:root{
  --primary:#0F3D91;
  --primary-dark:#0a2d6e;
  --accent:#D4AF37;
  --accent-soft:#f3e5b3;
  --bg:#f6f8fd;
  --bg-grad:linear-gradient(135deg,#f6f8fd 0%,#eaf0ff 50%,#fff8e7 100%);
  --text:#0f172a;
  --muted:#64748b;
  --card:rgba(255,255,255,0.7);
  --border:rgba(15,61,145,0.12);
  --shadow:0 10px 40px -10px rgba(15,61,145,0.25);
}
body.dark{
  --bg:#0a0f1f;
  --bg-grad:linear-gradient(135deg,#0a0f1f 0%,#0f1a35 60%,#1a1330 100%);
  --text:#e6ecff;
  --muted:#9aa6c2;
  --card:rgba(20,30,55,0.6);
  --border:rgba(212,175,55,0.2);
  --shadow:0 10px 40px -10px rgba(0,0,0,0.6);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg-grad);background-attachment:fixed;min-height:100vh}
.container{max-width:1180px;margin:0 auto;padding:0 1.25rem}
a{color:var(--primary)}

/* HEADER */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(255,255,255,0.7);border-bottom:1px solid var(--border)}
body.dark .site-header{background:rgba(10,15,31,0.7)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.25rem;gap:1rem}
.brand{display:flex;align-items:center;gap:.85rem}
.logo-circle{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--primary),#1e57c9);box-shadow:0 6px 18px -6px var(--primary);letter-spacing:.5px}
.logo-circle.big{width:72px;height:72px;font-size:1.4rem;margin:0 auto 1rem}
.brand-name{margin:0;font-size:1.05rem;font-weight:700;line-height:1.1}
.brand-sub{margin:.15rem 0 0;font-size:.78rem;color:var(--muted);letter-spacing:.5px;text-transform:uppercase}
.theme-btn{background:var(--card);border:1px solid var(--border);padding:.55rem .9rem;border-radius:999px;cursor:pointer;color:var(--text);font-weight:600;transition:.25s}
.theme-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.admin-link{background:var(--primary);color:#fff;padding:.55rem 1rem;border-radius:999px;text-decoration:none;font-weight:600;font-size:.85rem;transition:.25s}
.admin-link:hover{transform:translateY(-2px);box-shadow:0 6px 18px -6px var(--primary)}

/* HERO */
.hero{padding:3.5rem 0 2rem}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.eyebrow{display:inline-block;background:var(--accent-soft);color:#7a5b00;padding:.3rem .8rem;border-radius:999px;font-size:.75rem;font-weight:700;letter-spacing:1px;text-transform:uppercase}
.hero-title{font-size:clamp(1.9rem,4vw,3rem);font-weight:800;margin:1rem 0;line-height:1.05;letter-spacing:-.5px}
.hero-title .accent{background:linear-gradient(90deg,var(--accent),#b88a1a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:1.05rem;color:var(--muted);max-width:480px}
.trust-list{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;margin-top:1.25rem;color:var(--text);font-weight:600}

/* GLASS CARD */
.glass-card{background:var(--card);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:20px;padding:2rem;box-shadow:var(--shadow)}
.verify-card{position:relative;overflow:hidden}
.verify-card::before{content:"";position:absolute;inset:0;border-radius:20px;padding:1px;background:linear-gradient(135deg,var(--accent),transparent 40%,var(--primary));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.card-title{margin:0;font-size:1.4rem;font-weight:800;color:var(--primary)}
body.dark .card-title{color:#9bb6ff}
.card-sub{margin:.25rem 0 1.25rem;color:var(--muted);font-size:.92rem}

/* FORMS */
.verify-form label,.grid-form label,.login-card label{display:block;margin-bottom:1rem}
.verify-form span,.grid-form span,.login-card span{display:block;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin-bottom:.4rem}
.verify-form input,.grid-form input,.grid-form select,.login-card input,#searchBox{width:100%;padding:.85rem 1rem;border:1.5px solid var(--border);background:rgba(255,255,255,.8);border-radius:12px;font-size:1rem;color:var(--text);transition:.2s;outline:none}
body.dark .verify-form input,body.dark .grid-form input,body.dark .grid-form select,body.dark .login-card input,body.dark #searchBox{background:rgba(255,255,255,.06)}
.verify-form input:focus,.grid-form input:focus,.grid-form select:focus,.login-card input:focus,#searchBox:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(15,61,145,.12)}

