:root{--bg:#f4f6f9;--surface:#fff;--ink:#172b40;--muted:#596a7b;--line:#dce3eb;--accent:#1261af;--accent-soft:#edf5ff;--positive:#087346;--negative:#b32622;--radius:16px;--shadow:0 6px 24px #132f4d08}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}a{color:var(--accent)}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #1171ce;outline-offset:3px}button{transition:background .15s,color .15s,box-shadow .15s}button:disabled{cursor:default;opacity:.55}[hidden]{display:none!important}
.skip{position:fixed;top:-100px;left:12px;z-index:100;background:#fff;padding:12px}.skip:focus{top:8px}
.topbar{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.topbar-inner{max-width:1504px;margin:auto;padding:14px 28px;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-size:23px;font-weight:750;line-height:1.05}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:#17314b;color:white;font-size:21px}.brand-company{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:600;margin-top:5px;color:var(--muted)}.header-copy{font-size:13px;color:var(--muted);margin-right:auto}.actions{display:flex;gap:8px}.button{border:1px solid var(--line);background:white;border-radius:9px;padding:9px 13px;font-size:13px;font-weight:600;min-height:40px}.button:hover{background:var(--accent-soft);border-color:#a8c8e8}.button.subtle{color:var(--muted);border-color:transparent;background:transparent}
.page{max-width:1504px;padding:32px 28px 20px;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:26px}.eyebrow{margin:0 0 7px;font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--muted)}h1{font-size:34px;line-height:1.18;margin:0 0 10px;letter-spacing:-.025em}.intro{margin:0;color:var(--muted);font-size:14px}.market-switch{display:flex;gap:3px;background:#e7ecf2;padding:4px;border-radius:12px;flex-shrink:0}.market-switch button{border:0;background:transparent;color:var(--muted);font-weight:650;font-size:13px;border-radius:9px;padding:11px 18px;min-height:42px}.market-switch button[aria-pressed=true]{background:white;color:var(--ink);box-shadow:0 2px 8px #10204012}
.workspace{display:grid;grid-template-columns:390px minmax(0,1fr);gap:24px;align-items:start}.controls{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);position:sticky;top:92px;max-height:calc(100svh - 112px);overflow:auto;scrollbar-width:thin;scrollbar-color:#bccbd8 transparent}.controls-head{padding:20px 20px 16px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line)}h2{font-size:17px;line-height:1.3;margin:0;font-weight:700}.controls-head p{font-size:11px;color:var(--muted);margin:5px 0 0}.edit-mark,.readonly-mark{font-size:10px;line-height:1.4;padding:5px 8px;border-radius:7px;white-space:nowrap;font-weight:600;background:#edf5ff;color:#15578f}.readonly-mark{background:#eef1f5;color:var(--muted)}
.input-section{border-bottom:1px solid var(--line);padding:16px 20px}.input-section:last-child{border-bottom:0}.input-section>summary{list-style:none;cursor:pointer;font-weight:700;font-size:13px;display:flex;justify-content:space-between;align-items:center;padding:0 0 3px;min-height:24px}.input-section>summary::-webkit-details-marker{display:none}.input-section>summary:after{content:"+";font-size:20px;font-weight:400;color:var(--muted)}.input-section[open]>summary:after{content:"−"}.input-section-content{display:grid;grid-template-columns:1fr 1fr;gap:14px 12px;margin-top:14px}.field.wide{grid-column:1/-1}.field{min-width:0}.field-label{display:flex;align-items:center;justify-content:space-between;gap:4px;font-size:12px;font-weight:600;line-height:1.35;min-height:32px;margin-bottom:6px}.help-button{width:26px;height:26px;flex-shrink:0;display:grid;place-items:center;border:0;background:transparent;color:#687b8d;border-radius:50%;padding:0}.help-button:hover{color:var(--accent);background:var(--accent-soft)}.help-button svg{width:16px;height:16px}.field-control{position:relative}.field