/* Artmark Calculator — styles only; header and footer are outside this namespace. */
.artmark-calculator-page{--blue:#366fc0;--dark:#204d8d;--ink:#202b3c;--muted:#6d7889;--line:#dce5f0;min-height:100vh;padding:235px 20px 100px;background:radial-gradient(circle at 12% 18%,rgba(54,111,192,.1),transparent 27rem),#f4f7fb}
.artmark-calculator-page .am-calculator-wrapper{max-width:1160px;margin:auto;padding:0;color:var(--ink);font-family:"Gilroy",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.artmark-calculator-page .am-calculator-wrapper *{box-sizing:border-box}
.artmark-calculator-page .am-calc-main{overflow:hidden;background:#fff;border:1px solid rgba(54,111,192,.13);border-radius:28px;box-shadow:0 24px 70px rgba(28,57,96,.12)}
.artmark-calculator-page .am-calc-header{position:relative;overflow:hidden;padding:42px 48px 38px;color:#fff;background:linear-gradient(125deg,#193f77,var(--blue) 70%,#4a83d5)}.artmark-calculator-page .am-calc-header:after{position:absolute;width:280px;height:280px;right:-80px;bottom:-190px;content:"";border:1px solid rgba(255,255,255,.18);border-radius:50%}.artmark-calculator-page .am-calc-header h1{margin:0 0 18px;color:#fff;font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1.12;letter-spacing:-.025em}.artmark-calculator-page .am-calc-info{max-width:920px;padding-top:17px;border-top:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.82);font-size:13px;line-height:1.55}.artmark-calculator-page .am-calc-info p{margin:4px 0}.artmark-calculator-page .am-calc-info p:first-child{color:#fff}
.artmark-calculator-page .am-calc-selector{padding:38px 48px 34px;background:linear-gradient(135deg,#f7faff,#fff 65%);border-bottom:1px solid var(--line)}.artmark-calculator-page .am-calc-selector>label{display:block;margin-bottom:12px;color:#193f77;font-size:16px;font-weight:700}
.artmark-calculator-page input,.artmark-calculator-page select{min-width:0;color:var(--ink);font:inherit;background:#fff;border:1px solid #cfd9e7;outline:0;transition:border-color .2s,box-shadow .2s,background-color .2s}.artmark-calculator-page input:hover,.artmark-calculator-page select:hover{border-color:#9fb5d0}.artmark-calculator-page input:focus,.artmark-calculator-page select:focus{border-color:var(--blue)!important;box-shadow:0 0 0 4px rgba(54,111,192,.13)}
/* Native selects styled as modern Artmark controls. */
.artmark-calculator-page select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:50px!important;color:#2b3749;background-color:#fff;background-image:linear-gradient(45deg,transparent 50%,var(--blue) 50%),linear-gradient(135deg,var(--blue) 50%,transparent 50%),linear-gradient(to right,#e2e9f2,#e2e9f2);background-position:calc(100% - 21px) 50%,calc(100% - 15px) 50%,calc(100% - 45px) 50%;background-size:6px 6px,6px 6px,1px 24px;background-repeat:no-repeat;cursor:pointer;box-shadow:0 4px 12px rgba(35,65,104,.04)}
.artmark-calculator-page select:hover{color:#193f77;background-color:#fbfdff;box-shadow:0 7px 18px rgba(35,65,104,.08)}
.artmark-calculator-page select:focus{color:#193f77;background-image:linear-gradient(135deg,transparent 50%,var(--blue) 50%),linear-gradient(45deg,var(--blue) 50%,transparent 50%),linear-gradient(to right,#cbd9eb,#cbd9eb)}
.artmark-calculator-page select:disabled{color:#8b96a5;background-color:#f2f5f8;cursor:not-allowed;opacity:.75}
.artmark-calculator-page select option{color:#263246;background:#fff;font-size:15px;font-weight:500}
.artmark-calculator-page select option:checked{color:#fff;background:var(--blue)}
.artmark-calculator-page .am-calc-selector>select{width:100%;min-height:54px;padding:0 50px 0 17px;border-radius:13px;font-size:15px;font-weight:600;cursor:pointer}
/* Number steppers: retain native increment/decrement behavior with a cleaner control. */
.artmark-calculator-page input[type="number"]{padding-right:12px!important;color-scheme:light;font-variant-numeric:tabular-nums}
.artmark-calculator-page input[type="number"]::-webkit-inner-spin-button{width:26px;height:34px;margin:0 0 0 10px;cursor:pointer;opacity:.72;filter:sepia(25%) saturate(1800%) hue-rotate(175deg) brightness(82%);transition:opacity .2s ease,filter .2s ease}
.artmark-calculator-page input[type="number"]:hover::-webkit-inner-spin-button{opacity:1;filter:sepia(35%) saturate(2400%) hue-rotate(175deg) brightness(72%)}
