/* =====================================================================
   GLCA Certificate Manager — shared admin theme
   Clean, professional, low-saturation palette (navy accent on neutral
   grey), responsive down to mobile. Mirrors the visual language of the
   original single-file tool so the transition feels familiar.
   ===================================================================== */

:root{
  --accent:#1e3a5f;
  --accent-dark:#12253b;
  --accent-light:#eef4ff;
  --bg:#f2f4f7;
  --card:#ffffff;
  --ink:#1c2230;
  --muted:#667085;
  --line:#e2e5ea;
  --ok:#1a7f4b;
  --ok-bg:#e8f6ee;
  --bad:#b3261e;
  --bad-bg:#fdeceb;
  --warn-bg:#fff6e0;
  --warn-ink:#7a5b00;
  --radius:10px;
  --sidenav-w:230px;
  --topbar-h:60px;
}
*{ box-sizing:border-box; }
html,body{
  margin:0; padding:0; background:var(--bg); color:var(--ink);
  font-family:-apple-system,Segoe UI,Arial,Helvetica,sans-serif;
  font-size:15px; line-height:1.5;
}
a{ color:var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }
h1,h2,h3{ margin:0 0 6px 0; }
img{ max-width:100%; }

/* ---------- layout shell ---------- */
.app-shell{ min-height:100vh; }
.topbar{
  position:fixed; top:0; left:0; right:0; height:var(--topbar-h); z-index:100;
  background:var(--accent-dark); color:#fff;
  display:flex; align-items:center; gap:14px; padding:0 20px;
  box-shadow:0 2px 8px rgba(0,0,0,0.15);
}
.nav-toggle{
  display:none; background:transparent; border:none; color:#fff; font-size:20px; cursor:pointer;
}
.brand{ display:flex; flex-direction:column; line-height:1.25; }
.brand-name{ font-weight:700; font-size:16px; }
.brand-sub{ font-size:11.5px; color:#c7d2e0; }
.topbar-user{ margin-left:auto; display:flex; align-items:center; gap:12px; }
.user-chip{ font-size:13px; color:#dbe4f2; }
.user-chip small{ color:#9fb0cb; }

.sidenav{
  position:fixed; top:var(--topbar-h); left:0; bottom:0; width:var(--sidenav-w);
  background:#fff; border-right:1px solid var(--line); padding:14px 0; overflow-y:auto; z-index:90;
}
.sidenav a{
  display:block; padding:11px 20px; font-size:14px; color:var(--ink); font-weight:500;
  border-left:3px solid transparent;
}
.sidenav a:hover{ background:var(--accent-light); text-decoration:none; }
.sidenav a.active{ background:var(--accent-light); border-left-color:var(--accent); color:var(--accent-dark); font-weight:700; }

.content{ margin-left:var(--sidenav-w); margin-top:var(--topbar-h); min-height:calc(100vh - var(--topbar-h)); }
.content-inner{ max-width:1180px; margin:0 auto; padding:24px 22px 60px 22px; }

@media (max-width:880px){
  .nav-toggle{ display:block; }
  .sidenav{ transform:translateX(-100%); transition:transform .18s ease; box-shadow:2px 0 10px rgba(0,0,0,0.12); }
  .sidenav.open{ transform:translateX(0); }
  .content{ margin-left:0; }
}

/* ---------- auth screens (no sidenav) ---------- */
.auth-wrap{
  min-height:100vh; display:flex; align-items:center; justify-content:center; background:var(--bg); padding:20px;
}
.auth-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:34px 32px;
  width:100%; max-width:380px; box-shadow:0 4px 18px rgba(16,24,40,0.08);
}
.auth-card h1{ font-size:19px; color:var(--accent-dark); }
.auth-card .sub{ font-size:13px; color:var(--muted); margin-bottom:22px; }

/* ---------- cards / sections ---------- */
.card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:20px 22px; margin-bottom:20px; box-shadow:0 1px 2px rgba(16,24,40,0.04);
}
.card h2{ font-size:16.5px; margin:0 0 4px 0; }
.card .card-desc{ font-size:13px; color:var(--muted); margin:0 0 16px 0; }

