.tools-main .tools-hero{background:var(--tools-card-bg);padding:0;overflow:visible;margin-top:0}.tools-hero.calc-hero{position:relative;padding:4rem 1.5rem 3rem;background:transparent;overflow:hidden}.calc-hero .tools-hero__bg{position:absolute;inset:0;z-index:0}.calc-hero .tools-hero__gradient{background:linear-gradient(160deg,#0f172a 0,#1e293b 30%,#1a2744 60%,#172554 100%) !important}body.dark-theme .calc-hero .tools-hero__gradient{background:linear-gradient(160deg,#030712 0,#0f172a 40%,#111827 100%) !important}.calc-hero .tools-hero__mesh{position:absolute;inset:0;background-image:radial-gradient(ellipse 600px 400px at 20% 40%,rgba(59,130,246,.15) 0,transparent 70%),radial-gradient(ellipse 500px 350px at 75% 60%,rgba(139,92,246,.12) 0,transparent 70%),radial-gradient(ellipse 300px 300px at 50% 20%,rgba(6,182,212,.08) 0,transparent 60%);animation:heroMeshFloat 12s ease-in-out infinite alternate;transition:transform .15s ease-out}@keyframes heroMeshFloat{0%{transform:translate(0,0) scale(1)}50%{transform:translate(10px,-5px) scale(1.02)}100%{transform:translate(-5px,5px) scale(0.98)}}.calc-hero .tools-hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);transition:transform .1s ease-out}.calc-hero .tools-hero__glow{position:absolute;width:300px;height:300px;border-radius:50%;filter:blur(80px);opacity:.35;pointer-events:none;transition:transform .2s ease-out}.calc-hero .tools-hero__glow--1{top:-80px;left:10%;background:#3b82f6;animation:glowPulse1 6s ease-in-out infinite}.calc-hero .tools-hero__glow--2{bottom:-60px;right:15%;background:#8b5cf6;width:240px;height:240px;animation:glowPulse2 8s ease-in-out infinite}.calc-hero .tools-hero__glow--3{top:40%;right:5%;background:#06b6d4;width:180px;height:180px;animation:glowPulse3 7s ease-in-out infinite}@keyframes glowPulse1{0%,100%{opacity:.3;transform:translate(0,0) scale(1)}50%{opacity:.5;transform:translate(20px,10px) scale(1.15)}}@keyframes glowPulse2{0%,100%{opacity:.25;transform:translate(0,0) scale(1)}50%{opacity:.45;transform:translate(-15px,-10px) scale(1.1)}}@keyframes glowPulse3{0%,100%{opacity:.2;transform:scale(1)}50%{opacity:.35;transform:scale(1.2)}}.calc-hero .hero-float-icons{position:absolute;inset:0;pointer-events:none;overflow:hidden;transition:transform .15s ease-out}.calc-hero .hero-float-icon{position:absolute;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;opacity:.18;backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.08);color:rgba(255,255,255,.7);background:rgba(255,255,255,.05);transition:transform .3s ease-out,opacity .3s}.calc-hero:hover .hero-float-icon{opacity:.25}.calc-hero .hero-float-icon:nth-child(1){top:18%;left:8%;animation:floatIcon 8s ease-in-out infinite}.calc-hero .hero-float-icon:nth-child(2){top:55%;left:5%;animation:floatIcon 10s ease-in-out 1s infinite}.calc-hero .hero-float-icon:nth-child(3){top:25%;right:6%;animation:floatIcon 9s ease-in-out 2s infinite}.calc-hero .hero-float-icon:nth-child(4){bottom:20%;right:12%;animation:floatIcon 7s ease-in-out .5s infinite}.calc-hero .hero-float-icon:nth-child(5){top:70%;left:20%;animation:floatIcon 11s ease-in-out 3s infinite}.calc-hero .hero-float-icon:nth-child(6){top:12%;right:22%;animation:floatIcon 9.5s ease-in-out 1.5s infinite}@keyframes floatIcon{0%,100%{transform:translateY(0) rotate(0)}25%{transform:translateY(-12px) rotate(5deg)}50%{transform:translateY(4px) rotate(-3deg)}75%{transform:translateY(-8px) rotate(2deg)}}.calc-hero .tools-hero__content{position:relative;z-index:2;max-width:720px;margin:0 auto;text-align:center}.calc-hero .tools-hero__badge{display:inline-flex;align-items:center;gap:6px;padding:7px 18px;border-radius:100px;font-size:.75rem;font-weight:700;letter-spacing:.03em;background:rgba(59,130,246,.2);color:#93c5fd;border:1px