/* Shared styles for BuddySpaceHub sub-pages (privacy.html, terms.html, register.html).
   index.html keeps its own inline styles; keep the tokens below in sync with it. */
:root{
  --navy-950:#071a25;--navy-900:#0b2534;--navy:#123c50;--blue:#135b93;
  --green:#07835d;--green-600:#066b4d;--green-400:#2fa57c;--green-100:#d6efe3;--green-50:#edf7f1;
  --sky:#e1f2fb;--gold-600:#b8892b;--red:#c34d45;
  --ink:#10222c;--body:#34505c;--muted:#5d7580;--line:#dde7e4;--paper:#f6f8f6;
  --shadow:0 1px 2px rgba(11,37,52,.06),0 8px 24px rgba(11,37,52,.08);
  --shadow-lg:0 2px 6px rgba(7,26,37,.12),0 24px 60px rgba(7,26,37,.28);
  --font:'DM Sans','IBM Plex Sans Thai',system-ui,sans-serif;--mono:'IBM Plex Mono',ui-monospace,monospace;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:88px}
body{margin:0;font:400 16px/1.7 var(--font);color:var(--body);background:var(--paper);overflow-x:hidden}
a{color:var(--green);text-underline-offset:2px}
h1,h2,h3{color:var(--ink);line-height:1.3;margin:0;letter-spacing:-.01em}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--green-400);outline-offset:2px;border-radius:8px}
svg{display:block}
.wrap{width:min(1080px,100% - 40px);margin-inline:auto}

.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--navy);text-decoration:none;letter-spacing:-.02em}
.logo svg{width:32px;height:32px}
.logo b{color:var(--green)}
.nav .back{margin-left:auto;display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px;border:1.5px solid var(--line);border-radius:12px;color:var(--navy);font-weight:600;font-size:14.5px;text-decoration:none;background:#fff}
.nav .back:hover{border-color:var(--navy)}
.nav .back svg{width:18px;height:18px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 22px;border-radius:12px;border:1.5px solid transparent;background:none;font-weight:600;font-size:16px;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,opacity .15s}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-600)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed}
.btn-outline{border-color:var(--line);background:#fff;color:var(--navy)}
.btn-outline:hover{border-color:var(--navy)}
.btn-block{width:100%}

/* legal documents */
.doc-hero{background:linear-gradient(160deg,var(--navy),var(--navy-900));color:#b9cfd8;padding:48px 0 40px}
.doc-hero h1{color:#fff;font-size:clamp(28px,4vw,38px)}
.doc-hero p{margin-top:8px}
.doc-layout{display:grid;grid-template-columns:240px 1fr;gap:40px;padding:40px 0 72px;align-items:start}
.toc{position:sticky;top:88px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;font-size:14px}
.toc b{display:block;color:var(--ink);margin-bottom:8px}
.toc ol{margin:0;padding-left:20px;display:grid;gap:6px}
.toc a{color:var(--body);text-decoration:none}
.toc a:hover{color:var(--green)}
.doc{background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px 44px;box-shadow:var(--shadow)}
.doc h2{font-size:20px;margin:34px 0 10px;padding-top:4px}
.doc h2:first-of-type{margin-top:0}
.doc h3{font-size:16.5px;margin:18px 0 6px}
.doc p{margin:0 0 12px}
.doc ul{margin:0 0 14px;padding-left:22px}
.doc li{margin-bottom:6px}
.doc .summary{background:var(--green-50);border:1px solid var(--green-100);border-radius:14px;padding:18px 20px;margin-bottom:28px;color:var(--ink)}
.doc .summary b{color:var(--green-600)}
.doc .summary ul{margin:8px 0 0}
.doc table{width:100%;border-collapse:collapse;font-size:15px;margin:6px 0 16px}
.doc th,.doc td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.doc th{background:var(--paper);color:var(--ink);font-weight:600}
.doc .table-wrap{overflow-x:auto}
.doc-meta{font-size:14px;color:var(--muted);margin-top:28px;padding-top:18px;border-top:1px solid var(--line)}

