/* =====================================================================
   V-Pilot Meridian: shared tokens + components for the app pages
   (login, register, account and status pages). Values follow DESIGN.md;
   the landing page keeps its own copy in static/landing/landing.css.
   ===================================================================== */
@font-face{font-family:"Onest";src:url(../landing/fonts/onest-latin.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Anuphan";src:url(../landing/fonts/anuphan-thai.woff2) format("woff2");font-weight:100 700;font-style:normal;font-display:swap;unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"JetBrains Mono";src:url(../landing/fonts/jetbrains-mono-latin.woff2) format("woff2");font-weight:100 800;font-style:normal;font-display:swap}

:root{
  --primary:#00abb3;--primary-600:#00949b;--primary-ink:#00747a;--primary-deep:#007f86;
  --primary-tint:#e9f7f7;--primary-tint-2:#cdeeef;
  --bg:#ffffff;--bg-subtle:#f7f7f8;--bg-muted:#f0f0f2;
  --ink-900:#18181b;--ink-800:#27272a;--ink-700:#3f3f46;--ink-600:#52525b;--ink-500:#67676f;--ink-400:#a1a1aa;--ink-300:#d4d4d8;--ink-200:#e4e4e7;
  --line:rgba(24,24,27,.08);--line-2:rgba(24,24,27,.12);--line-3:rgba(24,24,27,.2);
  --vulcan-800:#111014;--vulcan-700:#15141a;--vulcan-500:#25242c;
  --on-dark:#f4f4f5;--on-dark-2:#b4b4bd;--on-dark-3:#8a8a94;--line-dark:rgba(255,255,255,.08);
  --btn-top:#464d55;--btn-bottom:#25292e;
  --red:#c8382d;--red-tint:#fcebea;--amber:#9a6412;--amber-tint:#fbf1de;
  --trade-long:#00747a;--trade-short:#27272a;--line-brand:#06c755;
  --font-sans:"Onest","Anuphan",ui-sans-serif,system-ui,-apple-system,"Segoe UI","Noto Sans Thai",Tahoma,sans-serif;
  --font-mono:"JetBrains Mono","Anuphan",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r-xs:6px;--r-sm:8px;--r-btn:10px;--r-md:12px;--r-card:16px;--r-xl:20px;--r-lg:24px;--r-pill:999px;
  --sh-xs:0 1px 2px rgba(24,24,27,.06);
  --sh-sm:0 1px 2px rgba(24,24,27,.05),0 4px 14px -6px rgba(24,24,27,.10);
  --sh-md:0 1px 2px rgba(24,24,27,.04),0 14px 32px -12px rgba(24,24,27,.16);
  --sh-lg:0 2px 6px rgba(24,24,27,.04),0 40px 80px -28px rgba(24,24,27,.28);
  --sh-btn:inset 0 1px 0 rgba(255,255,255,.16),0 1px 2px rgba(17,16,20,.24),0 8px 18px -8px rgba(17,16,20,.5);
  --sh-btn-light:0 1px 2px rgba(24,24,27,.06),0 6px 16px -8px rgba(24,24,27,.18);
  --ease-out:cubic-bezier(.22,1,.36,1);
  --t-press:120ms;--t-ui:200ms;
  --container:1240px;--gutter:clamp(16px,4vw,32px);
}

/* ---------- base ---------- */
.mer,.mer *,.mer *::before,.mer *::after{box-sizing:border-box}
body.mer{margin:0;background:var(--bg);color:var(--ink-600);font-family:var(--font-sans);font-size:1rem;line-height:1.75;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:clip}
.mer h1,.mer h2,.mer h3,.mer h4{margin:0;color:var(--ink-900);font-weight:600;text-wrap:balance;letter-spacing:-.005em;line-height:1.35}
.mer p{margin:0;text-wrap:pretty}
.mer a{color:inherit;text-decoration:none}
.mer button,.mer input,.mer select,.mer textarea{font:inherit;color:inherit}
.mer ::selection{background:var(--primary-tint-2);color:var(--ink-900)}
.mer :focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.mer .nav-pill :focus-visible{outline-color:#5fd6dc}
.mer [hidden]{display:none !important}
.mer .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.mer .ic{width:1em;height:1em;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;display:inline-block;vertical-align:-.125em}
.mer .wrap{width:100%;max-width:calc(var(--container) + var(--gutter)*2);margin-inline:auto;padding-inline:var(--gutter)}
.mer .mono{font-family:var(--font-mono);font-feature-settings:"zero" 1}
.mer .tnum{font-variant-numeric:tabular-nums}
.mer .lede{font-size:clamp(1.0625rem,.97rem + .38vw,1.25rem);line-height:1.7;color:var(--ink-600);max-width:58ch}
.mer .page-h1{font-size:clamp(2.25rem,1.4rem + 2.8vw,3.5rem);letter-spacing:-.012em;line-height:1.25}
.mer .code-kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.8125rem;font-weight:600;color:var(--primary-ink)}
.mer .link{display:inline-flex;align-items:center;gap:6px;font-weight:500;color:var(--ink-900);border-radius:6px}
.mer .link .ic{transition:transform var(--t-ui) var(--ease-out)}
.mer .link:hover .ic{transform:translateX(3px)}
.mer .link-back:hover .ic{transform:translateX(-3px)}
.mer .link-teal{color:var(--primary-ink)}

