.tool-content-container{flex-direction:column;gap:1rem;height:auto;min-height:calc(100vh - 180px);padding:1rem;display:flex;overflow-y:visible}.converter-panel{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;padding:1.25rem 1.5rem}.converter-panel__intro{color:var(--text-secondary);margin:0 0 1rem;font-size:.9rem;line-height:1.5}.unit-columns{grid-template-columns:repeat(5,minmax(0,1fr));align-items:stretch;gap:.75rem;display:grid}.unit-column{border:1px solid var(--border-color);background-color:var(--card-bg);border-radius:8px;flex-direction:column;min-width:0;display:flex;overflow:hidden}.unit-column__basis{background-color:var(--input-bg);border-bottom:1px solid var(--border-color);flex-direction:column;flex-shrink:0;gap:.5rem;padding:.85rem;display:flex;position:relative}.unit-column__basis:after{content:"↓";z-index:1;width:1.1rem;height:1.1rem;color:var(--text-secondary);background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:50%;justify-content:center;align-items:center;font-size:.7rem;line-height:1;display:flex;position:absolute;bottom:-.55rem;left:50%;transform:translate(-50%)}.unit-column__converter{flex:1;min-width:0;padding:.85rem}.unit-column__badge{letter-spacing:.02em;color:var(--primary-dark,#2980b9);background-color:var(--card-bg);border:1px solid var(--primary-color);font-size:.8rem;font-weight:600;font-family:var(--font-mono,"Consolas", "Monaco", monospace);border-radius:4px;align-self:flex-start;align-items:center;padding:.2rem .55rem;display:inline-flex}[data-theme=dark] .unit-column__badge{color:var(--heading-color,#5dade2);background-color:var(--bg-light,#1a252f);border-color:var(--heading-color,#5dade2)}.unit-column__note{color:var(--text-secondary);margin:0;font-size:.75rem;line-height:1.4}.unit-column--absolute .unit-column__basis{min-height:4.5rem}.setting-item{flex-direction:column;gap:.35rem;display:flex}.setting-item label{color:var(--text-color);font-size:.85rem;font-weight:500}.input-group{align-items:center;display:flex;position:relative}.input-group input{background-color:var(--card-bg);border:1px solid var(--border-color);width:100%;color:var(--text-color);border-radius:4px;padding:.5rem 2.5rem .5rem .5rem;font-size:.9rem}.unit-column__basis .input-group input{background-color:var(--card-bg)}.input-group input:focus{border-color:var(--primary-color);outline:none}.input-group .unit{color:var(--text-secondary);-webkit-user-select:none;user-select:none;font-size:.85rem;position:absolute;right:.5rem}.conversion-block{flex-direction:column;gap:.75rem;display:flex}.main-input{font-weight:500;background-color:var(--input-bg)!important;padding:.65rem 3rem .65rem .75rem!important;font-size:1.15rem!important}.conversion-block .input-group .unit{font-size:1rem;font-weight:500}.result-group{flex-direction:column;gap:.5rem;display:flex}.result-item{border:1px solid var(--border-color);background-color:var(--input-bg);border-radius:4px;flex-direction:column;padding:.5rem;display:flex;position:relative}.result-value{color:var(--text-color);margin-bottom:.2rem;font-size:1rem;font-weight:500}.result-unit{color:var(--text-secondary);font-family:Consolas,Monaco,monospace;font-size:.75rem}.copy-btn{cursor:pointer;color:var(--text-secondary);opacity:.5;background:0 0;border:none;font-size:.7rem;transition:opacity .2s;position:absolute;top:.25rem;right:.25rem}.copy-btn:hover{opacity:1;color:var(--primary-color)}.instructions{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:4px;margin-top:1rem;padding:1.5rem}.instructions h3{color:var(--text-color);border-bottom:1px solid var(--border-color);margin:0 0 1rem;padding-bottom:.5rem;font-size:1.1rem}.instructions-content{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;display:grid}.unit-block{margin-bottom:1.5rem}.unit-block h4{color:var(--text-color);margin:0 0 .5rem;font-size:1rem}.unit-block p{color:var(--text-secondary);margin:0 0 .5rem;font-size:.9rem;line-height:1.6}.unit-block code{background-color:var(--code-bg);color:var(--primary-color);border-radius:3px;padding:.1rem .3rem;font-family:Consolas,Monaco,monospace;font-size:.85rem}.notification{color:#fff;opacity:0;z-index:1000;background-color:#333;border-radius:4px;padding:10px 20px;transition:all .3s;position:fixed;bottom:20px;right:20px;transform:translateY(100px)}.notification.show{opacity:1;transform:translateY(0)}.notification-success{background-color:#4caf50}.notification-error{background-color:#f44336}@media (width<=1200px){.unit-columns{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=768px){.unit-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem}.unit-column__basis,.unit-column__converter{padding:.75rem}.instructions-content{grid-template-columns:1fr}}@media (width<=480px){.unit-columns{grid-template-columns:1fr}}