/* Layout: การ์ดกระจกกลางหน้า ล้อมด้วยกรอบมองภาพกล้อง บนพื้นหลังออโรร่าและวงแหวนหมุน สีตามโลโก้ CTECH (ฟ้าอมเขียว + น้ำเงินเข้ม) */
:root{
  --bg1:#E3F8FE; --bg2:#F3FAFF; --bg3:#D3E4FF;
  --ink:#0B2A5B; --muted:#586C8A; --blue:#0E6BC8; --cyan:#12B5D6;
  --card:rgba(255,255,255,.74); --card-line:rgba(255,255,255,.95);
  --field:#EEF3FD; --field-line:#D3DFF3; --line:#C9D7EC;
  --err:#C0322B; --ok:#0E8F5F; --warn-bg:#FFF0CC; --warn-fg:#7A4B00;
  --glow:rgba(14,107,200,.22); --spot:rgba(255,255,255,.7); --track:rgba(14,107,200,.08);
  --blob1:#8FEAFF; --blob2:#A7C6FF; --blob3:#B6F3E2; --icon:#12B5D6;
  --btn-ink:#FFFFFF; --soft:#E3F6FB;
  --f-display:'Kanit','Noto Sans Thai',system-ui,sans-serif;
  --f-body:'Noto Sans Thai','IBM Plex Sans Thai',system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg1:#04111F; --bg2:#071A2E; --bg3:#0A2447;
  --ink:#EAF5FF; --muted:#8FA6C4; --blue:#4A9BFF; --cyan:#35D0EE;
  --card:rgba(10,26,46,.72); --card-line:rgba(120,190,255,.22);
  --field:rgba(255,255,255,.06); --field-line:#274764; --line:#24415F;
  --err:#FF8F86; --ok:#4CD6A0; --warn-bg:#3A2A08; --warn-fg:#F3C86B;
  --glow:rgba(53,208,238,.25); --spot:rgba(53,208,238,.14); --track:rgba(255,255,255,.06);
  --blob1:#0B6C8C; --blob2:#1B3F9A; --blob3:#0A6A5A; --icon:#35D0EE;
  --btn-ink:#04111F; --soft:#0F2A3F; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg1:#04111F; --bg2:#071A2E; --bg3:#0A2447;
  --ink:#EAF5FF; --muted:#8FA6C4; --blue:#4A9BFF; --cyan:#35D0EE;
  --card:rgba(10,26,46,.72); --card-line:rgba(120,190,255,.22);
  --field:rgba(255,255,255,.06); --field-line:#274764; --line:#24415F;
  --err:#FF8F86; --ok:#4CD6A0; --warn-bg:#3A2A08; --warn-fg:#F3C86B;
  --glow:rgba(53,208,238,.25); --spot:rgba(53,208,238,.14); --track:rgba(255,255,255,.06);
  --blob1:#0B6C8C; --blob2:#1B3F9A; --blob3:#0A6A5A; --icon:#35D0EE;
  --btn-ink:#04111F; --soft:#0F2A3F; color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background-color:var(--bg2);background-image:linear-gradient(135deg,var(--bg1),var(--bg2) 48%,var(--bg3));color:var(--ink);font:400 16px/1.6 var(--f-body);min-height:100dvh;overflow-x:hidden;position:relative}

/* พื้นหลัง */
.bg{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.75}
.b1{width:46vmax;height:46vmax;left:-14vmax;top:-16vmax;background:var(--blob1)}
.b2{width:40vmax;height:40vmax;right:-12vmax;bottom:-14vmax;background:var(--blob2)}
.b3{width:28vmax;height:28vmax;left:38%;top:55%;background:var(--blob3);opacity:.55}
.ring{position:absolute;color:var(--cyan)}
.r1{width:min(60vmax,640px);right:-14vmax;top:-18vmax;opacity:.55}
.r2{width:min(46vmax,480px);left:-10vmax;bottom:-14vmax;opacity:.45;color:var(--blue)}
.ring svg{display:block;width:100%;height:auto}
.fi{position:absolute;color:var(--icon);opacity:.42;width:44px;height:44px}
.fi svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.f1{left:9%;top:18%}.f2{right:10%;top:30%;width:52px;height:52px}.f3{left:14%;bottom:16%;width:38px;height:38px}.f4{right:15%;bottom:12%}.f5{left:44%;top:7%;width:34px;height:34px}
@media (prefers-reduced-motion:no-preference){
  .b1{animation:drift1 22s ease-in-out infinite alternate}
  .b2{animation:drift2 26s ease-in-out infinite alternate}
  .b3{animation:drift1 30s ease-in-out infinite alternate-reverse}
  .r1 svg{animation:spin 90s linear infinite}
  .r2 svg{animation:spin 120s linear infinite reverse}
  .fi{animation:float 7s ease-in-out infinite}
  .f2{animation-duration:9s;animation-delay:-2s}.f3{animation-duration:8s;animation-delay:-4s}.f4{animation-duration:10s;animation-delay:-1s}.f5{animation-duration:6s;animation-delay:-3s}
}
@keyframes drift1{to{transform:translate(8vmax,6vmax) scale(1.12)}}
@keyframes drift2{to{transform:translate(-7vmax,-5vmax) scale(1.1)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float{50%{transform:translateY(-16px) rotate(4deg)}}

