:root{--bg:#f4f6f8;--card:#fff;--text:#17212b;--muted:#6b7785;--accent:#1769aa;--accent2:#0f4f83;--border:#dfe5eb;--ok:#e8f7ee;--err:#fdecec}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}header{background:#fff;border-bottom:1px solid var(--border);padding:15px max(20px,calc((100% - 1180px)/2));display:flex;justify-content:space-between;gap:20px;align-items:center;position:sticky;top:0;z-index:2}header div{display:flex;gap:10px;align-items:baseline}header span{color:var(--muted)}nav{display:flex;gap:8px;flex-wrap:wrap}nav a{padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--text)}nav a.active,nav a:hover{background:#edf4fa;color:var(--accent)}.container{max-width:1180px;margin:28px auto;padding:0 18px}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 5px 18px rgba(18,40,60,.04)}h1{margin:0 0 8px}h3{margin-top:24px}p{color:var(--muted)}label{display:block;font-size:13px;font-weight:650;margin:14px 0 6px}input,select{width:100%;padding:11px 12px;border:1px solid #cbd5df;border-radius:9px;background:#fff;font:inherit}input:focus,select:focus{outline:2px solid #cce5f8;border-color:var(--accent)}button,.button{display:inline-block;border:0;border-radius:9px;padding:10px 14px;font-weight:700;text-decoration:none;cursor:pointer;background:#eef2f5;color:var(--text)}.primary{background:var(--accent);color:#fff}.primary:hover{background:var(--accent2)}.large{padding:13px 18px;font-size:16px;margin-top:18px}.grid{display:grid;gap:20px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.currency{grid-template-columns:140px 1fr;gap:10px}.section-title,.result-top{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.rate-box{background:#f2f7fb;padding:12px 14px;border-radius:10px;white-space:nowrap}.rate-box strong{display:block;font-size:20px}.rate-box a{font-size:12px}.hint,.muted{color:var(--muted);font-size:13px}.extras-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}.extra{border:1px solid var(--border);border-radius:10px;padding:12px;display:flex;align-items:center;gap:9px;margin:0;font-weight:500}.extra input{width:auto}.extra strong{margin-left:auto}.calculator{margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--border);border-radius:12px;overflow:hidden}.calculator div{padding:14px;border-right:1px solid var(--border);border-bottom:1px solid var(--border)}.calculator span{display:block;color:var(--muted);font-size:12px}.calculator strong{font-size:18px}.calculator .grand{background:#eef7ff}.calculator .grand strong{font-size:24px;color:var(--accent)}.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px}.alert.ok{background:var(--ok)}.alert.error{background:var(--err);color:#8a2020}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--border);white-space:nowrap}th{font-size:12px;color:var(--muted)}.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:15px}.admin-item{border:1px solid var(--border);padding:16px;border-radius:12px}.check{display:flex;gap:8px;align-items:center;font-weight:500}.check input,.category-checks input{width:auto}.category-checks{max-height:160px;overflow:auto;border:1px solid var(--border);border-radius:9px;padding:8px}.category-checks label{font-weight:500;margin:6px}.settings-form{max-width:900px}.quote-result dl{display:grid;grid-template-columns:1fr auto;gap:9px 15px}.quote-result dt{color:var(--muted)}.quote-result dd{margin:0;text-align:right}.result-price{text-align:center;padding:25px;background:#f2f8fd;border-radius:12px;margin:20px 0}.result-price span,.result-price small{display:block;color:var(--muted)}.result-price strong{font-size:42px;color:var(--accent)}footer{text-align:center;color:var(--muted);padding:28px}.login-body{min-height:100vh;display:grid;place-items:center}.login-card{width:min(390px,92vw);background:#fff;border:1px solid var(--border);border-radius:18px;padding:30px;box-shadow:0 14px 45px rgba(15,45,70,.1)}.login-card .brand{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:800;margin-bottom:18px}.login-card button{width:100%;margin-top:18px}@media(max-width:760px){header{position:static;display:block}nav{margin-top:12px}.grid.two{grid-template-columns:1fr}.calculator{grid-template-columns:1fr 1fr}.section-title{display:block}.rate-box{margin-top:15px}.result-top{display:block}.result-top .button{margin-top:10px}.result-price strong{font-size:34px}}