.cert-page{background:var(--neutral-50,#f8fafc);min-height:100vh;padding-bottom:var(--sp-16,4rem)}.cert-hero{background:linear-gradient(135deg,#1e3a5f,#2c5282);color:#fff;padding:var(--sp-16,4rem) 0 var(--sp-12,3rem);position:relative;overflow:hidden}.cert-hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 20% 20%,rgba(255,255,255,.08) 0,transparent 40%),radial-gradient(circle at 80% 60%,rgba(255,255,255,.06) 0,transparent 40%);pointer-events:none}.cert-hero__badge{display:inline-block;font-size:var(--text-xs,.75rem);font-weight:700;text-transform:uppercase;letter-spacing:.08em;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);color:#fff;padding:6px 14px;border-radius:var(--radius-full,999px);margin-bottom:var(--sp-4,1rem)}.cert-hero__title{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:800;margin:0 0 var(--sp-3,.75rem);letter-spacing:-.02em;color:#fff}.cert-hero__desc{font-size:var(--text-base,1rem);max-width:640px;color:rgba(255,255,255,.85);line-height:1.6;margin:0}.cert-section{margin-top:calc(-1 * var(--sp-8, 2rem));position:relative;z-index:2}.cert-search{display:flex;align-items:center;background:#fff;border:1px solid var(--border-default,#e5e7eb);border-radius:var(--radius-xl,1rem);box-shadow:0 10px 30px rgba(0,0,0,.08);padding:6px 6px 6px 18px;gap:var(--sp-3,.75rem);max-width:720px;margin:0 auto var(--sp-6,1.5rem)}.cert-search__icon{font-size:1.1rem;color:var(--text-secondary,#64748b);flex-shrink:0}.cert-search__input{flex:1 1;border:0;outline:0;background:transparent;font-size:var(--text-base,1rem);padding:14px 0;font-family:inherit;color:var(--text-primary,#0f172a)}.cert-search__input::placeholder{color:var(--text-tertiary,#94a3b8)}.cert-search__clear{background:var(--neutral-100,#f1f5f9);border:0;width:36px;height:36px;border-radius:50%;cursor:pointer;color:var(--text-secondary,#64748b);font-weight:700;transition:background .15s}.cert-search__clear:hover{background:var(--neutral-200,#e2e8f0)}.cert-count{text-align:center;color:var(--text-secondary,#64748b);font-size:var(--text-sm,.875rem);margin-bottom:var(--sp-5,1.25rem)}.cert-count strong{color:var(--text-primary,#0f172a);font-weight:700}.cert-table-wrap{background:#fff;border-radius:var(--radius-xl,1rem);border:1px solid var(--border-default,#e5e7eb);box-shadow:0 4px 16px rgba(0,0,0,.04);overflow-x:auto}.cert-table{width:100%;border-collapse:collapse;font-size:var(--text-sm,.875rem)}.cert-table thead th{background:var(--neutral-50,#f8fafc);color:var(--text-secondary,#64748b);font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;padding:14px 18px;text-align:left;white-space:nowrap}.cert-table tbody td,.cert-table thead th{border-bottom:1px solid var(--border-default,#e5e7eb)}.cert-table tbody td{padding:16px 18px;vertical-align:middle;color:var(--text-primary,#0f172a)}.cert-table tbody tr:last-child td{border-bottom:0}.cert-table tbody tr:hover{background:var(--neutral-50,#f8fafc)}.cert-table__date{white-space:nowrap;color:var(--text-secondary,#64748b);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.cert-table__id,.cert-table__name{font-weight:600;white-space:nowrap}.cert-table__id{background:var(--neutral-100,#f1f5f9);color:var(--text-primary,#0f172a);padding:4px 10px;border-radius:var(--radius-sm,.25rem);font-family:ui-monospace,SF Mono,monospace;font-size:.78rem}.cert-table__course{color:var(--text-secondary,#475569);min-width:140px}.cert-link{display:inline-flex;align-items:center;gap:6px;background:var(--primary-50,#eff6ff);color:var(--primary-700,#1d4ed8);text-decoration:none;font-weight:600;padding:6px 12px;border-radius:var(--radius-md,.375rem);border:1px solid var(--primary-100,#dbeafe);font-size:var(--text-xs,.75rem);transition:all .15s;white-space:nowrap}.cert-link:hover{background:var(--primary-100,#dbeafe);transform:translateY(-1px)}.cert-link--ycb{background:#fef3c7;color:#92400e;border-color:#fde68a}.cert-link--ycb:hover{background:#fde68a}.cert-link--empty{background:transparent;color:var(--text-tertiary,#94a3b8);border:0;padding:6px 0;cursor:default}.cert-empty{text-align:center;padding:var(--sp-12,3rem) var(--sp-6,1.5rem);background:#fff;border-radius:var(--radius-xl,1rem);border:1px dashed var(--border-default,#e5e7eb)}.cert-empty__icon{font-size:3rem;margin-bottom:var(--sp-4,1rem)}.cert-empty h3{font-size:var(--text-lg,1.125rem);margin:0 0 var(--sp-2,.5rem);color:var(--text-primary,#0f172a)}.cert-empty p{color:var(--text-secondary,#64748b);margin:0}.cert-empty a{color:var(--primary-700,#1d4ed8);font-weight:600;text-decoration:underline}@media (max-width:720px){.cert-hero{padding:var(--sp-12,3rem) 0 var(--sp-8,2rem)}.cert-table thead{display:none}.cert-table tbody tr{display:block;padding:var(--sp-3,.75rem) var(--sp-4,1rem);border-bottom:8px solid var(--neutral-50,#f8fafc)}.cert-table tbody td{display:flex;justify-content:space-between;align-items:center;border:0;padding:8px 0}.cert-table tbody td:before{content:attr(data-label);color:var(--text-tertiary,#94a3b8);font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;font-weight:700}}