.section-title{
  font-size:13px; font-weight:700; text-transform:uppercase; letter-spacing:0.5px;
  color:var(--accent); margin:18px 0 10px 0; padding-bottom:6px; border-bottom:1px solid var(--line);
}
.section-title:first-child{ margin-top:0; }

.stat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:22px; }
@media (max-width:880px){ .stat-grid{ grid-template-columns:repeat(2,1fr); } }
.stat-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:16px 18px; }
.stat-card .k{ font-size:11.5px; color:var(--muted); text-transform:uppercase; letter-spacing:0.4px; }
.stat-card .v{ font-size:26px; font-weight:800; color:var(--accent-dark); margin-top:4px; }
.stat-card .v.ok{ color:var(--ok); }
.stat-card .v.bad{ color:var(--bad); }

/* ---------- forms ---------- */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:14px 20px; }
.grid-3{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:14px 20px; }
.grid-4{ display:grid; grid-template-columns:1fr 1fr 1fr 1fr; gap:14px 16px; }
@media (max-width:720px){ .grid-2, .grid-3, .grid-4{ grid-template-columns:1fr; } }

.field label{ display:block; font-size:12.5px; font-weight:600; color:var(--muted); margin-bottom:5px; }
.field .req{ color:var(--bad); }
.field input, .field select, .field textarea{
  width:100%; padding:9px 11px; font-size:14.5px; border:1px solid #d0d5dd; border-radius:7px;
  background:#fff; color:var(--ink); font-family:inherit;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid #a9c6f5; outline-offset:0; border-color:var(--accent);
}
.field .hint{ font-size:11.5px; color:var(--muted); margin-top:4px; }

.modules-table{ width:100%; border-collapse:collapse; margin-top:6px; }
.modules-table th{ text-align:left; font-size:12px; color:var(--muted); font-weight:600; padding:6px 8px; }
.modules-table td{ padding:5px 8px; }
.modules-table input{ width:90px; padding:7px 9px; font-size:14px; border:1px solid #d0d5dd; border-radius:6px; }
.modules-table .pct{ font-weight:700; color:var(--accent-dark); min-width:48px; display:inline-block; }

.summary-strip{ display:flex; border:1px solid var(--line); border-radius:8px; overflow:hidden; margin-top:14px; }
.summary-strip .cell{ flex:1; padding:10px 8px; text-align:center; border-right:1px solid var(--line); background:#fafbfc; }
.summary-strip .cell:last-child{ border-right:none; }
.summary-strip .k{ font-size:10.5px; color:var(--muted); text-transform:uppercase; letter-spacing:0.4px; margin-bottom:3px; }
.summary-strip .v{ font-size:16px; font-weight:800; color:var(--accent-dark); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:6px; cursor:pointer; border:none; border-radius:8px;
  font-size:14px; font-weight:600; padding:10px 18px; font-family:inherit;
}
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--accent-dark); text-decoration:none; }
.btn-lg{ font-size:15.5px; padding:13px 26px; }
.btn-sm{ padding:6px 12px; font-size:12.5px; }
.btn-secondary{ background:#fff; color:var(--accent-dark); border:1px solid #c9d3e0; }
.btn-secondary:hover{ background:#f2f6fc; text-decoration:none; }
.btn-danger{ background:#fff; color:var(--bad); border:1px solid #f0c6c3; }
.btn-danger:hover{ background:var(--bad-bg); text-decoration:none; }
.btn-ghost{ background:transparent; color:var(--accent-dark); border:1px solid transparent; padding:8px 12px; font-size:13px; }
.btn-ghost:hover{ background:#eef2f7; text-decoration:none; }
.btn[disabled]{ opacity:0.5; cursor:not-allowed; }

.form-actions{ display:flex; gap:10px; align-items:center; margin-top:18px; flex-wrap:wrap; }

/* ---------- alerts ---------- */
.alert{ font-size:13.5px; padding:10px 14px; border-radius:7px; margin-bottom:16px; }
.alert-ok{ background:var(--ok-bg); color:var(--ok); }
.alert-error{ background:var(--bad-bg); color:var(--bad); }
.alert-warn{ background:var(--warn-bg); color:var(--warn-ink); }