input,.field select{width:100%;min-width:0;height:43px;border:1px solid #cbd7e3;background:#fbfdff;color:var(--ink);border-radius:9px;padding:9px 12px;font-size:16px;font-weight:600;font-variant-numeric:tabular-nums}.field select{font-size:13px;font-weight:500;padding-right:8px}.field input{padding-right:40px}.field-unit{position:absolute;right:11px;top:12px;color:var(--muted);font-size:11px;pointer-events:none}.field input:focus{background:white;border-color:var(--accent)}.field input[aria-invalid=true]{border-color:var(--negative);background:#fff5f4}.field-error{min-height:0;color:var(--negative);font-size:11px;margin-top:4px}.field-error:empty{display:none}.field-note{font-size:11px;line-height:1.4;color:var(--muted);grid-column:1/-1;margin:0}.computed-cost{grid-column:1/-1;display:flex;justify-content:space-between;padding:9px 11px;background:#f1f5f8;border-radius:8px;font-size:12px;align-items:center}.computed-cost strong{font-size:15px}.tax-choice{margin-top:7px}
.result-intro{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin:2px 0 12px}.date{white-space:nowrap}.notice{background:#eef5ff;border:1px solid #cbdff7;padding:11px 14px;border-radius:10px;font-size:12px;margin-bottom:14px;line-height:1.5}.notice.warning{background:#fff7e9;border-color:#efd4a5;color:#7e4b13}.notice.error{background:#fff1f0;border-color:#f1c3bf;color:var(--negative)}.loading{padding:24px;border-radius:14px;background:white;border:1px solid var(--line)}
.market-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.market-cards.single{grid-template-columns:1fr}.market-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);min-width:0}.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.market-name{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:750}.market-logo{display:grid;place-items:center;min-width:32px;height:28px;border-radius:7px;color:white;font-size:11px;padding:0 5px}.market-logo.wb{background:#7d279c}.market-logo.ozon{background:#1461d2}.scheme{font-size:11px;color:var(--muted)}.metric-label{font-size:12px;display:flex;align-items:center;gap:3px;color:var(--muted);margin-bottom:4px}.profit{font-size:35px;font-weight:750;line-height:1.15;letter-spacing:-.025em;font-variant-numeric:tabular-nums;white-space:nowrap}.profit.positive{color:var(--positive)}.profit.negative,.negative{color:var(--negative)}.metric-sub{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted);margin-top:9px}.metric-sub strong{color:var(--ink);font-weight:650}.goal-line{margin-top:14px;font-size:11px;display:flex;justify-content:space-between;gap:6px}.goal-track{height:5px;background:#eaf0f5;border-radius:5px;margin-top:6px;overflow:hidden}.goal-fill{height:100%;background:#2982bd;border-radius:5px;max-width:100%}.target-grid{border-top:1px solid var(--line);margin-top:17px;padding-top:14px;display:grid;grid-template-columns:1fr 1fr;gap:14px 12px}.target-item{min-width:0}.target-label{font-size:11px;line-height:1.3;display:flex;align-items:center;gap:1px;color:var(--muted)}.target-value{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:3px}.card-note{font-size:10px;line-height:1.5;color:var(--muted);margin:15px 0 0}.comparison-note{font-size:11px;color:var(--muted);padding:11px 2px 15px;line-height:1.5}
.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:20px;margin-top:17px;box-shadow:var(--shadow)}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.small-switch{display:flex;gap:2px;border-radius:9px;background:#f0f3f7;padding:3px}.small-switch button{border:0;background:transparent;border-radius:7px;padding:6px 9px;font-size:11px;color:var(--muted);min-height:30px}.small-switch button[aria-pressed=true]{background:white;color:var(--ink);box-shadow:0 1px 5px #182a4110}
