:root{--green:#16a34a;--blue:#0969da;--dark:#0f172a;--light:#f8fafc}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:linear-gradient(135deg,#f7fff9,#eef6ff);color:var(--dark)}header{display:flex;align-items:center;justify-content:space-between;padding:14px 32px;background:#fff;box-shadow:0 4px 20px #0001;position:sticky;top:0}header img{height:58px;max-width:260px;object-fit:contain}nav{display:flex;align-items:center;gap:15px}a{color:var(--blue);font-weight:700;text-decoration:none}.card{background:#fff;border-radius:18px;padding:24px;margin-bottom:20px;box-shadow:0 12px 35px #0f172a14}.auth{max-width:470px;margin:60px auto}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.full{grid-column:1/-1}label{display:flex;flex-direction:column;gap:7px;font-weight:700}input,select,button{padding:12px 13px;border-radius:10px;border:1px solid #cbd5e1;font-size:15px}button,.primary{background:linear-gradient(90deg,var(--green),var(--blue));color:#fff;border:0;font-weight:800;cursor:pointer}.alert{background:#dcfce7;color:#166534;padding:13px;border-radius:12px;margin-bottom:16px}.error{background:#fee2e2;color:#991b1b;padding:13px;border-radius:12px;margin-bottom:16px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.stat{background:#fff;border-radius:18px;padding:24px;box-shadow:0 12px 35px #0f172a14;font-size:18px}.stat b{display:block;font-size:34px;margin-top:10px;color:var(--blue)}table{width:100%;border-collapse:collapse;margin-top:15px;background:#fff}th,td{border-bottom:1px solid #e2e8f0;padding:12px;text-align:left;vertical-align:top}th{background:#f1f5f9}.badge{padding:6px 10px;border-radius:999px;color:#fff;font-size:12px}.badge.pending{background:#f59e0b}.badge.paid{background:#16a34a}@media(max-width:760px){header{padding:12px;align-items:flex-start;gap:10px;flex-direction:column}.grid{grid-template-columns:1fr}table{display:block;overflow-x:auto;white-space:nowrap}}.accounts-section{padding: 50px 0;}.accounts-section section{margin: 10px 0;}