.contract-calculator-container,.contract-calculator-container *,.contract-calculator-container *::before,.contract-calculator-container *::after{box-sizing:border-box}.contract-calculator-container{position:relative;max-width:1000px;margin:10px auto;padding:10px;font-family:'Noto Sans KR',-apple-system,BlinkMacSystemFont,sans-serif;--bg-primary:#f5f5f0;--bg-secondary:#fff;--bg-section:#fff;--border-color:#333;--text-primary:#222;--text-secondary:#555;--text-light:#666;--color-accent:#3498db;--color-success:#27ae60;--color-warning:#f39c12;--color-danger:#e74c3c;--color-purple:#9b59b6;--color-teal:#1abc9c;--shadow-sm:2px 2px 0 rgba(0,0,0,0.1);--shadow-md:4px 4px 0 rgba(0,0,0,0.15);--shadow-lg:8px 8px 0 rgba(0,0,0,0.15);--radius-container:8px;--radius-section:6px;--radius-button:4px;--radius-input:4px;--input-focus-bg:#fffacd;--title-color:#2c3e50;--title-shadow:2px 2px 0 rgba(255,255,255,0.5);--btn-hover-overlay:rgba(0,0,0,0.1);--copy-btn-bg:#fff;--copy-btn-hover-bg:#f0f0f0;background:var(--bg-primary);color:var(--text-primary);border:2px solid var(--border-color);border-radius:var(--radius-container);box-shadow:var(--shadow-lg)}.contract-calculator-container.dark{--bg-primary:#1a1a1a;--bg-secondary:#2d2d2d;--bg-section:#2d2d2d;--border-color:#e0e0e0;--text-primary:#e8e8e8;--text-secondary:#b0b0b0;--text-light:#909090;--color-accent:#5dade2;--color-success:#52c77a;--color-warning:#f5b041;--color-danger:#ec7063;--color-purple:#af7ac5;--color-teal:#48d1cc;--shadow-sm:2px 2px 0 rgba(255,255,255,0.08);--shadow-md:4px 4px 0 rgba(255,255,255,0.12);--shadow-lg:8px 8px 0 rgba(255,255,255,0.12);--input-focus-bg:#3a3a3a;--title-color:#7fb3d5;--title-shadow:2px 2px 0 rgba(0,0,0,0.5);--btn-hover-overlay:rgba(255,255,255,0.1);--copy-btn-bg:#3a3a3a;--copy-btn-hover-bg:#4a4a4a}@media (prefers-color-scheme:dark){.contract-calculator-container:not(.dark):not(.light){--bg-primary:#1a1a1a;--bg-secondary:#2d2d2d;--bg-section:#2d2d2d;--border-color:#e0e0e0;--text-primary:#e8e8e8;--text-secondary:#b0b0b0;--text-light:#909090;--color-accent:#5dade2;--color-success:#52c77a;--color-warning:#f5b041;--color-danger:#ec7063;--color-purple:#af7ac5;--color-teal:#48d1cc;--shadow-sm:2px 2px 0 rgba(255,255,255,0.08);--shadow-md:4px 4px 0 rgba(255,255,255,0.12);--shadow-lg:8px 8px 0 rgba(255,255,255,0.12);--input-focus-bg:#3a3a3a;--title-color:#7fb3d5;--title-shadow:2px 2px 0 rgba(0,0,0,0.5);--btn-hover-overlay:rgba(255,255,255,0.1);--copy-btn-bg:#3a3a3a;--copy-btn-hover-bg:#4a4a4a}}.dark-mode-toggle{position:absolute;top:10px;right:10px;padding:6px 10px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-button);cursor:pointer;transition:all 0.2s;box-shadow:var(--shadow-sm);font-size:16px;color:var(--text-primary);z-index:10}.dark-mode-toggle:hover{transform:translate(.5px,.5px);box-shadow:1.5px 1.5px 0 rgba(0,0,0,.15)}.dark-mode-toggle:active{transform:translate(2px,2px);box-shadow:none}.main-title{text-align:center;color:var(--title-color);font-size:26px;font-weight:700;margin:0 0 8px 0;padding-bottom:6px;border-bottom:2px solid var(--border-color);text-shadow:var(--title-shadow)}.info-box{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-section);padding:10px;margin-bottom:8px;box-shadow:var(--shadow-sm)}.info-header{display:flex;align-items:center;gap:6px;margin-bottom:6px;color:var(--text-primary);font-weight:600}.info-header svg{flex-shrink:0}.info-box p{margin:6px 0;color:var(--text-secondary);line-height:1.5;font-size:13px}.info-box ul{margin:8px 0 0 0;padding-left:20px}.info-box li{margin-bottom:4px;color:var(--text-secondary);font-size:13px}.toggle-button{padding:5px 10px;background:var(--color-accent);color:#fff;border:1px solid var(--border-color);border-radius:var(--radius-button);cursor:pointer;font-size:12px;font-weight:600;transition:all 0.2s;box-shadow:var(--shadow-sm)}.toggle-button:hover{filter:brightness(.95);transform:translate(1px,1px);box-shadow:1px 1px 0 rgba(0,0,0,.1)}.toggle-button:active{transform:translate(2px,2px);box-shadow:none}.detailed-info{margin-top:8px}.detailed-info.hidden{display:none}.calculator-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:8px}.calculator-column{display:flex;flex-direction:column;gap:10px}.calculator-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-section);padding:12px;box-shadow:var(--shadow-md)}.section-title{display:flex;align-items:center;gap:6px;font-size:16px;font-weight:700;color:var(--text-primary);margin:0 0 8px 0;padding-bottom:6px;border-bottom:1px solid var(--border-color)}.section-title svg{flex-shrink:0}.input-group{margin-bottom:8px}.input-group label{display:block;margin-bottom:6px;color:var(--text-primary);font-weight:600;font-size:13px}.input-group