/* ---------- tables ---------- */
.toolbar{ display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap; margin-bottom:12px; }
.search-box input{ padding:9px 12px; font-size:14px; border:1px solid #d0d5dd; border-radius:7px; width:260px; }

table.records{ width:100%; border-collapse:collapse; font-size:13.5px; }
table.records th{
  text-align:left; padding:9px 10px; background:#f7f8fa; color:var(--muted);
  font-size:11.5px; text-transform:uppercase; letter-spacing:0.3px; border-bottom:1px solid var(--line);
}
table.records td{ padding:10px; border-bottom:1px solid var(--line); vertical-align:middle; }
table.records tr:hover td{ background:#fafbfc; }
.empty-row td{ text-align:center; color:var(--muted); padding:28px 10px; }
.table-scroll{ overflow-x:auto; }

.badge{ display:inline-block; padding:3px 10px; border-radius:999px; font-size:11.5px; font-weight:700; letter-spacing:0.3px; }
.badge.pass{ background:var(--ok-bg); color:var(--ok); }
.badge.fail{ background:var(--bad-bg); color:var(--bad); }
.badge.active{ background:var(--ok-bg); color:var(--ok); }
.badge.revoked{ background:var(--bad-bg); color:var(--bad); }
.badge.superseded{ background:var(--warn-bg); color:var(--warn-ink); }

.row-actions{ display:flex; gap:6px; flex-wrap:wrap; }
.row-actions .btn{ padding:6px 10px; font-size:12.5px; }

.pagination{ display:flex; gap:6px; justify-content:center; margin-top:18px; flex-wrap:wrap; }
.pagination a, .pagination span{ padding:6px 12px; border:1px solid var(--line); border-radius:6px; font-size:13px; }
.pagination .current{ background:var(--accent); color:#fff; border-color:var(--accent); }

footer.app-footer{ text-align:center; font-size:12px; color:var(--muted); padding:24px 10px 10px 10px; }

/* ---------- public verification page ---------- */
.verify-shell{ min-height:100vh; background:var(--bg); }
.verify-topbar{ background:var(--accent-dark); color:#fff; padding:22px; text-align:center; }
.verify-topbar h1{ font-size:20px; margin:0; }
.verify-topbar .sub{ font-size:13px; color:#c7d2e0; margin-top:4px; }
.verify-container{ max-width:760px; margin:0 auto; padding:28px 18px 60px; }
.verify-tabs{ display:flex; gap:8px; margin-bottom:16px; flex-wrap:wrap; }
.verify-tabs button{
  flex:1; padding:10px; border-radius:8px; border:1px solid var(--line); background:#fff;
  font-size:13px; font-weight:600; cursor:pointer; color:var(--muted);
}
.verify-tabs button.active{ background:var(--accent); color:#fff; border-color:var(--accent); }

.result-banner{ border-radius:var(--radius); padding:20px 22px; margin-bottom:18px; display:flex; align-items:center; gap:14px; }
.result-banner.valid{ background:var(--ok-bg); border:1px solid #b9e6cc; }
.result-banner.invalid{ background:var(--bad-bg); border:1px solid #f4c6c1; }
.result-banner .icon{ font-size:34px; }
.result-banner h2{ margin:0; font-size:18px; }
.result-banner.valid h2{ color:var(--ok); }
.result-banner.invalid h2{ color:var(--bad); }
.result-banner p{ margin:4px 0 0 0; font-size:13px; color:var(--muted); }

.detail-grid{ display:grid; grid-template-columns:1fr 1fr; gap:10px 20px; font-size:13.5px; }
@media (max-width:520px){ .detail-grid{ grid-template-columns:1fr; } }
.detail-grid .k{ color:var(--muted); font-size:11.5px; text-transform:uppercase; letter-spacing:0.3px; }
.detail-grid .v{ font-weight:600; color:var(--ink); margin-top:2px; }

