:root{--font-body:"Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;--font-heading:"Inter Tight", "Trebuchet MS", "Lucida Sans Unicode", sans-serif;--color-bg:#f3f6fa;--color-surface:#fff;--color-surface-strong:#f4f8ff;--color-text:#193246;--color-text-soft:#4d677c;--color-border:#d5deea;--color-primary:#0b5fae;--color-primary-hover:#074e92;--color-danger:#b91c1c;--color-success:#0a7a2d;--color-warning:#9a5b00;--color-info:#1f4aa8;--color-neutral:#5a6f83;--radius-sm:8px;--radius-md:14px;--space-1:.5rem;--space-2:.75rem;--space-3:1rem;--space-4:1.5rem;--space-5:2rem;--shadow-soft:0 8px 24px #0b5fae14}*,:before,:after{box-sizing:border-box}body{min-width:320px;min-height:100vh;font-family:var(--font-body);color:var(--color-text);background:radial-gradient(circle at 20% 20%, #dcecff 0%, var(--color-bg) 38%);margin:0}#root{min-height:100vh}h1,h2,h3{font-family:var(--font-heading);margin:0}h1{font-size:clamp(1.7rem,2.2vw,2.1rem)}h2{font-size:clamp(1.35rem,1.8vw,1.7rem)}p{margin:0}label{margin-bottom:var(--space-1);color:var(--color-text);font-weight:600;display:inline-block}input,select{border:1px solid var(--color-border);border-radius:var(--radius-sm);width:100%;color:var(--color-text);background:var(--color-surface);padding:.66rem .75rem;font-size:.96rem}input:focus-visible,select:focus-visible,button:focus-visible,.nav-link:focus-visible,.inline-link:focus-visible{outline-offset:2px;outline:3px solid #8dc1ff}button{cursor:pointer;border:none;font-family:inherit}.auth-screen{min-height:100vh;padding:var(--space-4);place-items:center;display:grid}.auth-card{gap:var(--space-3);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);width:min(100%,440px);box-shadow:var(--shadow-soft);padding:var(--space-5);display:grid}.eyebrow{margin-bottom:var(--space-1);text-transform:uppercase;letter-spacing:.12em;color:var(--color-primary);font-size:.74rem;font-weight:700}.help-text{color:var(--color-text-soft)}.primary-button,.ui-button,.ui-button-primary{background:var(--color-primary);color:#fff;border-radius:var(--radius-sm);min-height:2.5rem;padding:.72rem 1rem;font-weight:700;transition:background-color .12s ease-in}.primary-button:hover,.ui-button-primary:hover{background:var(--color-primary-hover)}.primary-button:disabled,.ui-button:disabled{opacity:.6;cursor:wait}.ghost-button,.ui-button-secondary{color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:0 0;min-height:2.5rem;padding:.56rem .85rem}.ui-button-danger{background:var(--color-danger);color:#fff;border-radius:var(--radius-sm);border:1px solid #9f1717;min-height:2.5rem;padding:.56rem .85rem}.ui-button-secondary:disabled,.ui-button-danger:disabled{cursor:not-allowed}.inline-link{color:var(--color-primary);font-weight:600;text-decoration:none}.inline-link:hover{text-decoration:underline}.error-box,.success-box,.info-box{border-radius:var(--radius-sm);padding:var(--space-2);font-size:.93rem}.error-box{color:var(--color-danger);background:#fff5f5;border:1px solid #f3c2c2}.success-box{color:#086a28;background:#f1fcf4;border:1px solid #bce6c7}.info-box{color:var(--color-info);background:#f2f7ff;border:1px solid #bbd2fa}.app-shell{min-height:100vh}.topbar{justify-content:space-between;gap:var(--space-4);padding:var(--space-4);border-bottom:1px solid var(--color-border);background:linear-gradient(120deg,#e7f2ff 0%,#fcfdff 100%);align-items:flex-start;display:flex}.brand{margin-top:var(--space-1)}.session-meta{justify-items:end;gap:var(--space-1);text-align:right;display:grid}.content-shell{grid-template-columns:220px minmax(0,1fr);min-height:calc(100vh - 104px);display:grid}.sidebar{border-right:1px solid var(--color-border);background:var(--color-surface);padding:var(--space-3);gap:var(--space-1);align-content:start;display:grid}.nav-link{border-radius:var(--radius-sm);color:var(--color-text-soft);padding:.65rem .8rem;font-weight:600;text-decoration:none}.nav-link.active{color:var(--color-primary);background:#e8f2ff}.content{padding:var(--space-4);gap:var(--space-4);align-content:start;display:grid}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);padding:var(--space-4)}.table-card{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:var(--space-2);border-bottom:1px solid var(--color-border);vertical-align:middle}th{text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-soft);font-size:.86rem}.badge{border-radius:999px;padding:.2rem .58rem;font-size:.74rem;font-weight:700;display:inline-block}.badge-success{color:var(--color-success);background:#defbe5}.badge-danger{color:var(--color-danger);background:#ffe1e1}.badge-info{color:var(--color-info);background:#e4ecff}.badge-warning{color:var(--color-warning);background:#ffe9cb}.badge-neutral{color:var(--color-neutral);background:#e8edf2}.inline-form{gap:var(--space-3);grid-template-columns:repeat(3,minmax(0,1fr));align-items:end;display:grid}.button-row{gap:var(--space-2);margin-top:var(--space-3);display:flex}.status-panel{text-align:center;min-height:100vh;padding:var(--space-5);place-items:center;display:grid}.empty-state{gap:var(--space-2);display:grid}@media (width<=900px){.content-shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--color-border);grid-auto-columns:max-content;grid-auto-flow:column;overflow-x:auto}.topbar{gap:var(--space-3);display:grid}.session-meta{text-align:left;justify-items:start}.inline-form{grid-template-columns:1fr}}