.tool-header{display:flex;align-items:center;justify-content:space-between;padding:16px;background-color:var(--color-accent);color:#fff}.back-link{color:#fff;text-decoration:none}.tool-title{font-size:18px;margin:0;font-weight:600}.share-button{background:none;border:none;color:#fff;cursor:pointer;padding:4px}.calculator-container{display:flex;flex-direction:column;gap:24px;width:100%;margin-bottom:24px}.calculator-form{background-color:var(--card-bg-color);border-radius:var(--border-radius);padding:20px;box-shadow:var(--box-shadow);width:100%;box-sizing:border-box}.form-group{margin-bottom:16px}.form-label{display:block;font-weight:600;margin-bottom:8px;color:var(--color-text)}.input-with-icon{position:relative;display:flex;align-items:center}.currency-symbol{position:absolute;left:12px;font-weight:600;color:var(--color-text)}.people-unit{position:absolute;right:12px;font-weight:600;color:var(--color-text)}.form-input{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:16px;box-sizing:border-box}.form-input.with-currency{padding-left:28px}.form-input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px var(--color-accent-light)}.radio-group{display:flex;flex-wrap:wrap;gap:12px}.radio-item{display:flex;align-items:center;gap:6px;cursor:pointer}.calculate-button{width:100%;padding:14px;background-color:var(--color-accent);color:#fff;border:none;border-radius:var(--border-radius);font-size:16px;font-weight:600;cursor:pointer;transition:background-color .2s;margin-top:8px}.calculate-button:hover{background-color:var(--color-accent-hover)}.calculate-button:active{transform:translateY(1px)}.result-section{background-color:var(--card-bg-color);border-radius:var(--border-radius);padding:20px;box-shadow:var(--box-shadow);width:100%;box-sizing:border-box}.result-title{font-size:18px;margin:0 0 16px;color:var(--color-accent);font-weight:600}.result-card{background-color:var(--color-surface-hover);border-radius:var(--border-radius);padding:16px;margin-bottom:16px}.result-item{display:flex;flex-direction:column;margin-bottom:16px}.result-item:last-child{margin-bottom:0}.result-label{font-size:14px;color:var(--color-text-secondary);margin-bottom:4px}.result-value{font-size:24px;font-weight:700;color:var(--color-text)}.result-note{font-size:12px;color:var(--color-text-secondary);margin-top:4px}.action-buttons{display:flex;gap:12px}.action-button{display:flex;align-items:center;gap:8px;padding:10px 16px;background-color:#f0f0f0;border:none;border-radius:var(--border-radius);font-size:14px;cursor:pointer;transition:background-color .2s}.action-button:hover{background-color:#e5e5e5}.usage-guide{background-color:var(--card-bg-color);border-radius:var(--border-radius);padding:20px;box-shadow:var(--box-shadow);margin-bottom:24px}.guide-title{font-size:18px;margin:0 0 16px;color:var(--color-accent);font-weight:600}.guide-steps{padding-left:24px;margin-bottom:16px}.guide-steps li{margin-bottom:8px;line-height:1.5}.guide-note{font-size:14px;color:var(--color-text-secondary);line-height:1.5}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%) translateY(100px);background-color:#000c;color:#fff;padding:12px 24px;border-radius:8px;font-size:14px;opacity:0;transition:transform .3s ease,opacity .3s ease;z-index:1000;pointer-events:none}.toast.show{transform:translate(-50%) translateY(0);opacity:1}@media(min-width:768px){.tool-title{font-size:22px}.calculator-container{flex-direction:row;align-items:flex-start}.calculator-form,.result-section{flex:1}.radio-group{flex-wrap:nowrap}}