:root{--bg:#f2f5fb;--panel:#fff;--text:#132336;--muted:#5d6b7a;--ok:#1f9d55;--error:#d93025;--pending:#8d98a8;--pending-bg:#eef2f8;--border:#dbe2ee}*{box-sizing:border-box}body{margin:0;background:linear-gradient(140deg,#e8efff 0,var(--bg) 45%);color:var(--text);font-family:Segoe UI,Helvetica Neue,sans-serif}.page{min-height:100vh;display:grid;place-items:center}.card,.page{padding:24px}.card{width:min(760px,100%);background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:0 16px 36px rgba(21,40,66,.1)}h1{margin:0}.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.admin-entry{border:1px solid var(--border);border-radius:999px;padding:7px 12px;background:#fff;color:var(--text);text-decoration:none;font-weight:600;font-size:.9rem}.admin-entry:hover{background:#f6f9ff}.subtitle{margin:8px 0 18px;color:var(--muted)}.row{margin:10px 0}.chain,.row{display:flex;align-items:center;gap:10px}.chain{margin:18px 0 4px;padding:14px;border:1px solid var(--border);border-radius:12px;background:#f7f9ff;justify-content:center;flex-wrap:wrap}.node{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:999px;border:1px solid var(--border);background:#fff}.node-dot{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:.8rem;font-weight:700;color:#fff}.node-label{font-size:.92rem;font-weight:600}.node-ok .node-dot{background:var(--ok)}.node-error .node-dot{background:var(--error)}.node-pending{background:var(--pending-bg)}.node-pending .node-dot{background:var(--pending);animation:pulse 1.1s ease-in-out infinite}.link{width:54px;height:4px;border-radius:999px}.link-ok{background:var(--ok)}.link-error{background:var(--error)}.link-pending{background:var(--pending);opacity:.72}@keyframes pulse{0%,to{opacity:.5}50%{opacity:1}}.label{min-width:82px;color:var(--muted)}code,pre{background:#f5f8ff;border:1px solid var(--border);border-radius:8px}code{padding:3px 8px}pre{margin-top:14px;padding:14px;overflow:auto;white-space:pre-wrap;word-break:break-word}.ok{color:var(--ok)}.error,.ok{font-weight:600}.error{color:var(--error)}.muted{color:var(--muted)}.admin-card{max-width:760px}.admin-login{display:grid;grid-gap:10px;gap:10px;margin:16px 0}.tabs{display:flex;gap:8px;margin-bottom:12px}.tab-btn{border:1px solid var(--border);background:#fff;color:var(--text)}.tab-btn.tab-btn-active{border-color:#9ac5a8;background:#edf8f1;color:#16653a}.admin-login input{border:1px solid var(--border);border-radius:10px;padding:10px 12px;font:inherit}.admin-login select,.users-table input[type=password],.users-table select{border:1px solid var(--border);border-radius:10px;padding:8px 10px;font:inherit;background:#fff}.users-table-wrap{overflow-x:auto}.users-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:.92rem}.users-table td,.users-table th{border-bottom:1px solid var(--border);padding:10px 8px;text-align:left;vertical-align:top}.users-table th{color:var(--muted);font-weight:600}.user-name-cell{display:inline-flex;align-items:center;gap:8px}.self-badge{display:inline-block;border:1px solid #cde7d8;background:#effaf3;color:#1a7f45;border-radius:999px;padding:2px 8px;font-size:.72rem;font-weight:700}.password-cell{display:flex;gap:8px;align-items:center}.password-cell input{width:160px}.row-actions{display:flex;gap:8px}.modal-backdrop{position:fixed;inset:0;background:rgba(19,35,54,.44);display:grid;place-items:center;padding:18px;z-index:50}.modal-card{width:min(460px,100%);background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:0 18px 44px rgba(20,37,61,.2)}.modal-card h3{margin:0 0 8px}.modal-card p{margin:0;color:var(--muted)}.modal-actions{margin-top:14px;display:flex;justify-content:flex-end;gap:8px}.admin-actions{display:flex;gap:10px;margin-bottom:12px;flex-wrap:wrap}button{border:1px solid transparent;border-radius:10px;padding:9px 14px;font:inherit;font-weight:600;cursor:pointer;background:var(--ok);color:#fff}button:disabled{opacity:.6;cursor:not-allowed}button.secondary{border-color:var(--border);background:#fff;color:var(--text)}button.secondary.danger{border-color:#f1c6c3;color:#a72016}@media (max-width:640px){.card-head{flex-wrap:wrap}.chain{flex-direction:column;align-items:center;justify-content:flex-start;gap:8px}.password-cell{flex-direction:column;align-items:stretch}.password-cell input{width:100%}.modal-actions,.row-actions{flex-direction:column}.link{width:4px;height:28px;margin-left:0}}