solid rgba(59,130,246,.25);backdrop-filter:blur(8px);animation:badgeReveal .6s var(--tools-ease) both}.calc-hero .tools-hero__badge i{font-size:.85rem;color:#fbbf24}@keyframes badgeReveal{from{opacity:0;transform:translateY(12px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.calc-hero .tools-hero__headline{font-size:clamp(1.8rem,4.5vw,2.8rem);font-weight:800;color:#f1f5f9;margin:16px 0 12px;line-height:1.15;letter-spacing:-.025em;animation:headlineReveal .7s var(--tools-ease) .15s both}.calc-hero .tools-hero__highlight{background:linear-gradient(135deg,#60a5fa,#a78bfa,#38bdf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@keyframes headlineReveal{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.calc-hero .tools-hero__subtext{font-size:1rem;color:#94a3b8;line-height:1.6;max-width:540px;margin:0 auto 20px;animation:subtextReveal .7s var(--tools-ease) .3s both}@keyframes subtextReveal{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.calc-hero .tools-hero__cta{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:100px;font-size:.92rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#3b82f6,#8b5cf6);text-decoration:none;box-shadow:0 4px 20px rgba(59,130,246,.35);transition:all .35s var(--tools-ease);animation:ctaReveal .7s var(--tools-ease) .45s both}.calc-hero .tools-hero__cta:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(59,130,246,.45)}.calc-hero .tools-hero__cta-arrow{display:inline-flex;animation:ctaArrowBounce 2s ease-in-out infinite}@keyframes ctaReveal{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes ctaArrowBounce{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}.calc-hero .tools-hero__stats{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:28px;animation:statsReveal .7s var(--tools-ease) .6s both}@keyframes statsReveal{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.calc-hero .tools-hero__stat{text-align:center}.calc-hero .tools-hero__stat-number{display:block;font-size:1.05rem;font-weight:800;color:#e2e8f0;letter-spacing:-.01em}.calc-hero .tools-hero__stat-label{display:block;font-size:.72rem;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:.05em;margin-top:2px}.calc-widget{background:var(--tools-card-bg);border:1px solid var(--tools-card-border);border-radius:var(--tools-radius);padding:32px 28px;box-shadow:var(--tools-card-shadow);position:relative;transition:box-shadow .4s var(--tools-ease),border-color .3s;animation:widgetReveal .6s var(--tools-ease) both}.calc-widget::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--tools-primary-gradient);border-radius:var(--tools-radius) var(--tools-radius) 0 0;z-index:1}.calc-widget:hover{box-shadow:var(--tools-card-shadow-hover);border-color:rgba(var(--tools-primary-rgb),.15)}@keyframes widgetReveal{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.calc-widget-header{display:flex;align-items:center;gap:12px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--tools-border)}.calc-widget-header i{font-size:1.3rem;color:var(--tools-primary);width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:var(--tools-primary-light);flex-shrink:0}.calc-widget-header h2{font-size:1.1rem;font-weight:800;color:var(--tools-text);margin:0;letter-spacing:-.01em}.gst-type-toggle{display:flex;background:var(--tools-input-bg);border:2px solid var(--tools-input-border);border-radius:var(--tools-radius-sm);overflow:hidden;width:100%;position:relative}.gst-type-toggle label{flex:1;padding:13px 16px;text-align:center;cursor:pointer;font-size:.875rem;font-weight:600;color:var(--tools-text-secondary);transition:all .35s var(--tools-ease);display:flex;align-items:center;justify-content:center;gap:8px;margin:0;position:relative;z-index:1}.gst-type-toggle