/* ---------- full verified-certificate card (QR / number / ID lookup result) ----------
   "Crystal" 3D card: polished glass-look card with a deep ambient elevation shadow,
   a glossy header shine, frosted "glass chip" fields, and a 1:1 square candidate photo.
   Deliberately minimal — only Certificate No., Registration No., Candidate Photo,
   Test Date, Issue Date, Valid Until and the overall Score are shown. */
.vcert{
  position:relative;
  background:linear-gradient(180deg,#ffffff 0%,#fbfcfe 100%);
  border:1px solid rgba(255,255,255,0.9); border-radius:24px; overflow:hidden;
  max-width:420px; margin:0 auto 24px auto;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 2px 4px rgba(16,24,40,0.05),
    0 12px 24px rgba(16,24,40,0.08),
    0 30px 60px -16px rgba(30,58,95,0.38),
    0 54px 96px -26px rgba(16,24,40,0.28);
  transition:transform 0.3s cubic-bezier(.2,.8,.2,1), box-shadow 0.3s ease;
}
.vcert:hover{
  transform:translateY(-6px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 2px 4px rgba(16,24,40,0.06),
    0 16px 30px rgba(16,24,40,0.10),
    0 38px 76px -16px rgba(30,58,95,0.46),
    0 66px 116px -26px rgba(16,24,40,0.32);
}
.vcert-head{
  position:relative; display:flex; flex-direction:column; gap:12px; padding:18px 18px 20px 18px;
  background:
    linear-gradient(120deg, rgba(255,255,255,0.16) 0%, rgba(255,255,255,0) 42%),
    radial-gradient(circle at 88% -10%, rgba(255,255,255,0.12) 0%, transparent 55%),
    linear-gradient(135deg,var(--accent-dark) 0%,var(--accent) 100%);
  color:#fff; overflow:hidden;
}
.vcert-head::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size:14px 14px; opacity:0.5;
}
.vcert-seal{
  position:relative; z-index:1; align-self:flex-end; display:flex; align-items:center; gap:5px;
  font-size:9px; font-weight:700; letter-spacing:0.5px; color:#cfdaeb; text-transform:uppercase;
  background:rgba(255,255,255,0.12); padding:4px 9px 4px 8px; border-radius:999px; border:1px solid rgba(255,255,255,0.3);
}
.vcert-head-row{
  position:relative; z-index:1; display:flex; align-items:center; gap:14px; flex-wrap:wrap;
}

/* 1:1 square candidate photo in a glossy crystal ring */
.vcert-photo-frame{
  flex-shrink:0; background:#fff; padding:4px; border-radius:15px;
  box-shadow:0 10px 20px rgba(0,0,0,0.32), 0 0 0 1px rgba(255,255,255,0.4), inset 0 1px 0 rgba(255,255,255,0.9);
  position:relative; z-index:1;
}
.vcert-photo{ width:74px; aspect-ratio:1/1; border-radius:12px; overflow:hidden; background:#eef0f3; display:block; }
.vcert-photo img{ width:100%; height:100%; object-fit:cover; display:block; }
.vcert-photo-placeholder{
  width:100%; height:100%; display:flex; align-items:center; justify-content:center; font-size:8px;
  color:#98a2b3; text-align:center; padding:4px; background:#eef0f3; letter-spacing:0.3px; line-height:1.3;
}
.vcert-photo-caption{ text-align:center; font-size:7.5px; color:var(--muted); margin-top:4px; letter-spacing:0.3px; text-transform:uppercase; }

.vcert-head-main{ flex:1; min-width:150px; position:relative; z-index:1; }
.vcert-eyebrow{ font-size:9.5px; font-weight:700; letter-spacing:1.1px; text-transform:uppercase; color:#9fb0cb; margin-bottom:4px; }
.vcert-name{ font-size:17px; font-weight:800; line-height:1.2; }
.vcert-nums{ display:flex; flex-direction:column; gap:4px; margin-top:9px; font-size:10.5px; color:#dbe4f2; }
.vcert-nums span{ display:flex; align-items:center; gap:4px; white-space:nowrap; }
.vcert-nums b{ color:#fff; font-weight:700; }

.vcert-result-chip{
  position:relative; z-index:1; display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:2px; font-size:13px; font-weight:800; letter-spacing:0.5px; padding:9px 16px; border-radius:11px; background:#fff;
  box-shadow:0 6px 16px rgba(0,0,0,0.18), inset 0 1px 0 #fff; min-width:76px;
}
.vcert-result-chip small{ font-size:7.5px; font-weight:700; letter-spacing:0.5px; color:var(--muted); text-transform:uppercase; }
.vcert-result-chip.pass{ color:var(--ok); }
.vcert-result-chip.fail{ color:var(--bad); }

