:root{--orange:#fc9732;--orange-dark:#e88a2e;--ink:#111827;--muted:#6b7280;--line:#d1d5db;--bg:#f4f5f6;--card:#fff;--danger:#dc2626;--shadow:0 2px 8px rgba(0,0,0,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.hidden{display:none!important}
.topbar{background:#050505;color:#fff}.topbar-inner{max-width:1120px;margin:0 auto;padding:20px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:14px;color:#fff}.brand-mark{width:54px;height:62px;display:inline-flex}.brand-mark svg{width:100%;height:100%}.brand strong{display:block;font-size:30px;letter-spacing:1px;line-height:1.05}.brand small{display:block;margin-top:8px;font-weight:700;font-size:14px}.top-actions{display:flex;gap:10px;align-items:center}.pill{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 22px;font-weight:800;font-size:14px}.pill.orange{background:var(--orange);color:#fff}.pill.dark{background:#374151;color:#fff}
.page-wrap{min-height:calc(100vh - 180px)}.calculator-shell,.install-shell{max-width:1120px;margin:44px auto;padding:0 20px}.card{background:var(--card);border-radius:8px;box-shadow:var(--shadow)}.calculator-card{padding:30px}.section-title{display:flex;align-items:center;gap:16px;margin-bottom:25px}.section-title.compact h1,.section-title h1{font-size:25px;margin:0;font-weight:800}.section-title p{margin:6px 0 0;color:var(--muted)}.icon-box{color:var(--orange);font-size:28px;font-weight:700}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.form-grid label,.field-label{display:block;font-size:13px;font-weight:800;color:#273142;letter-spacing:.2px}.form-grid input,.form-grid select{display:block;width:100%;margin-top:10px;border:1px solid #bdc5d0;border-radius:7px;background:#fff;padding:14px 15px;font-size:15px;min-height:48px;outline:none;transition:.2s}.form-grid input:focus,.form-grid select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(252,151,50,.13)}.form-grid small{display:block;margin-top:5px;color:var(--muted);font-weight:400}.full{grid-column:1/-1}.shipping-block{min-width:0}.toggle-row{display:flex;gap:8px;flex-wrap:wrap;margin:9px 0 12px}.toggle{border:2px solid #cbd5e1;background:#fff;color:#374151;border-radius:999px;padding:8px 13px;font-weight:700;cursor:pointer}.toggle.active{background:var(--orange);border-color:var(--orange);color:#fff}.shipping-help{font-size:12px;color:#6b7280;margin:6px 0 0}.inline-error{font-size:13px;color:var(--danger);font-weight:700;margin:8px 0 0}.action-row{display:flex;gap:14px;margin-top:30px}.primary,.secondary{border:0;border-radius:999px;font-weight:800;cursor:pointer;padding:15px 24px;font-size:16px}.primary{background:var(--orange);color:#fff}.primary:hover{background:var(--orange-dark)}.primary:disabled{opacity:.6;cursor:wait}.primary.wide{width:100%;border-radius:8px}.calculate{flex:1}.secondary{background:#7b8493;color:#fff}.results-card{padding:30px;margin-top:28px}.results-card h2{margin:0 0 22px;font-size:24px}.results-section{border-radius:8px;padding:22px}.surface-box{background:#f8fafc}.pricing-box{margin-top:18px;background:rgba(252,151,50,.08);border:2px solid var(--orange)}.results-section h3{margin:0 0 16px;font-size:18px}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.result-grid>div{display:flex;justify-content:space-between;gap:18px;background:#fff;padding:14px;border-radius:6px}.result-grid span{color:#4b5563;font-weight:700}.price-row,.total-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:12px 0;border-bottom:2px solid #d1d5db}.price-row span{font-weight:800;font-size:17px}.price-row strong{font-size:22px}.total-row{border:0;padding-top:17px}.total-row span,.total-row strong{color:var(--orange);font-weight:900}.total-row span{font-size:20px}.total-row strong{font-size:31px}.footer{margin-top:50px;background:#050505;color:#fff;text-align:center;padding:25px 15px;font-size:12px;font-weight:700}.footer small{display:block;margin-top:8px;color:#c9c9c9}