/* register */
.reg-wrap{min-height:calc(100dvh - 68px);display:grid;grid-template-columns:1fr 1.05fr}
.reg-side{background:radial-gradient(500px 400px at 100% 0%,rgba(7,131,93,.4),transparent 60%),linear-gradient(160deg,var(--navy),var(--navy-950));color:#b9cfd8;padding:64px 56px;display:flex;flex-direction:column;justify-content:center}
.reg-side h1{color:#fff;font-size:clamp(28px,3.4vw,38px);margin-bottom:12px}
.reg-points{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:16px}
.reg-points li{display:flex;gap:14px}
.reg-points .ic{flex:none;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);color:#5fe0a8;display:flex;align-items:center;justify-content:center}
.reg-points .ic svg{width:20px;height:20px}
.reg-points b{color:#fff;display:block}
.reg-main{display:flex;align-items:flex-start;justify-content:center;padding:48px 24px 64px}
.card{width:min(480px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:var(--shadow)}
.steps{display:flex;gap:8px;margin-bottom:22px}
.steps span{flex:1;height:5px;border-radius:9px;background:var(--line)}
.steps span.on{background:var(--green)}
.card h2{font-size:22px;margin-bottom:4px}
.card > p,.card .sub{color:var(--muted);font-size:15px;margin:0 0 20px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field .opt{font-weight:400;color:var(--muted)}
.input{width:100%;min-height:50px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;font-size:16px;transition:border-color .15s,box-shadow .15s}
.input:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 4px rgba(7,131,93,.14)}
.input[aria-invalid=true]{border-color:var(--red)}
.input.code{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase}
.hint{font-size:13px;color:var(--muted)}
.err{font-size:13px;color:var(--red)}
.pw{position:relative}
.pw .input{padding-right:52px}
.pw button{position:absolute;right:5px;top:5px;width:40px;height:40px;border:0;background:none;border-radius:10px;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center}
.pw button svg{width:20px;height:20px}
.meter{display:flex;gap:4px;margin-top:2px}
.meter i{flex:1;height:4px;border-radius:9px;background:var(--line)}
.meter[data-level="1"] i:nth-child(-n+1){background:var(--red)}
.meter[data-level="2"] i:nth-child(-n+2){background:var(--gold-600)}
.meter[data-level="3"] i:nth-child(-n+3){background:var(--green-400)}
.meter[data-level="4"] i{background:var(--green)}
.consent-box{border:1.5px solid var(--line);border-radius:14px;padding:14px 16px;margin:6px 0 14px;display:grid;gap:12px}
.check{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;line-height:1.55;cursor:pointer}
.check input{flex:none;width:22px;height:22px;margin:1px 0 0;accent-color:var(--green);cursor:pointer}
.check input:disabled{cursor:not-allowed}
.check a{font-weight:600}
.check .req{color:var(--red)}
.read-btn{justify-self:start;display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 14px;border-radius:10px;border:1.5px solid var(--green);color:var(--green);background:var(--green-50);font-weight:600;font-size:14px;cursor:pointer}
.read-btn svg{width:16px;height:16px}
.read-done{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--green);font-weight:600}
.read-done svg{width:16px;height:16px}
.otp{display:flex;gap:8px;justify-content:space-between;margin:6px 0 10px}
.otp input{width:100%;max-width:56px;height:60px;text-align:center;font:600 24px var(--mono);border:1.5px solid var(--line);border-radius:12px}
.otp input:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 4px rgba(7,131,93,.14)}
.notice{display:flex;gap:12px;padding:14px 16px;border-radius:14px;background:var(--sky);color:var(--navy);font-size:14.5px;line-height:1.55;margin-bottom:14px}
.notice.bad{background:#fbeceb;color:#7d2a24}
.notice svg{flex:none;width:20px;height:20px;margin-top:2px}
.notice b{display:block}
.done{text-align:center}
.done .ic{width:68px;height:68px;border-radius:50%;background:var(--green-50);color:var(--green);display:flex;align-items:center;justify-content:center;margin:4px auto 16px}
.done .ic svg{width:34px;height:34px}
.link-btn{background:none;border:0;color:var(--green);font-weight:600;cursor:pointer;padding:6px;min-height:40px}

/* consent reader */
dialog.reader{border:0;padding:0;border-radius:22px;width:min(720px,calc(100% - 24px));height:min(86dvh,760px);box-shadow:var(--shadow-lg);display:none;flex-direction:column;color:var(--body)}
dialog.reader[open]{display:flex}
dialog.reader::backdrop{background:rgba(7,26,37,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.reader-head{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px}
.reader-head h2{font-size:19px}
.reader-head small{display:block;color:var(--muted);font-size:13px}
.x{flex:none;width:42px;height:42px;border-radius:12px;border:1.5px solid var(--line);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--navy)}
.x svg{width:20px;height:20px}
.reader-body{flex:1;overflow-y:auto;padding:8px 24px 24px;overscroll-behavior:contain}
.reader-body .doc{border:0;box-shadow:none;padding:16px 0 0;border-radius:0}
.reader-body .doc-part + .doc-part{margin-top:32px;padding-top:28px;border-top:2px dashed var(--line)}
.reader-body .doc-part > h1{font-size:22px;margin-bottom:14px}
.reader-foot{padding:16px 24px;border-top:1px solid var(--line);display:grid;gap:10px;background:#fff;border-radius:0 0 22px 22px}
.progress{height:5px;border-radius:9px;background:var(--line);overflow:hidden}
.progress i{display:block;height:100%;width:0;background:var(--green);transition:width .15s}
.reader-foot p{margin:0;font-size:13.5px;color:var(--muted);text-align:center}

footer.mini{background:var(--navy-950);color:#8fa9b4;padding:28px 0;font-size:14px}
footer.mini .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer.mini a{color:#cfe0e6;text-decoration:none}
footer.mini a:hover{color:#fff}

@media (max-width:900px){
  .doc-layout{grid-template-columns:1fr;gap:20px}
  .toc{position:static}
  .reg-wrap{grid-template-columns:1fr}
  .reg-side{padding:40px 24px}
  .reg-points{display:none}
}
@media (max-width:640px){
  .wrap{width:calc(100% - 32px)}
  .doc{padding:24px 20px;border-radius:16px}
  .card{padding:24px 20px;border-radius:20px}
  .reg-main{padding:24px 16px 48px}
  .nav .back span{display:none}
  .reader-head,.reader-foot{padding:14px 16px}
  .reader-body{padding:4px 16px 20px}
  .otp{gap:6px}
  .otp input{height:54px;font-size:21px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}