/* IINTERNITY — shared styles (light champagne-gold theme) */
:root{
  --bg:#F6EADA; --bg2:#EFDDBF; --card:#FFF8EE; --card2:#F8EEDF;
  --line:#E3C79C; --line2:#D6B484;
  --ink:#2A1709; --ink2:#4A2E18; --muted:#6B4A2B; --bronze:#8B5A2B; --goldtxt:#7A4A1C;
  --gold:#F0CF8E; --gold2:#C48A3F; --dark:#3A2312; --dark2:#4A2E18;
  --ok:#15803D; --err:#B91C1C;
  --r:18px; --pill:999px;
  --sans:'Noto Sans Thai',system-ui,-apple-system,'Segoe UI',sans-serif;
  --serif:'Noto Serif Thai',Georgia,serif;
  --display:'Cinzel',Georgia,serif;
  --word:'Lato','Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--goldtxt)}a:hover{color:var(--ink2)}
h1,h2,h3{line-height:1.25;margin:0}
.glow{background-image:radial-gradient(ellipse at 12% 0%,rgba(240,207,142,.55),transparent 55%),radial-gradient(ellipse at 92% 100%,rgba(212,163,90,.30),transparent 60%)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.word b{font-weight:900}.word span{font-weight:300}
.word{font-family:var(--word);letter-spacing:.05em;color:inherit;text-decoration:none}
.eyebrow{font-family:var(--display);font-size:13px;letter-spacing:.2em;color:var(--bronze);margin:0 0 8px}
.h2{font-family:var(--serif);font-weight:600;font-size:clamp(26px,4vw,34px);color:var(--ink)}
.muted{color:var(--muted)}
section.block{padding:72px 0 8px}
section.block:last-of-type{padding-bottom:72px}

/* buttons & inputs */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 26px;border-radius:var(--pill);border:1px solid transparent;font:600 16px/1 var(--sans);text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:active{transform:translateY(1px)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold2));color:var(--ink);box-shadow:0 6px 18px rgba(196,138,63,.28)}
.btn-gold:hover{color:var(--ink);box-shadow:0 8px 24px rgba(196,138,63,.38)}
.btn-line{background:transparent;border-color:var(--line2);color:var(--ink)}
.btn-line:hover{background:var(--card);color:var(--ink)}
.btn-ghost-light{background:transparent;border-color:rgba(240,207,142,.6);color:#F5E9D8}
.btn-ghost-light:hover{color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{min-height:44px;padding:0 16px;font-size:15px}
.btn-block{width:100%}
.btn[disabled]{opacity:.6;cursor:wait}
.btn-danger{background:transparent;border-color:#E8B4B4;color:var(--err)}
label{font-size:15px;font-weight:500;color:var(--ink2)}
.input,select.input,textarea.input{width:100%;min-height:48px;padding:10px 14px;border-radius:12px;border:1px solid var(--line2);background:#FFFDF8;color:var(--ink);font:16px/1.5 var(--sans)}
textarea.input{min-height:96px;resize:vertical}
.input:focus,.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(196,138,63,.45);outline-offset:2px}
.field{display:flex;flex-direction:column;gap:6px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.notice{padding:14px 16px;border-radius:12px;background:var(--card2);border:1px solid var(--line);color:var(--ink2)}
.notice.ok{border-color:#9ED7B3;background:#EEF8F1;color:#14532D}
.notice.err{border-color:#E8B4B4;background:#FDF1F1;color:#7F1D1D}

/* site header */
.topbar{position:absolute;inset:0 0 auto 0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;color:#F5E9D8}
.topbar.solid{position:sticky;top:0;background:rgba(246,234,218,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);color:var(--ink)}
.topbar .left,.topbar .right{display:flex;align-items:center;gap:8px}
.iconbtn{width:44px;height:44px;border:0;background:transparent;color:inherit;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;cursor:pointer}
.iconbtn:hover{background:rgba(255,255,255,.1)}
.topbar .word{font-size:21px}
.drawer{position:fixed;inset:0;z-index:50;display:none}
.drawer.open{display:block}
.drawer .scrim{position:absolute;inset:0;background:rgba(26,15,7,.45)}
.drawer nav{position:absolute;inset:0 auto 0 0;width:min(320px,86vw);background:var(--card);padding:20px;display:flex;flex-direction:column;gap:4px;box-shadow:0 10px 40px rgba(0,0,0,.25)}
.drawer nav a{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:12px;color:var(--ink);text-decoration:none;font-size:17px}
.drawer nav a:hover{background:var(--bg)}
.searchbar{position:fixed;inset:0 0 auto 0;z-index:40;background:var(--card);border-bottom:1px solid var(--line);padding:14px 20px;display:none}
.searchbar.open{display:block}