/* BUTTONS */
.btn-primary{position:relative;width:100%;padding:.95rem 1.25rem;border:none;border-radius:12px;background:linear-gradient(135deg,var(--primary),#1e57c9 60%,var(--accent));color:#fff;font-weight:800;letter-spacing:.8px;cursor:pointer;font-size:1rem;overflow:hidden;transition:.3s;display:inline-flex;align-items:center;justify-content:center;gap:.6rem}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px var(--primary)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{padding:.7rem 1rem;border-radius:10px;border:1.5px solid var(--border);background:transparent;color:var(--text);font-weight:600;cursor:pointer;transition:.2s}
.btn-ghost:hover{background:var(--card)}
.spinner{width:18px;height:18px;border:3px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* FEATURES */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;padding:2rem 1.25rem 4rem}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:1.5rem;text-align:center;transition:.3s;backdrop-filter:blur(10px)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.feature-icon{font-size:2rem;margin-bottom:.5rem}
.feature-card h4{margin:.25rem 0;color:var(--primary)}
body.dark .feature-card h4{color:#9bb6ff}
.feature-card p{margin:0;color:var(--muted);font-size:.92rem}

/* POPUP */
.popup-overlay{position:fixed;inset:0;background:rgba(10,15,31,.55);display:grid;place-items:center;z-index:100;animation:fadeIn .25s ease}
.popup-overlay[hidden]{display:none}
.popup-box{background:#fff;border-radius:20px;padding:2rem;max-width:380px;width:90%;text-align:center;box-shadow:0 30px 60px -20px rgba(0,0,0,.4);animation:pop .3s ease}
body.dark .popup-box{background:#141b30;color:var(--text)}
.popup-icon{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-size:2rem;font-weight:800;color:#fff;background:linear-gradient(135deg,#e11d48,#f43f5e);margin:0 auto 1rem}
.popup-icon.ok{background:linear-gradient(135deg,#16a34a,#22c55e)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes pop{from{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}

/* FOOTER */
.site-footer{margin-top:3rem;background:linear-gradient(135deg,var(--primary),#0a2d6e);color:#dbe5ff;padding:2.5rem 1.25rem 1rem}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;max-width:1180px;margin:0 auto}
.footer-grid h4{color:var(--accent);margin:0 0 .5rem;letter-spacing:.5px}
.footer-grid p{margin:0;line-height:1.6;font-size:.92rem}
.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.1);margin-top:2rem;padding-top:1rem;font-size:.85rem;color:#b8c4e8}
.credit{text-align:center;padding-top:.5rem;font-size:.78rem;color:#b8c4e8}
.credit a{color:var(--accent);text-decoration:none}
.credit a:hover{text-decoration:underline}

