:root{--bg-color: #f8f9fa;--card-bg: #ffffff;--text-primary: #212529;--text-secondary: #6c757d;--primary: #0066ff;--primary-hover: #0052cc;--success: #10b981;--border-color: #e9ecef;--radius: 12px;--shadow: 0 8px 30px rgba(0, 0, 0, .05);--shadow-hover: 0 12px 40px rgba(0, 0, 0, .1);--transition: all .3s cubic-bezier(.4, 0, .2, 1);--color-ev: #10b981;--color-ev-fast: #3b82f6;--color-petrol: #f59e0b;--color-diesel: #6366f1}[data-theme=dark]{--bg-color: #121212;--card-bg: #1e1e1e;--text-primary: #e5e5e5;--text-secondary: #a3a3a3;--primary: #3b82f6;--primary-hover: #60a5fa;--border-color: #333333;--shadow: 0 8px 30px rgba(0, 0, 0, .3);--shadow-hover: 0 12px 40px rgba(0, 0, 0, .4)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6;transition:background-color var(--transition),color var(--transition)}.container{max-width:800px;margin:0 auto;padding:0 20px}.header{background:var(--card-bg);box-shadow:0 2px 10px #0000000d;position:sticky;top:0;z-index:100;padding:15px 0;margin-bottom:30px}[data-theme=dark] .header{box-shadow:0 2px 10px #0003}.header-container{display:flex;justify-content:space-between;align-items:center}.logo h1{font-size:24px;font-weight:700;color:var(--text-primary)}.logo span{color:var(--primary)}.controls{display:flex;align-items:center;gap:15px}.lang-switcher button{background:none;border:none;font-family:Inter,sans-serif;font-weight:500;font-size:14px;color:var(--text-secondary);cursor:pointer;padding:4px 8px;border-radius:4px;transition:var(--transition)}.lang-switcher button:hover{color:var(--text-primary);background:#0000000d}[data-theme=dark] .lang-switcher button:hover{background:#ffffff1a}.lang-switcher button.active{color:var(--primary);font-weight:600}.theme-toggle{background:var(--bg-color);border:1px solid var(--border-color);border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-primary);transition:var(--transition)}.theme-toggle:hover{background:var(--border-color)}[data-theme=dark] .moon-icon,[data-theme=light] .sun-icon{display:none}:root:not([data-theme]) .sun-icon{display:none}section{background:var(--card-bg);border-radius:var(--radius);padding:24px;margin-bottom:24px;box-shadow:var(--shadow);border:1px solid var(--border-color);transition:var(--transition)}h2{font-size:20px;margin-bottom:20px;font-weight:600;color:var(--text-primary)}.input-group{margin-bottom:20px}.input-group label{display:block;font-size:14px;font-weight:500;margin-bottom:8px;color:var(--text-secondary)}.route-presets{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:15px}.preset-btn{background:var(--bg-color);border:1px solid var(--border-color);color:var(--text-primary);padding:8px 16px;border-radius:20px;font-size:14px;cursor:pointer;transition:var(--transition);font-family:inherit;font-weight:500;text-align:center;display:flex;align-items:center;justify-content:center}.preset-btn:hover{border-color:var(--primary);color:var(--primary)}.preset-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.vehicle-presets{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:15px}.vehicle-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:12px;gap:6px;text-align:center}.vehicle-title{font-weight:600;font-size:14px}.vehicle-stats{font-size:11px;color:var(--text-secondary);display:flex;justify-content:center;gap:10px;font-weight:400;white-space:nowrap}.preset-btn.active .vehicle-stats{color:#ffffffd9}.custom-route-btn{display:flex;align-items:center;padding:4px 12px;cursor:default}.custom-route-btn input[type=number]{width:60px;padding:4px;border:none;background:transparent;color:inherit;font-weight:600;text-align:right;border-bottom:2px solid transparent;border-radius:0;box-shadow:none}.custom-route-btn.active input[type=number]{border-bottom:2px solid white}.custom-route-btn:not(.active) input[type=number]:focus{border-bottom:2px solid var(--primary)}.custom-route-btn .unit{position:static;margin-left:4px;color:inherit;opacity:.8;font-weight:500}.input-wrapper{display:flex;align-items:center;position:relative;max-width:200px}input[type=number],select{width:100%;padding:12px 