*{margin:0;padding:0;box-sizing:border-box}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans KR,Malgun Gothic,sans-serif;line-height:1.6;font-weight:400;color:#333;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}button{border-radius:4px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;cursor:pointer;transition:all .3s}.app-container{min-height:100vh;display:flex;flex-direction:column;background:#f5f7fa}.main-content{max-width:1200px;margin:0 auto;padding:0 1rem;width:100%;flex:1}.content-area-full{min-width:0;width:100%}.header{background:transparent;color:#fff;position:fixed;top:0;left:0;right:0;z-index:1000;transform:translateY(0);transition:transform .3s ease}.header-content{max-width:1200px;margin:0 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ease}.btn-calculate{background-color:#2196f3;color:#fff}.btn-calculate:hover{background-color:#0b7dda;transform:translateY(-2px);box-shadow:0 4px 12px #2196f34d}.btn-reset{background-color:#f44336;color:#fff}.btn-reset:hover{background-color:#da190b;transform:translateY(-2px);box-shadow:0 4px 12px #f443364d}.saved-calculations{background-color:#f0f7ff;padding:20px;border-radius:10px;margin-bottom:30px;border-left:4px solid #2196F3}.saved-calculations h3{margin-top:0;margin-bottom:15px;color:#1565c0;font-size:1.2rem}.saved-list{display:flex;flex-wrap:wrap;gap:10px}.saved-item{display:flex;align-items:center;gap:8px;background-color:#fff;padding:8px 12px;border-radius:6px;box-shadow:0 1px 3px #0000001a}.saved-name{cursor:pointer;color:#2196f3;font-weight:500;transition:color .2s}.saved-name:hover{color:#0b7dda;text-decoration:underline}.btn-delete-small{background:none;border:none;color:#f44336;cursor:pointer;font-size:1.2rem;padding:0 4px;line-height:1;transition:color .2s}.btn-delete-small:hover{color:#da190b}.save-calculation-section{background-color:#fff9e6;padding:20px;border-radius:10px;margin-bottom:30px;display:flex;gap:15px;align-items:flex-end}.save-calculation-section .form-group{flex:1;margin-bottom:0}.btn-save{padding:12px 24px;background-color:#4caf50;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;white-space:nowrap}.btn-save:hover{background-color:#45a049;transform:translateY(-2px);box-shadow:0 4px 12px #4caf504d}.summary-container{background-color:#e3f2fd;padding:30px;border-radius:10px;margin-bottom:30px;border-left:5px solid #2196F3}.warning-message{margin-top:20px;padding:15px 20px;background-color:#fff3f3;border:2px solid #ff4444;border-radius:8px;color:#c00;font-size:.95rem;font-weight:600;line-height:1.5;text-align:center}.summary-container h3{margin-top:0;margin-bottom:20px;color:#1565c0;font-size:1.5rem}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.summary-item{background-color:#fff;padding:20px;border-radius:8px;display:flex;flex-direction:column;gap:8px}.summary-label{font-size:.9rem;color:#666;font-weight:500}.summary-value{font-size:1.3rem;color:#333;font-weight:700}.summary-value.highlight{color:#2196f3;font-size:1.5rem}.summary-value.interest{color:#f44336}.schedule-container{background-color:#f5f5f5;padding:30px;border-radius:10px}.schedule-container h3{margin-top:0;margin-bottom:20px;color:#333;font-size:1.5rem}.schedule-table-wrapper{overflow-x:auto;background-color:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a}.schedule-table{width:100%;border-collapse:collapse;min-width:600px}.schedule-table thead{background-color:#2196f3;color:#fff}.schedule-table th{padding:15px;text-align:center;font-weight:600;font-size:.95rem}.schedule-table tbody tr{border-bottom:1px solid #e0e0e0;transition:background-color .2s ease}.schedule-table tbody tr:hover{background-color:#f5f5f5}.schedule-table tbody tr:last-child{background-color:#fff3cd;font-weight:600}.schedule-table td{padding:12px 15px;font-size:.95rem}.schedule-table td:first-child{text-align:center;font-weight:600;color:#2196f3}.schedule-table td.amount{text-align:right;font-family:Courier New,monospace}.schedule-table td.interest-cell{color:#f44336}.schedule-table td.balance-cell{color:#4caf50;font-weight:600}.schedule-table tbody tr.grace-period-row{background-color:#fff9e6}.schedule-table tbody tr.grace-period-row:hover{background-color:#fff3cc}.grace-badge{display:inline-block;margin-left:8px;padding:2px 8px;background-color:#ff9800;color:#fff;font-size:.75rem;border-radius:12px;font-weight:600}@media(max-width:968px){.summary-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.installment-calculator{padding:15px}.calculator-header h2{font-size:1.5rem}.calculator-form{padding:20px}.summary-grid{grid-template-columns:1fr}.button-group{flex-direction:column}.schedule-table-wrapper{overflow-x:scroll}.summary-value{font-size:1.1rem}.summary-value.highlight{font-size:1.3rem}}@media(max-width:480px){.calculator-header h2{font-size:1.3rem}.calculator-form{padding:15px}.summary-container,.schedule-container{padding:20px}.schedule-table th,.schedule-table td{padding:10px 8px;font-size:.85rem}}