.professional-page{max-width:1100px;padding-block:28px 48px}.professional-page>header{margin-bottom:18px}.professional-page h1{margin:8px 0;font-size:clamp(22px,2.8vw,34px)}.professional-page>header p{color:var(--text-secondary);font-size:13px}.professional-calculator{grid-template-columns:minmax(0,1fr) minmax(280px,340px);grid-template-areas:"products products""tiles tiles""popular popular""main side";align-items:start;gap:16px;display:grid}.calc-products{grid-area:products}.calc-stage__main{grid-area:main;align-content:start;gap:12px;min-width:0;display:grid}.calc-manual-source{color:var(--text-muted);font-size:11px}.calc-result-note{color:var(--text-secondary);margin:0;font-size:12px;line-height:1.8}.calc-result-details{border-top:1px solid var(--border-subtle);color:var(--text-secondary);font-size:11px}.calc-result-details>summary{cursor:pointer;min-height:44px;color:var(--accent);align-items:center;font-weight:700;display:flex}.calc-result-details>div{gap:8px;padding-bottom:8px;display:grid}.calc-result-details p{flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin:0;display:flex}.calc-result-details p span{min-width:110px}.calc-result-details p small{color:var(--text-muted);margin-inline-start:auto}.calc-result-details>div>small{color:var(--text-muted);line-height:1.7}.calc-stage__side{grid-area:side;min-width:0;position:sticky;top:84px}.calc-popular{grid-area:popular}.calc-live-strip{margin:0}.calc-products{background:var(--surface-soft);border:1px solid var(--border-subtle);border-radius:12px;gap:4px;max-width:520px;padding:4px;display:flex}.calc-products button{min-height:40px;color:var(--text-secondary);background:0 0;border:0;border-radius:9px;flex:1;justify-content:center;align-items:center;gap:6px;padding:0 10px;font:700 13px Vazirmatn;display:inline-flex}.calc-products button[aria-pressed=true]{background:var(--surface-card);color:var(--accent);box-shadow:0 2px 8px var(--shadow)}.calc-products button:disabled,.calc-products button.is-locked{opacity:.42;cursor:not-allowed}.calc-product-tiles{gap:8px}.calc-product-tiles>button{border:1px solid var(--border-subtle);background:var(--surface-card);min-width:0;color:var(--text-secondary);border-radius:12px;flex:1 1 0;justify-items:center;gap:5px;padding:8px 3px 6px;display:grid;position:relative}.calc-product-tiles__icon{background:var(--surface-soft);width:32px;height:32px;color:var(--text-muted);border-radius:9px;place-items:center;display:grid}.calc-product-tiles>button small{font:700 10px/1 Vazirmatn}.calc-product-tiles>button.is-on{border-color:color-mix(in srgb,var(--accent) 50%,var(--border-subtle));background:color-mix(in srgb,var(--accent) 12%,var(--surface-card));color:var(--accent)}.calc-product-tiles>button.is-on .calc-product-tiles__icon{background:var(--accent);color:var(--accent-contrast)}.calc-product-tiles>button.is-locked,.calc-product-tiles>button:disabled{opacity:.72;cursor:not-allowed}.calc-lock-badge{color:var(--accent);opacity:.95;position:absolute;top:6px;left:6px}.calc-keypad-wrap{border:1px solid var(--border-subtle);background:var(--surface-card);border-radius:16px;margin:0;padding:14px}.calc-keypad{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.calc-keypad button{border:1px solid var(--border-subtle);background:var(--surface-soft);min-height:56px;color:var(--text-primary);border-radius:12px;place-items:center;padding:0;font:800 18px Vazirmatn;display:grid}.calc-keypad button.is-op{background:color-mix(in srgb,var(--accent) 12%,var(--surface-soft));border-color:color-mix(in srgb,var(--accent) 22%,var(--border-subtle));color:var(--accent)}.calc-keypad button.is-accent{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast);font-size:22px}.calc-weight-widget{border:1px solid var(--border-subtle);background:var(--surface-card);border-radius:16px;margin:0;padding:18px}.calc-weight-widget__head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:16px;display:flex}.calc-weight-widget__titles{flex:auto;min-width:0}.calc-weight-widget__head