:root{--navy:#12345b;--navy2:#0d2746;--blue:#176fd1;--bg:#f3f7fc;--text:#13213a;--muted:#6b778c;--line:#dce5f0;--safe-bottom:env(safe-area-inset-bottom,0px)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:linear-gradient(180deg,#eef4fb 0,#f8fbff 45%,#f3f7fc 100%);color:var(--text);min-height:100vh}a{text-decoration:none;color:inherit}button,input,select,textarea{font-family:inherit}
.top{position:fixed;top:0;right:0;left:0;height:72px;background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff;display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:10px;padding:8px 16px;z-index:40;box-shadow:0 5px 18px rgba(13,39,70,.2)}.brand{text-align:right}.brand b{font-size:20px}.brand small{display:block;opacity:.78;margin-top:3px}.menu-btn{display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:24px}.install-app{border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.12);color:#fff;border-radius:10px;padding:9px 12px;font-weight:700}
.nav{position:fixed;top:72px;right:0;bottom:0;width:246px;background:linear-gradient(180deg,#143960,#102e50);padding:16px 13px;z-index:30;overflow:auto}.nav-title{color:#91aac4;font-size:12px;padding:0 12px 12px}.nav a{display:flex;align-items:center;gap:12px;color:#e5eef8;padding:12px 13px;border-radius:13px;margin-bottom:7px;font-weight:700}.nav a:hover,.nav a.active{background:rgba(255,255,255,.12);color:#fff}.nav-ico{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.09);font-size:18px}.nav-overlay{display:none}
.main{margin-right:246px;padding:96px 24px 38px;max-width:1500px}.public{max-width:900px;margin:0 auto;padding:34px 16px}.page-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.page-title h1,h1{margin:0 0 18px;font-size:30px}.page-title h1{margin:0}
.card{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;padding:21px;box-shadow:0 8px 26px rgba(18,52,91,.07);margin-bottom:18px}.card h2,.card h3{margin-top:0}.soft-card{background:#f7faff;border:1px solid #e1eaf5;border-radius:16px;padding:16px}.section-head{display:flex;align-items:center;gap:10px;margin:4px 0 14px}.section-number{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:#e7f1ff;color:var(--blue);font-weight:800}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:14px}.c12{grid-column:span 12}.c8{grid-column:span 8}.c6{grid-column:span 6}.c4{grid-column:span 4}.c3{grid-column:span 3}label{display:block;font-weight:700;margin:0 0 7px;color:#253653}input,select,textarea{width:100%;padding:12px 13px;border:1px solid #cbd8e7;border-radius:12px;background:#fff;color:#14233b;font:inherit;outline:none;transition:.18s}input:focus,select:focus,textarea:focus{border-color:#4a91df;box-shadow:0 0 0 3px rgba(23,111,209,.12)}textarea{min-height:100px;resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 18px;font-weight:800;cursor:pointer;min-height:46px}.primary{background:linear-gradient(135deg,#1874d8,#1262ba);color:#fff;box-shadow:0 7px 16px rgba(23,111,209,.2)}.secondary{background:#eaf0f7;color:#172a44}.danger{background:#b42318;color:#fff}.success{background:#e9f8ef;color:#176b3a}.warning{background:#fff6dd;color:#765100}.error{background:#fdecec;color:#9b1c1c}.alert{padding:13px 15px;border-radius:12px;margin-bottom:14px}.full-btn{width:100%}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:#fff;border-radius:19px;padding:18px;border:1px solid var(--line);box-shadow:0 7px 22px rgba(18,52,91,.06);display:flex;align-items:center;gap:14px}.stat-icon{width:52px;height:52px;border-radius:16px;background:#eaf3ff;color:var(--blue);display:grid;place-items:center;font-size:25px}.value{font-size:29px;font-weight:800;margin-top:4px}.muted{color:var(--muted)}
.action-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}.action-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 12px;text-align:center;box-shadow:0 6px 18px rgba(18,52,91,.05);transition:.18s}.action-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(18,52,91,.1)}.action-card .ico{width:56px;height:56px;margin:0 auto 10px;border-radius:17px;background:#edf5ff;color:var(--blue);display:grid;place-items:center;font-size:28px}.action-card b{display:block}.action-card small{display:block;color:var(--muted);margin-top:5px}