.artmark-calculator-page input[type="number"]:focus::-webkit-inner-spin-button{opacity:1;filter:sepia(40%) saturate(2600%) hue-rotate(175deg) brightness(68%)}
.artmark-calculator-page .am-calc-info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:22px 0 0}.artmark-calculator-page .am-calc-info-grid>div{min-height:82px;padding:15px 16px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 5px 18px rgba(42,68,103,.04);font-size:13px}.artmark-calculator-page .am-calc-label{display:block;margin-bottom:7px;color:var(--muted);font-size:11px}.artmark-calculator-page .am-calc-value{font-size:14px;font-weight:700;line-height:1.35}
.artmark-calculator-page .am-calc-params,.artmark-calculator-page .am-calc-label-inputs,.artmark-calculator-page .am-calc-inputs{display:grid;gap:18px}.artmark-calculator-page .am-calc-params{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:24px}.artmark-calculator-page .am-calc-inputs{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.artmark-calculator-page .am-calc-label-inputs{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:24px}.artmark-calculator-page .am-calc-params label,.artmark-calculator-page .am-calc-inputs label,.artmark-calculator-page .am-calc-label-inputs label{display:block;margin-bottom:8px;color:#46546a;font-size:12px;font-weight:700;line-height:1.3}.artmark-calculator-page .am-calc-params input,.artmark-calculator-page .am-calc-inputs input,.artmark-calculator-page .am-calc-inputs select,.artmark-calculator-page .am-calc-label-inputs input,.artmark-calculator-page #am-lbl-coat{width:100%!important;min-height:48px;padding:11px 14px!important;border:1px solid #cfd9e7!important;border-radius:11px!important;font-size:15px!important;font-weight:600}.artmark-calculator-page .am-calc-hint{margin-top:7px;color:#8994a4;font-size:11px;line-height:1.35}
.artmark-calculator-page .am-calc-tabs{display:flex;gap:8px;padding:10px;background:#f5f8fc;border-bottom:1px solid var(--line)}.artmark-calculator-page .am-calc-tab{flex:1;min-height:58px;padding:12px 16px;color:#647187;font-family:inherit;font-size:14px;font-weight:700;background:transparent;border:1px solid transparent;border-radius:13px;cursor:pointer;transition:.2s}.artmark-calculator-page .am-calc-tab:hover{color:var(--blue);background:rgba(255,255,255,.75)}.artmark-calculator-page .am-calc-tab.active{color:var(--dark);background:#fff;border-color:#d7e2ef;box-shadow:0 6px 20px rgba(33,61,99,.08)}
.artmark-calculator-page .am-calc-content{padding:42px 48px 48px}.artmark-calculator-page .am-calc-panel{display:none}.artmark-calculator-page .am-calc-panel.active{display:block}.artmark-calculator-page .am-calc-card{padding:30px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 10px 35px rgba(37,61,94,.055)}.artmark-calculator-page .am-calc-card h2{margin:0 0 26px;padding-left:18px;color:#193f77;font-size:21px;font-weight:700;line-height:1.3;border-left:4px solid var(--blue)}
.artmark-calculator-page .am-calc-result{position:relative;overflow:hidden;margin-top:26px;padding:28px;text-align:center;background:linear-gradient(135deg,#f2f7ff,#e4efff);border:1px solid #c9dcf5;border-radius:17px}.artmark-calculator-page .am-calc-result.green{background:linear-gradient(135deg,#f2f7ff,#e8f1ff);border-color:#c9dcf5}.artmark-calculator-page .am-calc-result-label{margin-bottom:7px;color:#5f6d80;font-size:13px;font-weight:600}.artmark-calculator-page .am-calc-result-value,.artmark-calculator-page .am-calc-result.green .am-calc-result-value{color:#193f77;font-size:clamp(42px,6vw,60px);font-weight:700;line-height:1.05;letter-spacing:-.035em}.artmark-calculator-page .am-calc-result-unit{font-size:.4em;letter-spacing:0}
.artmark-calculator-page .am-calc-breakdown{margin-top:24px;padding:24px 28px;background:#f7faff;border:1px solid #cfdef1;border-radius:18px}.artmark-calculator-page .am-calc-breakdown-row{display:flex;justify-content:space-between;gap:24px;padding:11px 0;color:#536175;border-bottom:1px solid #e0e8f2;font-size:14px}.artmark-calculator-page .am-calc-breakdown-row .am-calc-val{flex-shrink:0;color:var(--ink);font-weight:700}.artmark-calculator-page .am-calc-breakdown-total{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:10px;padding:20px 22px;color:#fff;background:linear-gradient(125deg,#193f77,var(--blue));border-radius:14px}.artmark-calculator-page .am-calc-breakdown-total .am-calc-lbl{font-size:15px;font-weight:700}.artmark-calculator-page .am-calc-breakdown-total .am-calc-val{font-size:30px;font-weight:700}.artmark-calculator-page .am-calc-note{margin-top:16px;color:var(--muted);font-size:11px;font-style:italic;text-align:center}