/* ---------- buttons ---------- */
.mer .btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border:0;border-radius:var(--r-btn);font-size:.9375rem;font-weight:500;line-height:1;letter-spacing:0;white-space:nowrap;cursor:pointer;user-select:none;text-decoration:none;transition:transform var(--t-press) var(--ease-out),box-shadow var(--t-ui) var(--ease-out),background-color var(--t-ui),color var(--t-ui),opacity var(--t-ui)}
.mer .btn:active{transform:scale(.97)}
.mer .btn .ic{font-size:1.05em}
.mer .btn-dark{color:#fff;background:linear-gradient(180deg,var(--btn-top),var(--btn-bottom));box-shadow:var(--sh-btn)}
.mer .btn-dark::after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,0) 60%);opacity:0;transition:opacity var(--t-ui);pointer-events:none}
.mer .btn-dark:hover::after{opacity:1}
.mer .btn-dark:hover{color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 1px 2px rgba(17,16,20,.24),0 12px 24px -10px rgba(17,16,20,.6)}
.mer .btn-light{color:var(--ink-800);background:#fff;box-shadow:var(--sh-btn-light),inset 0 0 0 1px var(--line-2)}
.mer .btn-light:hover{background:var(--bg-subtle);color:var(--ink-800)}
.mer .btn-ghost-dark{color:#e4e4e7;background:transparent}
.mer .btn-ghost-dark:hover{color:#fff;background:rgba(255,255,255,.06)}
.mer .btn-line{color:#fff;background:var(--line-brand);font-weight:600;box-shadow:0 1px 2px rgba(6,120,52,.25),0 8px 18px -10px rgba(6,120,52,.55)}
.mer .btn-line:hover{color:#fff;background:#05b34c}
.mer .btn-line svg{width:20px;height:20px;fill:currentColor;stroke:none}
.mer .btn-lg{height:50px;padding:0 22px;font-size:1rem;border-radius:12px}
.mer .btn-sm{height:36px;padding:0 13px;font-size:.875rem;border-radius:9px}
.mer .btn-block{width:100%}
.mer .btn[disabled],.mer .btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none}
.mer .btn.is-loading{color:transparent !important;pointer-events:none}
.mer .btn.is-loading::before{content:"";position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;animation:mer-spin .7s linear infinite}
@keyframes mer-spin{to{transform:rotate(360deg)}}

/* ---------- logo + compact header ---------- */
.mer .logo{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-mono);font-weight:700;font-size:.9375rem;letter-spacing:-.02em;color:#fff;border-radius:8px;line-height:1}
.mer .logo-mark{width:26px;height:26px;flex:none}
.mer .logo.on-light{color:var(--ink-900)}
.mer .site-header{position:sticky;top:0;z-index:50;padding:14px var(--gutter) 0;pointer-events:none}
.mer .nav-pill{pointer-events:auto;position:relative;display:flex;align-items:center;justify-content:space-between;gap:6px;max-width:980px;margin:0 auto;padding:7px 7px 7px 14px;background:rgba(17,16,20,.94);border:1px solid rgba(255,255,255,.07);border-radius:16px;box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 10px 30px -14px rgba(17,16,20,.55)}
@supports (backdrop-filter:blur(12px)){.mer .nav-pill{background:rgba(17,16,20,.86);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px)}}
.mer .nav-actions{display:flex;align-items:center;gap:4px}
.mer .nav-actions .btn-dark{box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 1px 2px rgba(0,0,0,.5)}
.mer .nav-user{display:inline-flex;align-items:center;gap:8px;padding:0 10px;font-size:.8125rem;color:var(--on-dark-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
@media (max-width:480px){.mer .nav-actions .btn-ghost-dark{display:none}.mer .nav-user{display:none}}

