:root{
  --ink:#0E1524; --ink-2:#141D33; --panel:#182342; --panel-2:#1D2A4D;
  --line:#2C3B63; --brass:#C0985C; --brass-bright:#E0B876; --paper:#EFE9DA;
  --text:#E7E4DA; --muted:#8B93AD; --ok:#7FA98D; --err:#C97A6D;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:
    radial-gradient(1200px 600px at 15% -10%, #1A2748 0%, transparent 60%),
    radial-gradient(1000px 500px at 100% 10%, #16203C 0%, transparent 55%),
    var(--ink);
  color:var(--text); font-family:'Inter',sans-serif; min-height:100vh; -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1180px;margin:0 auto;padding:48px 28px 80px;}
header.top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;border-bottom:1px solid var(--line);padding-bottom:28px;}
.brand{display:flex;align-items:center;gap:14px;}
.seal-mark{width:40px;height:40px;border-radius:50%;border:1.5px solid var(--brass);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.seal-mark svg{width:20px;height:20px;}
h1{font-family:'Source Serif 4',serif;font-weight:600;font-size:26px;letter-spacing:0.01em;margin:0;color:var(--paper);}
.brand p{margin:2px 0 0;font-size:12.5px;color:var(--muted);letter-spacing:.03em;}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);text-align:right;}
.eyebrow span{display:block;color:var(--muted);margin-top:4px;font-size:11px;letter-spacing:.06em;}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;}
@media (max-width:920px){.grid{grid-template-columns:1fr;}}
.card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:10px;padding:30px;}
.card h2{font-family:'Source Serif 4',serif;font-size:18px;font-weight:600;margin:0 0 4px;color:var(--paper);}
.card .sub{font-size:12.5px;color:var(--muted);margin:0 0 24px;line-height:1.5;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-bottom:6px;letter-spacing:.02em;}
.field .req{color:var(--brass-bright);}
.field input,.field select{
  width:100%;background:var(--ink-2);border:1px solid var(--line);border-radius:6px;
  padding:10px 12px;color:var(--text);font-family:'JetBrains Mono',monospace;font-size:13px;
  transition:border-color .15s ease, background .15s ease;
}
.field input::placeholder{color:#5A6482;}
.field input:focus,.field select:focus{outline:none;border-color:var(--brass);background:#1B2848;}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.hint{font-size:11px;color:#6B7594;margin-top:5px;line-height:1.4;}
.btn{
  width:100%;padding:13px 18px;border-radius:6px;border:none;cursor:pointer;
  font-family:'Inter',sans-serif;font-weight:600;font-size:14px;letter-spacing:.01em;
  background:var(--brass);color:#1A1305;margin-top:8px;
  transition:background .15s ease, transform .1s ease;
}
.btn:hover{background:var(--brass-bright);}
.btn:active{transform:scale(0.99);}
.btn:disabled{background:#4A4636;color:#8a8467;cursor:not-allowed;}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text);font-weight:500;}
.btn.ghost:hover{border-color:var(--brass);color:var(--brass-bright);background:transparent;}
.out-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 20px;color:var(--muted);}
.out-empty .seal-mark{width:56px;height:56px;margin-bottom:18px;opacity:.5;}
.out-empty .seal-mark svg{width:28px;height:28px;}
.out-empty p{font-size:13px;max-width:280px;line-height:1.6;margin:0;}
.stamp-region{display:none;}
.stamp-region.show{display:block;animation:fadeUp .5s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.cert-face{
  border:1px solid var(--brass);border-radius:8px;padding:24px 22px;position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(192,152,92,.08),transparent 60%);margin-bottom:20px;
}
.cert-face::before{content:'';position:absolute;inset:5px;border:1px solid rgba(192,152,92,.35);border-radius:5px;pointer-events:none;}
.cert-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px;}
.cert-top .stamp{
  width:52px;height:52px;border-radius:50%;border:2px solid var(--ok);display:flex;align-items:center;justify-content:center;
  transform:rotate(-8deg);flex-shrink:0;
}
.cert-top .stamp svg{width:26px;height:26px;stroke:var(--ok);}
.cert-title{font-family:'Source Serif 4',serif;font-size:20px;font-weight:600;color:var(--paper);margin:0 0 3px;word-break:break-all;}
.cert-status{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ok);}
.kv{display:grid;grid-template-columns:auto 1fr;gap:7px 16px;font-size:12.5px;margin-top:14px;}
.kv dt{color:var(--muted);font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.04em;text-transform:uppercase;padding-top:1px;}
.kv dd{margin:0;font-family:'JetBrains Mono',monospace;color:var(--text);word-break:break-all;line-height:1.5;}
.tabs{display:flex;gap:4px;margin-bottom:10px;}
