.calculator-container[data-v-aa31f2f7]{max-width:500px;margin:0 auto;padding:15px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#fff;min-height:100vh;display:flex;flex-direction:column}.header h1[data-v-aa31f2f7]{font-size:18px;color:#333;text-align:center;margin-bottom:20px;font-weight:600;border-bottom:2px solid #333;padding-bottom:10px}.display-panel[data-v-aa31f2f7]{background-color:#f4f4f4;padding:15px;border:1px solid #ddd;margin-bottom:20px;min-height:120px;display:flex;flex-direction:column;justify-content:space-between}.formula-box[data-v-aa31f2f7]{font-size:14px;color:#666;word-break:break-all;line-height:1.4}.result-box[data-v-aa31f2f7]{font-size:24px;font-weight:700;color:#0056b3;text-align:right;margin-top:10px;word-break:break-all}.control-panel[data-v-aa31f2f7]{display:flex;flex-direction:column;gap:10px}.btn-group[data-v-aa31f2f7]{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.btn-group button[data-v-aa31f2f7]{height:50px;background-color:#fff;border:1px solid #ccc;font-size:16px;color:#333;cursor:pointer;display:flex;align-items:center;justify-content:center}.btn-group button[data-v-aa31f2f7]:active{background-color:#e6e6e6}.action-group[data-v-aa31f2f7]{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}.btn-action[data-v-aa31f2f7]{height:50px;border:none;font-size:16px;font-weight:700;cursor:pointer;color:#fff}.btn-clear[data-v-aa31f2f7]{background-color:#666}.btn-back[data-v-aa31f2f7]{background-color:#888}.btn-calc[data-v-aa31f2f7]{background-color:#0056b3}.btn-action[data-v-aa31f2f7]:active{opacity:.8}.mode-selector[data-v-aa31f2f7]{margin-top:25px;padding:15px;border-top:1px solid #eee;display:flex;align-items:center;font-size:14px;color:#444}.mode-selector label[data-v-aa31f2f7]{margin-right:15px;display:flex;align-items:center;cursor:pointer}.mode-selector input[data-v-aa31f2f7]{margin-right:5px}@media(max-width:400px){.btn-group[data-v-aa31f2f7]{grid-template-columns:repeat(4,1fr)}}