/* hero */
.hero{position:relative;min-height:min(92vh,780px);display:flex;flex-direction:column;justify-content:flex-end;align-items:center;text-align:center;padding:120px 20px 72px;color:#fff;background-color:#2A1709;background-size:cover;background-position:center 30%}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,15,7,.45) 0%,rgba(26,15,7,.3) 40%,rgba(26,15,7,.8) 100%)}
.hero>*{position:relative}
.hero h1{font-family:var(--word);font-size:clamp(46px,10vw,92px);line-height:1;letter-spacing:.04em}
.hero h1 b{font-weight:900}.hero h1 span{font-weight:300}
.hero .tagline{margin:16px 0 0;font-family:var(--display);font-size:clamp(12px,2vw,16px);letter-spacing:.22em;color:var(--gold)}
.hero .sub{margin:20px auto 28px;max-width:620px;font-size:clamp(16px,2.2vw,18px);color:#F1E4D0}
.hero .actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}

/* grids */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid-books{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:22px}
.grid-apps{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.step .num{font-family:var(--display);font-size:30px;color:var(--bronze);margin:0 0 10px}
.step h3{font-size:20px;margin:0 0 6px}
.sechead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:28px}

/* books */
.book{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit}
.cover{position:relative;aspect-ratio:2/3;border-radius:10px;overflow:hidden;border:1px solid var(--bronze);background:linear-gradient(160deg,#3B2210,#1A0F07);color:var(--gold);display:flex;align-items:flex-end;padding:14px;font-family:var(--display);box-shadow:0 10px 24px rgba(74,46,24,.18)}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.book h3{font-size:16px}
.book p{margin:0;font-size:14px;color:var(--muted)}
.book:hover .cover{transform:translateY(-2px);transition:transform .2s}

/* apps */
.appcard{display:flex;gap:16px;align-items:flex-start}
.appicon{width:48px;height:48px;flex:none;border-radius:14px;background:var(--bg2);display:flex;align-items:center;justify-content:center;color:var(--bronze)}
.appcard h3{font-size:18px;margin:0 0 4px}

/* pricing */
.price-frame{border-radius:28px;padding:2px;background:linear-gradient(135deg,var(--gold),var(--bronze) 45%,var(--gold2))}
.price{background:var(--dark);color:#F5E9D8;border-radius:26px;padding:clamp(24px,5vw,48px);display:flex;flex-wrap:wrap;gap:36px;align-items:center}
.price>div{flex:1 1 320px;min-width:0}
.price .eyebrow{color:#D4A35A;margin:0}
.price .emblem{width:72px;height:72px;border-radius:50%;object-fit:cover}
.price .was{margin:18px 0 0;font-size:18px;color:#D9C4A6}
.price .now{font-family:var(--word);font-weight:900;font-size:clamp(48px,8vw,64px);line-height:1.1;color:var(--gold)}
.price .now small{font-family:var(--sans);font-weight:400;font-size:22px;color:#E9DAC4}
.price .save{display:inline-block;margin:8px 0 22px;padding:6px 14px;border-radius:var(--pill);background:#5A3A1E;color:var(--gold);font-weight:600;font-size:15px}
.price ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.price li{display:flex;gap:10px;align-items:flex-start}
.price li svg{flex:none;margin-top:4px}
.paybox{background:var(--dark2);border:1px solid #6B4524;border-radius:20px;padding:26px;display:flex;flex-direction:column;gap:12px}
.paybox label{color:#E9DAC4}
.paybox .input{background:#2A1709;border-color:#8B5A2B;color:#fff}
.paybox .fine{margin:0;font-size:13px;color:#D9C4A6;text-align:center}

/* faq */
details.faq{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 22px;margin-bottom:12px}
details.faq summary{font-weight:600;font-size:17px;cursor:pointer;list-style-position:outside}
details.faq p{margin:10px 0 0;color:var(--muted)}

/* rich text / media blocks */
.prose p{margin:0 0 14px}
.prose img{border-radius:16px}
.video{position:relative;aspect-ratio:16/9;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:24px}
footer.site .wrap{padding:28px 20px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;font-size:14px;color:var(--muted)}
footer.site nav{display:flex;flex-wrap:wrap;gap:18px}

/* book page */
.bookpage{display:flex;flex-wrap:wrap;gap:40px;padding:48px 0 72px}
.bookpage .cover{flex:0 0 260px;max-width:100%}
.bookpage .info{flex:1 1 360px;min-width:0}

