/* ==========================================================================
   PureCert UI — design system
   Brand: PureAds Digital — #25AEE6 (primary) / #1A7FAB (dark) / #98D6EE (light)
   Fonts: Poppins (headings) + Inter (body), self-hosted. Light theme.
   ========================================================================== */

/* ---- fonts (self-hosted, /assets/fonts/) ---- */
@font-face{font-family:'Inter';src:url('/assets/fonts/inter-var.woff2') format('woff2');
  font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:'Poppins';src:url('/assets/fonts/poppins-500.woff2') format('woff2');
  font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Poppins';src:url('/assets/fonts/poppins-600.woff2') format('woff2');
  font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Poppins';src:url('/assets/fonts/poppins-700.woff2') format('woff2');
  font-weight:700;font-style:normal;font-display:swap}

/* ---- tokens ---- */
:root{
  --pc-blue:#25AEE6; --pc-blue-dark:#1A7FAB; --pc-blue-deep:#14607f;
  --pc-blue-light:#98D6EE; --pc-blue-tint:#eaf6fc; --pc-blue-tint2:#f4fafd;
  --pc-yellow:#facc15;
  --pc-ink:#0f172a; --pc-head:#1e293b; --pc-body:#334155; --pc-mut:#64748b; --pc-faint:#94a3b8;
  --pc-bg:#f4f7fa; --pc-card:#ffffff; --pc-line:#e2e8f0; --pc-line-soft:#eef2f6;
  --pc-ok:#16a34a; --pc-ok-bg:#f0fdf4; --pc-ok-line:#bbf7d0;
  --pc-warn:#b45309; --pc-warn-bg:#fffbeb; --pc-warn-line:#fde68a;
  --pc-bad:#dc2626; --pc-bad-bg:#fef2f2; --pc-bad-line:#fecaca;
  --pc-info:#1A7FAB; --pc-info-bg:#eaf6fc; --pc-info-line:#bae2f5;
  --pc-radius:12px; --pc-radius-sm:8px;
  --pc-shadow:0 1px 2px rgba(15,23,42,.05),0 1px 3px rgba(15,23,42,.06);
  --pc-shadow-lg:0 10px 30px rgba(15,23,42,.10),0 2px 8px rgba(15,23,42,.06);
  --pc-grad:linear-gradient(135deg,#25AEE6 0%,#1A7FAB 100%);
  --pc-font:'Inter',-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --pc-font-head:'Poppins','Inter',-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --pc-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---- base ---- */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--pc-font);font-size:14.5px;line-height:1.55;
  color:var(--pc-body);background:var(--pc-bg)}
a{color:var(--pc-blue-dark);text-decoration:none}
a:hover{color:var(--pc-blue);text-decoration:underline}
h1,h2,h3,h4{font-family:var(--pc-font-head);color:var(--pc-head);margin:0 0 .5rem;
  font-weight:600;letter-spacing:-.01em}
h1{font-size:24px}h2{font-size:18px}h3{font-size:15px}
code,.mono{font-family:var(--pc-mono);font-size:.86em;background:var(--pc-blue-tint2);
  border:1px solid var(--pc-line-soft);border-radius:5px;padding:.08rem .35rem;word-break:break-all;color:var(--pc-blue-deep)}
.mut{color:var(--pc-mut)}.faint{color:var(--pc-faint)}.small{font-size:12.5px}

