#aquarium-salz-rechner{--salz-primary:#f36014;--salz-primary-dark:#d94f0b;--salz-primary-light:#fff4ed;--salz-primary-border:#ffd7c2;--salz-border:#e5e7eb;--salz-text:#1f2937;--salz-muted:#6b7280;max-width:1050px;margin:30px auto;font-family:Arial,Helvetica,sans-serif;color:var(--salz-text);line-height:1.5}#aquarium-salz-rechner,#aquarium-salz-rechner *{box-sizing:border-box}.salzcalc{background:#fff;border:1px solid var(--salz-border);border-radius:18px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.07)}.salzcalc-head{padding:28px 30px 24px;background:linear-gradient(135deg,#fff4ed 0%,#fff 100%);border-bottom:1px solid var(--salz-border)}.salzcalc-title{margin-bottom:8px;font-size:28px;line-height:1.2;font-weight:800}.salzcalc-subtitle{max-width:850px;color:var(--salz-muted);font-size:16px}.salzcalc-tabs{display:flex;flex-wrap:wrap;gap:8px;padding:20px 30px 0}.salzcalc-tab{margin:0;padding:11px 15px;min-height:44px;border:1px solid var(--salz-border);border-radius:10px;background:#fff;color:var(--salz-text);font-family:inherit;font-size:14px;font-weight:700;text-transform:none;letter-spacing:0;cursor:pointer;box-shadow:none}.salzcalc-tab:hover{border-color:var(--salz-primary);background:var(--salz-primary-light);color:var(--salz-primary)}.salzcalc-tab.active{background:var(--salz-primary);border-color:var(--salz-primary);color:#fff}.salzcalc-body{padding:28px 30px 32px}.salzcalc-panel{display:none}.salzcalc-panel.active{display:block}.salzcalc-panel-title{margin-bottom:6px;font-size:20px;line-height:1.3;font-weight:800}.salzcalc-text{margin-bottom:22px;color:var(--salz-muted);font-size:14px}.salzcalc-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.salzcalc-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.salzcalc-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.salzcalc-field label{display:block;margin-bottom:7px;font-size:14px;font-weight:700}.salzcalc-input{position:relative}.salzcalc-input input{width:100%;height:48px;margin:0;padding:10px 82px 10px 13px;border:1px solid #d1d5db;border-radius:10px;background:#fff;color:var(--salz-text);font-family:inherit;font-size:16px;box-shadow:none;outline:none}.salzcalc-input input:focus{border-color:var(--salz-primary);box-shadow:0 0 0 3px rgba(243,96,20,.12)}.salzcalc-input span{position:absolute;top:50%;right:13px;transform:translateY(-50%);color:var(--salz-muted);font-size:13px;pointer-events:none}.salzcalc-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.salzcalc-button{margin:0;padding:11px 20px;min-height:46px;border:0;border-radius:10px;font-family:inherit;font-size:15px;font-weight:800;text-transform:none;letter-spacing:0;cursor:pointer;box-shadow:none}.salzcalc-primary{background:var(--salz-primary);color:#fff}.salzcalc-primary:hover{background:var(--salz-primary-dark);color:#fff}.salzcalc-secondary{background:#f3f4f6;color:#374151}.salzcalc-secondary:hover{background:#e5e7eb;color:#111827}.salzcalc-error{display:none;margin-top:22px;padding:13px 15px;border:1px solid #fecaca;border-radius:10px;background:#fef2f2;color:#991b1b;font-size:14px;font-weight:600}.salzcalc-results{display:none;margin-top:30px;padding-top:28px;border-top:1px solid var(--salz-border)}.salzcalc-results-title{margin-bottom:18px;font-size:22px;font-weight:800}.salzcalc-result-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:20px}.salzcalc-result-card{padding:16px;border:1px solid var(--salz-primary-border);border-radius:13px;background:var(--salz-primary-light)}.salzcalc-result-label{margin-bottom:4px;color:var(--salz-muted);font-size:12px;font-weight:700}.salzcalc-result-value{color:var(--salz-primary-dark);font-size:21px;line-height:1.25;font-weight:800;word-break:break-word}.salzcalc-details{border:1px solid var(--salz-border);border-radius:12px;overflow:hidden}.salzcalc-detail-row{display:flex;justify-content:space-between;gap:20px;padding:11px 15px;border-bottom:1px solid #f3f4f6;font-size:14px}.salzcalc-detail-row:last-child{border-bottom:0}.salzcalc-detail-row span:first-child{color:var(--salz-muted)}.salzcalc-detail-row span:last-child{font-weight:700;text-align:right}.salzcalc-note{margin-top:20px;padding:16px 18px;border:1px solid var(--salz-border);border-radius:12px;background:#f9fafb;color:var(--salz-muted);font-size:14px}@media (max-width:900px){.salzcalc-grid,.salzcalc-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.salzcalc-result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:600px){.salzcalc-head,.salzcalc-body,.salzcalc-tabs{padding-left:18px;padding-right:18px}.salzcalc-title{font-size:24px}.salzcalc-tab{flex:1 1 100%}.salzcalc-grid,.salzcalc-grid-2,.salzcalc-grid-3,.salzcalc-result-grid{grid-template-columns:1fr}.salzcalc-button{width:100%}.salzcalc-detail-row{flex-direction:column;gap:3px}.salzcalc-detail-row span:last-child{text-align:left}}