/* SetBio site UI - monochrome glow */
:root{
  --bg:#000; --fg:#fff; --mut:#9a9a9a; --mut2:#6b6b6b; --line:rgba(255,255,255,.14); --line2:rgba(255,255,255,.28);
  --panel:rgba(255,255,255,.045); --glow:rgba(255,255,255,.55);
  --font:"Segoe UI",system-ui,-apple-system,"Leelawadee UI","Noto Sans Thai",Tahoma,sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth;color-scheme:dark;scrollbar-color:rgba(255,255,255,.22) #000}
body.site{background:var(--bg);color:var(--fg);font-family:var(--font);min-height:100vh;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:#fff;color:#000}

/* ---------- background ---------- */
#sbfx{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.orb{position:fixed;z-index:0;pointer-events:none;width:900px;height:900px;left:50%;top:-420px;margin-left:-450px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),rgba(255,255,255,.04) 40%,transparent 68%);filter:blur(10px);animation:orb 12s ease-in-out infinite}
@keyframes orb{50%{transform:translateY(40px) scale(1.06);opacity:.8}}
.gridbg{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.35;
  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:56px 56px;-webkit-mask:radial-gradient(ellipse at 50% 20%,#000 10%,transparent 70%);mask:radial-gradient(ellipse at 50% 20%,#000 10%,transparent 70%)}
.wrap{position:relative;z-index:2}

/* ---------- glass ---------- */
.glass{position:relative;background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 10px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.12)}
.glass::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(300px circle at var(--mx,50%) var(--my,-30%),rgba(255,255,255,.12),transparent 60%);opacity:var(--lo,.5);transition:opacity .3s}
.glass.lit::after{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;pointer-events:none;
  background:radial-gradient(200px circle at var(--mx,50%) var(--my,-30%),rgba(255,255,255,.9),transparent 65%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);mask-composite:exclude;opacity:var(--bo,.3);transition:opacity .3s}
.glass:hover{--lo:1;--bo:1}
.glass>*{position:relative}

/* ---------- logo ---------- */
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:22px;letter-spacing:.02em}
.logo .mk{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;position:relative;font-size:17px;font-weight:900}
.logo .mk::before{content:"";position:absolute;inset:-2px;border-radius:50%;background:conic-gradient(#fff,#222 25%,#fff 50%,#222 75%,#fff);animation:spin 5s linear infinite;filter:drop-shadow(0 0 8px var(--glow))}
.logo .mk::after{content:"";position:absolute;inset:0;border-radius:50%;background:#000}
.logo .mk b{position:relative;z-index:1;text-shadow:0 0 10px #fff}
.logo .w{text-shadow:0 0 18px rgba(255,255,255,.45)}
.logo .w i{font-style:normal;font-weight:300;opacity:.8}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- buttons ---------- */
.kbtn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;text-decoration:none;
  padding:13px 22px;border-radius:14px;font-weight:700;font-size:15px;letter-spacing:.02em;white-space:nowrap;overflow:hidden;
  background:#fff;color:#000;box-shadow:0 0 0 1px #fff,0 0 26px rgba(255,255,255,.35);
  transition:transform .2s var(--ease),box-shadow .3s,background .3s,opacity .2s}
.kbtn:hover{transform:translateY(-2px);box-shadow:0 0 0 1px #fff,0 0 44px rgba(255,255,255,.6)}
.kbtn:active{transform:scale(.97)}
.kbtn:disabled{opacity:.5;cursor:default;transform:none}
.kbtn.ghost{background:rgba(255,255,255,.04);color:#fff;box-shadow:inset 0 0 0 1px var(--line2)}
.kbtn.ghost:hover{background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.6),0 0 24px rgba(255,255,255,.15)}
.kbtn.danger{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35)}
.kbtn.danger:hover{background:#fff;color:#000}
.kbtn.sm{padding:9px 14px;font-size:13px;border-radius:11px}
.kbtn.lg{padding:17px 30px;font-size:17px;border-radius:16px}
.kbtn .arr{transition:transform .25s}
.kbtn:hover .arr{transform:translateX(4px)}
.kbtn .rip{position:absolute;border-radius:50%;background:currentColor;opacity:.25;transform:scale(0);animation:rip .6s ease-out forwards;pointer-events:none}
@keyframes rip{to{transform:scale(1);opacity:0}}
.kbtn.loading{color:transparent!important}
.kbtn.loading::after{content:"";position:absolute;width:18px;height:18px;border-radius:50%;border:2px solid #000;border-right-color:transparent;animation:spin .7s linear infinite}
.kbtn.ghost.loading::after{border-color:#fff;border-right-color:transparent}