.tab{flex:1;padding:8px 10px;text-align:center;font-size:11.5px;font-family:'JetBrains Mono',monospace;letter-spacing:.03em;
  background:var(--ink-2);border:1px solid var(--line);color:var(--muted);cursor:pointer;border-radius:5px;}
.tab.active{border-color:var(--brass);color:var(--brass-bright);background:#1E1608;}
.pem-box{
  background:#090D18;border:1px solid var(--line);border-radius:6px;padding:14px;
  font-family:'JetBrains Mono',monospace;font-size:10.5px;line-height:1.6;color:#9FD8B8;
  max-height:200px;overflow:auto;white-space:pre-wrap;word-break:break-all;display:none;
}
.pem-box.active{display:block;}
.pem-box.key{color:#E0B0B0;}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;}
.actions .btn{margin-top:0;}
.download-group{display:flex;gap:6px;}
.download-group select{
  flex:0 0 68px;background:var(--ink-2);border:1px solid var(--line);border-radius:6px;
  color:var(--text);font-family:'JetBrains Mono',monospace;font-size:11.5px;padding:0 4px;
}
.download-group select:focus{outline:none;border-color:var(--brass);}
.download-group .btn{flex:1;min-width:0;padding-left:8px;padding-right:8px;font-size:12.5px;}
@media (max-width:480px){.download-group{flex-direction:column;}.download-group select{flex:none;}}
.pfx-row{display:flex;gap:8px;margin-top:12px;}
.pfx-row input{
  flex:1;min-width:0;background:var(--ink-2);border:1px solid var(--line);border-radius:6px;
  padding:10px 12px;color:var(--text);font-family:'JetBrains Mono',monospace;font-size:12.5px;
}
.pfx-row input::placeholder{color:#5A6482;}
.pfx-row input:focus{outline:none;border-color:var(--brass);background:#1B2848;}
.pfx-row .btn{flex:0 0 auto;width:auto;padding:10px 16px;margin-top:0;font-size:12.5px;}
@media (max-width:480px){.pfx-row{flex-direction:column;}}
.warn{
  display:flex;gap:10px;margin-top:20px;padding:13px 14px;background:rgba(201,122,109,.08);
  border:1px solid rgba(201,122,109,.35);border-radius:6px;font-size:12px;line-height:1.55;color:#D9AFA6;
}
.warn svg{flex-shrink:0;width:16px;height:16px;stroke:var(--err);margin-top:1px;}
footer{margin-top:56px;padding-top:22px;border-top:1px solid var(--line);font-size:11.5px;color:#5C6584;text-align:center;font-family:'JetBrains Mono',monospace;}

.expiry-banner{
  display:flex;gap:12px;align-items:flex-start;margin-bottom:28px;padding:14px 16px;
  background:rgba(201,122,109,.1);border:1px solid rgba(201,122,109,.4);border-radius:8px;
  font-size:13px;line-height:1.55;color:#E8C4BC;
}
.expiry-banner svg{flex-shrink:0;width:18px;height:18px;stroke:var(--err);margin-top:1px;}
.expiry-banner strong{color:#F2D9D3;}

.history-card{margin-top:28px;}
.history-table{width:100%;border-collapse:collapse;font-size:13px;min-width:640px;}
.history-table th{
  text-align:left;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.06em;
  text-transform:uppercase;color:var(--muted);padding:0 10px 10px;border-bottom:1px solid var(--line);
}
.history-table td{padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:middle;}
.history-table tr:last-child td{border-bottom:none;}
.history-table .hist-cn{font-family:'JetBrains Mono',monospace;color:var(--text);word-break:break-all;}
.history-table .hist-super{color:var(--muted);font-size:11px;margin-top:3px;}
.history-table .hist-date{font-family:'JetBrains Mono',monospace;color:var(--muted);font-size:12px;}
.history-table .hist-actions{display:flex;gap:8px;justify-content:flex-end;}
.history-table .hist-actions button{
  padding:6px 10px;border-radius:5px;border:1px solid var(--line);background:transparent;color:var(--text);
  font-family:'Inter',sans-serif;font-size:11.5px;font-weight:500;cursor:pointer;white-space:nowrap;
}
.history-table .hist-actions button:hover{border-color:var(--brass);color:var(--brass-bright);}
.history-table .hist-actions button.danger:hover{border-color:var(--err);color:var(--err);}
.history-table .hist-actions button:disabled{opacity:.4;cursor:not-allowed;}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:20px;
  font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.04em;text-transform:uppercase;
}
.badge::before{content:'';width:6px;height:6px;border-radius:50%;}
.badge.active{background:rgba(127,169,141,.12);color:var(--ok);}
.badge.active::before{background:var(--ok);}
.badge.expiring{background:rgba(192,152,92,.14);color:var(--brass-bright);}
.badge.expiring::before{background:var(--brass-bright);}
.badge.expired{background:rgba(201,122,109,.14);color:var(--err);}
.badge.expired::before{background:var(--err);}
.badge.superseded{background:rgba(139,147,173,.12);color:var(--muted);}
.badge.superseded::before{background:var(--muted);}