.install-card{padding:30px;max-width:850px;margin:0 auto}.install-card h3{margin:0 0 4px}.help{color:var(--muted);margin:0 0 8px}.alert{padding:13px 15px;border-radius:7px;margin-bottom:18px;font-weight:700}.alert.error{background:#fee2e2;color:#991b1b}.alert.success{background:#dcfce7;color:#166534}
.admin-shell{max-width:1180px;margin:36px auto;padding:0 18px}.admin-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.admin-toolbar h1{margin:0;font-size:26px}.admin-toolbar p{margin:5px 0 0;color:var(--muted)}.admin-section{margin:18px 0 26px}.admin-section-head{display:flex;align-items:center;justify-content:space-between;padding:0 4px 10px}.admin-section-head h2{font-size:20px;margin:0}.admin-card{background:#fff;border-radius:8px;box-shadow:var(--shadow);overflow:hidden}.settings-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:20px}.setting-cell span{display:block;color:#6b7280;font-size:12px;font-weight:800;text-transform:uppercase;margin-bottom:8px}.setting-cell strong{font-size:23px}.table-wrap{overflow:auto}.admin-table{width:100%;border-collapse:collapse;min-width:760px}.admin-table th{font-size:11px;text-transform:uppercase;color:#4b5563;text-align:left;background:#fafafa;padding:13px 16px;border-bottom:1px solid #e5e7eb}.admin-table td{padding:13px 16px;border-bottom:1px solid #e5e7eb;font-size:14px}.admin-table tr:last-child td{border-bottom:0}.actions{white-space:nowrap}.icon-action{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:6px;margin-right:4px;font-weight:800}.icon-action.edit{color:#d97706;background:#fff7ed}.icon-action.delete{color:#dc2626;background:#fef2f2;border:0;cursor:pointer}.add-link{font-size:12px;font-weight:800;color:#9ca3af}.add-link:hover{color:var(--orange)}.login-card{max-width:470px;margin:70px auto;padding:28px}.login-card h1{margin:0 0 20px}.login-card form{display:grid;gap:16px}.login-card label{font-size:13px;font-weight:800}.login-card input{width:100%;margin-top:8px;padding:13px;border:1px solid #cbd5e1;border-radius:7px}.edit-card{max-width:760px;margin:34px auto;padding:28px}.edit-card h1{margin-top:0}.edit-card .form-grid{gap:18px}.button-row{display:flex;gap:10px;margin-top:22px}.button-row .primary,.button-row .secondary{border-radius:7px}.note{background:#eff6ff;color:#1e3a8a;padding:12px 14px;border-radius:7px;font-size:13px;line-height:1.45}.danger-note{background:#fff7ed;color:#9a3412}.badge{display:inline-block;padding:3px 7px;border-radius:999px;background:#dcfce7;color:#166534;font-size:11px;font-weight:800}.badge.off{background:#f3f4f6;color:#6b7280}
@media(max-width:800px){.brand strong{font-size:21px}.brand small{font-size:11px}.brand-mark{width:42px;height:48px}.topbar-inner{align-items:flex-start}.pill{padding:10px 13px;font-size:12px}.form-grid,.result-grid,.settings-grid{grid-template-columns:1fr}.full{grid-column:auto}.calculator-shell,.install-shell{margin-top:25px}.calculator-card,.results-card{padding:20px}.action-row{flex-direction:column}.secondary{width:100%}.top-actions{flex-direction:column;align-items:stretch}.admin-toolbar{align-items:flex-start;flex-direction:column}.price-row span{font-size:14px}.price-row strong{font-size:18px}}
@media(max-width:560px){.topbar-inner{padding:14px 12px}.brand strong{font-size:16px}.brand small{font-size:9px;margin-top:4px}.brand-mark{width:34px;height:40px}.top-actions .pill.dark{display:none}.pill{padding:9px 10px}.section-title.compact h1{font-size:20px}.calculator-shell{padding:0 10px}.toggle-row{display:grid;grid-template-columns:1fr 1fr}.toggle{font-size:12px;padding:8px}.total-row strong{font-size:25px}}