.expenses{width:100%;border-collapse:collapse;font-size:12px;font-variant-numeric:tabular-nums}.expenses th{font-size:10px;text-transform:uppercase;letter-spacing:.04em;text-align:right;padding:7px 4px 10px;color:var(--muted);font-weight:650}.expenses th:first-child{text-align:left}.expenses td{padding:9px 4px;border-bottom:1px solid #edf0f4;text-align:right;vertical-align:middle}.expenses td:first-child{text-align:left;width:57%}.expenses .row-label{display:flex;align-items:center;gap:3px;line-height:1.35}.expenses tr.total td{font-weight:750;border-top:1px solid var(--line);border-bottom:0;padding-top:14px}.expenses tr.profit-row td{font-weight:750;border:0;padding-top:11px}.expense-reserve{font-size:9px;color:#8c6229;padding:1px 4px;border-radius:4px;background:#fff8e9;margin-left:4px}
.rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.rule{font-size:12px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 0;border-bottom:1px solid #edf0f4}.rule-name{display:flex;align-items:center;gap:2px;min-width:0}.rule-value{font-weight:650;white-space:nowrap}.rules-note{font-size:11px;color:var(--muted);margin:13px 0 0;line-height:1.6}
.sources{padding:15px 20px;box-shadow:none}.sources>summary{font-size:12px;font-weight:650;cursor:pointer}.sources-body{font-size:12px;color:var(--muted);margin-top:14px}.sources-body p{margin:10px 0}.sources-body ul{padding-left:19px}.sources-body li{margin:7px 0}.footer{display:flex;justify-content:space-between;gap:18px;margin:28px 0 5px;color:var(--muted);font-size:11px}
.tooltip{position:fixed;z-index:100;width:min(360px,calc(100vw - 24px));padding:15px 17px;border-radius:12px;background:#17314b;color:#fff;box-shadow:0 10px 35px #10253930;font-size:12px;line-height:1.6;pointer-events:auto}.tooltip-title{font-weight:700;margin-bottom:5px}.tooltip-body{color:#e4edf6}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#17314b;color:white;border-radius:10px;font-size:13px;padding:11px 17px;z-index:120;max-width:calc(100vw - 24px)}
.print-only{display:none}
@media(min-width:1600px){.workspace{grid-template-columns:420px minmax(0,1fr)}.page-heading{margin-bottom:30px}}
@media(max-width:1100px){.workspace{grid-template-columns:340px minmax(0,1fr);gap:18px}.page{padding:26px 20px}.topbar-inner{padding:12px 20px;gap:16px}.header-copy{display:none}.actions{margin-left:auto}.profit{font-size:29px}.market-card{padding:16px}.target-value{font-size:16px}.controls-head,.input-section{padding-left:16px;padding-right:16px}.market-switch button{padding:10px 13px}}
@media(max-width:850px){.workspace{grid-template-columns:1fr}.controls{position:static;max-height:none;overflow:visible}.page-heading{align-items:flex-start;flex-direction:column;gap:18px}.market-switch{width:100%}.market-switch button{flex:1}.results{margin-top:2px}.market-cards{gap:12px}.input-section-content{grid-template-columns:1fr 1fr}.controls-head p{font-size:12px}.input-section>summary{font-size:14px}.field-label{font-size:13px}.field-note{font-size:12px}.field input{height:47px}.help-button{width:34px;height:34px}.panel{padding:18px}.result-intro{font-size:12px}.topbar-inner{gap:10px}.actions{gap:5px}.button{padding:8px 10px;min-height:42px}}
@media(max-width:480px){.page{padding:22px 14px 16px}h1{font-size:28px}.intro{font-size:13px;line-height:1.6}.topbar-inner{padding:10px 14px}.brand{font-size:20px}.brand-mark{height:34px;width:34px;font-size:19px}.brand-company{font-size:8px}.button{font-size:11px;padding:8px}.actions .subtle{padding:8px 5px}.market-cards{grid-template-columns:1fr}.market-card{padding:20px}.profit{font-size:36px}.target-value{font-size:18px}.result-intro{flex-direction:column;gap:3px}.rule-grid{grid-template-columns:1fr}.footer{flex-direction:column;gap:5px}.panel-title{align-items:flex-start}.panel-title h2{font-size:16px}.readonly-mark{font-size:9px}.expenses{font-size:11px}.expenses td:first-child{width:57%}.help-button{width:38px;height:38px}.field-label{min-height:40px}.field input,.field select{height:48px}.input-section-content{gap:14px 10px}.field input{font-size:16px}.field-unit{top:15px}.small-switch button{padding:6px 7px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}