/* เวที */
.stage{position:relative;z-index:1;min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding-block:clamp(20px,4vw,48px);padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.hud{display:flex;align-items:center;gap:14px;font:500 12px/1 var(--f-mono);letter-spacing:.06em;color:var(--muted);background:var(--card);border:1px solid var(--card-line);border-radius:999px;padding:9px 16px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);max-width:100%}
.hud span{display:flex;align-items:center;gap:7px;white-space:nowrap}
.rec{width:8px;height:8px;border-radius:50%;background:#FF4D4D;box-shadow:0 0 0 0 rgba(255,77,77,.6)}
@media (prefers-reduced-motion:no-preference){.rec{animation:rec 1.6s ease-out infinite}}
@keyframes rec{0%{box-shadow:0 0 0 0 rgba(255,77,77,.6)}100%{box-shadow:0 0 0 9px rgba(255,77,77,0)}}

.cardwrap{position:relative;width:100%;max-width:500px;min-width:0;transform:perspective(1100px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .18s ease-out}
.cardwrap>i{position:absolute;width:26px;height:26px;border:2.5px solid var(--cyan);z-index:3;pointer-events:none;border-radius:3px}
.cardwrap>i:nth-of-type(1){top:-10px;left:-10px;border-right:0;border-bottom:0}
.cardwrap>i:nth-of-type(2){top:-10px;right:-10px;border-left:0;border-bottom:0}
.cardwrap>i:nth-of-type(3){bottom:-10px;left:-10px;border-right:0;border-top:0}
.cardwrap>i:nth-of-type(4){bottom:-10px;right:-10px;border-left:0;border-top:0}
.card{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--card-line);border-radius:26px;padding:clamp(22px,5vw,38px);backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);box-shadow:0 30px 70px -20px var(--glow),0 2px 0 var(--card-line) inset}
.card:after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(320px circle at var(--mx,50%) var(--my,0%),var(--spot),transparent 65%)}
.scan{position:absolute;left:0;right:0;top:0;height:2px;pointer-events:none;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.7;z-index:2}
@media (prefers-reduced-motion:no-preference){
  .scan{animation:scan 5s linear infinite}
  .cardwrap{animation:rise .8s cubic-bezier(.2,.8,.2,1) both}
  .cardwrap>i{animation:corner 3s ease-in-out infinite}
  .hud{animation:rise .8s .1s cubic-bezier(.2,.8,.2,1) both}
  .stg>*{animation:rise .7s calc(.15s + var(--i,0)*.07s) cubic-bezier(.2,.8,.2,1) both}
  .view:not([hidden]){animation:swap .45s cubic-bezier(.2,.8,.2,1)}
}
@keyframes scan{0%{top:-2px;opacity:0}8%{opacity:.8}92%{opacity:.8}100%{top:100%;opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(22px) scale(.98)}}
@keyframes corner{50%{transform:scale(1.18);opacity:.55}}
@keyframes swap{from{opacity:0;transform:translateX(14px)}}

/* หัวการ์ด */
.head{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:22px;position:relative;z-index:1}
.logo{position:relative;width:78px;height:78px;border-radius:20px;background:#fff;display:grid;place-items:center;box-shadow:0 12px 28px -8px var(--glow);margin-bottom:16px}
.logo img{width:62px;height:62px;object-fit:contain}
.logo:before{content:"";position:absolute;inset:-6px;border-radius:26px;border:2px solid var(--cyan);opacity:.0}
@media (prefers-reduced-motion:no-preference){.logo:before{animation:ping 2.8s ease-out infinite}}
@keyframes ping{0%{transform:scale(.92);opacity:.7}100%{transform:scale(1.35);opacity:0}}
.eyebrow{font:500 12px/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--blue)}
.head h1{margin:10px 0 4px;font:600 clamp(26px,6vw,34px)/1.2 var(--f-display);text-wrap:balance;background:linear-gradient(100deg,var(--ink),var(--blue) 55%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%}
@media (prefers-reduced-motion:no-preference){.head h1{animation:shimmer 7s ease-in-out infinite alternate}}
@keyframes shimmer{to{background-position:100% 0}}
.head p{margin:0;color:var(--muted);font-size:15px}

