:root{--bg: #f4f6fb;--card: #ffffff;--border: #e2e8f0;--text: #1e293b;--muted: #64748b;--primary: #2563eb;--primary-dark: #1d4ed8;--green: #16a34a;--green-bg: #dcfce7;--red: #dc2626;--red-bg: #fee2e2;--radius: 12px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--primary)}.container{max-width:960px;margin:0 auto;padding:24px 16px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:0 1px 3px #0000000d}.navbar{display:flex;align-items:center;justify-content:space-between;background:var(--card);border-bottom:1px solid var(--border);padding:12px 24px}.navbar .brand{font-weight:700;color:var(--primary);text-decoration:none;font-size:17px}.navbar .user{color:var(--muted);font-size:14px;display:flex;align-items:center;gap:12px}h1{font-size:24px;margin:0 0 4px}h2{font-size:18px;margin:0 0 12px}.subtitle{color:var(--muted);margin:0 0 20px}button,.btn{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:8px 16px;font-size:14px;cursor:pointer;text-decoration:none;display:inline-block}button:hover,.btn:hover{background:var(--primary-dark)}button:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary)}.btn-ghost:hover{background:var(--primary);color:#fff}.btn-danger{background:var(--red)}.btn-danger:hover{background:#b91c1c}.btn-outline-danger{background:transparent;color:var(--red);border:1px solid var(--red)}.btn-outline-danger:hover{background:var(--red);color:#fff}input,select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff}label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text)}.form-group{margin-bottom:14px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge-active{background:var(--green-bg);color:var(--green)}.badge-revoked{background:var(--red-bg);color:var(--red)}.alert{padding:12px 16px;border-radius:8px;margin:12px 0;font-size:14px}.alert-error{background:var(--red-bg);color:var(--red)}.alert-success{background:var(--green-bg);color:var(--green)}.verify-card{text-align:center;padding:40px 24px;max-width:640px}.verify-badge{width:84px;height:84px;border-radius:999px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:40px;font-weight:800;color:#fff}.verify-badge.valid{background:var(--green)}.verify-badge.invalid{background:var(--red)}.verify-title{font-size:26px;margin-bottom:4px}.verify-message{color:var(--muted);margin-bottom:20px}.verify-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:20px}.verify-meta .kv{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px}.verify-meta .kv .k{font-size:12px;color:var(--muted);text-transform:uppercase}.verify-meta .kv .v{font-size:15px;font-weight:600}.verify-meta .kv .v.time{font-size:13px;font-weight:500}.doc-preview{margin-top:8px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff}.doc-preview img{display:block;max-width:100%;max-height:480px;margin:0 auto}.doc-preview iframe{width:100%;height:480px;border:none}.flex{display:flex;gap:8px;flex-wrap:wrap}.sql{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:#f1f5f9;padding:2px 6px;border-radius:6px;word-break:break-all;color:var(--text)}.link-btn{background:none;border:none;color:var(--primary);padding:0;font-size:14px;cursor:pointer;text-decoration:underline}.spinner{text-align:center;color:var(--muted);padding:40px}.loading{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:36px;height:36px;animation:spin .8s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}