:root{font-family:'Segoe UI',Arial,sans-serif;color:#213b38;background:#f4f7f5;--teal:#17695e;--line:#d9e5df;--muted:#637870;--soft:#edf5ee}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a{touch-action:manipulation}a{color:var(--teal)}button{cursor:pointer}button:disabled{opacity:.55;cursor:default}[hidden]{display:none!important}:focus-visible{outline:3px solid #c98c3b;outline-offset:3px}.skip{position:absolute;top:-100px;background:white;padding:14px;z-index:99}.skip:focus{top:4px}.topbar{display:flex;align-items:center;gap:24px;padding:18px max(24px,calc((100vw - 1450px)/2));background:white;border-bottom:1px solid var(--line);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:700;color:#213b38;font-size:17px}.brand b{color:var(--teal)}.brand small{display:block;font-size:8px;letter-spacing:1.2px;font-weight:600;margin-top:5px;color:var(--muted)}.brand-mark{background:var(--teal);color:#fff;font-family:Georgia,serif;font-size:28px;letter-spacing:-2px;padding:6px 10px 9px;border-radius:12px}.topbar nav{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}.topbar nav a{padding:11px 15px;text-decoration:none;border-radius:24px;font-size:13px;white-space:nowrap}.topbar nav a.current{background:var(--soft);font-weight:700}.user-name{font-size:12px;color:var(--muted);max-width:180px}.page{max-width:1450px;padding:36px 24px;margin:auto}.page-title{display:flex;gap:24px;justify-content:space-between;align-items:center;margin-bottom:26px}.eyebrow{font-size:10px;letter-spacing:1.8px;color:var(--teal);font-weight:700}h1{font-size:32px;letter-spacing:-.8px;margin:9px 0 12px}h2{font-size:18px;margin:0 0 5px}h3{font-size:19px}.page-title p{color:var(--muted);font-size:14px;line-height:1.6;margin:0}.stats{display:flex;gap:12px;align-items:center;padding:18px 24px;background:#e7eee0;border-radius:16px;flex-shrink:0}.stats strong{font:38px Georgia,serif;color:#315c48}.stats span{font-size:11px;color:#526b57;line-height:1.6}.layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:24px;align-items:start}.teacher-panel,.selection-card,.send-card{background:white;border:1px solid var(--line);border-radius:16px;padding:22px}.teacher-panel{position:sticky;top:18px;padding:22px 16px 14px}.panel-heading{display:flex;align-items:center;gap:12px;margin-bottom:20px}.panel-heading p{margin:0;color:var(--muted);font-size:12px;line-height:1.5}.number{display:grid;place-items:center;border-radius:11px;background:var(--soft);color:var(--teal);width:34px;height:34px;flex-shrink:0;font-size:13px;font-weight:700}.search-label{font-size:11px;color:var(--muted);display:block;margin:0 0 7px}input,select{min-height:44px;border:1px solid #cbdcd2;border-radius:9px;background:white;color:#213b38;padding:10px 12px;width:100%;min-width:0;font-size:14px}.teacher-list{display:flex;flex-direction:column;gap:6px;max-height:calc(100vh - 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