strong{color:var(--text-primary);font-size:16px;line-height:1.6;display:block}.calc-weight-widget__head strong>small,.calc-weight-widget__head small{color:var(--text-muted);margin:0 6px 0 0;font:600 12px Vazirmatn;display:inline}.calc-weight-widget__titles>small{margin:4px 0 0;display:block}.calc-fav-toggle{border:1px solid var(--border-subtle);background:var(--surface-soft);width:36px;min-width:36px;height:36px;color:var(--text-muted);cursor:pointer;border-radius:10px;flex:none;place-items:center;padding:0;display:inline-grid}.calc-fav-toggle.is-box:hover{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,var(--border-subtle))}.calc-fav-toggle.is-box.is-on{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 45%,var(--border-subtle));background:color-mix(in srgb,var(--accent) 10%,var(--surface-card))}.calc-fav-toggle.is-ghost{width:40px;min-width:40px;height:40px;color:color-mix(in srgb,var(--text-muted) 85%,transparent);background:0 0;border:0;border-radius:999px}.calc-fav-toggle.is-ghost:hover{color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}.calc-fav-toggle.is-ghost.is-on{color:var(--accent);background:0 0}.calc-tools-sheet{scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--border-strong) 70%,transparent) transparent;gap:2px;max-height:min(58vh,480px);padding:4px 8px 12px;display:grid;overflow:auto}.calc-tools-sheet::-webkit-scrollbar{width:5px}.calc-tools-sheet::-webkit-scrollbar-track{background:0 0}.calc-tools-sheet::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--border-strong) 65%,transparent);border-radius:999px}.calc-tools-sheet::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb,var(--accent) 45%,var(--border-strong))}.calc-tools-sheet__row{border:1px solid #0000;border-radius:12px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2px;padding:2px 2px 2px 4px;display:grid}.calc-tools-sheet__row.is-on{border-color:color-mix(in srgb,var(--accent) 40%,var(--border-subtle));background:color-mix(in srgb,var(--accent) 8%,var(--surface-card))}.calc-tools-sheet__pick{min-width:0;min-height:48px;color:var(--text-primary);text-align:right;cursor:pointer;background:0 0;border:0;border-radius:10px;align-items:center;gap:10px;width:100%;padding:8px 10px;display:flex}.calc-tools-sheet__icon{background:var(--surface-soft);width:34px;height:34px;color:var(--text-muted);border-radius:10px;flex:none;place-items:center;display:grid}.calc-tools-sheet__label{flex:auto;min-width:0;font:700 13px Vazirmatn}.calc-tools-sheet__lock{color:var(--accent);flex:none}.calc-tools-sheet__row.is-locked .calc-tools-sheet__label{color:var(--text-secondary)}.ds-overlay__panel:has(.calc-tools-sheet){overflow:hidden}.ds-overlay__panel:has(.calc-tools-sheet) .ds-overlay__body{padding-inline:0;padding-bottom:4px;overflow:hidden}.calc-weight-widget__pair{direction:ltr;grid-template-columns:minmax(0,1fr) 40px minmax(0,1fr);grid-template-areas:"out swap in";align-items:center;gap:12px;display:grid}.calc-weight-swap{grid-area:swap;justify-self:center}.calc-weight-box{border:1px solid var(--border-subtle);background:var(--surface-soft);border-radius:12px;gap:8px;min-width:0;padding:14px;display:grid;overflow:hidden}.calc-weight-box.is-in:has(.calc-weight-box__input:focus){border-color:color-mix(in srgb,var(--accent) 40%,var(--border-subtle));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 12%,transparent)}.calc-weight-box.is-out{background:color-mix(in srgb,var(--accent) 10%,var(--surface-soft));border-color:color-mix(in srgb,var(--accent) 28%,var(--border-subtle))}.calc-weight-box>.ds-field__label{color:var(--text-muted);font-size:11px}.calc-weight-box__input-wrap{min-width:0;position:relative}.calc-weight-box__input{box-sizing:border-box;font-variant-numeric:tabular-nums;width:100%;min-height:48px;text-align:left!important;direction:ltr!important;padding:10px 34px 10px 12px!important;font-size:22px!important;font-weight:800!important}.calc-weight-box__clear{background:color-mix(in srgb,var(--text-muted) 