:root{--ink:#172a2b;--muted:#6d7f7d;--paper:#f5f3ec;--card:#fffefa;--green:#1f665d;--green2:#dcebe5;--line:#d9ddd7;--red:#a14343;--shadow:0 18px 50px #183b3420}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans Hebrew","Noto Sans",sans-serif;min-height:100vh}body:before{content:"";position:fixed;inset:0;background:radial-gradient(circle at 80% -10%,#cce3d8 0,transparent 35%),radial-gradient(circle at 0 80%,#eadfc8 0,transparent 30%);z-index:-1}main{max-width:1180px;margin:auto;padding:42px 24px}.login-card{max-width:430px;margin:9vh auto;background:var(--card);padding:44px;border-radius:28px;box-shadow:var(--shadow);text-align:center}.brand-mark{margin:auto;width:72px;height:72px;padding:8px;border-radius:22px;background:linear-gradient(160deg,#215f57,#153b35);display:grid;place-items:center;box-shadow:0 12px 28px #183b342b}.brand-mark img{display:block;width:100%;height:100%;filter:drop-shadow(0 5px 10px #0d2f2a33)}.login-card h1{margin:18px 0 8px}.login-card p,.toolbar p{color:var(--muted)}label{display:grid;gap:7px;text-align:right;font-size:14px;font-weight:bold;margin:17px 0}input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:white;font:inherit;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid #76a99e;border-color:transparent}button{border:0;background:var(--green);color:white;padding:12px 18px;border-radius:11px;font:inherit;font-weight:bold;cursor:pointer}button:hover{filter:brightness(.95)}button.ghost{background:transparent;color:var(--green);border:1px solid var(--line)}button.danger{background:#f7e7e4;color:var(--red)}button.forgot-link{background:transparent;color:var(--green);padding:8px;box-shadow:none}form button{width:100%;margin-top:10px}header,.toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px}header{border-bottom:1px solid var(--line);padding-bottom:24px}header h1,.toolbar h2{margin:4px 0}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--green);font-weight:bold}nav{display:flex;align-items:center;gap:12px;color:var(--muted);flex-wrap:wrap}nav button,nav select{min-height:44px}#role-switch{width:120px;padding:8px 10px}.toolbar{padding:35px 0 20px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px}.stat{background:#ffffff90;border:1px solid #ffffff;padding:18px;border-radius:16px}.stat strong{display:block;font-size:23px;margin-top:5px}.student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.student{background:var(--card);border:1px solid #fff;padding:22px;border-radius:18px;box-shadow:0 8px 25px #183b340c;cursor:pointer;transition:.18s}.student:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.avatar{width:44px;height:44px;display:grid;place-items:center;background:var(--green2);color:var(--green);border-radius:50%;font-weight:bold;flex:0 0 auto}.student-top{display:flex;gap:12px;align-items:center}.student h3{margin:0}.student small{color:var(--muted)}.balance{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px}.owed{color:var(--red)}.credit{color:var(--green)}.empty{text-align:center;padding:60px;color:var(--muted)}dialog{border:0;border-radius:22px;padding:0;box-shadow:var(--shadow);width:min(920px,calc(100% - 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