:root{--ink:#122b3b;--muted:#64727b;--paper:#f5f3ed;--card:#fff;--line:#d9dfe1;--blue:#2f6f8d;--green:#376d58;--orange:#b44720;--red:#a83b36;--shadow:0 14px 35px rgba(18,43,59,.08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f5f3ed 0,#f8f7f3 45%,#f1f4f4 100%);min-height:100vh}a{color:inherit}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px;z-index:99}.shell{width:min(1180px,calc(100% - 28px));margin:auto}.topbar{display:flex;gap:22px;align-items:center;padding:16px 0;position:sticky;top:0;z-index:20;background:rgba(245,243,237,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(18,43,59,.08)}.brand{display:flex;gap:9px;align-items:center;text-decoration:none;min-width:170px}.brand-badge{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--ink);color:white;font-weight:900}.brand b{font-size:18px}.brand small{display:block;color:var(--muted)}nav{display:flex;gap:6px;flex:1;overflow:auto}nav a{white-space:nowrap;text-decoration:none;padding:9px 11px;border-radius:10px;font-weight:700;font-size:14px}nav a:hover,nav a.active{background:#fff;box-shadow:0 1px 0 rgba(18,43,59,.08)}.session-mini{font-size:13px;color:var(--muted);text-align:right}.main{padding:24px 0 60px}.hero{background:var(--ink);color:#fff;border-radius:24px;padding:28px;display:flex;justify-content:space-between;gap:24px;align-items:end;box-shadow:var(--shadow)}.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.02;margin:7px 0 10px;letter-spacing:-.035em}.hero p{margin:0;max-width:700px;color:#dbe5ea;font-size:17px}.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:11px;font-weight:900;color:#6f8d9b}.hero .eyebrow{color:#a8cad8}.hero-actions{display:flex;gap:8px;flex-wrap:wrap}.button,button{font:inherit}.button{appearance:none;border:0;border-radius:12px;background:var(--blue);color:white;padding:11px 15px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.button.secondary{background:#fff;color:var(--ink)}.button.ghost{background:#eef3f4;color:var(--ink)}.button.danger{background:var(--red)}.button.small{padding:7px 10px;font-size:13px}.statusbar{margin:14px 0;padding:10px 14px;border-radius:12px;background:#e9f1f4;color:#2c5365;font-size:14px}.statusbar.error{background:#fae8e6;color:#7e2e2a}.statusbar.ok{background:#e6f1eb;color:#285943}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:18px 0}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 6px 18px rgba(18,43,59,.035)}.stat b{display:block;font-size:28px;margin-top:5px}.stat small{color:var(--muted)}.dashboard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:16px 0}.panel{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 8px 24px rgba(18,43,59,.04);margin:16px 0}.dashboard-grid .panel{margin:0}.span2{grid-column:span 2}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:14px}.panel-head h2{margin:3px 0 0;font-size:22px}.panel-head>a{font-size:13px;color:var(--blue);font-weight:800}.list{display:grid;gap:10px}.item{border:1px solid #e2e6e7;border-radius:14px;padding:13px;background:#fbfcfc}.item h3{margin:0 0 5px;font-size:16px}.item p{margin:4px 0;color:#52636c}.item-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}.pill{display:inline-flex;align-items:center;border-radius:999px;background:#edf2f4;padding:4px 8px;font-size:12px;font-weight:800;color:#49616d}.pill.warn{background:#fff0df;color:#8a4b15}.pill.danger{background:#fae6e3;color:#8b302c}.pill.ok{background:#e4f0e9;color:#2f624e}.empty{padding:18px;border:1px dashed #ccd5d8;border-radius:14px;color:var(--muted);text-align:center}.curriculum-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.curriculum-card{border:1px solid var(--line);border-radius:15px;padding:15px;background:#fbfcfc}.curriculum-card h3{margin:5px 0}.progress{height:7px;background:#e7ebec;border-radius:99px;overflow:hidden;margin-top:9px}.progress>i{display:block;height:100%;background:var(--green);border-radius:99px}.login-box{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;max-width:720px}.login-box input,.inline-form input,.field input,.field textarea,.field 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var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:650px;background:#fff}th,td{text-align:left;border-bottom:1px solid #e7eaeb;padding:10px 11px;font-size:13px;vertical-align:top}th{background:#f3f6f6;font-size:12px;text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:0}.actions{display:flex;gap:6px;flex-wrap:wrap}.admin-gate{max-width:580px;margin:40px auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px}.inline-form{display:flex;gap:9px}.notice{border-left:4px solid var(--blue);background:#eff5f7;padding:12px 14px;border-radius:8px;margin:10px 0}.notice.warn{border-color:var(--orange);background:#fff4e8}.notice.danger{border-color:var(--red);background:#fcebea}.os-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.os-card{border:1px solid var(--line);border-radius:15px;padding:15px}.os-card h3{margin:0 0 7px}.modal-card{border:0;border-radius:18px;min-width:min(680px,90vw);max-width:850px;padding:24px;color:var(--ink)}dialog{border:0;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.25)}dialog::backdrop{background:rgba(18,43,59,.48)}.modal-close{float:right;border:0;background:transparent;font-size:28px;cursor:pointer}.footer{border-top:1px solid var(--line);padding:20px 0 30px;display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.hidden{display:none!important}@media(max-width:850px){.topbar{align-items:flex-start;flex-wrap:wrap}.topbar nav{order:3;width:100%}.session-mini{margin-left:auto}.hero{align-items:flex-start;flex-direction:column}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-grid,.workspace-grid{grid-template-columns:1fr}.span2{grid-column:auto}.curriculum-grid{grid-template-columns:1fr 1fr}.login-box{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}}@media(max-width:520px){.shell{width:min(100% - 18px,1180px)}.brand{min-width:auto}.brand small{display:none}.hero{padding:20px;border-radius:18px}.stats{grid-template-columns:1fr 1fr}.curriculum-grid{grid-template-columns:1fr}.panel{padding:15px;border-radius:16px}.footer{display:grid;gap:5px}.topbar{position:relative}.topbar nav a{padding:8px 9px}}