@media print{body{background:white;font-size:11px}.topbar,.controls,.market-switch,.actions,.help-button,.small-switch,.sources,.footer,.comparison-note,.rules-panel,.loading,.tooltip,.toast,.skip{display:none!important}.page{max-width:none;padding:0}.page-heading{margin:0 0 14px}h1{font-size:24px}.intro{font-size:11px}.workspace{display:block}.panel,.market-card{box-shadow:none;break-inside:avoid}.profit{font-size:25px}.target-value{font-size:15px}.panel{padding:12px;margin-top:12px}.market-cards{grid-template-columns:1fr 1fr}.date{font-size:10px}.print-only{display:block;font-size:10px;margin-top:12px}.print-only table{width:100%;border-collapse:collapse}.print-only td{padding:3px 6px;border-bottom:1px solid #ddd}.print-only td:nth-child(2){text-align:right}.notice{padding:8px}.eyebrow{font-size:10px}}
.tooltip{max-height:calc(100svh - 24px);overflow:auto}
.mobile-dock{display:none}@media(max-width:850px){.mobile-dock{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:25;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -3px 16px #122b4010}#dock-values{display:flex;gap:20px}#dock-values span{display:block;font-size:9px;color:var(--muted)}#dock-values strong{display:block;font-size:17px;font-variant-numeric:tabular-nums}.mobile-dock>a{font-size:11px;font-weight:650;text-decoration:none;background:var(--accent-soft);padding:10px;border-radius:8px}.page{padding-bottom:90px}.toast{bottom:82px}}@media(max-width:480px){.help-button{width:44px;height:44px}}@media print{.mobile-dock{display:none!important}}

/* Product being researched */
.research-panel{margin:0 0 25px;padding:22px}.research-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}.research-heading .eyebrow{margin-bottom:5px}.research-heading h2{font-size:23px}.research-market-switch{display:flex;padding:4px;background:#edf1f6;border-radius:10px;gap:3px}.research-market-switch button{border:0;background:transparent;border-radius:7px;padding:9px 13px;min-height:44px;color:var(--muted);font-weight:650}.research-market-switch button[aria-pressed=true]{background:#fff;color:var(--ink);box-shadow:0 1px 5px #10204014}.research-market-switch span{font-size:11px;margin-left:4px;color:var(--muted)}.research-picker{display:grid;grid-template-columns:1fr auto;gap:7px 16px;align-items:center;margin:19px 0}.research-picker label{font-size:12px;font-weight:650;grid-column:1/-1}.research-picker select{min-width:0;width:100%;height:46px;padding:0 12px;border:1px solid var(--line);border-radius:9px;color:var(--ink);background:white;font-size:14px}.research-picker>a{font-size:12px;white-space:nowrap;min-height:44px;display:flex;align-items:center}
.research-body{display:grid;grid-template-columns:280px minmax(0,1fr);gap:28px}.research-gallery{min-width:0}.research-photo{position:relative;display:block;width:100%;aspect-ratio:4/5;background:#f5f7fa;border:1px solid var(--line);border-radius:12px;padding:8px;overflow:hidden}.research-photo img{display:block;width:100%;height:100%;object-fit:contain}.research-photo-caption{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);white-space:nowrap;background:#17314b;color:white;border-radius:6px;padding:5px 8px;font-size:10px}.research-image-error{font-size:13px;padding:20px;color:var(--muted)}.research-thumbs{display:flex;gap:8px;padding-top:10px}.research-thumbs button{position:relative;width:58px;height:66px;border:1px solid var(--line);border-radius:8px;padding:3px;background:#fff;overflow:hidden}.research-thumbs button[aria-pressed=true]{border:2px solid var(--accent)}.research-thumbs img{width:100%;height:100%;object-fit:contain}.research-thumbs span{position:absolute;bottom:1px;right:2px;font-size:9px;background:#fff;padding:0 3px;border-radius:3px}