16%,transparent);width:18px;height:18px;color:var(--text-secondary);z-index:2;cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:50%;place-items:center;margin:0;padding:0;display:grid;position:absolute;top:50%;left:auto;right:6px;translate:0 -50%;box-shadow:none!important;border:0!important;outline:none!important}.calc-weight-box__clear:hover{background:color-mix(in srgb,var(--text-muted) 28%,transparent);color:var(--text-primary)}.calc-weight-box__clear:focus,.calc-weight-box__clear:focus-visible,.calc-weight-box__clear:active{box-shadow:none!important;border:0!important;outline:none!important}.calc-weight-box__result{font-variant-numeric:tabular-nums;color:var(--accent);text-overflow:ellipsis;white-space:nowrap;min-height:48px;padding:10px 0 4px;font:800 22px/1.25 Vazirmatn;display:block;overflow:hidden}.calc-weight-box__select .ds-select__trigger{min-height:40px}.calc-weight-box__select .ds-field__label{font-size:11px}.calc-weight-swap{border:1px solid color-mix(in srgb,var(--accent) 35%,var(--border-subtle));background:color-mix(in srgb,var(--accent) 14%,var(--surface-card));width:40px;height:40px;color:var(--accent);border-radius:50%;place-items:center;padding:0;display:grid}.calc-weight-widget__factor{background:var(--surface-soft);color:var(--text-secondary);overflow-wrap:anywhere;border-radius:10px;align-items:flex-start;gap:6px;margin:12px 0 0;padding:9px 11px;font-size:12px;line-height:1.5;display:flex}.calc-conversion-note{color:var(--text-muted);margin:8px 0 0;font-size:11px;line-height:1.6}.calc-weight-widget__price-link{color:var(--accent);text-align:right;cursor:pointer;background:0 0;border:0;margin-top:8px;padding:4px 0;font:600 11px/1.6 Vazirmatn}.calc-weight-widget__price-link:hover{text-decoration:underline}.calc-weight-widget__price-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.calc-conversion-direction{border:1px solid var(--border-subtle);background:var(--surface-soft);border-radius:12px;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding:4px;display:grid}.calc-conversion-direction button{min-height:40px;color:var(--text-secondary);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:6px;font:700 12px Vazirmatn}.calc-conversion-direction button.is-on{background:var(--surface-card);color:var(--accent);box-shadow:0 1px 4px var(--shadow)}.calc-conversion-direction button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.calc-weight-widget__factor>svg{color:var(--text-muted);flex-shrink:0;margin-top:2px}.calc-tool-panel{border:1px solid var(--border-subtle);background:var(--surface-card);border-radius:16px;align-content:start;gap:10px;margin:0;padding:14px;display:grid}.calc-tool-panel__toolbar{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:4px;display:flex}.calc-tool-panel__title{min-width:0;color:var(--text-primary);flex:auto;margin:0;font:700 14px Vazirmatn}.calc-tool-panel__select{min-width:0}.calc-tool-panel__select .ds-field__label{font-size:11px}.calc-tool-panel__refresh{border:1px solid var(--border-subtle);background:var(--surface-soft);width:40px;height:40px;color:var(--accent);cursor:pointer;border-radius:10px;place-items:center;padding:0;display:grid}.calc-tool-panel__refresh:disabled{opacity:.45;cursor:not-allowed}.calc-tool-panel__field{gap:5px;display:grid}.calc-tool-panel__head{justify-content:space-between;align-items:center;gap:8px;min-width:0;display:flex}.calc-tool-panel__label{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;min-width:0;font:600 12px Vazirmatn;overflow:hidden}.calc-tool-panel__control{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:6px;display:grid}.calc-tool-panel__control .ds-input{text-align:left;font-variant-numeric:tabular-nums;direction:ltr;height:40px;min-height:40px;max-height:40px;padding:6px 12px;font-size:16px}.calc-tool-panel__field.is-live .ds-input{border-color:color-mix(in srgb,var(--success) 40%,var(--border-subtle))}.calc-tool-panel__field.is-manual .ds-input{border-color:color-mix(in srgb,var(--accent) 35%,var(--border-subtle))}@property --cue-angle{syntax:"<angle>";inherits:false;initial-value:0deg}.calc-keypad-wrap{position:relative;overflow:hidden}.calc-keypad-wrap.is-keypad-cue{border-color:#0000}.calc-keypad-wrap.is-keypad-cue:after{content:"";border-radius:inherit;box-sizing:border-box;pointer-events:none;z-index:4;background:conic-gradient(from var(--cue-angle),#0000 0 72%,var(--accent) 84%,#ffe6a3 92%,#0000 100%);-webkit-mask-composite:xor;padding:1px;animation:4s linear forwards calc-keypad-cue;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}@keyframes calc-keypad-cue{0%{--cue-angle:0deg}to{--cue-angle:1080deg}}@media (prefers-reduced-motion:reduce){.calc-keypad-wrap.is-keypad-cue{border-color:color-mix(in srgb,var(--accent) 55%,var(--border-subtle))}.calc-keypad-wrap.is-keypad-cue:after{opacity:0;animation:none}}.calc-result-panel{border:1px solid color-mix(in srgb,var(--accent) 35%,var(--border-subtle));background:color-mix(in srgb,var(--accent) 8%,var(--surface-card));border-radius:14px;gap:8px;padding:12px 14px;display:grid}.calc-result-panel>strong{color:var(--accent);font-size:12px}.calc-result-panel__row{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.calc-result-panel__row span{color:var(--text-secondary);font-size:11px}.calc-result-panel__row bdi{color:var(--text-primary);font-variant-numeric:tabular-nums;font:800 15px Vazirmatn}.calc-result-panel__row small{color:var(--text-muted);margin-right:4px;font:600 10px Vazirmatn}.calc-result-panel__ver{color:var(--text-muted);font-size:10px}@media (max-width:760px){.calc-result-panel--desktop{display:none!important}}.calc-tool-panel__unit{color:var(--text-muted);text-align:start;max-width:96px;font:600 10px/1.25 Vazirmatn}.calc-tool-panel__go{width:100%;min-height:42px}.calc-tool-panel--locked{text-align:center;color:var(--text-secondary);place-items:center;padding:28px 16px}.calc-tool-panel--locked>svg{color:var(--accent)}.calc-tool-panel--locked strong{color:var(--text-primary);font-size:15px}.calc-tool-panel--locked p{max-width:240px;margin:0;font-size:12px}.calc-popular{min-width:0;margin:0}.calc-popular__rail{min-width:0}.calc-popular__icons{flex-wrap:nowrap;align-items:stretch;gap:8px;display:flex}.calc-popular__icons>button:not(.calc-popular__all){border:1px solid var(--border-subtle);background:var(--surface-card);width:96px;color:var(--text-secondary);border-radius:12px;flex:none;justify-items:center;gap:6px;min-width:0;padding:10px 8px 8px;display:grid;position:relative;overflow:hidden}.calc-popular__all{width:auto;min-width:0;min-height:28px;color:var(--accent);cursor:pointer;text-underline-offset:2px;white-space:nowrap;background:0 0;border:0;border-radius:0;flex:none;justify-content:center;align-self:center;align-items:center;padding:0 4px;font:700 11px Vazirmatn;text-decoration:underline;display:inline-flex}.calc-popular__all:hover{color:var(--accent-hover)}.calc-popular__icons button>span,.calc-popular__icon{background:var(--surface-soft);width:36px;height:36px;color:var(--text-muted);border-radius:10px;place-items:center;display:grid;position:relative}.calc-popular__icons>button:not(.calc-popular__all) small{text-align:center;text-overflow:ellipsis;white-space:normal;-webkit-line-clamp:2;-webkit-box-orient:vertical;max-width:100%;font:700 11px/1.35 Vazirmatn;display:-webkit-box;overflow:hidden}.calc-popular__icons>button:not(.calc-popular__all).is-on{border-color:color-mix(in srgb,var(--accent) 55%,var(--border-subtle));color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--surface-card))}.calc-popular__icons>button:not(.calc-popular__all).is-on>span,.calc-popular__icons>button:not(.calc-popular__all).is-on .calc-popular__icon{background:color-mix(in srgb,var(--accent) 16%,var(--surface-soft));color:var(--accent)}.calc-popular__icons>button:not(.calc-popular__all).is-locked,.calc-popular__icons>button:not(.calc-popular__all):disabled{opacity:.78;cursor:not-allowed;border-style:dashed}.calc-popular__icons>button:not(.calc-popular__all).is-locked:not(:disabled){cursor:pointer;border-style:dashed}.calc-access-notice{color:var(--text-secondary);justify-items:start;gap:16px;padding:20px;display:grid}.calc-access-notice>svg{color:var(--accent)}.calc-access-notice