/* faint graph paper behind the top of a page (same grammar as the landing hero) */
.mer .page-grid{position:relative;isolation:isolate}
.mer .page-grid::before{content:"";position:absolute;inset:-140px 0 auto;height:720px;z-index:-1;pointer-events:none;background-image:linear-gradient(rgba(24,24,27,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(24,24,27,.06) 1px,transparent 1px);background-size:120px 120px;background-position:center top;transform:skewY(-5deg);-webkit-mask-image:linear-gradient(180deg,#000 10%,rgba(0,0,0,.5) 45%,transparent 85%);mask-image:linear-gradient(180deg,#000 10%,rgba(0,0,0,.5) 45%,transparent 85%)}

/* ---------- page shells ---------- */
.mer .page{padding:clamp(48px,7vw,88px) 0 clamp(64px,8vw,112px)}
.mer .crumbs{display:flex;align-items:center;gap:8px;font-size:.875rem;color:var(--ink-500);margin-bottom:24px}
.mer .crumbs a{color:var(--ink-600);border-radius:4px}
.mer .crumbs a:hover{color:var(--ink-900)}
.mer .crumbs .ic{font-size:14px;color:var(--ink-400)}
.mer .auth{max-width:440px;margin:0 auto;text-align:center}
.mer .auth .crumbs{justify-content:center}
.mer .auth .lede{margin:14px auto 0;font-size:1.0625rem}
.mer .auth .form-card{margin-top:28px;text-align:left}
.mer .auth-foot{margin-top:22px;font-size:.9375rem;color:var(--ink-600)}
.mer .split{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(28px,5vw,64px);align-items:start;margin-top:36px}
@media (max-width:900px){.mer .split{grid-template-columns:minmax(0,1fr)}}
.mer .center-page{max-width:560px;margin:0 auto;text-align:center}
.mer .center-page .lede{margin:16px auto 0}
.mer .center-page .ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:32px}

/* ---------- cards ---------- */
.mer .card-m{background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-sm),inset 0 0 0 1px var(--line);transition:box-shadow var(--t-ui)}
.mer a.card-m:hover,.mer .card-m.is-hover:hover{box-shadow:var(--sh-md),inset 0 0 0 1px var(--line-2)}
.mer .form-card{padding:clamp(22px,3vw,32px);border-radius:var(--r-xl);background:#fff;box-shadow:var(--sh-md),inset 0 0 0 1px var(--line-2)}
.mer .side-card{padding:26px;border-radius:var(--r-xl);background:var(--bg-subtle);box-shadow:inset 0 0 0 1px var(--line)}
.mer .side-card h2,.mer .side-card h3{font-size:1.125rem}
.mer .next-steps{list-style:none;display:grid;gap:16px;margin:18px 0 0;padding:0;counter-reset:s}
.mer .next-steps li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;font-size:.9375rem;line-height:1.6}
.mer .next-steps li::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:#fff;box-shadow:inset 0 0 0 1px var(--line-2);font-family:var(--font-mono);font-size:.75rem;font-weight:600;color:var(--ink-900)}
.mer .next-steps b{color:var(--ink-900);font-weight:600}
.mer .chip-icon{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;color:var(--primary-ink);background:var(--primary-tint);box-shadow:inset 0 0 0 1px var(--primary-tint-2);font-size:20px}
.mer .mono-av{display:inline-grid;place-items:center;flex:none;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary-tint),var(--primary-tint-2));box-shadow:inset 0 0 0 1px var(--line-2);color:var(--primary-ink);font-family:var(--font-mono);font-size:.6875rem;font-weight:700}

/* ---------- forms ---------- */
.mer .field{display:grid;gap:7px;align-content:start;margin-bottom:16px}
.mer .label{font-size:.875rem;font-weight:550;color:var(--ink-900);line-height:1.4}
.mer .label small{font-weight:400;color:var(--ink-500)}
.mer .input{display:block;width:100%;height:46px;padding:0 14px;border:0;border-radius:var(--r-md);background:#fff;color:var(--ink-900);font-size:1rem;line-height:1.4;box-shadow:inset 0 0 0 1px var(--line-3),var(--sh-xs);transition:box-shadow var(--t-ui);-webkit-appearance:none;appearance:none}
.mer textarea.input{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.6}
.mer select.input{padding-right:40px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2367676f' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.mer .input::placeholder{color:#8b8b94}
.mer .input:hover{box-shadow:inset 0 0 0 1px rgba(24,24,27,.32),var(--sh-xs)}
.mer .input:focus{outline:none;box-shadow:inset 0 0 0 1px var(--primary),0 0 0 4px rgba(0,171,179,.16)}
.mer .input[aria-invalid="true"],.mer .input.is-invalid{box-shadow:inset 0 0 0 1px var(--red),0 0 0 4px rgba(200,56,45,.1)}
.mer .hint{font-size:.8125rem;color:var(--ink-500);line-height:1.55}
.mer .err{display:flex;align-items:center;gap:6px;font-size:.8125rem;color:var(--red);line-height:1.55}
.mer .err:empty{display:none}
.mer .err .ic{font-size:14px}
.mer .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}
.mer .form-grid .full{grid-column:1/-1}
@media (max-width:560px){.mer .form-grid{grid-template-columns:minmax(0,1fr)}}
.mer .divider{display:flex;align-items:center;gap:12px;margin:22px 0;font-size:.8125rem;color:var(--ink-500)}
.mer .divider::before,.mer .divider::after{content:"";flex:1;height:1px;background:var(--line-2)}
.mer .check{display:flex;gap:10px;align-items:flex-start;font-size:.875rem;color:var(--ink-700);cursor:pointer}
.mer .check input{appearance:none;-webkit-appearance:none;flex:none;width:18px;height:18px;margin-top:3px;border-radius:5px;box-shadow:inset 0 0 0 1px var(--line-3);background:#fff center/12px no-repeat;cursor:pointer}
.mer .check input:checked{background-color:var(--primary);box-shadow:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E")}

