/* ==========================================================================
   Samcommunity Certs — Liquid Glass design system
   Tokens + components shared by the public site and the admin console.
   ========================================================================== */
:root{
  --bg:#04030A; --ink:#0D0916;
  --purple:#8C52FF; --indigo:#4E00E8; --lavender:#E6DBFF; --red:#D80000;
  --text:#F5F3FF; --muted:rgba(245,243,255,.62); --faint:rgba(245,243,255,.38);
  --line:rgba(255,255,255,.14); --line-soft:rgba(255,255,255,.08);
  --glass-a:rgba(255,255,255,.10); --glass-b:rgba(255,255,255,.03);
  --solid:rgba(13,9,22,.72);                 /* readable panels (tables/lists) */
  --blur:24px;
  --r-card:20px; --r-sm:14px; --r-pill:999px;
  --ease:cubic-bezier(.2,.8,.2,1); --t:240ms;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --hi:inset 0 1px 0 rgba(255,255,255,.25), inset 0 -1px 0 rgba(255,255,255,.05);
  --ring:0 0 0 3px rgba(140,82,255,.35);
  --glow:0 0 30px rgba(140,82,255,.45);
  --font-h:'Plus Jakarta Sans',system-ui,sans-serif; --font-b:'Inter',system-ui,sans-serif; --font-m:'JetBrains Mono',ui-monospace,monospace;
  --cyan:#22D3EE; --pink:#E879F9;
}
@media (max-width:768px){ :root{ --blur:16px; } }

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font:400 15px/1.65 var(--font-b);font-feature-settings:'cv11','ss01';-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-h);font-weight:800;margin:0;letter-spacing:-.025em;line-height:1.1}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(140,82,255,.45)}
.mono{font-family:var(--font-m);letter-spacing:0}
.muted{color:var(--muted)} .faint{color:var(--faint)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- typography scale (8px grid) ---------- */
.t-display{font:800 clamp(34px,4.6vw,58px)/1.06 var(--font-h);letter-spacing:-.035em}
.t-h1{font:800 clamp(28px,3.4vw,44px)/1.1 var(--font-h);letter-spacing:-.03em}
.t-h2{font:700 clamp(22px,2.3vw,30px)/1.2 var(--font-h);letter-spacing:-.02em}
.t-h3{font:700 17px/1.35 var(--font-h);letter-spacing:-.01em}
.t-lead{font:400 16px/1.7 var(--font-b);color:var(--muted)}
.t-body{font:400 15px/1.6 var(--font-b)}
.t-small{font:500 13px/1.5 var(--font-b)}
.t-label{font:500 11px/1 var(--font-m);letter-spacing:.12em;text-transform:uppercase;color:var(--lavender);opacity:.85}
.grad-text{background:linear-gradient(100deg,#B794FF 0%,var(--purple) 25%,var(--cyan) 50%,var(--pink) 75%,#B794FF 100%);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradShift 6s linear infinite}
@keyframes gradShift{to{background-position:200% center}}

/* ---------- animated background ---------- */
.lg-bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:var(--bg);pointer-events:none}
.lg-bg .blob{position:absolute;border-radius:50%;filter:blur(90px);will-change:transform}
.lg-bg .b1{width:620px;height:620px;left:-140px;top:-160px;background:var(--purple);opacity:.42;animation:drift1 26s ease-in-out infinite alternate}
.lg-bg .b2{width:560px;height:560px;right:-160px;top:18%;background:var(--indigo);opacity:.5;animation:drift2 30s ease-in-out infinite alternate}
.lg-bg .b3{width:520px;height:520px;left:28%;bottom:-220px;background:var(--cyan);opacity:.16;animation:drift3 22s ease-in-out infinite alternate}
.lg-bg .b4{width:380px;height:380px;right:12%;bottom:6%;background:var(--pink);opacity:.12;animation:drift1 28s ease-in-out infinite alternate-reverse}
.lg-bg .noise{position:absolute;inset:-50%;opacity:.03;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
.lg-bg .vignette{position:absolute;inset:0;background:radial-gradient(120% 90% at 50% 0%,transparent 40%,rgba(5,4,10,.75) 100%)}
@keyframes drift1{to{transform:translate3d(120px,90px,0) scale(1.12)}}
@keyframes drift2{to{transform:translate3d(-140px,120px,0) scale(.92)}}
@keyframes drift3{to{transform:translate3d(90px,-110px,0) scale(1.08)}}
@media (max-width:768px){.lg-bg .blob{filter:blur(70px)}.lg-bg .b1{width:420px;height:420px}.lg-bg .b2{width:380px;height:380px}.lg-bg .b3{width:360px;height:360px}}

