.bmr-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}@media (prefers-color-scheme:dark){.bmr-calculator-container: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:#3a3a2a;--title-color:#5dade2;--title-shadow:2px 2px 0 rgba(0,0,0,0.3);--btn-hover-overlay:rgba(255,255,255,0.1);--copy-btn-bg:#2d2d2d;--copy-btn-hover-bg:#3a3a3a}}.bmr-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:#3a3a2a;--title-color:#5dade2;--title-shadow:2px 2px 0 rgba(0,0,0,0.3);--btn-hover-overlay:rgba(255,255,255,0.1);--copy-btn-bg:#2d2d2d;--copy-btn-hover-bg:#3a3a3a}.bmr-calculator-container{max-width:1180px;margin:15px auto;padding:12px;background:var(--bg-primary);border:2px solid var(--border-color);border-radius:0;box-shadow:var(--shadow-lg);font-family:'Noto Sans KR','Malgun Gothic',sans-serif;color:var(--text-primary);box-sizing:border-box}.bmr-header{margin-bottom:15px;padding-bottom:12px;border-bottom:1px solid var(--border-color);text-align:center}.bmr-header-content{position:relative;margin-bottom:6px}.bmr-title{font-size:28px;font-weight:700;color:var(--title-color);margin:0;text-shadow:var(--title-shadow);text-align:center}.bmr-subtitle{font-size:14px;color:var(--text-secondary);margin:0}.bmr-dark-mode-toggle{position:absolute;top:0;right:0;background:var(--copy-btn-bg);border:1px solid var(--border-color);border-radius:0;padding:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s ease;box-shadow:var(--shadow-sm);color:var(--text-primary)}.bmr-dark-mode-toggle:hover{background:var(--copy-btn-hover-bg);transform:translate(-1px,-1px);box-shadow:3px 3px 0 rgba(0,0,0,.15)}.bmr-dark-mode-toggle:active{transform:translate(1px,1px);box-shadow:1px 1px 0 rgba(0,0,0,.1)}.bmr-main-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.bmr-section{background:var(--bg-section);border:1px solid var(--border-color);border-radius:0;padding:10px;box-shadow:var(--shadow-md)}.bmr-section-title{font-size:18px;font-weight:700;color:var(--text-primary);margin:0 0 12px 0;padding-bottom:8px;border-bottom:1px solid var(--border-color)}.bmr-input-group{margin-bottom:12px}.bmr-label{display:block;font-size:14px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.bmr-input,.bmr-select{width:100%;padding:10px;font-size:15px;font-family:'Noto Sans KR',sans-serif;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:0;color:var(--text-primary);box-sizing:border-box;transition:background 0.2s ease}.bmr-input:focus,.bmr-select:focus{outline:none;background:var(--input-focus-bg);border-color:var(--color-accent)}.bmr-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 16px;font-size:15px;font-weight:600;font-family:'Noto Sans KR',sans-serif;border-radius:0;cursor:pointer;transition:all 0.2s ease;border:none;color:#fff}.bmr-btn-icon{flex-shrink:0}.bmr-btn-primary{background:var(--color-accent);border:1.5px solid var(--border-color);box-shadow:var(--shadow-md);width:100%;margin-bottom:10px}.bmr-btn-primary:hover{filter:brightness(1.1);transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,.2)}.bmr-btn-primary:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(0,0,0,.15)}.bmr-btn-group{display:flex;gap:8px}.bmr-btn-secondary,.bmr-btn-warning{flex:1;border:1px solid var(--border-color);box-shadow:var(--shadow-sm);font-size:14px;padding:9px 12px}.bmr-btn-secondary{background:var(--color-purple)}.bmr-btn-warning{background:var(--color-warning)}.bmr-btn-secondary:hover,.bmr-btn-warning:hover{filter:brightness(1.1);transform:translate(-1px,-1px);box-shadow:3px 3px 0 rgba(0,0,0,.2)}.bmr-btn-secondary:active,.bmr-btn-warning:active{transform:translate(1px,1px);box-shadow:1px 1px 0 rgba(0,0,0,.1)}.bmr-btn-success{background:var(--color-success);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.bmr-btn-success:hover{filter:brightness(1.1);transform:translate(-1px,-1px);box-shadow:3px 3px 0 rgba(0,0,0,.2)}.bmr-btn-success:active{transform:translate(1px,1px);box-shadow:1px 1px 0 rgba(0,0,0,.1)}.bmr-result-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:0;padding:16px;margin-bottom:12px;text-align:center;box-shadow:var(--shadow-sm)}.bmr-result-label{font-size:13px;color:var(--text-secondary);margin-bottom:8px;font-weight:600}.bmr-result-value{font-size:32px;font-weight:700;font-family:'Courier New',monospace;color:var(--color-accent);margin-bottom:4px;word-break:break-all}.bmr-result-unit{font-size:16px;color:var(--text-secondary);font-weight:600}.bmr-info-box{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:0;padding:12px;margin-top:12px;box-shadow:var(--shadow-sm)}.bmr-info-title{font-size:14px;font-weight:700;color:var(--text-primary);margin-bottom:6px}.bmr-info-text{font-size:14px;color:var(--text-secondary);line-height:1.6}.bmr-toast{position:fixed;bottom:30px;right:30px;background:var(--color-success);color:#fff;padding:14px 20px;border:1px solid var(--border-color);border-radius:0;box-shadow:var(--shadow-md);font-size:15px;font-weight:600;opacity:0;transform:translateY(20px);transition:all 0.3s ease;pointer-events:none;z-index:1000;max-width:300px}.bmr-toast.show{opacity:1;transform:translateY(0);pointer-events:auto}@media (max-width:768px){.bmr-calculator-container{margin:10px;padding:10px}.bmr-main-grid{grid-template-columns:1fr;gap:10px}.bmr-title{font-size:24px}.bmr-result-value{font-size:28px}.bmr-toast{right:10px;left:10px;max-width:none}}@media (max-width:480px){.bmr-calculator-container{margin:8px;padding:8px}.bmr-title{font-size:22px}.bmr-subtitle{font-size:13px}.bmr-section{padding:8px}.bmr-result-value{font-size:24px}.bmr-btn-group{flex-direction:column;gap:6px}.bmr-btn-secondary,.bmr-btn-warning{width:100%}}