.sheet-preview{display:grid;grid-template-columns:1fr 1fr;gap:12px;background:linear-gradient(135deg,#f1f7ff,#fff);border:1px solid #d8e8fb;border-radius:17px;padding:16px}.preview-value{font-size:19px;font-weight:800;color:#115fac;margin-top:6px}.mode-panels{margin-top:4px}.layer-card{background:#f8fbff;border:1px solid #dfeaf6;border-radius:15px;padding:13px}.layer-card label{font-size:13px}.form-actions{position:sticky;bottom:12px;z-index:5;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:0 8px 24px rgba(18,52,91,.12)}
.table-wrap{overflow-x:auto;border:1px solid #e2eaf3;border-radius:14px}table{width:100%;border-collapse:collapse;min-width:720px;background:#fff}th,td{padding:13px;border-bottom:1px solid #e7edf4;text-align:right}th{background:#f7f9fc;color:#536178;font-size:13px}.price{font-size:25px;font-weight:800;color:#1267b1}.inline{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.hide{display:none!important}.bottom-nav{display:none}
@media print{.top,.nav,.bottom-nav,.no-print{display:none!important}.main{margin:0;padding:0}.card{box-shadow:none;border:0}.form-actions{position:static}}
@media(max-width:900px){body{padding-bottom:calc(76px + var(--safe-bottom))}.top{height:66px;grid-template-columns:48px 1fr auto;padding:7px 10px}.brand b{font-size:17px}.menu-btn{display:block}.nav{top:66px;width:min(82vw,300px);transform:translateX(105%);transition:.22s}.nav-open .nav{transform:none}.nav-overlay{position:fixed;inset:66px 0 0 0;background:rgba(8,23,40,.45);z-index:25}.nav-open .nav-overlay{display:block}.main{margin-right:0;padding:86px 12px 22px}.stats{grid-template-columns:repeat(2,1fr)}.action-grid{grid-template-columns:repeat(2,1fr)}.c8,.c6{grid-column:span 12}.c4,.c3{grid-column:span 6}.card{padding:16px;border-radius:17px}.bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);right:0;left:0;bottom:0;z-index:35;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid #dbe4ef;padding:7px 6px calc(7px + var(--safe-bottom));box-shadow:0 -6px 20px rgba(18,52,91,.08)}.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;color:#718096;font-size:20px}.bottom-nav a small{font-size:11px;font-weight:700}.bottom-nav a.active{color:var(--blue)}input,select,textarea,.btn{min-height:47px;font-size:16px}.page-title h1,h1{font-size:25px}}
@media(max-width:520px){.stats{grid-template-columns:repeat(2,1fr);gap:10px}.stat{padding:13px;gap:9px}.stat-icon{width:42px;height:42px;font-size:21px}.value{font-size:23px}.action-grid{gap:10px}.action-card{padding:15px 8px}.action-card .ico{width:48px;height:48px;font-size:24px}.c4,.c3{grid-column:span 12}.sheet-preview{grid-template-columns:1fr}.page-title{align-items:flex-start}.install-app{font-size:11px;padding:8px}.brand small{display:none}}

.currency-card{max-width:900px;margin-inline:auto}.conversion-result{margin-top:18px;padding:22px;border-radius:18px;background:linear-gradient(135deg,#edf6ff,#f8fbff);border:1px solid #d8e8fb;display:flex;justify-content:center;align-items:center;gap:18px;font-size:22px}.conversion-result strong{color:#1267b1;font-size:28px}.rate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:15px}.rate-grid>div{background:#f8fafc;border:1px solid #e1e8f0;border-radius:14px;padding:14px}.rate-grid small,.rate-grid b{display:block}.rate-grid small{color:var(--muted);margin-bottom:7px}@media(max-width:700px){.rate-grid{grid-template-columns:1fr}.conversion-result{flex-direction:column;gap:8px}}

.work-order{max-width:1050px;margin-inline:auto}.doc-head{text-align:center;border-bottom:2px solid #12345b;padding-bottom:16px;margin-bottom:18px}.doc-head h1,.doc-head h2{margin:5px}.spec-notes{min-height:90px;padding:16px;border:1px solid #dce5f0;border-radius:12px;background:#fafcff;line-height:1.9}.signature-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:35px;text-align:center}.signature-grid>div{border-top:1px solid #444;padding-top:12px;min-height:90px}.no-price-note{text-align:center;font-weight:800;margin-top:20px;padding:12px;background:#f3f7fc;border-radius:10px}@media print{.work-order{max-width:none}.no-price-note{border:1px solid #aaa}.signature-grid{page-break-inside:avoid}}