.icon-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;cursor:pointer;padding:0;border:1px solid var(--line)}
.icon-btn svg{width:19px;height:19px}
.icon-btn .x{display:none}
.icon-btn.off .w{display:none}
.icon-btn.off .x{display:block}
:focus-visible{outline:2px solid #fff;outline-offset:2px}

/* ---------- form controls ---------- */
.field{display:flex;flex-direction:column;gap:7px}
.field>label,.lbl{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--mut)}
.lbl small,.field>label small{text-transform:none;letter-spacing:0;font-weight:400;color:var(--mut2);margin-left:6px}
.inp{width:100%;background:rgba(0,0,0,.45);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:15px;outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s}
.inp::placeholder{color:#555}
.inp:hover{border-color:var(--line2)}
.inp:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.12),0 0 24px rgba(255,255,255,.12);background:rgba(0,0,0,.7)}
textarea.inp{resize:vertical;min-height:84px;line-height:1.55}
.inp.bad{border-color:rgba(255,255,255,.6);border-style:dashed}
.prefix{display:flex;align-items:stretch;background:rgba(0,0,0,.45);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.prefix:focus-within{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.12)}
.prefix span{display:flex;align-items:center;padding:0 2px 0 14px;color:var(--mut);font-size:15px;white-space:nowrap}
.prefix input{flex:1;min-width:0;background:none;border:0;outline:none;padding:12px 14px 12px 2px;font-size:15px}
.hint{font-size:12.5px;color:var(--mut2);min-height:1.2em;transition:color .2s}
.hint.ok{color:#fff}
.hint.ok::before{content:"✓ "}
.hint.err{color:#cfcfcf}
.hint.err::before{content:"✕ "}

/* toggle switch */
.tog{display:flex;align-items:center;gap:14px;cursor:pointer;padding:12px 14px;border-radius:14px;border:1px solid transparent;transition:background .2s,border-color .2s}
.tog:hover{background:rgba(255,255,255,.04);border-color:var(--line)}
.tog input{position:absolute;opacity:0;pointer-events:none}
.tog i{flex:none;position:relative;width:42px;height:24px;border-radius:99px;background:rgba(255,255,255,.12);border:1px solid var(--line2);transition:background .25s,box-shadow .25s}
.tog i::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#888;transition:transform .3s var(--ease),background .25s,box-shadow .25s}
.tog input:checked+i{background:#fff;box-shadow:0 0 16px rgba(255,255,255,.45)}
.tog input:checked+i::after{transform:translateX(18px);background:#000}
.tog input:focus-visible+i{outline:2px solid #fff;outline-offset:2px}
.tog span{display:flex;flex-direction:column;gap:2px;min-width:0}
.tog b{font-size:14.5px;font-weight:600}
.tog small{font-size:12.5px;color:var(--mut2)}

/* segmented control */
.seg{display:flex;gap:4px;padding:4px;border-radius:14px;background:rgba(0,0,0,.45);border:1px solid var(--line)}
.seg button{flex:1;white-space:nowrap;border:0;background:none;padding:9px 10px;border-radius:10px;cursor:pointer;font-size:13.5px;font-weight:600;color:var(--mut);transition:all .25s var(--ease)}
.seg button:hover{color:#fff;background:rgba(255,255,255,.06)}
.seg button.on{background:#fff;color:#000;box-shadow:0 0 16px rgba(255,255,255,.4)}

/* range */
.rng{display:flex;align-items:center;gap:12px}
.rng output{min-width:44px;text-align:right;font-size:13px;color:var(--mut);font-variant-numeric:tabular-nums}
input[type=range]{-webkit-appearance:none;appearance:none;flex:1;height:4px;border-radius:4px;outline:none;cursor:pointer;
  background:linear-gradient(90deg,#fff var(--p,50%),rgba(255,255,255,.15) var(--p,50%))}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.12),0 0 14px rgba(255,255,255,.6);transition:transform .2s}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 14px rgba(255,255,255,.6)}

