:root{color:#202124;background:#f6f7f9;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,select{font:inherit}button{border:0;cursor:pointer}.app-shell{display:grid;grid-template-columns:264px 1fr;min-height:100vh}.auth-page-shell{min-height:100vh;display:grid;grid-template-columns:minmax(280px,380px) 1fr;background:#f6f7f9}.auth-rail{background:#172026;color:#eef4ef;padding:28px;display:grid;align-content:start;gap:28px}.auth-copy{display:grid;gap:10px;margin-top:28px}.auth-copy h1{color:#fff;max-width:10ch}.auth-copy p{color:#b7c7c3;line-height:1.55}.auth-page-nav{display:grid;gap:10px}.auth-page-nav button{min-height:46px;border-radius:8px;display:flex;align-items:center;gap:10px;padding:0 12px;background:transparent;color:#dbe7e2;font-weight:800;text-align:left}.auth-page-nav button.active{background:#253239;color:#fff}.auth-main{min-width:0;padding:32px;display:grid;grid-template-columns:minmax(300px,520px);align-content:center;justify-content:center;gap:14px}.auth-page-card,.auth-api-card{border:1px solid #e1e6e5;background:#fff;border-radius:8px;padding:20px}.auth-page-form{display:grid;gap:14px}.auth-page-form p{color:#708084;line-height:1.45;margin-top:6px}.auth-error{color:#b42318;font-size:.84rem}.sidebar{background:#172026;color:#eef4ef;padding:24px 18px;display:flex;flex-direction:column;gap:28px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;display:grid;place-items:center;border-radius:8px;background:#2bc48a;color:#10201a;font-weight:800}.brand strong,.brand span{display:block}.brand span,.quota-panel span,.metric span,.panel p,.card-actions span,dt,.eyebrow,.connection{color:#708084;font-size:.82rem}.sidebar .brand span,.sidebar .quota-panel span{color:#a6b5b4}.nav{display:grid;gap:8px}.nav button,.quota-panel{display:flex;align-items:center;gap:10px;border-radius:8px;padding:12px;color:#dbe7e2;background:transparent}.nav button.active{background:#253239;color:#fff}.quota-panel{margin-top:auto;background:#253239}.main{min-width:0;padding:28px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:24px}h1,h2,h3,p{margin:0}h1{font-size:clamp(1.75rem,4vw,2.45rem);line-height:1.08;margin-top:4px}h2{font-size:1.05rem}h3{font-size:1rem;margin-top:10px;margin-bottom:4px}.api-control{display:grid;grid-template-columns:minmax(180px,240px) minmax(160px,220px) 40px;align-items:end;gap:10px}label{display:grid;gap:6px;color:#435154;font-size:.78rem;font-weight:700}input,select{width:100%;min-height:40px;border:1px solid #d9e0df;border-radius:8px;background:#fff;color:#202124;padding:0 12px}.connection{grid-column:1 / -1;text-align:right}.content-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:18px}.auth-band{border:1px solid #e1e6e5;background:#fff;border-radius:8px;padding:14px;margin-bottom:18px;display:grid;grid-template-columns:minmax(220px,1fr) minmax(260px,1.25fr) auto;align-items:center;gap:14px}.login-band{grid-template-columns:auto minmax(300px,1fr) minmax(180px,.6fr)}.profile-main{display:flex;align-items:center;gap:12px;min-width:0}.profile-avatar{width:46px;height:46px;display:grid;place-items:center;border-radius:8px;background:#eef2f2;color:#2155bf}.role-card{display:grid;gap:8px}.role-badge{width:fit-content;min-height:26px;display:inline-flex;align-items:center;border-radius:999px;padding:0 10px;font-size:.76rem;font-weight:900;text-transform:uppercase}.role-student{background:#e7f8ef;color:#0f7c55}.role-admin,.role-superadmin{background:#eaf0ff;color:#214fb0}.permission-row{display:flex;flex-wrap:wrap;gap:6px}.permission-row