:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.input-field{margin-bottom:16px}.input-field label{display:flex;align-items:center;gap:6px;margin-bottom:6px;color:#90caf9;font-weight:500;font-size:.9rem}.input-field .tooltip{cursor:help;color:#666;font-size:.8rem}.input-field .tooltip:hover{color:#4fc3f7}.input-wrapper{display:flex;align-items:stretch;border:2px solid rgba(79,195,247,.3);border-radius:8px;overflow:hidden;transition:all .3s ease}.input-wrapper:focus-within{border-color:#4fc3f7;box-shadow:0 0 12px #4fc3f740}.input-field input{flex:1;padding:12px 14px;border:none;background:#0000004d;color:#fff;font-size:1rem;outline:none;min-width:0}.input-field input::placeholder{color:#555}.input-field .unit{display:flex;align-items:center;padding:0 14px;background:#4fc3f726;color:#4fc3f7;font-weight:600;font-size:.85rem;white-space:nowrap;border-left:1px solid rgba(79,195,247,.3)}.unit-toggle{display:flex;border-left:1px solid rgba(79,195,247,.3)}.unit-toggle .unit-btn{padding:8px 12px;border:none;background:#0000004d;color:#666;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s ease}.unit-toggle .unit-btn:not(:last-child){border-right:1px solid rgba(79,195,247,.2)}.unit-toggle .unit-btn:hover{background:#4fc3f71a;color:#90caf9}.unit-toggle .unit-btn.active{background:#4fc3f740;color:#4fc3f7}.result-card{background:#00000040;border-radius:12px;padding:20px;margin-bottom:16px;border:1px solid rgba(79,195,247,.15)}.result-card h3{color:#4fc3f7;margin:0 0 16px;font-size:1.1rem;padding-bottom:10px;border-bottom:1px solid rgba(79,195,247,.2)}.result-grid{display:flex;flex-direction:column;gap:10px}.result-item{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:#ffffff08;border-radius:6px}.result-label{color:#aaa;font-size:.9rem}.result-value{color:#81c784;font-weight:600;font-family:Consolas,Monaco,monospace;font-size:1rem}.result-unit{color:#666;font-weight:400;margin-left:6px;font-size:.85rem}.soil-layer-editor{display:flex;flex-direction:column;gap:16px}.soil-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#0003;border-radius:10px;border:1px solid rgba(255,255,255,.1)}.depth-indicator{display:flex;align-items:center;gap:8px}.depth-label{color:#90caf9;font-size:.9rem}.depth-value{font-weight:600;color:#4fc3f7;font-size:1rem}.depth-value.over-limit{color:#ef5350;animation:pulse-warning 1s ease-in-out infinite}@keyframes pulse-warning{0%,to{opacity:1}50%{opacity:.6}}.add-layer-btn{padding:8px 16px;background:linear-gradient(135deg,#4fc3f7,#29b6f6);border:none;border-radius:8px;color:#1a1a2e;font-weight:600;font-size:.85rem;cursor:pointer;transition:all .3s ease}.add-layer-btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px #4fc3f766}.depth-warning{background:#ef535026;border:1px solid rgba(239,83,80,.5);color:#ef9a9a;padding:10px 16px;border-radius:8px;font-size:.9rem;text-align:center}.layers-stack{display:flex;flex-direction:column;gap:12px}.soil-layer-card{background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px;transition:all .3s ease}.soil-layer-card:hover{background:#ffffff0d;border-color:#4fc3f74d}.layer-header{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.1)}.layer-number{font-weight:600;color:#4fc3f7;font-size:.95rem}.layer-depth-range{flex:1;font-size:.85rem;color:#888;text-align:center}.remove-layer-btn{width:28px;height:28px;border-radius:6px;border:1px solid rgba(239,83,80,.3);background:#ef53501a;color:#ef5350;font-size:1.2rem;line-height:1;cursor:pointer;transition:all .2s ease}.remove-layer-btn:hover{background:#ef53504d;border-color:#ef535099}.layer-basic{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}.layer-params{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:12px}.input-group{display:flex;flex-direction:column;gap:6px}.input-group label{font-size:.8rem;color:#90caf9;font-weight:500}.input-group .param-desc{color:#666;font-weight:400;font-size:.75rem}.input-with-unit{display:flex;align-items:center;background:#0000004d;border-radius:8px;border:1px solid rgba(255,255,255,.1);overflow:hidden;transition:border-color .2s ease}.input-with-unit:focus-within{border-color:#4fc3f780}.input-with-unit input{flex:1;background:transparent;border:none;padding:10px 12px;color:#e0e0e0;font-size:.95rem;min-width:0}.input-with-unit input:focus{outline:none}.input-with-unit .unit{padding:10px 12px;background:#ffffff0d;color:#888;font-size:.8rem;white-space:nowrap}.input-group select{background:#0000004d;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:10px 12px;color:#e0e0e0;font-size:.95rem;cursor:pointer;transition:border-color .2s ease}.input-group select:focus{outline:none;border-color:#4fc3f780}.input-group select option{background:#1a1a2e;color:#e0e0e0}@media(max-width:600px){.layer-basic{grid-template-columns:1fr}.layer-params{grid-template-columns:1fr 1fr}.soil-header{flex-direction:column;gap:12px}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);min-height:100vh;color:#e0e0e0;overflow-x:hidden}.app-container{width:100%;max-width:100%;margin:0;padding:16px 24px;min-height:100vh;display:flex;flex-direction:column}.main-layout{display:grid;grid-template-columns:350px 1fr;gap:24px;flex:1;align-items:start}.left-panel,.right-panel{display:flex;flex-direction:column}.header{text-align:center;padding:30px 20px;background:#ffffff0d;border-radius:16px;margin-bottom:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);position:relative}.header-top{position:absolute;top:16px;right:16px}.lang-btn{padding:8px 16px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:8px;color:#e0e0e0;font-size:.85rem;cursor:pointer;transition:all .3s ease}.lang-btn:hover{background:#4fc3f733;border-color:#4fc3f780;color:#4fc3f7}.header h1{font-size:2rem;color:#4fc3f7;margin-bottom:8px;text-shadow:0 0 20px rgba(79,195,247,.3)}.header p{font-size:1rem;color:#90caf9}.tab-nav{display:flex;gap:4px;background:#0000004d;padding:6px;border-radius:12px;margin-bottom:20px;overflow-x:auto}.tab-btn{flex:1;padding:12px 16px;background:transparent;border:none;color:#888;font-size:.9rem;font-weight:500;cursor:pointer;border-radius:8px;transition:all .3s ease;white-space:nowrap}.tab-btn:hover{color:#fff;background:#ffffff0d}.tab-btn.active{background:linear-gradient(135deg,#4fc3f7,#29b6f6);color:#1a1a2e;font-weight:600}.main-content{flex:1;min-height:0}.right-panel .tab-panel{flex:1;display:flex;flex-direction:column}.right-panel .results-grid{flex:1}.tab-panel{background:#ffffff0d;border-radius:16px;padding:30px;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.tab-panel h2{color:#4fc3f7;margin-bottom:24px;font-size:1.3rem;padding-bottom:12px;border-bottom:2px solid rgba(79,195,247,.3)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}.action-bar{margin-top:20px;display:flex;justify-content:center}.calculate-btn{padding:16px 48px;background:linear-gradient(135deg,#4fc3f7,#29b6f6);color:#1a1a2e;border:none;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:1px}.calculate-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 30px #4fc3f766}.calculate-btn:disabled{opacity:.6;cursor:not-allowed}.results-panel{height:100%}.results-panel .results-grid{display:flex;flex-wrap:wrap;gap:16px}.results-panel .results-grid>*{flex:1 1 200px;min-width:180px}.no-results{text-align:center;padding:60px 20px;color:#666}.no-results p{font-size:1.1rem}.error-message{background:#f4433626;border:1px solid rgba(244,67,54,.5);color:#ef9a9a;padding:14px 18px;border-radius:10px;margin-bottom:16px;font-size:.95rem}.footer{text-align:center;padding:20px;margin-top:20px;color:#555;font-size:.85rem}@media(max-width:1024px){.main-layout{grid-template-columns:1fr}.right-panel{order:2}}@media(max-width:600px){.tab-nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}.tab-btn{min-width:100px;flex:none}.form-grid,.results-panel .results-grid{grid-template-columns:1fr}}