40px 12px 12px;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-color);color:var(--text-primary);font-family:inherit;font-size:16px;transition:var(--transition)}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}input[type=number]:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #0066ff26}.unit{position:absolute;right:12px;color:var(--text-secondary);font-size:14px;pointer-events:none}.custom-consumption{display:none;margin-bottom:20px;background:var(--bg-color);padding:15px;border-radius:8px;border:1px solid var(--border-color)}.custom-consumption.active{display:block}.custom-inputs{display:flex;gap:15px}.season-toggle{display:flex;background:var(--bg-color);border-radius:8px;overflow:hidden;border:1px solid var(--border-color);width:100%}.season-toggle input[type=radio]{display:none}.season-toggle label{flex:1;text-align:center;padding:10px;margin:0;cursor:pointer;font-weight:500;transition:var(--transition)}.season-toggle input[type=radio]:checked+label{background:var(--primary);color:#fff}.prices-updated{font-size:12px;color:var(--text-secondary);margin-bottom:20px}.result-item{display:flex;align-items:center;margin-bottom:15px;padding:12px;border-radius:8px;background:var(--bg-color);border:1px solid var(--border-color);transition:var(--transition)}.result-item:hover{transform:translate(4px);border-color:var(--text-secondary)}.result-icon{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-right:15px;color:#fff;font-weight:700}.result-icon.ev{background:var(--color-ev)}.result-icon.ev-fast{background:var(--color-ev-fast)}.result-icon.petrol{background:var(--color-petrol)}.result-icon.diesel{background:var(--color-diesel)}.result-details{flex:1}.result-name{font-weight:600;font-size:15px;margin-bottom:2px}.result-meta{font-size:12px;color:var(--text-secondary)}.result-price{text-align:right}.result-total{font-size:18px;font-weight:700;color:var(--text-primary)}.result-per100{font-size:12px;color:var(--text-secondary)}.bar-chart-container{margin-top:25px;padding-top:20px;border-top:1px solid var(--border-color)}.bar-row{margin-bottom:12px}.bar-label{display:flex;justify-content:space-between;font-size:12px;margin-bottom:4px;font-weight:500}.bar-track{height:8px;background:var(--border-color);border-radius:4px;overflow:hidden}.bar-fill{height:100%;border-radius:4px;transition:width 1s cubic-bezier(.4,0,.2,1)}.bar-fill.ev{background:var(--color-ev)}.bar-fill.ev-fast{background:var(--color-ev-fast)}.bar-fill.petrol{background:var(--color-petrol)}.bar-fill.diesel{background:var(--color-diesel)}.insights{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:15px}.insight-card{padding:15px;border-radius:8px;background:var(--bg-color);border:1px solid var(--border-color)}.insight-title{font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-weight:600;margin-bottom:5px}.insight-value{font-size:20px;font-weight:700;color:var(--text-primary)}.insight-value.green{color:var(--success)}details{cursor:pointer}details summary{font-weight:600;color:var(--text-primary);outline:none}.settings-content{margin-top:15px;padding-top:15px;border-top:1px solid var(--border-color);cursor:default}.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px}.price-edit-item{background:var(--bg-color);padding:8px;border-radius:8px;border:1px solid var(--border-color)}.price-edit-item label{display:block;font-size:11px;font-weight:600;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.price-input-flex{display:flex;align-items:center;gap:10px}.price-input-flex input{padding:8px}.footer{text-align:center;padding:20px 0;color:var(--text-secondary);font-size:13px;margin-bottom:20px}.skeleton{animation:skeleton-loading 1s linear infinite alternate}@keyframes skeleton-loading{0%{background-color:var(--border-color)}to{background-color:#c8c8c833}}@media (max-width: 600px){.insights{grid-template-columns:1fr}.custom-inputs{flex-direction:column}}