span{background:#f3f6f5;border-radius:999px;color:#435154;font-size:.75rem;padding:5px 8px}.auth-tabs,.auth-form{display:flex;align-items:end;gap:10px}.auth-tabs button{min-height:40px;border-radius:8px;padding:0 12px;display:inline-flex;align-items:center;gap:8px;background:#eef2f2;color:#253239;font-weight:800}.auth-tabs button.active{background:#172026;color:#fff}.auth-form{display:grid;grid-template-columns:repeat(3,minmax(120px,1fr)) auto}.auth-note{display:grid;gap:6px;color:#708084;font-size:.78rem}.auth-note strong{color:#b42318}.metrics-strip{grid-column:1 / -1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric,.panel,.test-card{border:1px solid #e1e6e5;background:#fff;border-radius:8px}.metric{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;padding:14px}.metric-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:8px;background:#e7f8ef;color:#159a67}.metric svg{width:19px;height:19px}.metric strong{display:block;font-size:1.35rem}.metric em{justify-self:end;color:#0f8f61;font-style:normal;font-size:.78rem;font-weight:800}.panel{padding:18px}.panel.wide{grid-row:span 2}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.panel-heading.compact{margin-bottom:14px}.command-button,.primary-button,.icon-button{min-height:40px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800}.command-button,.icon-button{background:#eef2f2;color:#253239}.primary-button{background:#2155bf;color:#fff;padding:0 14px}.icon-button{width:40px;padding:0}.primary-button.full{width:100%;margin-top:14px}.test-list{display:grid;gap:12px}.test-card{padding:16px;display:grid;grid-template-columns:1fr auto;gap:14px}.pill{display:inline-flex;align-items:center;min-height:24px;border-radius:999px;padding:0 9px;background:#e7f8ef;color:#0f7c55;font-size:.75rem;font-weight:800}dl{display:grid;grid-template-columns:repeat(3,minmax(82px,1fr));gap:10px;margin:0;grid-column:1 / -1}dd{margin:2px 0 0;font-weight:800}.card-actions{grid-column:1 / -1;display:flex;align-items:center;justify-content:flex-end;gap:10px}.card-actions span{margin-right:auto}.form-grid,.setting-list{display:grid;gap:12px}.result-line,.attempt-box{margin-top:14px;border:1px solid #e1e6e5;background:#f8faf9;border-radius:8px;padding:12px;color:#435154;font-size:.86rem}.attempt-box{display:grid;gap:6px}.attempt-box strong,.attempt-box span{display:block}.progress-stack{display:grid;gap:14px}.bar-row{display:grid;grid-template-columns:minmax(96px,1fr) minmax(100px,1.2fr) 42px;align-items:center;gap:10px;font-size:.84rem}.bar-track{height:10px;background:#edf0f0;border-radius:999px;overflow:hidden}.bar-track div{height:100%;border-radius:inherit;background:#2bc48a}table{width:100%;border-collapse:collapse;font-size:.88rem}th,td{text-align:left;padding:13px 10px;border-bottom:1px solid #edf0f0}th{color:#59676a;font-size:.75rem;text-transform:uppercase}@media (max-width: 980px){.auth-page-shell,.app-shell{grid-template-columns:1fr}.auth-main{padding:18px;justify-content:stretch}.sidebar{position:static;padding:16px}.nav{grid-template-columns:repeat(2,minmax(0,1fr))}.quota-panel{margin-top:0}.topbar,.content-grid{grid-template-columns:1fr}.topbar{display:grid}.api-control,.auth-band,.login-band,.metrics-strip,.auth-form{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.main{padding:16px}.api-control,.auth-band,.login-band,.auth-form,.auth-tabs,.metrics-strip,.test-card,dl,.bar-row{grid-template-columns:1fr}.connection,.card-actions{text-align:left;justify-content:flex-start}.card-actions{flex-wrap:wrap}table{display:block;overflow-x:auto;white-space:nowrap}}