.calc-hero{padding:4rem 0 2rem;text-align:center;position:relative}.calc-hero:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:600px;height:400px;background:radial-gradient(ellipse,rgba(245,158,11,.08) 0%,transparent 70%);pointer-events:none}.calc-hero h1{font-size:2.8rem;font-weight:900;margin-bottom:.75rem;background:linear-gradient(135deg,#f8fafc,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.calc-subtitle{font-size:1.15rem;color:var(--text-muted)}.progress-bar{display:flex;align-items:center;justify-content:center;gap:0;max-width:520px;margin:0 auto 2.5rem}.progress-step{display:flex;flex-direction:column;align-items:center;gap:4px;flex-shrink:0;cursor:pointer;user-select:none;-webkit-user-select:none}.progress-step:hover .progress-num{border-color:var(--accent)}.progress-step:hover .progress-label{color:var(--text-muted)}.progress-num{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:13px;font-weight:700;background:var(--bg-card);border:2px solid var(--border);color:var(--text-faint);transition:all .3s}.progress-step.active .progress-num,.progress-step.done .progress-num{background:var(--accent);border-color:var(--accent);color:#000}.progress-label{font-family:var(--font-display);font-size:11px;font-weight:600;color:var(--text-faint);text-transform:uppercase;letter-spacing:.5px;transition:color .3s}.progress-step.active .progress-label{color:var(--accent)}.progress-step.done .progress-label{color:var(--text-muted)}.progress-line{flex:1;height:2px;background:var(--border);margin:0 8px 18px;border-radius:1px;overflow:hidden}.progress-fill{height:100%;width:0%;background:var(--accent);transition:width .4s ease}.progress-fill.filled{width:100%}.calc-step{display:none;animation:fadeIn .3s ease}.calc-step.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.step-title{font-size:1.5rem;font-weight:800;margin-bottom:.5rem;border:none;padding:0;margin-top:0}.step-desc{color:var(--text-muted);font-size:.95rem;margin-bottom:1.5rem}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.scenario-card{background:var(--bg-elevated);border:2px solid var(--border-hover);border-radius:12px;padding:28px 20px 24px;text-align:center;cursor:pointer;transition:all .2s ease;user-select:none;-webkit-user-select:none}.scenario-card:hover{border-color:var(--accent);background:#f59e0b14;transform:translateY(-3px);box-shadow:0 8px 24px #f59e0b1f,0 0 0 1px #f59e0b26}.scenario-card:hover .scenario-name{color:var(--accent)}.scenario-card:active{transform:translateY(0);box-shadow:none}.scenario-card.selected{border-color:var(--accent);background:#f59e0b1a;box-shadow:0 0 0 1px #f59e0b33}.scenario-card.selected .scenario-name{color:var(--accent)}.scenario-icon{font-size:2.4rem;margin-bottom:10px;display:block}.scenario-name{font-family:var(--font-display);font-size:1rem;font-weight:800;color:var(--heading);transition:color .2s}.scenario-hint{font-size:.75rem;color:var(--text-faint);margin-top:4px;line-height:1.4}.devices-controls{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap}.add-device-wrap{flex:1;min-width:200px}.calc-select{width:100%;padding:10px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--font-display);font-size:.85rem;font-weight:500;cursor:pointer;appearance:auto}.calc-select:focus{outline:none;border-color:var(--accent)}.calc-select-sm{width:auto;min-width:120px}.calc-input{padding:10px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--font-display);font-size:.85rem;font-weight:500}.calc-input:focus{outline:none;border-color:var(--accent)}.calc-input-sm{width:100px}.custom-form{display:flex;gap:8px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.custom-form.hidden{display:none}.btn-primary{padding:10px 24px;background:var(--accent-gradient);color:#000;font-family:var(--font-display);font-size:.85rem;font-weight:700;border:none;border-radius:8px;cursor:pointer;transition:opacity .2s}.btn-primary:hover{opacity:.9}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{padding:10px 