/* ---------- toast ---------- */
#toasts{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:max-content;max-width:calc(100vw - 32px)}
.toast{padding:12px 18px;border-radius:14px;font-size:14px;font-weight:600;background:rgba(15,15,15,.92);border:1px solid var(--line2);
  box-shadow:0 10px 40px rgba(0,0,0,.6),0 0 24px rgba(255,255,255,.1);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  animation:tin .4s var(--ease) both}
.toast.ok{background:#fff;color:#000;box-shadow:0 0 30px rgba(255,255,255,.4)}
.toast.out{animation:tout .3s ease forwards}
@keyframes tin{from{opacity:0;transform:translateY(14px) scale(.96)}}
@keyframes tout{to{opacity:0;transform:translateY(8px)}}

/* ---------- plans / pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.plan{display:flex;flex-direction:column;padding:30px 26px 26px;border-radius:26px;transition:transform .4s var(--ease),box-shadow .4s}
.plan:hover{transform:translateY(-6px)}
.plan .pn{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--mut)}
.plan .price{display:flex;align-items:baseline;gap:6px;margin:16px 0 4px;font-variant-numeric:tabular-nums}
.plan .price b{font-size:54px;font-weight:900;letter-spacing:-.03em;line-height:1}
.plan .price span{font-size:15px;color:var(--mut)}
.plan .per{font-size:13.5px;color:var(--mut2);min-height:1.5em}
.plan ul{list-style:none;display:flex;flex-direction:column;gap:11px;margin:22px 0 26px;flex:1}
.plan li{position:relative;padding-left:30px;font-size:14.5px;line-height:1.45;color:#d8d8d8}
.plan li::before{content:"✓";position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:900;background:#fff;color:#000}
.plan li.no{color:#6d6d6d}
.plan li.no::before{content:"✕";background:transparent;color:#666;box-shadow:inset 0 0 0 1px #444}
.plan .kbtn{width:100%}
.plan.hot{background:linear-gradient(160deg,rgba(255,255,255,.16),rgba(255,255,255,.04) 55%);border-color:rgba(255,255,255,.55);
  box-shadow:0 0 0 1px rgba(255,255,255,.35),0 20px 70px rgba(0,0,0,.6),0 0 70px rgba(255,255,255,.14)}
.plan.hot .price b{text-shadow:0 0 30px rgba(255,255,255,.45)}
.tagpill{font-size:11px;font-weight:800;letter-spacing:.12em;padding:5px 10px;border-radius:99px;background:#fff;color:#000;box-shadow:0 0 18px rgba(255,255,255,.5);white-space:nowrap}
.tagpill.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px var(--line2)}
.save-note{display:inline-block;margin-left:4px;font-size:12px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.4)}
@media (max-width:960px){ .plans{grid-template-columns:1fr;max-width:480px;margin-left:auto;margin-right:auto} }

/* PRO badge + locks */
.probadge{display:inline-flex;align-items:center;gap:4px;font-size:10px;font-weight:900;letter-spacing:.14em;padding:3px 7px 3px 6px;border-radius:99px;
  background:#fff;color:#000;box-shadow:0 0 12px rgba(255,255,255,.45);vertical-align:middle;line-height:1;white-space:nowrap}
.probadge svg{width:10px;height:10px}

/* modal */
.kmodal{position:fixed;inset:0;z-index:250;display:grid;place-items:center;padding:20px;background:rgba(0,0,0,.72);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fadeIn .3s ease}
.kmodal[hidden]{display:none}
.kmodal .mbox{width:100%;max-width:440px;padding:30px 26px 24px;border-radius:26px;text-align:center;animation:cin .45s var(--ease)}
.kmodal .mbox h3{font-size:22px;font-weight:800;margin:14px 0 8px}
.kmodal .mbox p{color:var(--mut);font-size:14.5px;line-height:1.65}
.kmodal .mbox .row{display:flex;gap:10px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.kmodal .crown{width:64px;height:64px;margin:0 auto;border-radius:20px;display:grid;place-items:center;background:#fff;color:#000;box-shadow:0 0 40px rgba(255,255,255,.5)}
.kmodal .crown svg{width:32px;height:32px}
@keyframes fadeIn{from{opacity:0}}
@keyframes cin{from{opacity:0;transform:translateY(20px) scale(.97)}}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){ .orb,.logo .mk::before{animation:none} .rv{opacity:1;transform:none} }