input{width:100%;padding:10px;font-size:15px;font-family:'Courier New',monospace;border:1px solid var(--border-color);border-radius:var(--radius-input);background:var(--bg-secondary);color:var(--text-primary);transition:all 0.2s}.input-group input:focus{outline:none;background:var(--input-focus-bg);box-shadow:0 0 0 3px rgba(52,152,219,.2)}.formatted-amount{margin-top:5px;font-size:12px;color:var(--text-light);min-height:16px}.button-group{display:flex;gap:8px}.btn-calculate{flex:2;padding:10px;background:var(--color-accent);color:#fff;border:1.5px solid var(--border-color);border-radius:var(--radius-button);font-size:15px;font-weight:700;cursor:pointer;transition:all 0.2s;box-shadow:var(--shadow-md)}.btn-calculate:hover{filter:brightness(.95);transform:translate(1px,1px);box-shadow:3px 3px 0 rgba(0,0,0,.15)}.btn-calculate:active{transform:translate(4px,4px);box-shadow:none}.btn-reset{flex:1;padding:10px;background:var(--color-warning);color:#fff;border:1px solid var(--border-color);border-radius:var(--radius-button);font-size:13px;font-weight:600;cursor:pointer;transition:all 0.2s;box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;gap:4px}.btn-reset:hover{filter:brightness(.95);transform:translate(1px,1px);box-shadow:3px 3px 0 rgba(0,0,0,.15)}.btn-reset:active{transform:translate(4px,4px);box-shadow:none}.btn-reset svg{flex-shrink:0}.result-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-section);box-shadow:var(--shadow-md);overflow:hidden}.result-header{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;background:linear-gradient(to bottom,var(--bg-secondary),var(--bg-primary));border-bottom:1px solid var(--border-color)}.result-header .section-title{margin:0;padding:0;border:none;font-size:15px}.btn-copy{padding:6px 10px;background:var(--copy-btn-bg);border:1px solid var(--border-color);border-radius:var(--radius-button);cursor:pointer;font-size:15px;transition:all 0.2s;box-shadow:var(--shadow-sm)}.btn-copy:hover{background:var(--copy-btn-hover-bg);transform:translate(.5px,.5px);box-shadow:1.5px 1.5px 0 rgba(0,0,0,.1)}.btn-copy:active{transform:translate(2px,2px);box-shadow:none}.result-content{padding:12px}.result-item{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--border-color)}.result-item:last-child{border-bottom:none}.result-item.highlight-tax{background:rgba(231,76,60,.08);padding:8px 10px;margin:6px -10px;border:1px solid var(--color-danger);border-radius:var(--radius-section)}.result-item.highlight-net{background:rgba(52,152,219,.08);padding:8px 10px;margin:6px -10px;border:1px solid var(--color-accent);border-radius:var(--radius-section)}.result-item.highlight-contract{background:rgba(155,89,182,.08);padding:8px 10px;margin:6px -10px;border:1px solid var(--color-purple);border-radius:var(--radius-section)}.result-label{color:var(--text-secondary);font-weight:600;font-size:13px}.result-value{color:var(--text-primary);font-weight:700;font-size:16px;font-family:'Courier New',monospace}.result-value.primary{color:var(--color-purple);font-size:18px}.result-value.tax{color:var(--color-danger);font-size:18px}.result-value.net{color:var(--color-accent);font-size:18px}.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--text-primary);color:var(--bg-primary);padding:10px 20px;border-radius:var(--radius-button);box-shadow:var(--shadow-lg);font-weight:600;font-size:13px;z-index:1000;animation:slideUp 0.3s ease}.toast.hidden{display:none}@keyframes slideUp{from{opacity:0;transform:translateX(-50%) translateY(20px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}@media (max-width:768px){.contract-calculator-container{margin:8px 5px;padding:10px;width:calc(100% - 10px)}.main-title{font-size:22px;margin-bottom:8px;padding-bottom:6px}.calculator-grid{grid-template-columns:1fr;gap:10px}.calculator-section{padding:12px}.section-title{font-size:15px}.input-group input{font-size:14px;padding:9px}.btn-calculate,.btn-reset{padding:9px;font-size:14px}.result-content{padding:12px}.result-value{font-size:15px}.result-value.primary,.result-value.tax,.result-value.net{font-size:17px}}@media (max-width:480px){.contract-calculator-container{padding:8px;border-width:1px}.main-title{font-size:20px}.dark-mode-toggle{top:8px;right:8px;padding:5px 8px;font-size:14px}.info-box{padding:8px}.calculator-section{padding:10px}.section-title{font-size:14px}.input-group input{font-size:13px;padding:8px}.button-group{flex-direction:column;gap:6px}.btn-calculate,.btn-reset{width:100%;flex:1}.result-header{padding:10px 12px}.result-content{padding:10px}.result-item{padding:7px 0}.result-label{font-size:12px}.result-value{font-size:14px}.result-value.primary,.result-value.tax,.result-value.net{font-size:16px}}