input[type="radio"]{display:none}.gst-type-toggle input[type="radio"]:checked+label{background:linear-gradient(135deg,var(--tools-primary),#6c5ce7);color:#fff;box-shadow:inset 0 -2px 0 rgba(0,0,0,.15),0 2px 12px rgba(var(--tools-primary-rgb),.35)}.gst-supply-toggle{display:flex;gap:12px;margin-bottom:8px}.gst-supply-toggle label{flex:1;padding:16px;border:2px solid var(--tools-input-border);border-radius:var(--tools-radius-sm);text-align:center;cursor:pointer;font-size:.85rem;font-weight:600;color:var(--tools-text-secondary);transition:all .35s var(--tools-ease);display:block;margin:0;position:relative;overflow:hidden}.gst-supply-toggle label::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(var(--tools-primary-rgb),.05),rgba(var(--tools-primary-rgb),.1));opacity:0;transition:opacity .35s}.gst-supply-toggle input[type="radio"]{display:none}.gst-supply-toggle input[type="radio"]:checked+label{border-color:var(--tools-primary);background:var(--tools-primary-light);color:var(--tools-primary);box-shadow:0 2px 14px rgba(var(--tools-primary-rgb),.15);transform:translateY(-1px)}.gst-supply-toggle input[type="radio"]:checked+label::before{opacity:1}.gst-supply-toggle label .toggle-subtitle{display:block;font-size:.73rem;font-weight:500;color:var(--tools-text-muted);margin-top:4px}.gst-supply-toggle input[type="radio"]:checked+label .toggle-subtitle{color:var(--tools-primary);opacity:.8}.rate-btn-group{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.rate-btn{padding:9px 20px;border:2px solid var(--tools-input-border);border-radius:100px;background:var(--tools-card-bg);color:var(--tools-text-secondary);font-size:.8rem;font-weight:700;cursor:pointer;transition:all .3s var(--tools-ease);font-family:inherit;position:relative;overflow:hidden;isolation:isolate}.rate-btn::before{content:'';position:absolute;inset:0;background:var(--tools-primary-gradient);transform:scale(0);border-radius:100px;transition:transform .35s var(--tools-ease);z-index:-1}.rate-btn:hover{border-color:var(--tools-primary);color:var(--tools-primary);transform:translateY(-2px);box-shadow:0 4px 12px rgba(var(--tools-primary-rgb),.12)}.rate-btn.active{border-color:var(--tools-primary);color:#fff;box-shadow:0 4px 14px rgba(var(--tools-primary-rgb),.35)}.rate-btn.active::before{transform:scale(1)}.calc-btn{width:100%;padding:16px 28px;border:0;border-radius:var(--tools-radius-sm);background:var(--tools-primary-gradient);color:#fff;font-size:1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:all .35s var(--tools-ease);font-family:inherit;box-shadow:0 4px 16px rgba(var(--tools-primary-rgb),.3);position:relative;overflow:hidden;margin-top:24px}.calc-btn::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,.12) 50%,transparent 60%);transform:translateX(-100%);transition:transform .6s}.calc-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(var(--tools-primary-rgb),.4)}.calc-btn:hover::after{transform:translateX(100%)}.calc-btn:active{transform:translateY(0);box-shadow:0 2px 8px rgba(var(--tools-primary-rgb),.3)}.calc-btn.loading{pointer-events:none;opacity:.8}.calc-btn.loading i::before{content:'\eb78';animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.calc-form-group{margin-bottom:18px;position:relative}.calc-form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.calc-label{display:flex;align-items:center;gap:6px;font-size:.84rem;font-weight:700;color:var(--tools-text);margin-bottom:8px;letter-spacing:-.005em}.calc-hint{display:block;font-size:.75rem;color:var(--tools-text-muted);margin-top:6px;line-height:1.4}.calc-input{width:100%;padding:13px 16px;border:2px solid var(--tools-input-border);border-radius:var(--tools-radius-xs);background:var(--tools-input-bg);font-size:.92rem;font-weight:600;color:var(--tools-text);transition:all .25s var(--tools-ease);font-family:inherit;box-sizing:border-box}.calc-input:hover{border-color:rgba(var(--tools-primary-rgb),.3)}.calc-input:focus{border-color:var(--tools-primary);box-shadow:0 0 0 3px rgba(var(--tools-primary-rgb),.1);outline:0;background:var(--tools-card-bg)}.calc-input::placeholder{color:var(--tools-text-muted);font-weight:500}.calc-select{width:100%;padding:13px 16px;border:2px solid var(--tools-input-border);border-radius:var(--tools-radius-xs);background:var(--tools-input-bg);font-size:.88rem;font-weight:600;color:var(--tools-text);cursor:pointer;transition:all .3s var(--tools-ease);font-family:inherit;box-sizing:border-box;appearance:none;background-image:url("data:image/svg+xml,%3Csvgxmlns='http://www.w3.org/2000/svg'width='12'height='12'viewBox='001212'%3E%3Cpathfill='%239aa0a6'd='M68L13h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}.calc-select:focus{border-color:var(--tools-primary);box-shadow:0 0 0 4px rgba(var(--tools-primary-rgb),.1);outline:0}.field-tooltip{position:relative;display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:var(--tools-input-bg);border:1px solid var(--tools-border);color:var(--tools-text-muted);font-size:.65rem;cursor:help;flex-shrink:0;transition:background .2s,border-color .2s,color .2s}.field-tooltip:hover{background:var(--tools-primary);border-color:var(--tools-primary);color:#fff}.field-tooltip .tooltip-text{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%);background:rgba(15,23,42,.97);color:#e2e8f0;padding:10px 14px;border-radius:10px;font-size:.78rem;font-weight:500;line-height:1.55;width:max-content;max-width:min(280px,calc(100vw - 32px));white-space:normal;pointer-events:none;opacity:0;visibility:hidden;transition:opacity .15s,visibility .15s;z-index:999999;box-shadow:0 8px 32px rgba(0,0,0,.35),0 2px 8px rgba(0,0,0,.2);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.08)}.field-tooltip .tooltip-text::after{content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);border:6px solid transparent;border-top-color:rgba(15,23,42,.95)}.field-tooltip:hover .tooltip-text{opacity:1;visibility:visible}.field-tooltip .tooltip-text strong,.result-insight strong{margin:0 .15em}.calc-result{background:var(--tools-card-bg);border:1px solid var(--tools-card-border);border-radius:var(--tools-radius);overflow:hidden;margin-top:24px;box-shadow:var(--tools-card-shadow);display:none;animation:resultReveal .5s var(--tools-ease) both}.calc-result.visible{display:block}@keyframes resultReveal{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.calc-result-header{display:flex;align-items:center;gap:14px;padding:20px 24px;background:linear-gradient(135deg,rgba(var(--tools-primary-rgb),.04),rgba(var(--tools-primary-rgb),.08));border-bottom:1px solid rgba(var(--tools-primary-rgb),.1)}.calc-result-icon{width:44px;height:44px;border-radius:12px;background:var(--tools-primary-light);color:var(--tools-primary);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}.calc-result-header h3{font-size:1rem;font-weight:700;color:var(--tools-text);margin:0}.calc-result-timestamp{font-size:.75rem;color:var(--tools-text-muted);display:block;margin-top:2px}.calc-result-body{padding:24px}.result-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:24px}.result-card{border-radius:var(--tools-radius-sm);padding:20px 16px;text-align:center;position:relative;overflow:hidden;transition:all .3s var(--tools-ease);border:1px solid var(--tools-card-border);background:var(--tools-bg)}.result-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:3px 3px 0 