/* ---- topbar ---- */
.pc-topbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--pc-line);
  display:flex;align-items:center;gap:1.6rem;padding:.65rem clamp(1rem,4vw,2.2rem);box-shadow:var(--pc-shadow)}
.pc-logo{display:flex;align-items:center;gap:.55rem;text-decoration:none!important}
.pc-logo svg{display:block}
.pc-logo .wordmark{font-family:var(--pc-font-head);font-weight:700;font-size:19px;color:var(--pc-ink);letter-spacing:-.02em}
.pc-logo .wordmark b{color:var(--pc-blue);font-weight:700}
.pc-logo .byline{display:block;font-size:9.5px;font-weight:500;color:var(--pc-faint);
  letter-spacing:.08em;text-transform:uppercase;margin-top:-3px}
.pc-nav{display:flex;gap:.25rem}
.pc-nav a{padding:.42rem .85rem;border-radius:999px;font-weight:500;color:var(--pc-mut);font-size:13.5px}
.pc-nav a:hover{background:var(--pc-blue-tint);color:var(--pc-blue-dark);text-decoration:none}
.pc-nav a.active{background:var(--pc-blue-tint);color:var(--pc-blue-dark);font-weight:600}
.pc-topbar .sp{flex:1}
.pc-user{display:flex;align-items:center;gap:.7rem;font-size:13px;color:var(--pc-mut)}
.pc-user .avatar{width:30px;height:30px;border-radius:999px;background:var(--pc-grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:13px}

/* ---- layout ---- */
.pc-main{max-width:1140px;margin:1.6rem auto 3rem;padding:0 clamp(1rem,4vw,2rem)}
.pc-main.narrow{max-width:880px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
@media(max-width:860px){.grid2,.grid3,.grid4{grid-template-columns:1fr}}
@media(max-width:1080px){.grid4{grid-template-columns:repeat(2,1fr)}}

/* ---- cards / panels ---- */
.card{background:var(--pc-card);border:1px solid var(--pc-line);border-radius:var(--pc-radius);
  padding:1.25rem 1.4rem;margin-bottom:1.1rem;box-shadow:var(--pc-shadow)}
.card>h2{display:flex;align-items:center;gap:.5rem;font-size:13px;font-weight:600;color:var(--pc-mut);
  text-transform:uppercase;letter-spacing:.07em;margin:0 0 1rem;font-family:var(--pc-font)}
.card>h2 .ico{color:var(--pc-blue)}
.card .card-note{font-size:12.5px;color:var(--pc-faint);margin:-.6rem 0 .9rem}

/* ---- stat tiles (KPI row) ---- */
.stat{background:var(--pc-card);border:1px solid var(--pc-line);border-radius:var(--pc-radius);
  padding:1rem 1.2rem;box-shadow:var(--pc-shadow)}
.stat .label{font-size:12.5px;font-weight:500;color:var(--pc-mut);margin-bottom:.25rem}
.stat .value{font-family:var(--pc-font);font-weight:600;font-size:28px;color:var(--pc-ink);line-height:1.15}
.stat .value .unit{font-size:14px;font-weight:500;color:var(--pc-faint);margin-left:.2rem}
.stat .delta{font-size:12px;font-weight:500;margin-top:.15rem}
.stat .delta.up{color:var(--pc-ok)}.stat .delta.down{color:var(--pc-bad)}.stat .delta.flat{color:var(--pc-faint)}
.stat.accent{border-top:3px solid var(--pc-blue)}

/* ---- pills / badges ---- */
.pill{display:inline-flex;align-items:center;gap:.3rem;padding:.14rem .6rem;border-radius:999px;
  font-size:11.5px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;white-space:nowrap}
.pill.ok{background:var(--pc-ok-bg);color:var(--pc-ok);border-color:var(--pc-ok-line)}
.pill.warn{background:var(--pc-warn-bg);color:var(--pc-warn);border-color:var(--pc-warn-line)}
.pill.bad{background:var(--pc-bad-bg);color:var(--pc-bad);border-color:var(--pc-bad-line)}
.pill.info{background:var(--pc-info-bg);color:var(--pc-info);border-color:var(--pc-info-line)}
.pill.neutral{background:#f1f5f9;color:var(--pc-mut);border-color:var(--pc-line)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  font-family:var(--pc-font);font-size:13.5px;font-weight:600;border-radius:var(--pc-radius-sm);
  padding:.55rem 1.15rem;border:1px solid transparent;cursor:pointer;transition:all .15s ease;
  text-decoration:none!important;line-height:1.2}
.btn.primary{background:var(--pc-grad);color:#fff;box-shadow:0 2px 8px rgba(37,174,230,.35)}
.btn.primary:hover{filter:brightness(1.06);box-shadow:0 4px 14px rgba(37,174,230,.45);color:#fff}
.btn.secondary{background:#fff;color:var(--pc-blue-dark);border-color:var(--pc-line)}
.btn.secondary:hover{border-color:var(--pc-blue-light);background:var(--pc-blue-tint2);color:var(--pc-blue-dark)}
.btn.danger{background:#fff;color:var(--pc-bad);border-color:var(--pc-bad-line)}
.btn.danger:hover{background:var(--pc-bad-bg)}
.btn.sm{padding:.32rem .7rem;font-size:12.5px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.block{width:100%}

