-height:1.35;color:#fff;text-shadow:0 0 20px rgba(255,45,149,.15)}
.doc-card h3{font-size:18px;font-weight:700;margin:28px 0 10px;color:var(--cyan);text-shadow:0 0 12px rgba(0,238,255,.12)}
.doc-card h4{font-size:15px;font-weight:700;margin:22px 0 8px;color:var(--gold)}
.doc-card p{margin:0 0 14px;font-size:14px;color:#dce1f2;line-height:1.75}
.doc-card ul,.doc-card ol{margin:0 0 14px;padding-left:20px}
.doc-card li{margin-bottom:5px;font-size:14px;color:#dce1f2;line-height:1.7}
.plain-note{margin:0 0 26px;padding:14px 18px;border:1px solid rgba(255,45,149,.2);border-radius:var(--radius-sm);background:rgba(255,45,149,.04);color:#f0dce8;font-size:14px;display:flex;align-items:flex-start;gap:10px;box-shadow:0 0 12px rgba(255,45,149,.05)}
.plain-note strong{color:var(--pink);white-space:nowrap;text-shadow:0 0 10px rgba(255,45,149,.3)}
.plain-note::before{content:'\2139';font-size:18px;color:var(--pink);flex-shrink:0;text-shadow:0 0 8px rgba(255,45,149,.3)}
blockquote{margin:14px 0;padding:12px 16px;border-left:3px solid var(--purple);background:rgba(180,77,255,.04);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--muted);font-size:14px}
blockquote p{margin:0;color:var(--muted)}
code{font-family:'JetBrains Mono','Fira Code','Cascadia Code',monospace;font-size:13px;background:rgba(0,238,255,.06);padding:2px 7px;border-radius:4px;color:var(--cyan);border:1px solid rgba(0,238,255,.12)}
pre{margin:14px 0;background:#0d0e1c;border:1px solid rgba(180,77,255,.15);border-radius:var(--radius-sm);padding:16px;overflow-x:auto;box-shadow:inset 0 0 30px rgba(0,0,0,.3)}
pre code{background:transparent;padding:0;border:none;color:var(--neon-green)}
.table-wrap{overflow-x:auto;margin:14px 0 22px;border-radius:var(--radius-sm);border:1px solid var(--line);box-shadow:0 0 16px rgba(0,0,0,.15)}
.table-wrap table{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}
.table-wrap thead{background:linear-gradient(135deg,#1a1c36,#12142a)}
.table-wrap th{padding:10px 14px;text-align:left;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--cyan);border-bottom:1px solid var(--line);white-space:nowrap;position:sticky;top:0;background:#1a1c36;text-shadow:0 0 8px rgba(0,238,255,.15)}
.table-wrap td{padding:9px 14px;border-bottom:1px solid var(--line-light);color:#d4d9ec;vertical-align:top;line-height:1.55;font-size:13px}
.table-wrap tbody tr{transition:background .15s}
.table-wrap tbody tr:nth-child(even){background:rgba(255,255,255,.015)}
.table-wrap tbody tr:hover{background:rgba(180,77,255,.04)}
.table-wrap tbody tr:last-child td{border-bottom:none}
.back-top{position:fixed;bottom:28px;right:28px;z-index:40;width:44px;height:44px;border-radius:8px;background:var(--surface2);border:1px solid var(--line);color:var(--muted);display:grid;place-items:center;cursor:pointer;text-decoration:none;transition:.25s;opacity:0;pointer-events:none;font-size:18px;box-shadow:var(--shadow)}
.back-top.visible{opacity:1;pointer-events:auto}
.back-top:hover{background:var(--surface3);color:var(--cyan);border-color:var(--cyan);transform:translateY(-3px);box-shadow:0 0 20px rgba(0,238,255,.2)}
@media(max-width:1100px){.doc-layout{grid-template-columns:1fr}.doc-toc{display:none}}
@media(max-width:1050px){.topbar{display:block}.top-tabs{margin-top:8px}.hero,.visual-strip{grid-template-columns:1fr}.hero{min-height:auto;padding-top:20px}.quick-stats{grid-template-columns:repeat(2,1fr)}.category-browser{grid-template-columns:1fr}.category-tabs{display:flex;overflow-x:auto;border-right:none;border-bottom:1px solid var(--line);flex-direction:row;padding-bottom:6px}.cat-tab{min-width:180px}.panel-head{display:block}.search{margin-top:12px;width:100%;min-width:auto}.doc-list{grid-template-columns:1fr}}
@media(max-width:620px){.doc-card{padding:18px 16px 24px;border-radius:var(--radius-sm)}.quick-stats{grid-template-columns:1fr}.hero h1{font-size:34px}.brand-text strong{font-size:15px}.brand-text small{font-size:10px}.doc-card h1{font-size:22px}.doc-card h2{font-size:18px;padding-left:10px}.doc-top{flex-wrap:wrap;gap:4px}.doc-top span{font-size:10px}.table-wrap th,.table-wrap td{padding:7px 10px;font-size:12px}.hero-actions{flex-direction:column}.button{width:100%;justify-content:center}}