.research-details{min-width:0}.research-id{color:var(--muted);font-size:12px;margin-bottom:8px}.research-details h3{font-size:21px;line-height:1.35;margin:0 0 15px}.research-metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;margin-bottom:15px}.research-metric-label{display:flex;align-items:center;gap:2px;color:var(--muted);font-size:11px}.research-metrics strong{display:block;font-size:20px;line-height:1.3;font-variant-numeric:tabular-nums}.research-price strong{font-size:28px}.research-metrics small{display:block;font-size:10px;color:var(--muted);margin-top:3px}.research-attributes{font-size:12px;margin:0 0 16px}.research-attributes>div{display:grid;grid-template-columns:minmax(130px,40%) 1fr;gap:12px;padding:6px 0;border-bottom:1px solid #edf0f4}.research-attributes dt{color:var(--muted)}.research-attributes dd{margin:0;overflow-wrap:anywhere}.research-actions{display:flex;flex-wrap:wrap;gap:9px}.research-actions .button{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;text-align:center;min-height:44px}.button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.research-calculation-note,.research-source{font-size:11px;line-height:1.65;color:var(--muted)}.research-calculation-note{margin:12px 0 0}.research-source{border-top:1px solid var(--line);padding-top:13px;margin-top:17px}.research-context-link{display:flex;gap:12px;align-items:center;padding:12px;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:15px;text-decoration:none;color:var(--ink)}.research-context-link img{object-fit:contain;flex:none}.research-context-link span{min-width:0}.research-context-link small{display:block;font-size:10px;color:var(--muted)}.research-context-link strong{display:block;font-size:12px;line-height:1.45;margin-top:4px}.research-context-action{font-size:10px;white-space:nowrap;margin-left:auto;color:var(--accent)}
.research-zoom{padding:20px;border:1px solid var(--line);border-radius:14px;width:min(880px,calc(100vw - 24px));max-height:calc(100svh - 24px);overflow:auto;background:white}.research-zoom::backdrop{background:#102135aa}.research-zoom-head{display:flex;justify-content:space-between;align-items:start;gap:16px}.research-zoom h3{font-size:15px;line-height:1.5;margin:0}.research-zoom img{display:block;width:100%;height:auto;max-height:75svh;object-fit:contain;margin-top:16px}
@media(max-width:850px){.research-body{grid-template-columns:220px minmax(0,1fr);gap:20px}.research-panel{padding:18px}.research-details h3{font-size:18px}.research-attributes>div{grid-template-columns:1fr 1fr}.research-actions .button{font-size:12px}}
@media(max-width:600px){.research-heading{align-items:flex-start;flex-direction:column;gap:12px}.research-market-switch{width:100%}.research-market-switch button{flex:1}.research-picker{grid-template-columns:1fr}.research-picker select{font-size:16px}.research-picker>a{min-height:34px}.research-body{grid-template-columns:1fr}.research-gallery{max-width:330px;width:100%;justify-self:center}.research-photo{max-height:360px;aspect-ratio:4/5}.research-details h3{font-size:19px}.research-metrics{gap:12px}.research-actions{flex-direction:column}.research-context-action{display:none}.research-picker select{max-width:100%}.research-context-link strong{font-size:11px}}
@media print{.research-panel{padding:12px;margin:0 0 16px;break-inside:avoid}.research-market-switch,.research-picker,.research-actions,.research-thumbs,.research-photo-caption,.research-context-link,.research-zoom{display:none!important}.research-body{grid-template-columns:140px 1fr;gap:16px}.research-details h3{font-size:15px}.research-photo{border:0;aspect-ratio:4/5}.research-metrics strong,.research-price strong{font-size:16px}.research-source,.research-calculation-note{font-size:9px}.research-attributes{font-size:9px}}

.research-thumbs .research-photo-number{position:static;font-size:20px;font-weight:650;background:transparent;color:var(--accent);padding:0}