24px;background:var(--bg-card);color:var(--text);font-family:var(--font-display);font-size:.85rem;font-weight:600;border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:all .2s}.btn-secondary:hover{background:var(--bg-elevated);border-color:var(--border-hover)}.btn-ghost{padding:10px 16px;background:none;color:var(--text-muted);font-family:var(--font-display);font-size:.85rem;font-weight:600;border:none;cursor:pointer}.btn-ghost:hover{color:var(--text)}.btn-sm{padding:8px 16px;font-size:.8rem}.device-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.device-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:14px 18px;display:flex;align-items:center;gap:14px;transition:border-color .2s}.device-card:hover{border-color:var(--border-hover)}.device-emoji{font-size:1.4rem;flex-shrink:0;width:36px;text-align:center}.device-info{flex:1;min-width:0}.device-name{font-family:var(--font-display);font-size:.9rem;font-weight:700;color:var(--heading)}.device-watts{font-size:.75rem;color:var(--text-faint);font-family:var(--font-display)}.device-inputs{display:flex;align-items:center;gap:10px;flex-shrink:0}.device-input-group{display:flex;flex-direction:column;align-items:center;gap:2px}.device-input-label{font-family:var(--font-display);font-size:10px;font-weight:600;color:var(--text-faint);text-transform:uppercase;letter-spacing:.5px}.device-input{width:60px;padding:6px 8px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:var(--font-display);font-size:.85rem;font-weight:600;text-align:center}.device-input:focus{outline:none;border-color:var(--accent)}.device-remove{background:none;border:none;color:var(--text-faint);font-size:1.2rem;cursor:pointer;padding:4px 8px;border-radius:6px;transition:all .2s;flex-shrink:0}.device-remove:hover{color:var(--accent-red);background:#ef44441a}.days-row{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding:14px 18px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px}.days-label{font-family:var(--font-display);font-size:.85rem;font-weight:600;color:var(--text-muted)}.running-total{padding:14px 18px;background:#f59e0b0f;border:1px solid rgba(245,158,11,.15);border-radius:10px;font-family:var(--font-display);font-size:.9rem;font-weight:600;color:var(--accent);text-align:center}.results-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.result-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px;text-align:center}.result-card-label{font-family:var(--font-display);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-faint);margin-bottom:6px}.result-card-value{font-family:var(--font-display);font-size:1.8rem;font-weight:900;color:var(--heading);line-height:1.2}.result-card-unit{font-size:.85rem;font-weight:600;color:var(--text-muted)}.result-card.warn{border-color:#ef44444d;background:#ef44440a}.result-card.warn .result-card-value{color:var(--accent-red)}.result-card.ok{border-color:#22c55e4d}.battery-gauge-wrap{margin-bottom:24px}.battery-gauge{background:var(--bg-card);border:2px solid var(--border);border-radius:10px;height:48px;position:relative;overflow:hidden}.battery-fill{height:100%;background:linear-gradient(90deg,var(--accent-red),var(--accent),var(--green));border-radius:8px;transition:width 1s ease;width:0%}.battery-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:.85rem;font-weight:700;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.5)}.math-breakdown{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:16px 20px;margin-bottom:16px}.math-breakdown summary{font-family:var(--font-display);font-size:.85rem;font-weight:700;color:var(--text-muted);cursor:pointer;list-style:none}.math-breakdown summary::-webkit-details-marker{display:none}.math-breakdown summary:before{content:"▸ ";color:var(--accent)}.math-breakdown[open] summary:before{content:"▾ "}.math-table{width:100%;margin-top:12px;font-size:.8rem}.math-table th{background:var(--bg-elevated);font-size:.7rem;padding:8px 12px}.math-table td{padding:6px 