/* CERTIFICATE */
.details-main{padding:2.5rem 1.25rem}
.certificate-wrap{position:relative;background:var(--card);border:2px solid var(--accent);border-radius:24px;padding:2.5rem;backdrop-filter:blur(20px);box-shadow:var(--shadow);overflow:hidden}
.cert-watermark{position:absolute;inset:0;display:grid;place-items:center;font-size:11rem;font-weight:900;color:rgba(15,61,145,.05);letter-spacing:1rem;pointer-events:none;transform:rotate(-18deg)}
.cert-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap;border-bottom:2px dashed var(--border);padding-bottom:1.25rem;margin-bottom:1.5rem;position:relative}
.cert-title{margin:0;color:var(--primary);font-size:1.6rem}
body.dark .cert-title{color:#9bb6ff}
.cert-sub{margin:.25rem 0 0;color:var(--muted)}
.verified-badge{display:flex;flex-direction:column;align-items:center;background:linear-gradient(135deg,#16a34a,#22c55e);color:#fff;padding:1rem 1.5rem;border-radius:16px;font-weight:800;letter-spacing:2px;box-shadow:0 10px 30px -10px #16a34a;animation:pulse 2s infinite}
.verified-badge .check{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.25);display:grid;place-items:center;font-size:1.5rem;margin-bottom:.25rem}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}
.cert-body{display:grid;grid-template-columns:220px 1fr;gap:2rem;position:relative}
.cert-photo-wrap{text-align:center}
.cert-photo-wrap img{width:200px;height:240px;object-fit:cover;border:4px solid var(--accent);border-radius:12px;background:#eef2fb}
.cert-photo-tag{margin-top:.5rem;font-size:.75rem;font-weight:700;color:var(--primary);letter-spacing:1px}
.cert-info{display:grid;grid-template-columns:1fr 1fr;gap:.5rem 1.5rem}
.info-row{display:flex;flex-direction:column;padding:.6rem 0;border-bottom:1px dashed var(--border)}
.info-row span{font-size:.72rem;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:700}
.info-row strong{font-size:1rem;color:var(--text);margin-top:.15rem}
.status-ok{color:#16a34a !important}
.cert-footer{margin-top:2rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;border-top:2px dashed var(--border);padding-top:1.25rem;position:relative}
.cert-footer p{margin:0;color:var(--muted);font-size:.85rem}
.cert-footer .btn-primary{width:auto;padding:.7rem 1.25rem}

/* ADMIN LOGIN */
.admin-bg{display:grid;place-items:center;min-height:100vh;padding:1.25rem}
.login-wrap{width:100%;max-width:420px}
.login-card{text-align:center}
.muted{color:var(--muted);margin-top:0}
.err-msg{color:#e11d48;font-weight:600;margin:.5rem 0 0}
.back-link{display:inline-block;margin-top:1rem;color:var(--primary);text-decoration:none;font-weight:600}

/* DASHBOARD */
.dash-main{padding:2rem 1.25rem}
.dash-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}
.dash-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:1.25rem;box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.dash-card h3{margin:0;font-size:2rem;color:var(--primary)}
body.dark .dash-card h3{color:#9bb6ff}
.dash-card p{margin:.25rem 0 0;color:var(--muted);font-weight:600;letter-spacing:.5px;text-transform:uppercase;font-size:.78rem}
.form-section,.list-section{margin-bottom:1.5rem}
.grid-form{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.form-actions{grid-column:1/-1;display:flex;gap:.75rem}
.form-actions .btn-primary{width:auto;padding:.8rem 1.5rem}
.list-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.list-actions{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
#searchBox{width:260px;padding:.6rem .9rem}
.table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--border)}
.data-table{width:100%;border-collapse:collapse;min-width:760px}
.data-table th,.data-table td{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--border);font-size:.92rem}
.data-table th{background:rgba(15,61,145,.06);color:var(--primary);text-transform:uppercase;font-size:.75rem;letter-spacing:.5px}
body.dark .data-table th{background:rgba(155,182,255,.08);color:#9bb6ff}
.data-table tr:hover{background:rgba(15,61,145,.04)}
.tbl-photo{width:42px;height:42px;border-radius:50%;object-fit:cover;background:#eef2fb}
.tbl-actions button{margin-right:.35rem;padding:.4rem .7rem;border-radius:8px;border:none;cursor:pointer;font-weight:600;font-size:.82rem;transition:.2s}
.btn-edit{background:#eef2fb;color:var(--primary)}
.btn-del{background:#fee2e2;color:#b91c1c}
.btn-edit:hover,.btn-del:hover{transform:translateY(-1px)}
.badge-status{padding:.25rem .6rem;border-radius:999px;font-size:.72rem;font-weight:700;background:#dcfce7;color:#15803d;letter-spacing:.5px}

/* RESPONSIVE */
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:2rem}
  .features{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cert-body{grid-template-columns:1fr}
  .cert-photo-wrap img{margin:0 auto}
  .cert-info{grid-template-columns:1fr}
  .dash-cards{grid-template-columns:1fr}
  .grid-form{grid-template-columns:1fr}
  .brand-name{font-size:.92rem}
}
@media print{
  .site-header,.site-footer,.cert-footer .btn-primary,.theme-btn{display:none !important}
  body{background:#fff !important}
  .certificate-wrap{box-shadow:none;border-color:#0F3D91}
}