*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f7f6;color:#173b35}.top{background:#0b7466;color:#fff;padding:14px 5%;display:flex;justify-content:space-between;align-items:center;gap:15px}.brand{font-size:18px;font-weight:700}.user a{color:#fff;margin-left:15px}.nav{background:#fff;border-bottom:1px solid #dfe8e5;padding:10px 5%;display:flex;gap:8px;flex-wrap:wrap}.nav a{padding:9px 12px;border-radius:8px;text-decoration:none;color:#155f55}.nav a:hover{background:#e7f4f1}.container{max-width:1200px;margin:24px auto;padding:0 18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:15px}.card{background:#fff;border:1px solid #dfe8e5;border-radius:14px;padding:18px;box-shadow:0 3px 12px #0000000b}.card h3{margin-top:0}.big{font-size:26px;font-weight:700}.table-wrap{overflow:auto;background:#fff;border-radius:12px;border:1px solid #dfe8e5}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px;border-bottom:1px solid #e5ece9;text-align:left;white-space:nowrap}.table th{background:#edf6f3}.btn{display:inline-block;border:0;background:#0b7466;color:#fff;padding:9px 13px;border-radius:8px;text-decoration:none;cursor:pointer}.btn.secondary{background:#60756f}.btn.danger{background:#b83a3a}.form{background:#fff;padding:20px;border:1px solid #dfe8e5;border-radius:14px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.field label{display:block;font-weight:600;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:10px;border:1px solid #cbd9d5;border-radius:8px}.field{margin-bottom:12px}.alert{padding:12px;border-radius:8px;margin-bottom:15px}.success{background:#e6f6ee;color:#17663d}.error{background:#fdeaea;color:#8d2323}.login{max-width:430px;margin:8vh auto}.muted{color:#6c7d78}.actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}footer{text-align:center;color:#71817d;padding:30px}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#e7f4f1;font-size:12px}.receipt{max-width:700px;margin:auto;background:#fff;padding:25px;border:1px solid #ddd}.right{text-align:right}@media(max-width:600px){.top{align-items:flex-start;flex-direction:column}.container{padding:0 10px}.table th,.table td{font-size:13px}}