:root{--bg:#f4f7fb;--card:#fff;--ink:#172033;--muted:#667085;--primary:#1d4ed8;--primary2:#173eaa;--danger:#b42318;--success:#067647;--border:#d8e0ec;--soft:#eaf1ff;--warning:#fff7db;--code:#101828;--shadow:0 10px 30px rgba(24,39,75,.08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Segoe UI,Arial,sans-serif;line-height:1.5}.site-header{display:flex;align-items:center;gap:24px;padding:14px 24px;background:#0f1f3d;color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 3px 18px rgba(0,0,0,.18)}.brand a{color:#fff;text-decoration:none;font-size:1.25rem;font-weight:800}.brand span{color:#9ec1ff;font-weight:600}.site-header nav{display:flex;gap:16px;flex:1;flex-wrap:wrap}.site-header nav a{color:#dce8ff;text-decoration:none}.site-header nav a:hover{color:#fff}.user-menu{display:flex;align-items:center;gap:8px;font-size:.88rem}.container{max-width:1320px;margin:0 auto;padding:28px 22px 60px}.page-heading h1{margin:0 0 22px;font-size:2rem}.site-footer{text-align:center;padding:22px;color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:var(--shadow);margin-bottom:20px}.hero{background:linear-gradient(125deg,#173eaa,#2d6be8);color:#fff;border-radius:18px;padding:28px;display:flex;justify-content:space-between;gap:30px;align-items:center;margin-bottom:22px}.hero h2{margin-top:0;font-size:1.65rem}.mini-flow{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.mini-flow span{background:rgba(255,255,255,.15);padding:8px 10px;border-radius:9px}.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:22px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.stat-card strong{font-size:2rem;display:block;color:var(--primary)}.stat-card span{color:var(--muted)}.learning-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.two-column{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:20px;align-items:start}.sticky-preview{position:sticky;top:92px}.section-title,.toolbar,.rule-card-head,.form-actions{display:flex;justify-content:space-between;align-items:center;gap:14px}.toolbar{margin-bottom:18px;flex-wrap:wrap}.actions,.inline-form{display:inline-flex;align-items:center;gap:8px}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;padding:10px 15px;background:var(--primary);color:#fff;text-decoration:none;font-weight:700;cursor:pointer}.button:hover{background:var(--primary2)}.button-secondary{background:#e8eef9;color:#183153}.button-secondary:hover{background:#dbe6f7}.button-danger{background:var(--danger)}.button-small{padding:6px 9px;font-size:.82rem}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.stack-form{display:grid;gap:14px}label{display:grid;gap:6px;font-weight:700;margin:10px 0}input,select,textarea{width:100%;padding:10px 11px;border:1px solid #bfcadc;border-radius:8px;background:#fff;color:var(--ink);font:inherit}textarea{resize:vertical}input:focus,select:focus,textarea:focus{outline:3px solid rgba(29,78,216,.14);border-color:var(--primary)}.filter-form{display:flex;gap:8px;flex:1;max-width:850px}.filter-form input{flex:1}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px 10px;border-bottom:1px solid #e5eaf2;text-align:left;vertical-align:top}th{font-size:.84rem;text-transform:uppercase;letter-spacing:.03em;color:#475467;background:#f8fafd}.badge{display:inline-block;padding:5px 9px;border-radius:999px;font-size:.78rem;font-weight:800}.badge-draft{background:#fff4cc;color:#7a4e00}.badge-validated{background:#dff7ea;color:#067647}.badge-archived{background:#eceff3;color:#475467}.alert{padding:12px 15px;border-radius:10px;margin-bottom:16px;border:1px solid}.alert-error{background:#fff0ef;border-color:#f4b6b1;color:#8a1c13}.alert-success{background:#eafaf1;border-color:#a9e5c5;color:#05603a}.pedagogy-banner,.help-box,.final-policy-box{background:var(--warning);border:1px solid #efd881;border-radius:11px;padding:13px 15px;margin-bottom:18px}.rule-card{border:1px solid var(--border);border-left:5px solid var(--primary);border-radius:13px;padding:17px;margin:16px 0;background:#fbfdff}.rule-actions{display:flex;gap:7px}.rule-actions button{border:1px solid var(--border);background:#fff;border-radius:7px;padding:6px 9px;cursor:pointer}.danger-link{color:var(--danger)}.port-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.port-box{border:1px solid var(--border);border-radius:10px;padding:12px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:9px}.port-box legend{font-weight:800;padding:0 6px}.live-rule{background:#eef4ff;border-radius:10px;padding:12px;margin-top:12px}.live-rule code{display:block;font-weight:800;color:#153d91;overflow-wrap:anywhere}.config-preview{background:var(--code);color:#d7e5ff;border-radius:12px;padding:18px;min-height:220px;overflow:auto;white-space:pre-wrap}.rule-explanation{display:grid;grid-template-columns:52px 1fr;gap:15px;border-bottom:1px solid var(--border);padding:16px 0}.rule-sequence{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--primary);font-weight:900}.details{display:grid;grid-template-columns:140px 1fr;gap:10px}.details dt{font-weight:800}.details dd{margin:0}.auth-card{max-width:520px;margin:50px auto;background:#fff;border-radius:18px;padding:28px;border:1px solid var(--border);box-shadow:var(--shadow)}.lead{font-size:1.1rem}.muted,small{color:var(--muted)}.empty-state{text-align:center;color:var(--muted);padding:24px}.pedagogy-list li{margin:10px 0}.form-actions{justify-content:flex-end;margin:22px 0}@media(max-width:1000px){.stats-grid{grid-template-columns:repeat(2,1fr)}.two-column,.learning-grid{grid-template-columns:1fr}.sticky-preview{position:static}.site-header{flex-wrap:wrap}.user-menu{width:100%}}@media(max-width:700px){.container{padding:18px 12px}.form-grid,.form-grid.three,.port-grid,.port-box{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr}.hero{flex-direction:column;align-items:flex-start}.filter-form{flex-direction:column}.site-header nav{width:100%}.details{grid-template-columns:1fr}.rule-explanation{grid-template-columns:1fr}}