/* ---- forms ---- */
input,select,textarea{font:inherit;color:var(--pc-ink);background:#fff;
  border:1px solid var(--pc-line);border-radius:var(--pc-radius-sm);padding:.55rem .75rem;
  transition:border-color .15s,box-shadow .15s;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--pc-blue);
  box-shadow:0 0 0 3px rgba(37,174,230,.18)}
input::placeholder{color:var(--pc-faint)}
label.f{display:block;font-size:12.5px;font-weight:600;color:var(--pc-head);margin-bottom:.3rem}
.field{margin-bottom:.9rem}
form.inline{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
form.inline input,form.inline select{width:auto}

/* ---- tables ---- */
.tablewrap{overflow-x:auto;margin:0 -.2rem}
table.pc{width:100%;border-collapse:collapse;font-size:13.5px}
table.pc th{text-align:left;font-size:11.5px;font-weight:600;color:var(--pc-mut);
  text-transform:uppercase;letter-spacing:.06em;padding:.5rem .7rem;border-bottom:1px solid var(--pc-line)}
table.pc td{padding:.6rem .7rem;border-bottom:1px solid var(--pc-line-soft);vertical-align:middle;color:var(--pc-body)}
table.pc tr:last-child td{border-bottom:none}
table.pc tr:hover td{background:var(--pc-blue-tint2)}
table.pc td.num{font-variant-numeric:tabular-nums}

/* ---- key/value grid ---- */
.kv{display:grid;grid-template-columns:190px 1fr;gap:.42rem 1rem;font-size:13.5px}
.kv>div:nth-child(odd){color:var(--pc-mut);font-weight:500}
.kv>div:nth-child(even){color:var(--pc-ink)}
@media(max-width:640px){.kv{grid-template-columns:1fr}.kv>div:nth-child(odd){margin-top:.35rem}}

/* ---- alerts ---- */
.alert{border-radius:var(--pc-radius-sm);padding:.7rem 1rem;font-size:13.5px;margin-bottom:1rem;border:1px solid}
.alert.bad{background:var(--pc-bad-bg);border-color:var(--pc-bad-line);color:var(--pc-bad)}
.alert.ok{background:var(--pc-ok-bg);border-color:var(--pc-ok-line);color:var(--pc-ok)}
.alert.info{background:var(--pc-info-bg);border-color:var(--pc-info-line);color:var(--pc-info)}

/* ---- auth (login) ---- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,var(--pc-blue-tint2) 0%,var(--pc-bg) 45%,#e8f4fb 100%);padding:1rem}
.auth-card{width:100%;max-width:400px;background:#fff;border:1px solid var(--pc-line);
  border-radius:16px;box-shadow:var(--pc-shadow-lg);padding:2.2rem 2.2rem 1.8rem}
.auth-card .pc-logo{justify-content:center;margin-bottom:.4rem}
.auth-card h1{font-size:19px;text-align:center;margin:.6rem 0 .25rem}
.auth-card .sub{text-align:center;color:var(--pc-mut);font-size:13px;margin-bottom:1.4rem}
.auth-foot{text-align:center;font-size:12px;color:var(--pc-faint);margin-top:1.2rem}

