:root{font-family:Inter,system-ui,Arial,sans-serif;color:#1d2433;background:#f4f6f9}*{box-sizing:border-box}body{margin:0}nav{background:#18202e;padding:14px 5%;display:flex;gap:22px;align-items:center;flex-wrap:wrap}nav a{color:#dce4ef;text-decoration:none}.brand{font-size:20px;font-weight:800;margin-right:auto}main{max-width:1280px;margin:0 auto;padding:28px 20px 60px}.hero{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}.hero h1{margin:0 0 5px;font-size:30px}.hero p,.section-head p{margin:0;color:#687386}.card{background:white;border-radius:14px;padding:20px;box-shadow:0 5px 18px rgba(20,30,50,.07);margin-bottom:22px}.card h2{margin-top:0}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}.stats>div{background:white;border-radius:14px;padding:18px;box-shadow:0 5px 18px rgba(20,30,50,.06)}.stats span{display:block;color:#727c8c;font-size:13px;margin-bottom:7px}.stats strong{font-size:23px}.grid-form{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;align-items:end}.wide{grid-column:span 2}.stack{display:grid;gap:14px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}label{display:grid;gap:6px;font-size:13px;font-weight:700;color:#4d5869}input,select{width:100%;padding:11px 12px;border:1px solid #d9dee7;border-radius:9px;background:white;font:inherit}button,.button-link{border:0;border-radius:9px;padding:11px 15px;background:#2563eb;color:white;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block;text-align:center}.danger{background:#e54b4b}.status{padding:8px 11px}.paid{background:#16875b}.unpaid{background:#d98513}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:780px}th,td{text-align:left;padding:13px 10px;border-bottom:1px solid #e9edf2}th{font-size:12px;color:#6d7787;text-transform:uppercase}td small{display:block;color:#758093;margin-top:4px}.empty{text-align:center;color:#7b8492;padding:30px}.people-list{display:grid;gap:12px}.person-row{display:grid;grid-template-columns:2fr 1fr 1.5fr auto auto;gap:12px;align-items:end;padding:12px;background:#f8f9fb;border-radius:10px}.check{display:flex;align-items:center;gap:7px;padding-bottom:10px}.check input{width:auto}.filter{display:flex;gap:14px;align-items:end;flex-wrap:wrap}.filter label{min-width:180px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:15px}.badge{padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}.ok{background:#d9f3e7;color:#14734f}.warn{background:#fff0d6;color:#9a5a00}@media(max-width:900px){.grid-form{grid-template-columns:1fr 1fr}.wide{grid-column:span 2}.two-col{grid-template-columns:1fr}.person-row{grid-template-columns:1fr 1fr}.hero{align-items:flex-start;flex-direction:column}}@media(max-width:560px){nav{gap:12px}.brand{width:100%}.grid-form{grid-template-columns:1fr}.wide{grid-column:auto}.person-row{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}}
.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.inline{display:flex;gap:6px}.smallnum{max-width:75px}.linkbtn{background:transparent;padding:0;color:#dce4ef}.login-body{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(420px,100%);background:#fff;padding:30px;border-radius:16px;box-shadow:0 10px 35px rgba(0,0,0,.12)}.alert{padding:13px 15px;background:#fff3cd;border:1px solid #ffe69c;border-radius:9px;margin-bottom:18px}.warn-text{color:#a33}.card hr{border:0;border-top:1px solid #e6e9ee;margin:24px 0}pre{white-space:pre-wrap;max-width:600px;font-size:12px}.receipt{background:#e9edf2}.paper{max-width:900px;margin:20px auto;background:#fff;padding:45px;box-shadow:0 5px 25px rgba(0,0,0,.12)}.paper table{min-width:0}.print-actions{max-width:900px;margin:20px auto 0}.receipt-summary{margin:25px 0 40px auto;max-width:440px;border-top:2px solid #222}.receipt-summary p{display:flex;justify-content:space-between;gap:20px}.receipt-meta{display:grid;grid-template-columns:1fr 1fr;gap:4px 30px;margin-bottom:25px}.receipt h2{margin-top:30px}.receipt-summary .total{border-top:2px solid #222;padding-top:12px;font-size:1.08rem}@media(max-width:900px){.three-col{grid-template-columns:1fr}}@media print{nav,.print-actions{display:none!important}.receipt{background:#fff}.paper{box-shadow:none;margin:0;max-width:none;padding:10mm}main{padding:0}.card{box-shadow:none}}

.formula{padding:16px;border-radius:10px;background:#f3f6fb;font-weight:800;text-align:center}.secondary{background:#64748b}.filter .button-link{align-self:end}