.percent-calculator-container,.percent-calculator-container *,.percent-calculator-container *::before,.percent-calculator-container *::after{box-sizing:border-box}.percent-calculator-container{--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);--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;--tab-inactive-bg:#e8e8e8;--tab-hover-bg:#d8d8d8}.percent-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;--tab-inactive-bg:#3a3a3a;--tab-hover-bg:#4a4a4a}@media (prefers-color-scheme:dark){.percent-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;--tab-inactive-bg:#3a3a3a;--tab-hover-bg:#4a4a4a}}.percent-calculator-container{position:relative;max-width:1180px;width:100%;margin:15px auto;padding:12px;background:var(--bg-primary);border:2px solid var(--border-color);font-family:'Noto Sans KR','Malgun Gothic',-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text-primary);box-shadow:var(--shadow-lg);line-height:1.5}.dark-mode-toggle{position:absolute;top:12px;right:12px;padding:8px 12px;background:var(--bg-secondary);border:1px solid var(--border-color);cursor:pointer;transition:all 0.2s;box-shadow:2px 2px 0 rgba(0,0,0,.15);font-size:18px;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}.theme-icon{display:inline-block;line-height:1}.calculator-header{text-align:center;margin-bottom:12px;padding-bottom:10px;border-bottom:3px double var(--border-color)}.calculator-header h2{margin:0 0 6px 0;font-size:28px;font-weight:700;color:var(--title-color);text-shadow:var(--title-shadow);line-height:1.2}.subtitle{margin:0;font-size:15px;color:var(--text-light);line-height:1.4}.calc-tabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:6px;margin-bottom:12px}.calc-tab-btn{padding:10px 8px;border:1px solid var(--border-color);background:var(--tab-inactive-bg);color:var(--text-primary);font-weight:600;cursor:pointer;text-align:center;font-size:14px;transition:all 0.2s;box-shadow:var(--shadow-sm)}.calc-tab-btn:hover{background:var(--tab-hover-bg);transform:translate(.5px,.5px);box-shadow:1px 1px 0 rgba(0,0,0,.1)}.calc-tab-btn:active{transform:translate(2px,2px);box-shadow:none}.calc-tab-btn.active{background:var(--color-accent);color:#fff;border-color:var(--border-color);box-shadow:var(--shadow-md)}.calc-tab-btn small{display:block;font-size:12px;font-weight:400;margin-top:3px;opacity:.85}.calculator-main{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.input-section,.result-section{background:var(--bg-secondary);border:1px solid var(--border-color);padding:12px;box-shadow:var(--shadow-md)}.section-title{display:flex;align-items:center;gap:6px;margin:0 0 10px 0;padding-bottom:8px;border-bottom:1px solid var(--border-color);font-size:17px;font-weight:700;line-height:1.2}.input-section .section-title{color:var(--color-accent)}.result-section .section-title{color:var(--color-success)}.current-mode{display:inline-block;margin-left:auto;background:var(--bg-primary);padding:3px 8px;border:1px solid var(--border-color);font-size:13px;color:var(--text-secondary);font-weight:500}.calc-form{display:block}.calc-form.hidden{display:none}.input-group{margin-bottom:12px}.input-group label{display:block;margin-bottom:5px;color:var(--text-secondary);font-weight:600;font-size:14px}.input-group input,.input-group select{width:100%;padding:10px;border:1px solid var(--border-color);font-size:15px;color:var(--text-primary);background:var(--bg-section);transition:all 0.2s;font-family:'Courier New',monospace}.input-group input:focus,.input-group select:focus{outline:none;background:var(--input-focus-bg);border-color:var(--color-accent);box-shadow:0 0 0 2px rgba(52,152,219,.2)}.input-group .hint{font-size:13px;color:var(--text-light);margin-top:4px}.input-addon{position:relative}.input-addon input{padding-right:35px}.input-addon .addon{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--text-secondary);font-weight:600;font-size:15px;pointer-events:none}.quick-percent-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-top:6px}.quick-percent-btn{padding:6px 8px;background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;font-size:13px;font-weight:600;transition:all 0.2s;box-shadow:1px 1px 0 rgba(0,0,0,.1)}.quick-percent-btn:hover{background:var(--color-teal);color:#fff;transform:translate(.5px,.5px);box-shadow:.5px .5px 0 rgba(0,0,0,.1)}.quick-percent-btn:active{transform:translate(1px,1px);box-shadow:none}.btn-calculate{width:100%;display:flex;align-items:center;justify-content:center;gap:6px;padding:12px 16px;margin-top:12px;background:var(--color-accent);color:#fff;border:1.5px solid var(--border-color);cursor:pointer;font-weight:700;font-size:16px;transition:all 0.2s;box-shadow:var(--shadow-md)}.btn-calculate:hover{background:var(--color-accent);filter:brightness(1.1);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{width:100%;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 14px;margin-top:6px;background:var(--color-warning);color:#fff;border:1px solid var(--border-color);cursor:pointer;font-weight:600;font-size:15px;transition:all 0.2s;box-shadow:var(--shadow-sm)}.btn-reset:hover{background:var(--color-warning);filter:brightness(1.1);transform:translate(.5px,.5px);box-shadow:1.5px 1.5px 0 rgba(0,0,0,.1)}.btn-reset:active{transform:translate(2px,2px);box-shadow:none}.result-content{margin-bottom:12px;min-height:100px}.no-result{text-align:center;color:var(--text-light);font-size:15px;padding:30px 