:root{--calc-accent:var(--c-orange, #e8530e);--calc-accent-strong:var(--c-orange-h, #c44409);--calc-accent-soft:rgba(232, 83, 14, 0.08);--calc-ink:var(--c-navy, #1e3a5f);--calc-text:var(--c-text, #334155);--calc-muted:var(--c-muted, #64748b);--calc-line:var(--c-border, #e2e8f0);--calc-surface:var(--c-surface, #f8fafc);--calc-surface-alt:#f1f5f9;--calc-cream:#faf6ee;--calc-radius:14px;--calc-pill:999px;--calc-surf-a:var(--c-orange, #e8530e);--calc-surf-b:var(--c-navy, #1e3a5f)}.calc-wizard *{box-sizing:border-box}.calc-wizard{max-width:920px;margin:0 auto 60px;padding:0 20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:var(--calc-ink)}.calc-progress{display:flex;align-items:center;justify-content:center;gap:0;margin:40px auto 48px;max-width:600px}.calc-progress-step{display:flex;align-items:center;gap:0}.calc-progress-dot{border:0;padding:0;font-family:inherit;appearance:none;cursor:pointer;width:36px;height:36px;border-radius:50%;background:var(--calc-line);color:var(--calc-muted);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;z-index:2;flex-shrink:0}.calc-progress-dot.active{background:var(--calc-accent);color:#fff;box-shadow:0 0 0 4px rgba(232,83,14,.15);transform:scale(1.1)}.calc-progress-dot.done{background:#22c55e;color:#fff}.calc-progress-dot.done::after{content:'✓';font-size:16px}.calc-progress-dot.done span{display:none}.calc-progress-line{width:60px;height:3px;background:var(--calc-line);transition:background .4s;flex-shrink:0}.calc-progress-line.done{background:#22c55e}.calc-step{display:none;animation:calcFadeIn .45s cubic-bezier(.4,0,.2,1)}.calc-step.active{display:block}@keyframes calcFadeIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.calc-step-label{text-align:center;text-transform:uppercase;font-size:12px;font-weight:700;letter-spacing:3px;color:var(--calc-accent);margin-bottom:8px}.calc-step-title{text-align:center;font-size:28px;font-weight:300;letter-spacing:1px;color:var(--calc-ink);margin:0 0 40px;line-height:1.3}.calc-roof-options{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:600px;margin:0 auto}.calc-roof-card{background:#f5f5fa;border:2px solid transparent;border-radius:16px;padding:32px 20px 24px;text-align:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative}.calc-roof-card:hover{background:#eeeef6;transform:translateY(-4px);box-shadow:0 12px 32px rgba(232,83,14,.1)}.calc-roof-card.selected{border-color:var(--calc-accent);background:#f0f0ff;box-shadow:0 8px 24px rgba(232,83,14,.15)}.calc-roof-card svg{width:100%;max-width:200px;height:120px;margin-bottom:16px}.calc-roof-card-label{font-size:16px;font-weight:600;color:var(--calc-ink)}.calc-roof-card-desc{font-size:13px;color:var(--calc-muted);margin-top:4px}.calc-measure-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;max-width:860px;margin:0 auto}.calc-measure-hint{margin:14px 0 0;padding:10px 12px;border-left:3px solid var(--calc-accent);background:#fdf6f1;border-radius:0 6px 6px 0;font-size:13px;line-height:1.55;color:var(--calc-text)}.calc-measure-hint strong{color:var(--calc-ink)}.calc-breakdown-waste{margin-top:10px;padding:9px 11px;background:#fdf6f1;border-left:3px solid var(--calc-accent);border-radius:0 6px 6px 0;font-size:12.5px;line-height:1.5;color:var(--calc-text)}.calc-measure-visual{display:flex;justify-content:center;align-items:center;position:sticky;top:24px}.calc-measure-visual svg{width:100%;max-width:380px;height:auto}.calc-roof-area{margin-bottom:28px}.calc-roof-area-title{font-size:15px;font-weight:700;color:var(--calc-ink);margin-bottom:16px}.calc-roof-area-title.color-1{color:var(--calc-surf-a)}.calc-roof-area-title.color-2{color:var(--calc-surf-b)}.calc-dim-inline{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}.calc-dim-inline .dim-letter{font-size:20px;font-weight:800;min-width:20px;text-align:center}.calc-dim-inline .dim-letter.color-1{color:var(--calc-surf-a)}.calc-dim-inline .dim-letter.color-2{color:var(--calc-surf-b)}.calc-dim-inline .dim-x{font-size:18px;font-weight:600;color:var(--calc-muted)}.calc-dim-inline .dim-field{position:relative;display:inline-flex;flex-direction:column;align-items:flex-start}.calc-dim-inline .dim-field input{width:110px;padding:12px 14px;border:2px solid var(--calc-line);border-radius:10px;font-size:17px;font-weight:500;color:var(--calc-ink);background:var(--calc-surface);transition:border-color .25s,box-shadow .25s;outline:0;text-align:center}.calc-dim-inline .dim-field input:focus{border-color:var(--calc-accent);box-shadow:0 0 0 4px rgba(232,83,14,.1);background:#fff}.calc-dim-inline .dim-field input.error{border-color:#ef4444;box-shadow:0 0 0 4px rgba(239,68,68,.1)}.calc-dim-inline .dim-unit{font-size:14px;font-weight:600;color:var(--calc-accent);margin-left:8px;white-space:nowrap}.calc-dim-inline .dim-unit.color-1{color:var(--calc-surf-a)}.calc-dim-inline .dim-unit.color-2{color:var(--calc-surf-b)}.calc-same-check{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--calc-text);cursor:pointer;margin-bottom:14px}.calc-same-check input{width:18px;height:18px;accent-color:var(--calc-accent)}.calc-input-group{position:relative}.calc-input-group label{display:block;font-size:13px;font-weight:600;color:var(--calc-text);margin-bottom:6px;text-transform:uppercase;letter-spacing:1px}.calc-input-group input{width:100%;padding:14px 50px 14px 16px;border:2px solid var(--calc-line);border-radius:12px;font-size:18px;font-weight:500;color:var(--calc-ink);background:var(--calc-surface);transition:border-color .25s,box-shadow .25s;outline:0}.calc-input-group input:focus{border-color:var(--calc-accent);box-shadow:0 0 0 4px rgba(232,83,14,.1);background:#fff}.calc-input-group .calc-unit{position:absolute;right:16px;bottom:14px;font-size:14px;color:var(--calc-muted);font-weight:600;pointer-events:none}.calc-input-group input.error{border-color:#ef4444;box-shadow:0 0 0 4px rgba(239,68,68,.1)}.calc-error-inline{color:#ef4444;font-size:12px;font-weight:600;margin-top:2px;display:none}.calc-error-inline.show{display:block}.calc-preview{margin-top:32px;padding:28px 24px 24px;background:var(--calc-surface);border:1px solid var(--calc-line);border-radius:16px;max-width:860px;animation:calcFadeIn .4s ease}.calc-preview-label{text-align:center;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--calc-muted);margin-bottom:16px}.calc-preview-svg{display:flex;justify-content:center}.calc-preview-svg svg{width:100%;max-width:520px;height:auto}.calc-preview-svg text{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}@media (max-width:768px){.calc-preview-svg svg{max-width:340px}.calc-preview{padding:20px 16px 16px}}.calc-panel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;max-width:700px;margin:0 auto}.calc-panel-card{background:var(--calc-surface);border:2px solid var(--calc-line);border-radius:14px;padding:24px 16px 20px;text-align:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1)}.calc-panel-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.08);border-color:#c8c8d8}.calc-panel-card.selected{border-color:var(--calc-accent);background:#f0f0ff;box-shadow:0 6px 20px rgba(232,83,14,.12)}.calc-panel-card .panel-icon{width:64px;height:48px;margin:0 auto 12px}.calc-panel-card .panel-icon svg{width:100%;height:100%;display:block}.calc-panel-card .panel-name{font-size:15px;font-weight:600;color:var(--calc-ink);margin-bottom:4px}.calc-panel-card .panel-spec{font-size:12px;color:var(--calc-muted);line-height:1.4}.calc-panel-card .panel-spec strong{color:var(--calc-text)}.calc-mount-options{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;max-width:600px;margin:0 auto 28px}.calc-mount-card{background:var(--calc-surface);border:2px solid var(--calc-line);border-radius:14px;padding:24px 16px;text-align:center;cursor:pointer;transition:all .3s}.calc-mount-card:hover{border-color:#c8c8d8;transform:translateY(-2px)}.calc-mount-card.selected{border-color:var(--calc-accent);background:#f0f0ff}.calc-mount-card svg{width:48px;height:48px;margin-bottom:10px}.calc-mount-card .mount-name{font-size:14px;font-weight:600;color:var(--calc-ink)}.calc-mount-card .mount-desc{font-size:12px;color:var(--calc-muted);margin-top:4px}.calc-mount-advice{display:flex;align-items:flex-start;gap:10px;max-width:600px;margin:20px auto 0;padding:16px 20px;background:#eef2ff;border:1px solid #c7d2fe;border-radius:12px;font-size:14px;color:var(--calc-accent);line-height:1.5;animation:calcFadeIn .35s ease}.calc-spacing-section{max-width:400px;margin:0 auto}.calc-spacing-visual{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:24px;padding:20px;background:var(--calc-surface);border-radius:14px;border:1px solid #eee}.calc-spacing-visual svg{width:200px;height:80px}.calc-nav{display:flex;justify-content:space-between;align-items:center;margin-top:40px;max-width:600px;margin-left:auto;margin-right:auto}.calc-btn{padding:14px 