/* ---------- glass surfaces ---------- */
.glass{position:relative;isolation:isolate;
  background:linear-gradient(135deg,var(--glass-a),var(--glass-b));
  -webkit-backdrop-filter:blur(var(--blur)) saturate(180%);backdrop-filter:blur(var(--blur)) saturate(180%);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--hi),var(--shadow)}
.glass::before{content:"";position:absolute;inset:0 0 auto 0;height:40%;border-radius:inherit;border-bottom-left-radius:0;border-bottom-right-radius:0;
  background:linear-gradient(180deg,rgba(255,255,255,.18),transparent);pointer-events:none;z-index:-1;opacity:.55}
.glass::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(115deg,rgba(255,255,255,.22) 0%,transparent 18%,transparent 82%,rgba(140,82,255,.25) 100%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;padding:1px}
.glass.solid{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03)),var(--solid)}
.glass.sm{border-radius:var(--r-sm)}
.glass.pad{padding:28px}.glass.pad-sm{padding:18px}
@media (max-width:768px){.glass.pad{padding:24px}}
/* graceful fallback when backdrop-filter is unsupported */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.glass{background:rgba(22,15,40,.92)}}

/* liquid refraction (enabled by JS on capable desktop Chromium only) */
html.liquid .liquid{-webkit-backdrop-filter:url(#lg-liquid) blur(var(--blur)) saturate(180%);backdrop-filter:url(#lg-liquid) blur(var(--blur)) saturate(180%)}

/* ---------- buttons ---------- */
.btn{--h:44px;position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:var(--h);padding:0 20px;border-radius:var(--r-pill);
  font:600 14px/1 var(--font-b);color:var(--text);cursor:pointer;white-space:nowrap;user-select:none;
  border:1px solid var(--line);background:linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  -webkit-backdrop-filter:blur(16px) saturate(180%);backdrop-filter:blur(16px) saturate(180%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 8px 24px rgba(0,0,0,.3);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease),border-color var(--t) var(--ease)}
.btn:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.24);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 12px 30px rgba(0,0,0,.35)}
.btn:active{transform:translateY(0) scale(.98)}
.btn:focus-visible{outline:none;box-shadow:var(--ring),inset 0 1px 0 rgba(255,255,255,.25)}
.btn svg{width:18px;height:18px;flex:none}
.btn.primary{background:linear-gradient(135deg,rgba(140,82,255,.55),rgba(140,82,255,.30));border-color:rgba(183,148,255,.55);box-shadow:inset 0 1px 0 rgba(255,255,255,.35),var(--glow)}
.btn.primary:hover{box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 0 44px rgba(140,82,255,.65),0 12px 30px rgba(78,0,232,.35)}
.btn.danger{background:linear-gradient(135deg,rgba(216,0,0,.32),rgba(216,0,0,.14));border-color:rgba(216,0,0,.5)}
.btn.danger:hover{box-shadow:0 0 30px rgba(216,0,0,.35)}
.btn.ghost{background:transparent;border-color:transparent;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}
.btn.ghost:hover{background:rgba(255,255,255,.06);border-color:var(--line-soft)}
.btn.sm{--h:36px;padding:0 14px;font-size:13px}
.btn.lg{--h:50px;padding:0 28px;font-size:15px}
.btn.icon{width:var(--h);padding:0}
.btn.block{width:100%}
.btn[disabled],.btn.is-busy{opacity:.55;pointer-events:none}