12px;font-family:var(--font-display);font-size:.8rem}.math-table .math-total td{border-top:2px solid var(--accent);font-weight:700;color:var(--heading)}.efficiency-note{font-size:.8rem;color:var(--text-faint);padding:14px 18px;background:var(--bg-surface);border-radius:8px;border:1px solid var(--border);line-height:1.6}.efficiency-note strong{color:var(--text-muted)}.budget-filters{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}.budget-pill{padding:6px 16px;border-radius:100px;font-family:var(--font-display);font-size:.8rem;font-weight:600;border:1px solid var(--border);background:var(--bg-card);color:var(--text-muted);cursor:pointer;transition:all .2s}.budget-pill:hover{border-color:var(--border-hover);color:var(--text)}.budget-pill.active{background:#f59e0b1a;border-color:#f59e0b4d;color:var(--accent)}.recs-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;margin-bottom:16px}.rec-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:14px;transition:all .25s ease}.rec-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}.rec-badge{display:inline-flex;align-self:flex-start;padding:4px 12px;border-radius:100px;font-family:var(--font-display);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.rec-badge.best-match{background:#22c55e1f;color:#22c55e;border:1px solid rgba(34,197,94,.2)}.rec-badge.best-value{background:#f59e0b1f;color:#f59e0b;border:1px solid rgba(245,158,11,.2)}.rec-badge.best-premium{background:#a855f71f;color:#a855f7;border:1px solid rgba(168,85,247,.2)}.rec-name{font-family:var(--font-display);font-size:1.15rem;font-weight:800;color:var(--heading)}.rec-specs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.rec-spec{font-family:var(--font-display);font-size:.75rem;color:var(--text-muted)}.rec-spec strong{display:block;font-size:.9rem;color:var(--heading)}.rec-price{font-family:var(--font-display);font-size:1.4rem;font-weight:900;color:var(--accent)}.rec-badges{display:flex;gap:8px;flex-wrap:wrap}.compat-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:4px;font-family:var(--font-display);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.3px}.compat-green{background:#22c55e1f;color:#22c55e;border:1px solid rgba(34,197,94,.2)}.compat-yellow{background:#f59e0b1f;color:#f59e0b;border:1px solid rgba(245,158,11,.2)}.compat-red{background:#ef44441f;color:#ef4444;border:1px solid rgba(239,68,68,.2)}.rec-actions{display:flex;flex-direction:column;gap:8px;margin-top:auto}.rec-cta{display:block;text-align:center;padding:12px 20px;background:var(--accent-gradient);color:#000;font-family:var(--font-display);font-size:.85rem;font-weight:700;border-radius:8px;text-decoration:none;transition:opacity .2s}.rec-cta:hover{opacity:.9;color:#000}.rec-review{display:block;text-align:center;font-family:var(--font-display);font-size:.8rem;font-weight:600;color:var(--accent);text-decoration:none}.rec-review:hover{text-decoration:underline}.recs-empty{grid-column:1 / -1;text-align:center;padding:40px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px}.recs-empty-title{font-family:var(--font-display);font-size:1.1rem;font-weight:700;color:var(--heading);margin-bottom:8px}.recs-empty-desc{font-size:.9rem;color:var(--text-muted)}.calc-nav{display:flex;justify-content:space-between;align-items:center;padding:24px 0 48px}.calc-nav .btn-primary,.calc-nav .btn-secondary{min-width:140px;text-align:center}@media (max-width: 768px){.calc-hero h1{font-size:2rem}.scenario-grid{grid-template-columns:repeat(2,1fr);gap:10px}.scenario-card{padding:16px 12px}.scenario-icon{font-size:1.6rem}.results-cards,.recs-container{grid-template-columns:1fr}.device-card{flex-wrap:wrap}.device-inputs{width:100%;justify-content:flex-end}.progress-label{font-size:9px}.progress-num{width:28px;height:28px;font-size:11px}.calc-nav .btn-primary,.calc-nav .btn-secondary{min-width:110px;padding:10px 16px}}@media (max-width: 480px){.calc-hero h1{font-size:1.6rem}.scenario-grid{grid-template-columns:1fr 1fr}}