/* ---- certificate page (TF-style) ---- */
.cert-band{background:var(--pc-grad);height:6px;border-radius:var(--pc-radius) var(--pc-radius) 0 0}
.cert-doc{background:#fff;border:1px solid var(--pc-line);border-radius:var(--pc-radius);
  box-shadow:var(--pc-shadow-lg);overflow:hidden;margin-bottom:1.2rem}
.cert-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1.5rem;
  padding:1.8rem 2rem 1.4rem;flex-wrap:wrap}
.cert-head h1{font-size:26px;line-height:1.25;margin:0}
.cert-head .cid{font-family:var(--pc-mono);font-size:12px;color:var(--pc-mut);margin-top:.45rem;word-break:break-all}
.cert-sec{padding:1.3rem 2rem;border-top:1px solid var(--pc-line-soft)}
.cert-sec>h2{font-family:var(--pc-font-head);font-size:17px;font-weight:600;color:var(--pc-head);
  margin:0 0 .9rem;text-transform:none;letter-spacing:-.01em}
.cert-sec>h2 .q{color:var(--pc-blue)}
.cert-intro{padding:0 2rem 1.2rem;color:var(--pc-mut);font-size:13.5px;max-width:70ch}
.statusbar{position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:.8rem;
  background:#fff;border-bottom:1px solid var(--pc-line);padding:.55rem clamp(1rem,4vw,2.2rem);font-size:13px}
.statusbar .sp{flex:1}

/* screenshots */
img.shot{width:100%;border:1px solid var(--pc-line);border-radius:var(--pc-radius-sm);background:#fff;box-shadow:var(--pc-shadow)}
.shot-label{font-size:12px;font-weight:600;color:var(--pc-mut);margin:.2rem 0 .4rem}

/* replay player container */
#player{border:1px solid var(--pc-line);border-radius:var(--pc-radius-sm);overflow:hidden;background:#fafcfe;min-height:60px}
#player .rr-player{margin:0 auto}

/* integrity checklist */
.integrity-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:.6rem}
.icheck{display:flex;align-items:center;gap:.6rem;border:1px solid var(--pc-line);border-radius:var(--pc-radius-sm);
  padding:.6rem .8rem;background:#fff}
.icheck .dot{width:26px;height:26px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;flex-shrink:0}
.icheck.pass .dot{background:var(--pc-ok-bg);color:var(--pc-ok)}
.icheck.fail .dot{background:var(--pc-bad-bg);color:var(--pc-bad)}
.icheck.pend .dot{background:var(--pc-warn-bg);color:var(--pc-warn)}
.icheck .t{font-size:12.5px;font-weight:600;color:var(--pc-head);line-height:1.3}
.icheck .s{font-size:11px;color:var(--pc-mut)}

/* locked (logged-out) cert view */
.cert-locked{position:relative}
.cert-locked .lockable{filter:blur(7px);user-select:none;pointer-events:none}
.lock-overlay{position:absolute;inset:0;display:flex;align-items:flex-start;justify-content:center;
  padding-top:8vh;z-index:40}
.lock-modal{background:#fff;border:1px solid var(--pc-line);border-radius:16px;box-shadow:var(--pc-shadow-lg);
  max-width:420px;width:92%;padding:2rem 2.2rem;text-align:center}
.lock-modal h2{font-size:19px;margin:.9rem 0 .3rem}
.lock-modal p{color:var(--pc-mut);font-size:13.5px;margin:.3rem 0 0}
.lock-modal .btn{margin-top:1.2rem}

/* footer */
.pc-foot{max-width:1140px;margin:0 auto 2rem;padding:0 clamp(1rem,4vw,2rem);
  color:var(--pc-faint);font-size:12px;display:flex;gap:1rem;flex-wrap:wrap}
.pc-foot a{color:var(--pc-mut)}

/* utility */
.flex{display:flex;align-items:center;gap:.6rem}.right{margin-left:auto}
.mt0{margin-top:0}.mb0{margin-bottom:0}
details.pc summary{cursor:pointer;color:var(--pc-blue-dark);font-size:13px;font-weight:500}
details.pc[open] summary{margin-bottom:.5rem}
hr.pc{border:none;border-top:1px solid var(--pc-line-soft);margin:1rem 0}
.copybtn{cursor:pointer;border:1px solid var(--pc-line);background:#fff;border-radius:6px;
  font-size:11px;padding:.15rem .5rem;color:var(--pc-mut)}
.copybtn:hover{border-color:var(--pc-blue-light);color:var(--pc-blue-dark)}