:root{font-family:Inter,system-ui,sans-serif;color:#172033;background:#f3f6fb;color-scheme:light}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}.loading,.login{min-height:100vh;display:grid;place-items:center}.login form{width:min(390px,calc(100% - 32px));background:#fff;padding:32px;border-radius:20px;box-shadow:0 18px 55px #253b5b20}.login h1{margin:0 0 6px}.login p{color:#68758b;margin:0 0 24px}.field{display:grid;gap:7px;margin:14px 0}.field input,.field select{padding:12px;border:1px solid #d8dfeb;border-radius:10px;background:#fff}button{border:0;border-radius:10px;padding:11px 16px;cursor:pointer}.primary{background:#2459d3;color:#fff}.secondary{background:#e9eef8}.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.side{background:#101b31;color:#fff;padding:24px 16px}.brand{font-size:22px;font-weight:800;padding:4px 10px 24px}.nav{display:grid;gap:7px}.nav button{background:transparent;color:#b9c4d8;text-align:left}.nav button.active,.nav button:hover{background:#ffffff14;color:#fff}.content{padding:28px}.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.cards{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:14px}.card,.panel{background:#fff;border:1px solid #e3e8f1;border-radius:15px;padding:18px}.card small{color:#748197}.card b{display:block;font-size:25px;margin-top:8px}.panel{margin-top:18px;overflow:auto}.toolbar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:15px}.toolbar div{display:flex;gap:8px}table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:12px;border-bottom:1px solid #edf0f5;white-space:nowrap}th{font-size:12px;color:#748197}.badge{padding:5px 9px;border-radius:20px;background:#eef2f8}.paid{background:#e3f7ea;color:#16733a}.unpaid{background:#fff0d8;color:#915d05}.failed{background:#ffe5e5;color:#a51e1e}.modal{position:fixed;inset:0;background:#0a122266;display:grid;place-items:center;padding:20px}.modal form{background:#fff;border-radius:16px;padding:22px;width:min(520px,100%)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.error{color:#b42318}.muted{color:#748197}.hidden{display:none!important}@media(max-width:850px){.shell{grid-template-columns:1fr}.side{position:sticky;top:0;z-index:2}.nav{display:flex;overflow:auto}.content{padding:16px}.cards{grid-template-columns:1fr 1fr}.grid{grid-template-columns:1fr}}