/* แท็บ */
.tabs{position:relative;display:grid;grid-template-columns:1fr 1fr;background:var(--track);border-radius:14px;padding:4px;margin-bottom:22px;z-index:1}
.thumb{position:absolute;top:4px;bottom:4px;left:4px;width:calc(50% - 4px);border-radius:11px;background:linear-gradient(100deg,var(--blue),var(--cyan));box-shadow:0 8px 18px -6px var(--glow);transition:transform .35s cubic-bezier(.3,1.3,.5,1)}
.tabs[data-on="register"] .thumb{transform:translateX(100%)}
.tabs button{position:relative;z-index:1;font:500 15px/1 var(--f-body);padding:13px 8px;background:none;border:0;color:var(--muted);cursor:pointer;transition:color .25s}
.tabs button[aria-selected="true"]{color:var(--btn-ink)}

h2{margin:0 0 4px;font:600 22px/1.3 var(--f-display);text-wrap:balance;position:relative;z-index:1}
.lead{margin:0 0 18px;color:var(--muted);position:relative;z-index:1}
form{display:flex;flex-direction:column;gap:16px;position:relative;z-index:1}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
label,.legend{font-weight:500;font-size:14px;color:var(--ink)}
input,select{font:400 16px/1.4 var(--f-body);color:var(--ink);background-color:var(--field);border:1.5px solid var(--field-line);border-radius:12px;padding:12px 14px;width:100%;min-width:0;transition:border-color .2s,box-shadow .2s,background-color .2s}
input::placeholder{color:var(--muted);opacity:.6}
input:hover,select:hover{border-color:var(--cyan)}
input:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px var(--glow)}
input[aria-invalid="true"],select[aria-invalid="true"],.zones[aria-invalid="true"]{border-color:var(--err)}
.ic{padding-left:44px;background-repeat:no-repeat;background-position:14px center;background-size:18px}
.i-mail{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300A4C8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='3'/%3E%3Cpath d='m4 7 8 6 8-6'/%3E%3C/svg%3E")}
.i-lock{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300A4C8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='5' y='11' width='14' height='9' rx='3'/%3E%3Cpath d='M8 11V8a4 4 0 0 1 8 0v3'/%3E%3C/svg%3E")}
.i-user{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300A4C8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='8' r='4'/%3E%3Cpath d='M4 20c1-4 4-6 8-6s7 2 8 6'/%3E%3C/svg%3E")}
.i-phone{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300A4C8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='7' y='3' width='10' height='18' rx='3'/%3E%3Cpath d='M11 18h2'/%3E%3C/svg%3E")}
.i-team{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300A4C8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='9' cy='9' r='3'/%3E%3Ccircle cx='17' cy='10' r='2.4'/%3E%3Cpath d='M3 19c.6-3 3-5 6-5s5.4 2 6 5M16 15c2.5 0 4.2 1.5 5 4'/%3E%3C/svg%3E")}
select.ic{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300A4C8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='9' cy='9' r='3'/%3E%3Ccircle cx='17' cy='10' r='2.4'/%3E%3Cpath d='M3 19c.6-3 3-5 6-5s5.4 2 6 5M16 15c2.5 0 4.2 1.5 5 4'/%3E%3C/svg%3E"),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300A4C8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:14px center,right 12px center;background-size:18px,16px;background-repeat:no-repeat}
.err{color:var(--err);font-size:13px}
.err:empty{display:none}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pw{position:relative}
.pw input{padding-right:68px}
.pw button{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--blue);font:500 13px var(--f-body);padding:8px;cursor:pointer}

.btn{position:relative;overflow:hidden;font:600 16px/1 var(--f-display);letter-spacing:.02em;background:linear-gradient(100deg,var(--blue),var(--cyan),var(--blue));background-size:200% 100%;color:var(--btn-ink);border:0;border-radius:14px;padding:16px;cursor:pointer;box-shadow:0 14px 28px -10px var(--glow);transition:transform .2s,box-shadow .2s,background-position .6s;display:flex;align-items:center;justify-content:center;gap:10px}
.btn:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 18px 34px -10px var(--glow)}
.btn:active{transform:translateY(0) scale(.98)}
.btn:after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg)}
@media (prefers-reduced-motion:no-preference){.btn:after{animation:shine 3.6s ease-in-out infinite}.btn .ar{transition:transform .25s}.btn:hover .ar{transform:translateX(5px)}}
@keyframes shine{0%{left:-60%}45%,100%{left:130%}}
.btn.ghost{background:none;color:var(--ink);border:1.5px solid var(--field-line);box-shadow:none}
.btn.ghost:after{display:none}
.link{background:none;border:0;color:var(--blue);font:500 14px var(--f-body);padding:4px 0;cursor:pointer;text-align:left}
.link:hover{text-decoration:underline}
button:focus-visible,summary:focus-visible,.chk:has(input:focus-visible){outline:2px solid var(--blue);outline-offset:2px}
.hint{font-size:13px;color:var(--muted);margin:0}
.demo{margin-top:20px;padding:12px 14px;border:1.5px dashed var(--field-line);border-radius:14px;font-size:13px;color:var(--muted);position:relative;z-index:1}
.demo code{font-family:var(--f-mono);color:var(--ink);font-size:12.5px;overflow-wrap:anywhere}

