:root{color-scheme:light;--bg: #f6f7fb;--surface: #ffffff;--surface-subtle: #f9fafc;--border: #d9e0ec;--border-strong: #c6d0df;--text: #111827;--muted: #667085;--muted-2: #98a2b3;--brand: #4f46e5;--brand-strong: #3730a3;--brand-soft: #eef2ff;--danger: #b42318;--success: #027a48;--shadow: 0 16px 40px rgba(16, 24, 40, .08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{border:0;cursor:pointer}.auth-shell{display:grid;min-height:100vh;place-items:center;padding:32px}.auth-card{width:min(440px,100%);border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow);padding:28px}.brand-lockup{display:flex;align-items:center;gap:12px;margin-bottom:28px}.brand-mark{display:grid;width:40px;height:40px;place-items:center;border-radius:8px;color:#fff;background:var(--brand)}.eyebrow{color:var(--muted);font-size:13px;font-weight:600}.auth-card h1,.page-title h1{margin:0;font-size:24px;line-height:1.25}.auth-card p,.page-title p{color:var(--muted);line-height:1.6}.form-stack{display:grid;gap:14px}.field{display:grid;gap:7px}.field span{color:#344054;font-size:13px;font-weight:700}.input{width:100%;border:1px solid var(--border-strong);border-radius:8px;background:#fff;color:var(--text);padding:11px 12px;outline:none}.input:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 4px #4f46e51f}.button{display:inline-flex;min-height:40px;align-items:center;justify-content:center;gap:8px;border-radius:8px;padding:10px 14px;font-weight:700}.button.primary{color:#fff;background:var(--brand)}.button.secondary{border:1px solid var(--border);color:#344054;background:#fff}.button:disabled{cursor:not-allowed;opacity:.62}.error{border:1px solid #fecdca;border-radius:8px;background:#fffbfa;color:var(--danger);padding:10px 12px;font-size:13px}.app-shell{display:grid;min-height:100vh;grid-template-columns:248px 1fr}.sidebar{border-right:1px solid var(--border);background:#fff;padding:20px 14px}.nav{display:grid;gap:6px;margin-top:24px}.nav a{display:flex;align-items:center;gap:10px;border-radius:8px;color:#344054;padding:10px 12px;font-weight:700}.nav a.active{color:var(--brand);background:var(--brand-soft)}.main{min-width:0;padding:28px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.grid{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}.card,.panel{border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:0 1px 2px #1018280a}.card{padding:18px}.metric{margin-top:8px;font-size:28px;font-weight:800}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);padding:16px 18px}.panel-body{padding:18px}.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid var(--border);padding:12px 10px;text-align:left;vertical-align:top}.table th{color:#475467;font-size:12px;text-transform:uppercase}.pill{display:inline-flex;align-items:center;border-radius:999px;background:var(--brand-soft);color:var(--brand-strong);padding:3px 9px;font-size:12px;font-weight:800}.empty{color:var(--muted);padding:36px 12px;text-align:center}.empty.compact{padding:18px 10px}.zone-page{display:grid;align-items:start;gap:18px;grid-template-columns:minmax(280px,360px) minmax(0,1fr)}.zone-detail{display:grid;gap:18px;min-width:0}.zone-list{display:grid}.zone-row{display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--border);background:#fff;color:var(--text);padding:13px 16px;text-align:left}.zone-row:hover,.zone-row.active{background:var(--surface-subtle)}.zone-row span:first-child{display:grid;gap:3px;min-width:0}.zone-row span span{overflow:hidden;color:var(--muted);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.status-active{color:var(--success);background:#ecfdf3}.status-pending,.status-verifying{color:#b54708;background:#fffaeb}.status-disabled,.status-block{color:var(--danger);background:#fffbfa}.zone-meta-grid,.analytics-grid{display:grid;gap:14px;grid-template-columns:repeat(4,minmax(0,1fr))}.info-block,.metric-tile{display:grid;gap:6px;min-width:0;border:1px solid var(--border);border-radius:8px;background:var(--surface-subtle);padding:12px}.info-block span,.metric-tile span{color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase}.info-block strong,.metric-tile strong{overflow-wrap:anywhere}code{overflow-wrap:anywhere;color:#1d2939;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:12px}.rule-grid{display:grid;gap:18px;grid-template-columns:minmax(260px,340px) minmax(0,1fr)}.rule-builder,.rule-list{display:grid;align-content:start;gap:12px}.segmented{display:inline-flex;overflow:hidden;width:max-content;max-width:100%;border:1px solid var(--border);border-radius:8px;background:#fff}.segmented button{min-width:58px;border-right:1px solid var(--border);background:#fff;color:#344054;padding:9px 11px;font-weight:800}.segmented button:last-child{border-right:0}.segmented button.active{color:var(--brand);background:var(--brand-soft)}.segmented.small button{min-width:46px;padding:7px 10px}.form-row{display:grid;gap:12px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.small-field{max-width:140px}.toggle{display:flex;align-items:center;gap:9px;color:#344054;font-weight:800}.rule-item{display:grid;align-items:center;gap:12px;grid-template-columns:minmax(140px,220px) minmax(0,1fr) 40px;border:1px solid var(--border);border-radius:8px;padding:12px}.icon-button{display:inline-grid;width:40px;height:40px;place-items:center;border:1px solid var(--border);border-radius:8px;background:#fff;color:#344054}.metric-tile strong{font-size:24px}.span-3{grid-column:1 / -1}.mini-bars{display:flex;align-items:end;gap:4px;min-height:92px;border:1px solid var(--border);border-radius:8px;background:var(--surface-subtle);padding:12px}.mini-bars span{flex:1;min-width:4px;border-radius:4px 4px 0 0;background:var(--brand)}.event-table{overflow-x:auto}.spin{animation:spin .85s linear infinite}.modal.wide{width:min(640px,100%)}@keyframes spin{to{transform:rotate(360deg)}}.modal-backdrop{position:fixed;inset:0;display:grid;place-items:center;background:#0f172a70;padding:20px}.modal{width:min(460px,100%);border-radius:8px;background:#fff;box-shadow:var(--shadow)}.modal .panel-head{border-radius:8px 8px 0 0}@media(max-width:860px){.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:5;border-right:0;border-bottom:1px solid var(--border)}.nav{grid-auto-flow:column;overflow-x:auto}.main{padding:20px}.grid,.zone-page,.rule-grid,.form-row,.zone-meta-grid,.analytics-grid{grid-template-columns:1fr}.rule-item{grid-template-columns:1fr 40px}.rule-item code{grid-column:1 / -1}}