20px;background:var(--bg-primary);border:1px dashed var(--border-color)}.result-row{margin-bottom:8px;font-size:15px;color:var(--text-primary);display:flex;justify-content:space-between;align-items:baseline;padding:6px 0;border-bottom:1px dotted var(--border-color)}.result-row:last-child{border-bottom:none}.result-row .label{font-weight:600;color:var(--text-secondary)}.result-row .value{font-weight:700;color:var(--color-accent);font-family:'Courier New',monospace}.result-row.highlight{margin-top:10px;padding:12px;background:var(--bg-primary);border:1px solid var(--border-color);border-left:4px solid var(--color-success);box-shadow:var(--shadow-sm)}.result-row.highlight .value{font-size:18px;color:var(--color-success)}.calculation-process{margin-top:10px;padding:10px;background:var(--bg-primary);border:1px solid var(--border-color);font-size:14px;color:var(--text-light);line-height:1.6}.percent-bar{margin:15px 0;position:relative}.percent-bar.hidden{display:none}.percent-bar-labels{display:flex;justify-content:space-between;margin-bottom:6px;font-size:13px;color:var(--text-light);font-weight:600}.percent-bar-track{height:14px;background:var(--bg-primary);border:1px solid var(--border-color);position:relative;box-shadow:inset 1px 1px 3px rgba(0,0,0,.1)}.percent-bar-pointer{position:absolute;height:20px;width:3px;background:var(--color-accent);border:1px solid var(--border-color);top:-3px;transform:translateX(-2px);transition:left 0.3s ease;box-shadow:var(--shadow-sm)}.percent-bar-value{position:absolute;top:-30px;left:50%;transform:translateX(-50%);background:var(--color-accent);color:#fff;padding:3px 8px;border:1px solid var(--border-color);font-size:13px;font-weight:700;white-space:nowrap;box-shadow:var(--shadow-sm)}.copy-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 14px;margin-top:12px;background:var(--copy-btn-bg);color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;font-weight:600;font-size:15px;transition:all 0.2s;box-shadow:var(--shadow-sm)}.copy-btn:hover{background:var(--copy-btn-hover-bg);transform:translate(.5px,.5px);box-shadow:1.5px 1.5px 0 rgba(0,0,0,.1)}.copy-btn:active{transform:translate(2px,2px);box-shadow:none}.copy-btn.hidden{display:none}.notice{display:flex;align-items:center;justify-content:center;gap:6px;text-align:center;font-size:13px;color:var(--text-secondary);padding:10px;background:var(--bg-secondary);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.toast-container{position:fixed;top:20px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:10px;max-width:350px}.toast{padding:12px 16px;background:var(--bg-secondary);border:2px solid var(--border-color);color:var(--text-primary);font-size:14px;font-weight:600;box-shadow:var(--shadow-lg);animation:slideIn 0.3s ease;display:flex;align-items:center;gap:8px}.toast.success{border-left:4px solid var(--color-success)}.toast.error{border-left:4px solid var(--color-danger)}.toast.info{border-left:4px solid var(--color-accent)}@keyframes slideIn{from{transform:translateX(400px);opacity:0}to{transform:translateX(0);opacity:1}}@keyframes slideOut{from{transform:translateX(0);opacity:1}to{transform:translateX(400px);opacity:0}}.toast.removing{animation:slideOut 0.3s ease}@media screen and (max-width:768px){.percent-calculator-container{margin:8px 5px;width:calc(100% - 10px);padding:10px}.dark-mode-toggle{top:10px;right:10px;padding:6px 10px;font-size:16px}.calculator-header h2{font-size:24px}.subtitle{font-size:14px}.calc-tabs{grid-template-columns:repeat(2,1fr);gap:4px}.calc-tab-btn{padding:8px 6px;font-size:13px}.calc-tab-btn small{font-size:11px}.calculator-main{grid-template-columns:1fr;gap:10px}.input-section,.result-section{padding:10px}.section-title{font-size:16px}.current-mode{font-size:12px;padding:2px 6px}.input-group label{font-size:13px}.input-group input,.input-group select{font-size:14px;padding:9px}.btn-calculate{font-size:15px;padding:11px 14px}.btn-reset{font-size:14px;padding:9px 12px}.result-row{font-size:14px}.result-row.highlight .value{font-size:17px}.notice{font-size:12px;padding:8px}.toast-container{top:10px;right:10px;max-width:calc(100% - 20px)}}@media screen and (max-width:480px){.percent-calculator-container{padding:8px;border-width:1px}.dark-mode-toggle{top:8px;right:8px;padding:5px 8px;font-size:14px}.calculator-header{padding-bottom:8px}.calculator-header h2{font-size:22px}.subtitle{font-size:13px}.calc-tabs{grid-template-columns:1fr;gap:3px}.calc-tab-btn{padding:8px;font-size:14px}.calc-tab-btn small{display:none}.input-section,.result-section{padding:8px}.section-title{font-size:15px;gap:4px}.section-title svg{width:16px;height:16px}.current-mode{font-size:11px;padding:2px 5px}.input-group{margin-bottom:10px}.input-group label{font-size:12px;margin-bottom:4px}.input-group input,.input-group select{font-size:13px;padding:8px}.input-group .hint{font-size:12px}.quick-percent-buttons{grid-template-columns:repeat(2,1fr);gap:3px}.quick-percent-btn{padding:5px 6px;font-size:12px}.btn-calculate{font-size:14px;padding:10px 12px}.btn-reset{font-size:13px;padding:8px 10px}.result-row{font-size:13px}.result-row.highlight{padding:10px}.result-row.highlight .value{font-size:16px}.calculation-process{font-size:13px;padding:8px}.copy-btn{font-size:14px;padding:9px 12px}.notice{font-size:11px;padding:8px}.toast{font-size:13px;padding:10px 12px}}