:root{--accent:#cf2e2e;--accent-dark:#a82424;--text:#1f1f1f;--muted:#5c5c5c;--border:#d4d4d4;--bg:#fafafa;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,sans-serif;font-size:1.0625rem;line-height:1.5}body{margin:0}main{max-width:40rem;margin:0 auto;padding:1.5rem 1rem}h1{margin:0;font-size:1.5rem}a{color:var(--accent-dark)}.app-icon{display:block}form{flex-direction:column;gap:.5rem;display:flex}label{font-weight:600}input,select,textarea{font:inherit;border:1px solid var(--border);background:#fff;border-radius:.5rem;min-height:2.75rem;padding:0 .75rem}button{font:inherit;border:1px solid var(--accent);color:#fff;background:var(--accent);cursor:pointer;border-radius:.5rem;min-height:2.75rem;padding:0 1.25rem;font-weight:600}button:hover{background:var(--accent-dark)}button.secondary{color:var(--accent-dark);background:0 0}button.secondary:hover{background:#fbeaea}form[aria-busy] button{opacity:.6;pointer-events:none}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.error{color:var(--accent-dark);margin:0;font-weight:600}.login{max-width:22rem;padding-top:20vh}.login h1{margin-bottom:1.5rem}.login .app-icon{margin:0 auto}h1+form,main>h1{margin-bottom:1rem}.button{white-space:nowrap;color:#fff;background:var(--accent);border-radius:.5rem;flex-shrink:0;align-items:center;min-height:2.75rem;padding:0 1.25rem;font-weight:600;text-decoration:none;display:inline-flex}.button:hover{background:var(--accent-dark)}.toolbar{justify-content:space-between;align-items:center;gap:1rem;margin:1.5rem 0 1rem;display:flex}.student-list{border-top:1px solid var(--border);margin:0;padding:0;list-style:none}.student-list li{border-bottom:1px solid var(--border)}.student-list a{color:inherit;flex-direction:column;padding:.75rem .25rem;text-decoration:none;display:flex}.student-list a:hover{background:#f0f0f0}.student-list .name{font-weight:600}.student-list .empty{color:var(--muted);padding:.75rem .25rem}.badge{color:var(--muted);background:#e5e5e5;border-radius:1rem;margin-left:.5rem;padding:.125rem .5rem;font-size:.8125rem;font-weight:600}label.checkbox{align-items:center;gap:.5rem;min-height:2.75rem;display:flex}label.checkbox input{width:1.25rem;height:1.25rem;min-height:0;accent-color:var(--accent)}.danger-zone{border-top:1px solid var(--border);margin-top:2.5rem;padding-top:1.5rem}button.danger{color:var(--accent-dark);background:0 0;align-self:flex-start}button.danger:hover{background:#fbeaea}h2{margin:0 0 .5rem;font-size:1.125rem}.filters{flex-wrap:wrap;justify-content:flex-end;gap:.25rem 1rem;display:flex}.student-list .status{color:var(--accent-dark);font-size:.9375rem;font-weight:600}.row-actions{flex-wrap:wrap;align-items:center;gap:.5rem 1rem;padding:0 .25rem;display:flex}.row-actions:not(:empty){padding-bottom:.75rem}form.inline{color:var(--muted);flex-direction:row;align-items:center}button.link{min-height:2.75rem;color:var(--accent-dark);background:0 0;border:none;padding:0 .25rem;text-decoration:underline}button.link:hover{color:var(--text);background:0 0}.card{border:1px solid var(--border);background:#fff;border-radius:.5rem;margin:1rem 0;padding:1rem}.card p{margin:0 0 .75rem}.date-action-row{flex-wrap:wrap;gap:.5rem;display:flex}.date-action-row input{flex:10rem}.hint{color:var(--muted);margin:0;font-size:.9375rem}main>h2{margin-top:2rem}textarea{resize:vertical;padding:.5rem .75rem}.section{margin-top:2rem}.section .toolbar{margin-top:0}.section h2{margin:0}.student-list .detail{color:var(--muted);font-size:.9375rem}body:has(.bottom-bar) main{padding-bottom:calc(5rem + env(safe-area-inset-bottom))}.bottom-bar{padding:.25rem 0 env(safe-area-inset-bottom);border-top:1px solid var(--border);background:#fff;justify-content:space-around;display:flex;position:fixed;inset:auto 0 0}.bottom-bar a,.bottom-bar button{width:3.5rem;min-height:3rem;color:var(--muted);background:0 0;border:none;border-radius:.5rem;justify-content:center;align-items:center;padding:0;display:flex}.bottom-bar form{display:contents}.bottom-bar a:hover,.bottom-bar button:hover{color:var(--text);background:#f0f0f0}.bottom-bar [aria-current=page]{color:var(--accent);background:#fbeaea}.bar-logo{border-radius:.375rem;display:block}.visually-hidden+.toolbar{margin-top:0}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}