p{margin:0;line-height:1.9}.calc-popular__icon .calc-lock-badge{background:var(--surface-card);width:16px;height:16px;box-shadow:0 0 0 1px var(--border-subtle);color:var(--accent);border-radius:999px;padding:2px;position:absolute;top:-4px;left:-4px}.calc-popular__icon .calc-star-badge{background:var(--surface-card);width:16px;height:16px;box-shadow:0 0 0 1px var(--border-subtle);color:var(--accent);border-radius:999px;padding:2px;position:absolute;top:-4px;right:-4px}.calc-popular__chips{scrollbar-width:none;gap:6px;display:flex;overflow-x:auto}.calc-popular__chips::-webkit-scrollbar{display:none}.calc-popular__chips button{border:1px solid var(--border-subtle);background:var(--surface-soft);min-height:34px;color:var(--text-secondary);white-space:nowrap;border-radius:999px;flex:none;padding:0 12px;font:700 12px Vazirmatn}.calc-popular__chips button.is-on{background:color-mix(in srgb,var(--accent) 14%,var(--surface-card));border-color:color-mix(in srgb,var(--accent) 40%,var(--border-subtle));color:var(--accent)}.calc-live-strip{border:1px solid var(--border-subtle);background:var(--surface-card);border-radius:14px;margin:0;padding:14px}.calc-live-strip>header{justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;display:flex}.calc-live-strip>header strong{color:var(--text-primary);align-items:center;gap:5px;font-size:13px;display:inline-flex}.calc-live-strip>header strong svg{color:var(--accent);flex-shrink:0}.calc-live-strip>header span{color:var(--text-muted);white-space:nowrap;align-items:center;gap:5px;font-size:11px;display:inline-flex}.calc-live-strip>header i{background:var(--text-muted);border-radius:50%;width:6px;height:6px}.calc-live-strip>header i.is-live{background:var(--success)}.calc-live-strip__rail{min-width:0}.calc-live-strip__grid{flex-wrap:nowrap;align-items:stretch;gap:10px;display:flex}.calc-live-strip__grid article{background:var(--surface-soft);border-radius:10px;flex:none;gap:6px;width:118px;min-width:0;padding:12px;display:grid;overflow:hidden}.calc-live-strip__grid small{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.calc-live-strip__grid bdi{font-variant-numeric:tabular-nums;color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:800;line-height:1.35;display:block;overflow:hidden}.calc-live-strip__grid bdi.is-up{color:var(--success)}.calc-live-strip__grid bdi.is-down{color:var(--danger)}.calc-live-strip__grid article.is-stale{opacity:.7}.h-scroll-rail{grid-template-columns:28px minmax(0,1fr) 28px;align-items:center;gap:4px;min-width:0;display:grid}.h-scroll-rail__track{scroll-behavior:smooth;scrollbar-width:none;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;flex-wrap:nowrap;min-width:0;padding-block:1px;display:flex;overflow:auto hidden}.h-scroll-rail__track::-webkit-scrollbar{display:none}.h-scroll-rail__arrow{border:1px solid var(--border-subtle);background:var(--surface-soft);width:28px;height:28px;color:var(--text-secondary);cursor:pointer;border-radius:9px;flex:none;place-items:center;padding:0;display:grid}.h-scroll-rail__arrow:disabled{opacity:.28;cursor:default}.h-scroll-rail__arrow:not(:disabled):hover{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 35%,var(--border-subtle))}.calc-mode{border:1px solid var(--border-subtle);background:var(--surface-soft);border-radius:999px;flex-shrink:0;gap:3px;padding:3px;display:inline-flex}.calc-mode button{color:var(--text-secondary);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:6px 10px;font:700 11px Vazirmatn}.calc-mode button.is-on{background:var(--surface-card);color:var(--accent);box-shadow:0 2px 6px var(--shadow)}.calc-mode button:disabled{opacity:.4;cursor:not-allowed}.calc-error{color:var(--danger);margin:0;font-size:12px}.calc-app-head{display:none}.professional-calculator{grid-template-areas:"tiles tiles""popular 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