/* โซน */
.zones{border:1.5px solid var(--field-line);border-radius:14px;background:var(--field);max-height:300px;overflow-y:auto}
.region{border-bottom:1px solid var(--field-line)}.region:last-child{border-bottom:0}
.region summary{display:flex;align-items:center;gap:10px;padding:11px 14px;cursor:pointer;list-style:none}
.region summary::-webkit-details-marker{display:none}
.region summary .nm{flex:1;font-weight:500}
.region summary .ct{font:400 12px var(--f-mono);color:var(--muted)}
.region summary:after{content:"";width:8px;height:8px;border-right:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(45deg);transition:transform .25s;margin:0 4px 3px}
.region[open] summary:after{transform:rotate(-135deg);margin-top:5px}
.region input[type=checkbox]{width:18px;height:18px;padding:0;accent-color:var(--blue);box-shadow:none}
.prov{display:flex;flex-wrap:wrap;gap:8px;padding:2px 14px 14px}
.chk{position:relative;display:inline-flex;align-items:center;font-weight:400;font-size:14px;border:1.5px solid var(--field-line);border-radius:999px;padding:6px 14px;cursor:pointer;background:var(--card);transition:all .2s}
.chk input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.chk:hover{border-color:var(--cyan)}
.chk:has(input:checked){background:linear-gradient(100deg,var(--blue),var(--cyan));border-color:transparent;color:var(--btn-ink);font-weight:500}
.sum{font-size:13px;color:var(--muted);min-height:20px}
.sum b{color:var(--ink);font-weight:500}

/* สถานะ */
.pill{display:inline-block;font:500 13px/1 var(--f-body);padding:7px 12px;border-radius:999px;background:var(--warn-bg);color:var(--warn-fg)}
.pill.ok{background:var(--soft);color:var(--ok)}
.state{display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;z-index:1}
.state .lead{max-width:34ch}
.badge{width:84px;height:84px;margin-bottom:14px}
.badge svg{width:100%;height:100%}
.badge .tr{fill:none;stroke:var(--field-line);stroke-width:5}
.badge .ck{fill:none;stroke:var(--ok);stroke-width:5;stroke-linecap:round;stroke-linejoin:round}
.badge .wt{fill:none;stroke:#F2A400;stroke-width:5;stroke-linecap:round}
@media (prefers-reduced-motion:no-preference){
  .badge .ck{stroke-dasharray:220;stroke-dashoffset:220;animation:draw .9s .1s ease-out forwards}
  .badge .wt{transform-origin:50px 50px;animation:spin 1.8s linear infinite}
}
@keyframes draw{to{stroke-dashoffset:0}}
dl{margin:16px 0 20px;display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:15px;text-align:left;width:100%;background:var(--track);border-radius:14px;padding:14px 16px}
dt{color:var(--muted)}dd{margin:0;min-width:0;overflow-wrap:anywhere;font-weight:500}
.stack{display:flex;flex-direction:column;gap:10px;width:100%}
.foot{margin:4px 0 0;font-size:12.5px;color:var(--muted);text-align:center;position:relative}
@media (max-width:480px){.row2{grid-template-columns:1fr}.fi{display:none}.hud{font-size:11px;gap:10px;padding:8px 12px}}
[hidden]{display:none!important}

/* ยืนยันใบหน้าตอนสมัคร */
.facef .facebox{position:relative;width:min(260px,70vw);aspect-ratio:1;margin:6px auto 12px;border-radius:50%;overflow:hidden;background:var(--field,#EEF3FD);border:2px solid var(--field-line,#D3DFF3)}
.facef video,.facef img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none}
.facef video{transform:scaleX(-1)}
.facef img{display:block}
.facef img[hidden]{display:none}
.facef .fring{position:absolute;inset:0;border-radius:50%;box-shadow:inset 0 0 0 4px rgba(18,181,214,.55);pointer-events:none}
.facef .fph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;color:#586C8A;font-size:14px}
.facef .fbtn{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.facef .btn2{border:1.5px solid var(--field-line,#D3DFF3);background:var(--solid,#fff);color:inherit;border-radius:12px;padding:10px 14px;font:500 14px/1 inherit;cursor:pointer}
.facef .btn2[hidden]{display:none}
.facef .btn2.go{background:linear-gradient(100deg,#0E6BC8,#12B5D6);color:#fff;border-color:transparent}

.logo.wide{width:auto;height:auto;padding:10px 16px;border-radius:18px}.logo.wide img{width:auto;height:64px}