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solid #fde68a;border-radius:12px}.calc-results-note strong{color:#92400e}.calc-share-section{margin-top:28px;padding:24px;background:var(--calc-surface);border:1px solid var(--calc-line);border-radius:16px}.calc-share-loading{text-align:center;color:var(--calc-muted);font-size:13px}.calc-share-link-row{margin-bottom:16px}.calc-share-link-label{font-size:13px;font-weight:600;color:var(--calc-text);margin-bottom:8px;text-transform:uppercase;letter-spacing:1px}.calc-share-link-box{display:flex;gap:0;border-radius:10px;overflow:hidden;border:2px solid var(--calc-line)}.calc-share-link-box input{flex:1;padding:12px 14px;border:none;font-size:14px;color:var(--calc-accent);background:#fff;outline:0;min-width:0}.calc-share-copy{padding:12px 20px;background:var(--calc-accent);color:#fff;border:none;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s}.calc-share-copy:hover{background:var(--calc-accent-strong)}.calc-share-account{display:flex;align-items:flex-start;gap:10px;padding:14px 16px;border-radius:10px;font-size:14px;line-height:1.5}.calc-share-account svg{flex-shrink:0;margin-top:2px}.calc-share-saved{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}.calc-share-login{background:#eef2ff;border:1px solid #c7d2fe;color:var(--calc-ink)}.calc-share-login a{color:var(--calc-accent);font-weight:600;text-decoration:underline}.calc-contact-cta{margin-top:28px;padding:28px 24px;background:linear-gradient(135deg,#f0fdf4 0,#ecfdf5 50%,#f0f9ff 100%);border:1px solid #bbf7d0;border-radius:16px;text-align:center}.calc-contact-cta-title{font-size:17px;font-weight:700;color:var(--calc-ink);margin-bottom:4px}.calc-contact-cta-sub{font-size:14px;color:var(--calc-text);margin-bottom:18px}.calc-contact-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.calc-contact-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:14px;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .15s;border:none;cursor:pointer}.calc-contact-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.12)}.calc-contact-btn--wa{background:#25d366;color:#fff}.calc-contact-btn--wa:hover{background:#1ebe5d}.calc-contact-btn--phone{background:var(--calc-accent);color:#fff}.calc-contact-btn--phone:hover{background:var(--calc-accent-strong)}.calc-contact-btn svg{flex-shrink:0}@media 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#fed7aa;border-radius:4px;background:#fff7ed;color:#c2410c;font-size:10px;font-weight:700;vertical-align:middle}.calc-proposal-header{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px}.calc-proposal-header img{width:60px;height:60px;object-fit:contain;border-radius:6px;background:#f8f9fa}.calc-proposal-label{font-size:16px;font-weight:700;margin:0}.calc-proposal-specs{font-size:12px;color:var(--calc-muted);margin-top:2px}.calc-proposal-bom{margin:0;padding:0;list-style:none}.calc-proposal-bom li{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--calc-surface-alt);font-size:13px}.calc-proposal-bom li:last-child{border-bottom:none}.calc-proposal-bom .bom-name{color:var(--calc-text)}.calc-proposal-bom .bom-price{font-weight:600;white-space:nowrap}.calc-proposal-bom .bom-acc-alt{display:block;padding:10px 12px!important;margin:6px 0;background:linear-gradient(180deg,var(--calc-surface) 0,#f3f5fc 100%);border:1px solid var(--calc-line);border-radius:10px;border-bottom:1px solid var(--calc-line)!important}.calc-proposal-bom .bom-acc-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.calc-proposal-bom .bom-acc-type-label{font-size:10px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--calc-accent);background:rgba(232,83,14,.09);padding:4px 10px;border-radius:12px;white-space:nowrap;flex-shrink:0}.calc-proposal-bom .bom-acc-select-wrap{flex:1 1 180px;position:relative;min-width:160px}.calc-proposal-bom .bom-acc-select-wrap::after{content:'';position:absolute;right:14px;top:50%;width:8px;height:8px;border-right:2px solid #6b7285;border-bottom:2px solid #6b7285;transform:translateY(-70%) rotate(45deg);pointer-events:none;transition:border-color .15s}.calc-proposal-bom .bom-acc-select-wrap:hover::after{border-color:var(--calc-accent)}.calc-proposal-bom .bom-acc-select{width:100%;font-size:13px;font-weight:500;padding:9px 34px 9px 12px;border:1px solid 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