/* member area */
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--pill);background:var(--bg2);border:1px solid var(--line);font-size:14px;color:var(--ink2)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--gold2)}
.tabs{display:flex;gap:4px;background:var(--card);border:1px solid var(--line);padding:4px;border-radius:var(--pill)}
.tabs button{min-height:44px;padding:0 22px;border:0;border-radius:var(--pill);background:transparent;color:var(--ink2);font:600 15px var(--sans);cursor:pointer}
.tabs button[aria-selected="true"]{background:linear-gradient(135deg,var(--gold),var(--gold2));color:var(--ink)}
.progress{height:8px;border-radius:4px;background:var(--bg2);overflow:hidden}
.progress>i{display:block;height:100%;background:linear-gradient(90deg,var(--gold2),var(--gold))}
.empty{padding:40px 20px;text-align:center;color:var(--muted)}
.skeleton{background:linear-gradient(90deg,var(--bg2),var(--card),var(--bg2));background-size:200% 100%;animation:sk 1.2s infinite;border-radius:10px}
@keyframes sk{to{background-position:-200% 0}}

/* reader & app frame */
.readerbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 12px;background:rgba(246,234,218,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.readerbar h1{font-family:var(--serif);font-size:16px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#pages{display:flex;flex-direction:column;align-items:center;gap:14px;padding:16px 8px 80px}
#pages .pg{width:100%;max-width:900px;background:#fff;box-shadow:0 4px 18px rgba(74,46,24,.15);border-radius:4px;position:relative}
#pages canvas{width:100%;height:auto;display:block;border-radius:4px}
.appframe{position:fixed;inset:52px 0 0 0;width:100%;height:calc(100% - 52px);border:0;background:#fff}

/* toast */
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:100;background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-size:15px;box-shadow:0 10px 30px rgba(0,0,0,.25);display:none;max-width:90vw}
#toast.show{display:block}

/* admin */
.admin{display:flex;flex-wrap:wrap;min-height:100vh}
.admin>nav{flex:1 1 230px;background:var(--bg2);border-right:1px solid var(--line);padding:20px 14px;display:flex;flex-direction:column;gap:4px}
.admin>nav button{display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:12px;border:1px solid transparent;background:transparent;color:var(--ink2);font:500 15px var(--sans);text-align:left;cursor:pointer}
.admin>nav button[aria-current="page"]{background:var(--card);border-color:var(--line);color:var(--goldtxt);font-weight:600}
.admin>main{flex:999 1 560px;min-width:0;padding:28px 20px 80px}
.admin .panel{max-width:1000px;display:flex;flex-direction:column;gap:20px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
.stat p{margin:0;font-size:14px;color:var(--muted)}
.stat strong{display:block;font-family:var(--word);font-weight:900;font-size:28px;color:var(--goldtxt)}
.blocklist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.blockrow{border:1px solid var(--line);border-radius:14px;background:var(--card2)}
.blockrow .head{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 10px}
.blockrow .head strong{flex:1 1 180px;font-weight:600}
.blockrow .head .type{font-size:12px;color:var(--muted);background:var(--bg2);padding:2px 8px;border-radius:999px;margin-left:6px;font-weight:500}
.blockrow .body{padding:4px 14px 16px;display:none;flex-direction:column;gap:12px}
.blockrow.open .body{display:flex}
.blockrow.hidden .head strong{opacity:.5;text-decoration:line-through}
.sq{min-width:44px;min-height:44px;border-radius:12px;border:1px solid var(--line2);background:#FFFDF8;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font:500 14px var(--sans);padding:0 10px}
.tablewrap{overflow-x:auto}
table.data{width:100%;min-width:560px;border-collapse:collapse;font-size:15px}
table.data th{text-align:left;font-weight:500;font-size:14px;color:var(--muted);padding:10px 8px;border-bottom:1px solid var(--line)}
table.data td{padding:10px 8px;border-bottom:1px solid var(--bg2);vertical-align:middle}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:13px;font-weight:600;background:var(--bg2);color:var(--goldtxt)}
.badge.off{background:#F3E6E6;color:#7F1D1D}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.row>.field{flex:1 1 200px}
.hint{font-size:13px;color:var(--muted);margin:0}
@media (max-width:640px){section.block{padding-top:56px}.card{padding:20px}}

/* legal documents */
.legal h2{font-family:var(--serif);font-weight:600;font-size:20px;margin:26px 0 10px;color:var(--ink)}
.legal h2:first-child{margin-top:0}
.legal ul{margin:0 0 14px;padding-left:22px}
.legal li{margin:4px 0}