.vcert-section{ padding:16px 18px; border-top:1px solid var(--line); }
.vcert-section-title{
  display:flex; align-items:center; gap:7px; font-size:11px; font-weight:700; text-transform:uppercase;
  letter-spacing:0.4px; color:var(--accent-dark); margin-bottom:11px;
}
.vcert-section-title .ico{
  width:21px; height:21px; border-radius:7px; background:var(--accent-light); color:var(--accent);
  display:flex; align-items:center; justify-content:center; font-size:11px; flex-shrink:0;
}

/* frosted "glass chip" fields */
.vcert-fields{ display:grid; grid-template-columns:1fr 1fr; gap:9px 12px; }
@media (max-width:480px){ .vcert-fields{ grid-template-columns:1fr; } }
.vcert-field{
  background:linear-gradient(180deg,#ffffff 0%,#f7f9fc 100%);
  border:1px solid rgba(16,24,40,0.07); border-radius:10px; padding:9px 12px;
  box-shadow:0 1px 2px rgba(16,24,40,0.04), inset 0 1px 0 rgba(255,255,255,0.8);
}
.vcert-field .k{ font-size:9px; font-weight:700; text-transform:uppercase; letter-spacing:0.3px; color:var(--muted); }
.vcert-field .v{ font-size:12.5px; font-weight:700; color:var(--ink); margin-top:3px; }
.vcert-field.wide{ grid-column:1/-1; }

/* score showcase: a polished "gem" tile with a diagonal glass shine */
.vcert-score-showcase{
  position:relative; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:5px;
  padding:20px 16px; border-radius:16px; text-align:center; overflow:hidden;
  background:linear-gradient(160deg,var(--accent-dark) 0%,var(--accent) 100%);
  box-shadow:0 12px 26px -8px rgba(30,58,95,0.5), inset 0 1px 0 rgba(255,255,255,0.25);
}
.vcert-score-showcase::after{
  content:""; position:absolute; top:-60%; left:-15%; width:55%; height:220%;
  background:linear-gradient(120deg, rgba(255,255,255,0.20) 0%, transparent 60%);
  transform:rotate(18deg); pointer-events:none;
}
.vcert-score-value{ position:relative; z-index:1; font-size:32px; font-weight:800; color:#fff; letter-spacing:0.4px; }
.vcert-score-meta{ position:relative; z-index:1; font-size:11px; font-weight:600; color:#dbe4f2; display:flex; align-items:center; gap:7px; flex-wrap:wrap; justify-content:center; }
.vcert-score-meta b{ color:#fff; }
.vcert-score-meta .dot{ opacity:0.55; }
.vcert-score-showcase.pass{ background:linear-gradient(160deg,#166b3f 0%,#1a7f4b 100%); box-shadow:0 12px 28px -8px rgba(26,127,75,0.55), inset 0 1px 0 rgba(255,255,255,0.25); }
.vcert-score-showcase.fail{ background:linear-gradient(160deg,#8c1e18 0%,#b3261e 100%); box-shadow:0 12px 28px -8px rgba(179,38,30,0.5), inset 0 1px 0 rgba(255,255,255,0.25); }

.vcert-footer{
  padding:12px 18px; background:#f7f8fa; border-top:1px solid var(--line);
  font-size:10.5px; color:var(--muted); text-align:center; display:flex; align-items:center; justify-content:center; gap:7px; flex-wrap:wrap;
}
.vcert-footer .dot{ opacity:0.5; }

@media (max-width:480px){
  .vcert{ max-width:100%; border-radius:18px; }
  .vcert-head{ text-align:center; padding:18px 16px 18px 16px; }
  .vcert-head-row{ flex-direction:column; }
  .vcert-nums{ justify-content:center; }
  .vcert-section{ padding:14px 16px; }
}

/* ---------- print certificate ---------- */
@media print{
  .no-print{ display:none !important; }
  body{ background:#fff; }
}