:root{--bg:#f3f6f8;--card:#fff;--text:#1f2937;--muted:#64748b;--line:#d7dee6;--primary:#0f766e;--danger:#b91c1c}
*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:var(--bg);color:var(--text)}
.topbar{background:#0b1320;color:#fff;padding:16px 22px;display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}
.topbar span{display:block;color:#b8c2cf;font-size:12px}.topbar nav{display:flex;gap:8px;flex-wrap:wrap}.topbar button,.topbar a{background:transparent;border:1px solid #435066;color:#fff;padding:8px 11px;border-radius:7px;text-decoration:none;cursor:pointer}
main{max-width:1500px;margin:18px auto;padding:0 14px}.tab{display:none}.tab.active{display:block}.card{background:#fff;border-radius:12px;padding:16px;margin-bottom:16px;box-shadow:0 1px 5px #00000012}.card h2{margin-top:0}
.grid4,.grid3,.grid2{display:grid;gap:12px;margin-bottom:12px}.grid4{grid-template-columns:repeat(4,1fr)}.grid3{grid-template-columns:repeat(3,1fr)}.grid2{grid-template-columns:repeat(2,1fr)}
label{display:block;font-size:12px;font-weight:bold;color:#475569}input,select,textarea{display:block;width:100%;margin-top:5px;padding:9px;border:1px solid var(--line);border-radius:8px;background:#fff}textarea{min-height:90px}.bottom{display:flex;align-items:end}
button{border:0;border-radius:7px;padding:9px 12px;cursor:pointer;font-weight:bold;background:#e8edf2}.primary{background:var(--primary);color:#fff}.danger{background:#fee2e2;color:var(--danger)}.mini{padding:4px 7px;font-size:11px;min-width:28px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:8px;border-bottom:1px solid #e5e7eb;text-align:left}th{background:#f8fafc}td input{min-width:90px}.metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:14px}.metrics div{background:#f8fafc;border:1px solid #e4eaf0;padding:12px;border-radius:9px}.metrics span{display:block;font-size:12px;color:#64748b}.metrics b{display:block;margin-top:4px;font-size:18px}
.auth-body{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(430px,100%);background:#fff;padding:24px;border-radius:12px;box-shadow:0 5px 30px #0002}.auth-card label{margin-bottom:12px}.alert{padding:10px;border-radius:8px;margin-bottom:12px}.alert.error{background:#fee2e2;color:#991b1b}.alert.success{background:#dcfce7;color:#166534}
.modal{position:fixed;inset:0;background:#0f172acc;display:none;overflow:auto;padding:22px;z-index:1000}.modal.active{display:block}.modal-shell{max-width:900px;margin:auto}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-bottom:8px}.offer{background:#fff;padding:42px;min-height:1100px}.offer-head{display:flex;justify-content:space-between;border-bottom:3px solid var(--primary);padding-bottom:16px}.offer-brand{font-size:30px;font-weight:bold;color:var(--primary)}.offer-meta{text-align:right}.offer-client{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:22px 0}.offer-box{background:#f8fafc;padding:14px;border-radius:9px}.offer-total{max-width:360px;margin-left:auto;background:#ecfdf5;border:2px solid var(--primary);padding:16px;border-radius:11px;text-align:right}.offer-total b{font-size:28px;color:var(--primary)}.offer-section{white-space:pre-wrap;line-height:1.5}.offer-section h3{color:var(--primary);margin-bottom:5px}
@media(max-width:900px){.grid4,.grid3,.grid2,.metrics{grid-template-columns:1fr}.offer{padding:22px}.offer-client{grid-template-columns:1fr}}
@media print{body *{visibility:hidden!important}.modal,.modal *{visibility:visible!important}.modal{position:absolute;inset:0;display:block!important;background:#fff;padding:0}.modal-actions{display:none!important}.offer{padding:16mm;box-shadow:none;min-height:auto}}