:root{--ink:#100569;--ink-soft:#07022e;--ink-softer:#2f2499;--paper:#F7F2E6;--paper-line: rgba(237,230,214,.18);--paper-line-strong: #D9CFB4;--ink-text:#20262C;--paper-text:#EDE6D6;--muted:#8E96A2;--brass:#C79A3E;--brass-dark:#A67F2E;--plum:#8A4B60;--teal:#4A8B81;--danger:#B45C4C}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}body{font-family:Inter,sans-serif;background:var(--ink);color:var(--paper-text)}.mono{font-family:Space Mono,monospace}.display{font-family:Fraunces,serif}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--ink-soft);border-right:1px solid var(--ink-softer);display:flex;flex-direction:column;padding:28px 20px}.brand .mark{font-size:22px;line-height:1.2}.brand .tagline{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;margin-top:4px}.brand-logo{width:100%;max-width:172px;display:block}.nav{display:flex;flex-direction:column;gap:4px;margin-top:32px}.nav 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var(--brass)}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--ink)}.auth-card{background:var(--paper);color:var(--ink-text);border-radius:12px;padding:36px;width:100%;max-width:380px}.auth-card h1{font-family:Fraunces,serif;font-size:26px;margin:0 0 4px}.auth-card p.sub{color:#5b5346;font-size:13px;margin:0 0 24px}.assign-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}@media (max-width: 800px){.assign-columns{grid-template-columns:1fr}}.dropzone{background:var(--ink-soft);border:2px dashed var(--ink-softer);border-radius:10px;padding:16px;min-height:200px}.dropzone.over{border-color:var(--brass)}.assigned-item{background:var(--paper);color:var(--ink-text);border-radius:8px;padding:10px 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10px;font-size:13px}.sidebar-footer{margin-top:0;padding-top:0;display:flex;flex-wrap:wrap;align-items:center;gap:14px;width:100%;order:99}.main{padding:24px 20px;max-height:none;overflow-y:visible}.staff-row{flex-direction:column;align-items:flex-start;gap:10px}.tab-title{font-size:23px}.grid{grid-template-columns:1fr}.card h3{font-size:16px;overflow-wrap:anywhere}.student-header{gap:10px}.field-row{flex-direction:column}}