:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#1c3029;background:#f6f7f3;font-synthesis:none;--green:#153d31;--muted:#738077;--line:#e4e8e0}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{outline-offset:4px}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a{color:inherit}.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.sidebar{background:var(--green);color:#e3ece5;padding:36px 24px;display:flex;flex-direction:column}.brand{font-size:35px;letter-spacing:-2px;font-weight:800;display:flex;gap:10px;align-items:center}.brand-mark{font-size:25px;display:inline-grid;place-items:center;width:39px;height:39px;background:#d5f28b;color:var(--green);border-radius:50%;letter-spacing:0}.brand-sub{font-size:11px;text-transform:uppercase;letter-spacing:2px;color:#a9c0b1;margin:7px 0 45px}.nav{display:grid;gap:8px}.nav button{text-align:left;border:0;background:transparent;color:#bfd0c4;padding:13px 16px;border-radius:9px;font-size:14px}.nav button.active{background:#d5f28b;color:#183827;font-weight:650}.side-foot{margin-top:auto;padding-top:50px;font-size:12px;color:#a9c0b1;line-height:1.8}.side-foot strong{color:#edf3e9;display:block}.content{padding:0 42px 40px;max-width:1500px;width:100%;margin:auto}.topbar{height:89px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:13px}.team{display:flex;align-items:center;gap:12px}.avatar{border:1px solid #dae1d5;background:white;border-radius:50%;width:36px;height:36px;display:grid;place-items:center;font-weight:700}.subtle{color:var(--muted)}.page-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:36px 0 26px}.eyebrow{font-size:11px;letter-spacing:1.8px;text-transform:uppercase;font-weight:650;color:#78826d;margin:0 0 10px}h1{font-size:32px;font-weight:650;letter-spacing:-1px;margin:0 0 8px}p{line-height:1.6}h2{font-size:18px;font-weight:650;margin:0}h3{margin:0 0 10px}.page-head p{margin:0;color:var(--muted);font-size:14px}.actions{display:flex;gap:10px;align-items:center}.btn{border:1px solid var(--line);border-radius:8px;padding:11px 16px;background:white;font-size:13px;font-weight:600;display:inline-flex;justify-content:center;align-items:center;gap:7px;text-decoration:none;white-space:nowrap}.btn.primary{background:var(--green);color:#fff;border-color:var(--green)}.btn.small{padding:7px 11px;font-size:12px}.btn.ghost{background:transparent}.notice{border:1px solid #e4dec8;background:#fffcef;color:#776536;padding:13px 17px;border-radius:9px;font-size:13px;line-height:1.6;margin-bottom:24px}.notice.success{background:#ecf4e7;border-color:#dae8d3;color:#3b6941}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:27px}.metric{background:white;padding:23px;border:1px solid var(--line);border-radius:12px}.metric.featured{background:var(--green);color:white;border-color:var(--green)}.metric-label{font-size:12px;color:var(--muted);display:flex;justify-content:space-between}.featured .metric-label{color:#becfc4}.metric-value{font-size:30px;letter-spacing:-1px;font-weight:650;margin:16px 0 7px}.metric-hint{font-size:11px;color:var(--muted)}.featured .metric-hint{color:#c7d8c3}.panel{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:23px 25px;border-bottom:1px solid var(--line)}.panel-head p{margin:5px 0 0;font-size:12px;color:var(--muted)}.filters{display:flex;gap:10px}.filters input{max-width:200px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;white-space:nowrap;text-align:left}th{font-size:10px;letter-spacing:1px;text-transform:uppercase;color:#7b857e;font-weight:600;background:#fafbf8}th,td{padding:17px 24px;border-bottom:1px solid #eff1ec}td{font-size:13px}tbody tr:last-child td{border-bottom:0}.student-cell{display:flex;align-items:center;gap:11px}.student-cell .avatar{width:34px;height:34px;font-size:11px;background:#f1f3e9;border:0}.student-cell small{display:block;color:var(--muted);font-size:11px;margin-top:4px}.badge{font-size:11px;font-weight:550;border-radius:20px;padding:5px 9px;display:inline-block;background:#f1f3ed;color:#69745f}.badge.paid{background:#edf5e7;color:#46723d}.badge.pending{background:#fff3db;color:#8e6a26}.badge.processing{background:#e7effb;color:#4165a2}.badge.review{background:#fbe9e5;color:#a44c3a}.empty{text-align:center;padding:60px 