:root{--bg:#f3f5f8;--panel:#fff;--text:#202d3d;--muted:#56657a;--line:#d4dde8;--primary:#294e80;--dark:#1c385e;--soft:#eaf0f8;--sand:#faf3e6;--sand-line:#e3d1ad}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:18px/1.5 Arial,Helvetica,sans-serif}header{background:var(--primary);color:#fff}.header-inner{max-width:1100px;margin:auto;padding:20px 24px;display:flex;align-items:center;gap:18px}.brand{flex:1}.brand p{margin:0;font-size:16px;color:#e4edf9}h1{font-size:26px;margin:2px 0}h2{font-size:24px;margin:0 0 12px}h3{font-size:20px;margin:0 0 8px}p{margin:8px 0 16px}.logo{width:66px;height:66px;object-fit:contain;background:white;border-radius:50%;padding:6px}.preview{font-size:15px;padding:5px 12px;background:#fff;color:var(--dark);border-radius:30px;white-space:nowrap}.nav-wrap{background:#fff;border-bottom:1px solid var(--line)}nav{max-width:1100px;margin:auto;display:flex;gap:8px;padding:10px 24px;flex-wrap:wrap}nav a{padding:12px 16px;border-radius:8px;color:var(--text);text-decoration:none;font-weight:bold;min-height:50px}nav a[aria-current=page]{background:var(--soft);color:var(--primary)}nav a:hover{background:var(--bg)}main{max-width:1100px;margin:auto;padding:24px}.intro{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px}.eyebrow{font-size:15px;font-weight:bold;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);margin:0 0 6px}.muted{color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:24px;margin-bottom:18px}.notice{background:var(--sand);border:1px solid var(--sand-line);border-radius:8px;padding:14px 18px;margin-bottom:22px;font-size:16px}.grid{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}.steps{padding-left:24px;margin-bottom:0}.steps li{padding:0 0 12px 4px}.steps li:last-child{padding-bottom:0}button,.button{display:inline-flex;align-items:center;justify-content:center;min-height:60px;border:0;border-radius:8px;padding:12px 20px;background:var(--primary);color:#fff;font:700 20px Arial,Helvetica,sans-serif;text-decoration:none;cursor:pointer}.button.secondary,button.secondary{color:var(--primary);background:var(--soft);border:1px solid var(--line)}button:hover,.button:hover{background:var(--dark);color:#fff}button:disabled{background:#e4e8ee;color:#657183;cursor:not-allowed}label{display:block;font-weight:bold;margin-bottom:7px}input,select{width:100%;min-height:52px;border:1px solid #acbacb;border-radius:8px;padding:12px;font:18px Arial,Helvetica,sans-serif;background:#fff;color:var(--text)}input:disabled,select:disabled{background:#f4f6f9;color:var(--muted)}.field{margin:0 0 18px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.tag{font-size:15px;border-radius:20px;padding:5px 12px;background:var(--soft);color:var(--primary);display:inline-block}.empty{padding:32px 18px;text-align:center;border:1px dashed #bac7d8;border-radius:8px;background:#fafbfd}.empty h3{margin-top:0}.empty p{max-width:520px;margin:8px auto 16px}.cols{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.settings-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.settings-grid .panel{margin:0}.settings-grid p{min-height:80px}.subhead{margin-top:26px}.help{font-size:16px;color:var(--muted)}footer{max-width:1100px;margin:auto;padding:10px 24px 30px;font-size:15px;color:var(--muted)}[hidden]{display:none!important}:focus-visible{outline:3px solid #a05b05;outline-offset:3px}.skip{position:absolute;left:12px;top:-80px;background:white;padding:10px;z-index:5}.skip:focus{top:8px}.card-preview{max-width:330px;border:2px solid var(--primary);padding:20px;margin:auto;text-align:center;background:white;color:var(--text);border-radius:8px}.card-preview img{width:52px}.qr-placeholder{width:155px;height:155px;border:2px dashed #8595ab;background:#f3f5f8;display:flex;align-items:center;justify-content:center;margin:18px auto;padding:18px;font-size:16px;color:var(--muted)}.card-preview strong{display:block;font-size:23px}.card-preview small{display:block;margin-top:12px}.full{width:100%}