/* ---------- pills, callouts, alerts ---------- */
.mer .pill{display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 9px;border-radius:999px;font-size:.6875rem;font-weight:600;line-height:1;white-space:nowrap}
.mer .pill-teal{background:var(--primary-tint);color:var(--primary-ink)}
.mer .pill-amber{background:var(--amber-tint);color:var(--amber)}
.mer .pill-red{background:var(--red-tint);color:var(--red)}
.mer .pill-zinc{background:var(--bg-muted);color:var(--ink-600)}
.mer .callout{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:14px;font-size:.9375rem;line-height:1.6;text-align:left}
.mer .callout .ic{flex:none;font-size:20px;margin-top:1px}
.mer .callout-success{background:var(--primary-tint);color:var(--ink-800)}
.mer .callout-success .ic{color:var(--primary-ink)}
.mer .callout-warning{background:var(--amber-tint);color:#5c3c0b}
.mer .callout-warning .ic{color:var(--amber)}
.mer .callout-danger{background:var(--red-tint);color:#7a1f18}
.mer .callout-danger .ic{color:var(--red)}
.mer .callout-info{background:var(--bg-subtle);color:var(--ink-700);box-shadow:inset 0 0 0 1px var(--line)}
.mer .callout-info .ic{color:var(--ink-500)}
.mer .callout p+p{margin-top:4px}

/* ---------- loading (LINE redirect) ---------- */
.mer .loading{text-align:center;padding:12px 0 4px}
.mer .spinner{width:44px;height:44px;margin:0 auto;border-radius:50%;border:3px solid var(--primary-tint-2);border-top-color:var(--line-brand);animation:mer-spin .8s linear infinite}
.mer .loading-title{margin-top:16px;font-weight:600;color:var(--ink-900)}
.mer .loading-status{display:inline-block;margin-top:12px;padding:6px 12px;border-radius:999px;background:var(--bg-subtle);box-shadow:inset 0 0 0 1px var(--line);font-size:.8125rem;color:var(--ink-700)}
.mer .meter{height:6px;border-radius:3px;background:var(--bg-muted);overflow:hidden;max-width:300px;margin:16px auto 6px}
.mer .meter-bar{height:100%;border-radius:inherit;background:var(--line-brand);transition:width .4s var(--ease-out)}
.mer .meter-label{font-size:.75rem;color:var(--ink-500)}

/* ---------- footer (compact) ---------- */
.mer .site-footer-mini{border-top:1px solid var(--line);padding:24px 0 28px;font-size:.8125rem;color:var(--ink-500)}
.mer .site-footer-mini .row-m{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.mer .site-footer-mini nav{display:flex;flex-wrap:wrap;gap:16px}
.mer .site-footer-mini a{color:var(--ink-600)}
.mer .site-footer-mini a:hover{color:var(--ink-900)}
.mer .risk-note{margin-top:12px;line-height:1.7;max-width:90ch}

/* ---------- toast ---------- */
.mer .toast-wrap{position:fixed;left:50%;bottom:20px;translate:-50% 0;z-index:120;display:grid;gap:8px;width:min(420px,calc(100vw - 32px));pointer-events:none}
.mer .toast-m{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;background:var(--ink-900);color:#e4e4e7;font-size:.875rem;box-shadow:0 18px 40px -16px rgba(0,0,0,.5)}

/* ---------- motion ---------- */
@keyframes mer-rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.mer .rise{animation:mer-rise .5s var(--ease-out) both}
@media (prefers-reduced-motion:reduce){
  .mer *,.mer *::before,.mer *::after{animation-duration:1ms !important;animation-delay:0s !important;animation-iteration-count:1 !important;transition-duration:1ms !important;transition-delay:0s !important}
}