25px;color:var(--muted);font-size:14px}.empty .ball{font-size:34px;display:block;margin-bottom:15px}.empty strong{display:block;font-size:18px;color:#34483a;margin-bottom:10px}.empty .btn{margin-top:12px}.footer-note{font-size:11px;color:var(--muted);margin:22px 0;text-align:center}.login{max-width:420px;margin:9vh auto;padding:25px}.login .brand{margin-bottom:40px}.login h1{font-size:30px}.login form{margin-top:25px}.login .btn{width:100%;margin-top:10px}.login p{font-size:14px;color:var(--muted)}label{font-size:13px;font-weight:550;display:block;margin:16px 0 7px}input,select{width:100%;border:1px solid #dce2d8;border-radius:7px;padding:11px 12px;background:white;color:#283a2e}input[type=checkbox]{width:17px;height:17px;accent-color:var(--green)}.error{color:#a23727;font-size:13px;line-height:1.5}.loading{text-align:center;padding:80px;color:var(--muted)}dialog{border:0;border-radius:15px;padding:28px;width:min(510px,calc(100% - 32px));max-height:90vh;color:#203629;box-shadow:0 25px 90px #102d3440}dialog::backdrop{background:#142b2580;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between}.close{background:none;border:0;font-size:24px;color:#718074;padding:4px 9px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.check-list{max-height:180px;overflow:auto;background:#fafbf8;border:1px solid var(--line);border-radius:8px;padding:7px 12px}.check-list label{display:flex;gap:9px;align-items:center;margin:8px 0;font-weight:400}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.check-all{display:flex;align-items:center;gap:9px}.link-box{font-size:12px;word-break:break-all;background:#f1f4ed;padding:14px;border-radius:8px;line-height:1.7}.payer{max-width:580px;margin:0 auto;padding:28px 20px 60px}.payer-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:38px}.payer-header .brand{font-size:28px}.payer-header .brand-mark{width:32px;height:32px;font-size:20px}.payer h1{font-size:29px}.balance{margin:25px 0;background:var(--green);color:#fff;padding:25px;border-radius:14px}.balance .metric-label{color:#c1d2c5}.balance .metric-value{font-size:37px;margin-bottom:0}.charge-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin-top:12px}.charge-head{display:flex;justify-content:space-between;align-items:start;gap:12px}.charge-card h3{font-size:15px;margin:8px 0}.charge-card p{font-size:12px;color:var(--muted);margin:5px 0}.charge-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:17px;gap:12px}.charge-bottom strong{font-size:22px;font-weight:650}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#183b2d;color:white;padding:13px 20px;border-radius:9px;box-shadow:0 5px 30px #0002;z-index:10;font-size:13px;max-width:90%;display:none}#toast.visible{display:block}
@media(max-width:1050px){.shell{grid-template-columns:180px 1fr}.sidebar{padding:30px 18px}.content{padding:0 25px 30px}.metrics{grid-template-columns:repeat(2,1fr)}.page-head{align-items:start;flex-direction:column}.panel-head{align-items:start;flex-direction:column}}
@media(max-width:650px){.shell{display:block}.sidebar{padding:17px 20px;display:block}.sidebar .brand{font-size:27px}.sidebar .brand-mark{height:30px;width:30px;font-size:19px}.brand-sub,.side-foot{display:none}.nav{display:flex;margin-top:15px;gap:4px}.nav button{font-size:12px;padding:9px 13px}.content{padding:0 16px 25px}.topbar{height:64px;font-size:12px}.page-head{margin:25px 0 20px;gap:18px}h1{font-size:27px}.actions{width:100%}.actions .btn{flex:1}.metrics{gap:10px}.metric{padding:17px}.metric-value{font-size:25px}.metric-label{font-size:11px}.panel-head{padding:19px 16px}.filters{width:100%}.filters input{max-width:none;min-width:0}.filters select{width:130px}th,td{padding:14px 16px}.notice{font-size:12px}.form-grid{gap:10px}}
.actions{flex-wrap:wrap}textarea{width:100%;min-height:85px;resize:vertical;border:1px solid #dce2d8;border-radius:7px;padding:11px 12px;font:inherit;color:#283a2e}
.report-controls{display:flex;align-items:end;gap:10px;flex-wrap:wrap;padding:14px 24px}.report-controls label{margin:0}.report-controls input{display:block;margin-top:5px}
@media(max-width:650px){.actions .btn{flex:1 1 calc(50% - 10px);white-space:normal}.nav{overflow-x:auto}}