0}.result-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.07)}.result-card-icon{width:40px;height:40px;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:1.1rem}.result-card-label{font-size:.75rem;font-weight:600;color:var(--tools-text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}.result-card-value{font-size:1.35rem;font-weight:800;color:var(--tools-text);font-family:var(--tools-font-display);letter-spacing:-.02em;line-height:1.2}.result-card-sub{font-size:.73rem;color:var(--tools-text-muted);margin-top:4px;font-weight:600}.result-card.highlight::before{background:var(--tools-primary-gradient)}.result-card.highlight .result-card-icon{background:var(--tools-primary-light);color:var(--tools-primary)}.result-card.success::before{background:linear-gradient(135deg,#16a34a,#22c55e)}.result-card.success .result-card-icon{background:var(--tools-success-light);color:var(--tools-success)}.result-card.success .result-card-value{color:var(--tools-success)}.result-card.warning::before{background:linear-gradient(135deg,#d97706,#cc9000)}.result-card.warning .result-card-icon{background:var(--tools-warning-light);color:#d97706}.result-card.danger::before{background:linear-gradient(135deg,#dc2626,#ef4444)}.result-card.danger .result-card-icon{background:var(--tools-danger-light);color:var(--tools-danger)}.result-card.danger .result-card-value{color:var(--tools-danger)}.result-details{background:var(--tools-bg);border-radius:var(--tools-radius-sm);border:1px solid var(--tools-border);overflow:hidden;margin:18px 0}.result-details-header{display:flex;align-items:center;gap:8px;padding:14px 20px;font-size:.88rem;font-weight:700;color:var(--tools-text);background:var(--tools-card-bg);border-bottom:1px solid var(--tools-border)}.result-details-header i{color:var(--tools-primary);font-size:1.05rem}.result-detail-row{display:flex;justify-content:space-between;align-items:center;padding:11px 20px;font-size:.87rem;border-bottom:1px solid rgba(0,0,0,.04);transition:background .2s}.result-detail-row:last-child{border-bottom:0}.result-detail-row:hover{background:rgba(var(--tools-primary-rgb),.03)}.result-detail-row .detail-label{color:var(--tools-text-secondary);font-weight:500}.result-detail-row .detail-value{font-weight:700;color:var(--tools-text);text-align:right}.result-detail-row.total-row{background:var(--tools-card-bg);border-top:2px solid var(--tools-primary);border-bottom:0;padding:14px 20px}.result-detail-row.total-row .detail-label{font-weight:700;color:var(--tools-text)}.result-detail-row.total-row .detail-value{color:var(--tools-primary);font-size:1.05rem;font-weight:800}body.dark-theme .result-detail-row{border-bottom-color:rgba(255,255,255,.05)}.result-insight{display:flex;gap:14px;padding:18px 22px;border-radius:var(--tools-radius-sm);margin:18px 0;font-size:.88rem;line-height:1.65;position:relative;overflow:hidden;animation:insightSlide .4s var(--tools-ease) both}.result-insight::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:4px 0 0 4px}.result-insight i{flex-shrink:0;font-size:1.2rem;margin-top:1px}.insight-tip{background:linear-gradient(135deg,rgba(26,115,232,.04),rgba(26,115,232,.1));border:1px solid rgba(26,115,232,.15);color:var(--tools-text)}.insight-tip::before{background:var(--tools-primary)}.insight-tip i{color:var(--tools-primary)}.insight-save{background:linear-gradient(135deg,rgba(22,163,74,.04),rgba(22,163,74,.1));border:1px solid rgba(22,163,74,.15);color:var(--tools-text)}.insight-save::before{background:#16a34a}.insight-save i{color:#16a34a}.insight-warn{background:linear-gradient(135deg,rgba(234,67,53,.04),rgba(234,67,53,.1));border:1px solid rgba(234,67,53,.15);color:var(--tools-text)}.insight-warn::before{background:var(--tools-danger)}.insight-warn i{color:var(--tools-danger)}@keyframes 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