/* ---------- form controls ---------- */
.field{display:flex;flex-direction:column;gap:8px}
.field>span{font:600 13px var(--font-b);color:var(--lavender)}
.field small{color:var(--faint);font-size:12px}
.input,.select,.textarea{width:100%;height:44px;padding:0 16px;border-radius:14px;color:var(--text);font:500 14px var(--font-b);
  background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);outline:none;transition:border-color var(--t),box-shadow var(--t),background var(--t)}
.textarea{height:auto;min-height:110px;padding:14px 16px;resize:vertical}
.input::placeholder,.textarea::placeholder{color:var(--faint)}
.input:hover,.select:hover{border-color:rgba(255,255,255,.22)}
.input:focus,.select:focus,.textarea:focus{border-color:rgba(183,148,255,.7);box-shadow:var(--ring);background:linear-gradient(135deg,rgba(140,82,255,.12),rgba(255,255,255,.03))}
.select{appearance:none;-webkit-appearance:none;padding-right:44px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23E6DBFF' stroke-width='2' stroke-linecap='round'><path d='m4 6 4 4 4-4'/></svg>"),linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.02));background-repeat:no-repeat;background-position:right 16px center,0 0}
.select option{background:#120B24;color:var(--text)}
input[type=date].input::-webkit-calendar-picker-indicator{filter:invert(.85)}
.file{position:relative;display:flex;align-items:center;gap:14px;padding:18px;border-radius:18px;border:1.5px dashed rgba(183,148,255,.4);background:rgba(140,82,255,.06);cursor:pointer;transition:border-color var(--t),background var(--t)}
.file:hover{border-color:var(--purple);background:rgba(140,82,255,.1)}
.file input{position:absolute;inset:0;opacity:0;cursor:pointer}
.file .fi{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(140,82,255,.22);border:1px solid rgba(183,148,255,.4);flex:none}
.check{display:inline-flex;align-items:center;gap:12px;cursor:pointer;font-weight:500;user-select:none}
.check input{appearance:none;-webkit-appearance:none;width:22px;height:22px;border-radius:7px;border:1px solid var(--line);background:rgba(255,255,255,.06);display:grid;place-items:center;cursor:pointer;transition:var(--t);margin:0}
.check input:checked{background:rgba(140,82,255,.6);border-color:rgba(183,148,255,.8);box-shadow:0 0 16px rgba(140,82,255,.5)}
.check input:checked::after{content:"";width:6px;height:11px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px)}
.check input:focus-visible{box-shadow:var(--ring)}

/* ---------- chips ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);font:600 12px var(--font-b);border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--muted);white-space:nowrap}
.chip svg{width:14px;height:14px}
.chip .dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.chip.purple{background:rgba(140,82,255,.2);border-color:rgba(183,148,255,.45);color:#D9C6FF}
.chip.lavender{background:rgba(230,219,255,.12);border-color:rgba(230,219,255,.3);color:var(--lavender)}
.chip.red{background:rgba(216,0,0,.16);border-color:rgba(216,0,0,.45);color:#FFB3B3}
.chip.grey{background:rgba(255,255,255,.05);color:var(--faint)}
.chip.ok{background:rgba(140,82,255,.2);border-color:rgba(183,148,255,.45);color:#D9C6FF}

/* ---------- table (readable) ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--r-card)}
.table{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}
.table th{position:sticky;top:0;text-align:left;font:600 11px var(--font-h);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);padding:16px;border-bottom:1px solid var(--line-soft);background:rgba(13,9,22,.6);white-space:nowrap}
.table td{padding:16px;border-bottom:1px solid var(--line-soft);vertical-align:middle;color:var(--text)}
.table tr:last-child td{border-bottom:0}
.table tbody tr{transition:background var(--t)}
.table tbody tr:hover td{background:rgba(140,82,255,.07)}
.table .r{text-align:right}

/* ---------- misc components ---------- */
.stat{padding:24px}
.stat .t-label{display:block;margin-bottom:12px}
.stat .v{font:700 36px/1 var(--font-h);letter-spacing:-.03em}
.stat .d{margin-top:8px;font-size:13px;color:var(--muted)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:24px 0}
.kbd{font:600 11px var(--font-b);padding:2px 6px;border-radius:6px;border:1px solid var(--line);color:var(--faint)}
.icon-tile{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(140,82,255,.35),rgba(78,0,232,.15));border:1px solid rgba(183,148,255,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 0 24px rgba(140,82,255,.25)}
.icon-tile svg{width:19px;height:19px;color:#fff}
.seal{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.55),rgba(140,82,255,.85) 38%,rgba(78,0,232,.9) 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 0 0 6px rgba(140,82,255,.14),0 0 40px rgba(140,82,255,.55)}
.seal svg{width:30px;height:30px;color:#fff}
.seal.red{background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.5),rgba(216,0,0,.85) 40%,#7a0000 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 0 0 6px rgba(216,0,0,.14),0 0 40px rgba(216,0,0,.45)}
.toast{position:fixed;left:50%;bottom:32px;z-index:100;transform:translate(-50%,16px);opacity:0;padding:14px 20px;border-radius:var(--r-pill);font-weight:600;pointer-events:none;transition:opacity var(--t) var(--ease),transform var(--t) var(--ease)}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* 3D tilt card (certificate preview) */
.tilt{transform-style:preserve-3d;transition:transform 400ms var(--ease);will-change:transform}
.tilt .tilt-inner{transform:translateZ(40px)}
.tilt .shine{position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(600px circle at var(--mx,50%) var(--my,0%),rgba(255,255,255,.18),transparent 40%);mix-blend-mode:overlay}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 600ms var(--ease),transform 600ms var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  .lg-bg .blob{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .tilt{transform:none!important}
  *{transition-duration:1ms!important}
}