@media(max-width:760px){.grid,.settings-grid{grid-template-columns:1fr}.settings-grid p{min-height:0}.header-inner{padding:16px;gap:12px}h1{font-size:22px}.logo{width:54px;height:54px}.preview{display:none}main{padding:18px 12px}nav{padding:8px;gap:0}nav a{flex:1;text-align:center;font-size:16px;padding:12px 8px}.intro{align-items:flex-start;flex-direction:column}.panel{padding:18px}.cols{grid-template-columns:1fr}.actions>*{width:100%}.grid{gap:0}h2{font-size:23px}}
.demo-reset{min-height:44px;font-size:16px;margin-top:10px}.demo-student{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:14px 0;border-bottom:1px solid var(--line)}.demo-student p{margin:3px 0}.demo-student button{min-height:44px;font-size:16px}.demo-state{font-size:16px;color:var(--primary);font-weight:bold}.demo-lesson{padding:18px 0;border-bottom:2px solid var(--line)}.demo-lesson:first-child{padding-top:0}.demo-close{margin-top:16px}.demo-item{display:block;margin-bottom:12px}
.student-profile{color:#112c4b}.profile-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:28px 0 22px}.profile-heading h2{font-size:38px;line-height:1.2;margin:10px 0}.profile-back{color:#17518b;font-size:16px;font-weight:bold;padding:12px 0}.student-shell{display:grid;grid-template-columns:270px minmax(0,1fr);gap:24px;background:#fff;border:1px solid #cfdfef;border-radius:18px;padding:26px}.student-sidebar{min-width:0}.student-profile .card-preview{border:1px solid #bad5ef;border-radius:12px;padding:18px 12px;margin-bottom:16px;width:100%}.student-profile .card-school{font-size:14px;margin:4px 0}.student-profile .qr-placeholder{width:190px;height:190px;max-width:100%;border-color:#a8bfd5;background:#f6f9fc;border-radius:8px}.student-profile .card-preview strong{font-size:23px}.student-code{font-size:14px;color:#586e88;margin:10px 0}.student-code b{color:#153a61}.student-profile .card-preview small{font-size:14px;color:#586e88}.student-profile button{font-size:17px;min-height:48px}.student-profile #qr-help{font-size:14px;margin:8px 0 18px}.student-help{background:#eaf7fc;border:1px solid #b9dced;border-radius:14px;padding:18px}.student-help h3{font-size:18px}.student-help p{font-size:16px;color:#536c85;margin-bottom:0}.student-main{min-width:0}.enrollment-summary{border:1px solid #bcd6ed;border-radius:16px;box-shadow:0 2px 3px #16375312;overflow:hidden}.enrollment-summary summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;list-style:none;padding:18px;font-size:22px;font-weight:bold}.enrollment-summary summary::-webkit-details-marker{display:none}.summary-toggle{background:#eaf7fc;border:1px solid #b9dced;border-radius:10px;padding:10px 12px;color:#16538d;font-size:14px;white-space:nowrap}.when-open{display:none}.enrollment-summary[open] .when-open{display:inline}.enrollment-summary[open] .when-closed{display:none}.summary-content{border-top:1px solid #d5e4f1;padding:16px}.student-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0 0 14px}.student-fields>div{border:1px solid #d3e3f1;border-radius:12px;background:#f5f8fc;padding:12px;min-width:0}.student-fields dt{font-size:12px;text-transform:uppercase;font-weight:bold;color:#61778e;margin-bottom:6px}.student-fields dd{font-size:16px;margin:0;overflow-wrap:anywhere}.student-status{color:#226b49}.summary-content>.help{font-size:14px;margin-bottom:0}.student-courses{margin-top:24px}.student-courses>h3{font-size:22px;margin-bottom:14px}.student-course{border:1px solid #d3e3f1;border-radius:12px;padding:16px;margin-bottom:12px;background:#fbfdff}.student-course h4{font-size:18px;margin:0 0 6px}.student-course p{font-size:16px;margin:4px 0}.student-course p.help{font-size:14px}
@media(max-width:950px){.student-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.student-shell{gap:20px;padding:20px;grid-template-columns:240px minmax(0,1fr)}}
@media(max-width:760px){.student-shell{grid-template-columns:1fr;padding:18px}.student-sidebar{max-width:380px;width:100%;margin:auto}.profile-heading{align-items:flex-start;flex-direction:column;gap:0;margin-top:18px}.profile-heading h2{font-size:30px}.enrollment-summary summary{font-size:20px;padding:14px}.summary-toggle{font-size:12px;padding:8px}.summary-content{padding:12px}.student-fields>div{padding:10px}.student-profile .card-preview{padding:20px}.student-profile .qr-placeholder{width:210px;height:210px}}