.artmark-calculator-page .am-calc-schema{margin-top:34px}.artmark-calculator-page .am-calc-schema h3{margin:0 0 15px;color:#193f77;font-size:17px;font-weight:700}.artmark-calculator-page .am-calc-schema-box{min-height:400px;padding:24px;background:#f8fafc;border:1px solid var(--line);border-radius:18px}.artmark-calculator-page .am-calc-legend{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:12px}.artmark-calculator-page .am-calc-legend-item{display:flex;align-items:center;gap:7px;padding:5px 8px;color:#566478;font-size:11px}.artmark-calculator-page .am-calc-legend-color{width:18px;height:18px;border-radius:5px}.artmark-calculator-page .lbl,.artmark-calculator-page .am-calc-visual-label{background:linear-gradient(135deg,#667eea,#764ba2)}.artmark-calculator-page .gap,.artmark-calculator-page .am-calc-visual-gap{background:linear-gradient(135deg,#f093fb,#f5576c)}.artmark-calculator-page .marg,.artmark-calculator-page .am-calc-visual-margin{background:linear-gradient(135deg,#4facfe,#00cbdc)}.artmark-calculator-page .lin,.artmark-calculator-page .am-calc-liner{background:repeating-linear-gradient(45deg,#e8edf3,#e8edf3 9px,#fafbfc 9px,#fafbfc 18px)}
.artmark-calculator-page .am-calc-visual{display:flex;align-items:center;justify-content:center;gap:3px;min-height:120px;padding:18px;overflow-x:auto;background:#fff;border:1px solid #d5dfeb;border-radius:13px}.artmark-calculator-page .am-calc-visual-label,.artmark-calculator-page .am-calc-visual-gap,.artmark-calculator-page .am-calc-visual-margin{display:flex;flex-shrink:0;align-items:center;justify-content:center;color:#fff;font-size:9px;font-weight:700;text-align:center;border-radius:7px}.artmark-calculator-page .am-calc-visual-more{flex-shrink:0;padding:8px 12px;background:#e8edf4;border-radius:7px}.artmark-calculator-page .am-calc-liner{display:flex;align-items:center;justify-content:center;height:48px;margin-top:14px;color:var(--muted);font-size:11px;font-weight:600;border:1px solid #d5dfeb;border-radius:10px}.artmark-calculator-page .am-calc-schema-info{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px;padding:16px;font-size:12px;background:#edf5ff;border:1px solid #cfdef1;border-radius:12px}.artmark-calculator-page .am-calc-schema-info:empty{display:none}.artmark-calculator-page .am-calc-schema-info .am-calc-val{color:#193f77;font-weight:700}.artmark-calculator-page .am-calc-schema-info .am-calc-full{grid-column:span 4;padding-top:12px;border-top:1px solid #cfdef1}.artmark-calculator-page .am-calc-empty{padding:55px 20px;color:#98a4b3;text-align:center}
@media(max-width:1170px){.artmark-calculator-page{padding-top:46px}}@media(max-width:800px){.artmark-calculator-page{padding:28px 12px 60px}.artmark-calculator-page .am-calc-header,.artmark-calculator-page .am-calc-selector,.artmark-calculator-page .am-calc-content{padding:28px 24px}.artmark-calculator-page .am-calc-info-grid{grid-template-columns:repeat(2,1fr)}.artmark-calculator-page .am-calc-params{grid-template-columns:1fr}.artmark-calculator-page .am-calc-tabs{overflow-x:auto}.artmark-calculator-page .am-calc-tab{min-width:170px}.artmark-calculator-page .am-calc-label-inputs{grid-template-columns:repeat(2,1fr)}}@media(max-width:540px){.artmark-calculator-page{padding-left:8px;padding-right:8px}.artmark-calculator-page .am-calc-content{padding:22px 14px}.artmark-calculator-page .am-calc-card{padding:22px 16px}.artmark-calculator-page .am-calc-info-grid,.artmark-calculator-page .am-calc-inputs,.artmark-calculator-page .am-calc-label-inputs{grid-template-columns:1fr}.artmark-calculator-page .am-calc-breakdown{padding:18px 14px}.artmark-calculator-page .am-calc-breakdown-total{align-items:flex-start;flex-direction:column;gap:6px}.artmark-calculator-page .am-calc-schema-box{padding:14px}.artmark-calculator-page .am-calc-schema-info{grid-template-columns:1fr}.artmark-calculator-page .am-calc-schema-info .am-calc-full{grid-column:span 1}}