:root{--color-primary: #217346;--color-primary-hover: #1B5E3F;--color-primary-light: #F0F9FF;--color-primary-50: rgba(33, 115, 70, .05);--color-primary-100: rgba(33, 115, 70, .1);--color-primary-200: rgba(33, 115, 70, .2);--color-text-primary: #1F2937;--color-text-secondary: #374151;--color-text-muted: #6B7280;--color-border: #E5E7EB;--color-border-focus: var(--color-primary);--color-background: #FFFFFF;--color-background-secondary: #F9FAFB;--color-background-tertiary: #F3F4F6;--color-success: #10B981;--color-warning: #F59E0B;--color-error: #EF4444;--color-error-background: #FEF2F2;--color-info: #3B82F6;--font-family-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-family-mono: "Monaco", "Menlo", "Consolas", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: 2.5rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--radius-sm: 4px;--radius-base: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-base: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .1);--focus-ring: 0 0 0 3px var(--color-primary-100);--focus-ring-offset: 2px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--container-max-width: 1200px;--container-padding: var(--space-8);--header-height: 80px;--z-dropdown: 1000;--z-sticky: 1010;--z-overlay: 1020;--z-modal: 1030;--z-tooltip: 1040}*{box-sizing:border-box}body{margin:0;padding:0;font-family:var(--font-family-primary);line-height:var(--line-height-normal);background-color:var(--color-background);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{min-height:100vh}.option1{background:var(--color-background);color:var(--color-text-primary);font-family:var(--font-family-primary);min-height:100vh;position:relative}.logo-container{position:fixed;top:var(--space-6);left:var(--space-6);display:flex;align-items:center;gap:var(--space-2);z-index:var(--z-sticky)}.logo{width:44px;height:44px;object-fit:contain}.settings-container{position:fixed;top:var(--space-6);right:var(--space-6);z-index:var(--z-dropdown)}.settings-btn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:#fffc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-lg);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-base);box-shadow:0 8px 32px #0000001a}.settings-btn:hover{background:#f0f9ffe6;border-color:var(--color-primary);color:var(--color-primary);box-shadow:0 12px 48px #21734633;transform:translateY(-2px)}.settings-btn:focus-visible{outline:none;box-shadow:var(--focus-ring),0 12px 48px #21734633}.settings-btn.active{background:#217346e6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:var(--color-primary);color:var(--color-background);box-shadow:0 16px 56px #2173464d}.settings-dropdown{position:absolute;top:calc(100% + var(--space-2));right:0;width:320px;background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--space-5);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all var(--transition-base)}.settings-dropdown.show{opacity:1;visibility:visible;transform:translateY(0)}.settings-header{margin-bottom:var(--space-5);padding-bottom:var(--space-3);border-bottom:1px solid var(--color-border)}.settings-header h4{margin:0 0 var(--space-1) 0;font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.settings-header p{margin:0;font-size:var(--font-size-sm);color:var(--color-text-muted)}.settings-field{margin-bottom:var(--space-4)}.settings-field:last-child{margin-bottom:0}.settings-field label{display:block;font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-2)}.settings-field select{width:100%;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm);background:var(--color-background);color:var(--color-text-primary);font-family:var(--font-family-primary);transition:all var(--transition-base);appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");background-position:right var(--space-3) center;background-repeat:no-repeat;background-size:16px 16px;padding-right:var(--space-10);min-height:40px}.settings-field select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-100)}.settings-field select:hover{border-color:var(--color-primary)}.option1 .container{max-width:var(--container-max-width);margin:0 auto;padding:var(--space-12) var(--container-padding)}.option1 h1{color:var(--color-primary);font-size:3.5rem;font-weight:var(--font-weight-bold);margin-bottom:var(--space-4);text-align:center;letter-spacing:-.025em}.option1 .subtitle{color:var(--color-text-muted);font-size:1.375rem;text-align:center;margin-bottom:var(--space-12);font-weight:var(--font-weight-normal)}.option1 .main-content{display:grid;grid-template-columns:1fr;gap:var(--space-8);max-width:900px;margin:0 auto}.option1 .input-section{order:1}.option1 .generate-section{order:2}.option1 .result-section{order:3}.option1 label{display:block;font-weight:var(--font-weight-medium);color:var(--color-text-secondary);margin-bottom:var(--space-3);font-size:var(--font-size-sm);letter-spacing:.025em;text-transform:uppercase}.option1 textarea{width:100%;min-height:140px;padding:var(--space-5);border:2px solid var(--color-border);border-radius:var(--radius-lg);font-size:var(--font-size-lg);font-family:var(--font-family-primary);font-weight:var(--font-weight-medium);resize:none;transition:all var(--transition-base),opacity var(--transition-slow);background-color:var(--color-background);line-height:var(--line-height-relaxed);color:var(--color-text-primary);box-shadow:var(--shadow-base)}.option1 textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:var(--focus-ring),var(--shadow-base);background-color:var(--color-background);transform:translateY(-1px)}.option1 textarea::placeholder{color:var(--color-text-muted);font-style:italic;transition:opacity var(--transition-base);font-family:var(--font-family-mono)}.option1 textarea:focus::placeholder{opacity:.7}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.option1 textarea[placeholder*="|"]::placeholder{animation:none}.option1 .generate-btn{width:100%;padding:var(--space-5) var(--space-8);background:var(--color-primary);color:var(--color-background);border:none;border-radius:var(--radius-lg);font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-base);letter-spacing:.025em;min-height:56px;font-family:var(--font-family-primary);box-shadow:var(--shadow-sm)}.option1 .generate-btn:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.option1 .generate-btn:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.option1 .generate-btn:focus-visible{box-shadow:var(--focus-ring),var(--shadow-md)}.option1 .result-section{margin-top:var(--space-8)}.option1 .result-header{margin-bottom:var(--space-3);display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:var(--space-4)}.option1 .result-label{font-weight:var(--font-weight-medium);color:var(--color-text-muted);font-size:var(--font-size-sm);margin:0;text-transform:uppercase;letter-spacing:.05em;flex-shrink:0;white-space:nowrap}.option1 .result-formula{background:var(--color-background-tertiary);border:none;border-left:3px solid var(--color-primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:var(--space-1) 0 var(--space-1) var(--space-4);font-family:var(--font-family-mono);font-size:var(--font-size-sm);color:var(--color-text-primary);position:relative;line-height:1.6;white-space:pre-wrap;word-break:break-word;overflow-wrap:break-word;hyphens:auto;width:fit-content;min-width:100%;max-width:100%;box-sizing:border-box;min-height:auto;height:auto;text-indent:0;margin:0}.option1 .result-formula span{display:inline;text-indent:0;margin:0;padding:0}.option1 .result-formula *{text-indent:0;margin:0;padding:0}.option1 .result-section.error-state .result-formula{background:var(--color-error-background);border-left-color:var(--color-error);color:var(--color-error)}.option1 .result-formula{display:block}.option1 .result-formula #formula-text{display:block;text-align:left}.formula-function{color:var(--color-primary);font-weight:var(--font-weight-semibold)}.formula-reference{color:var(--color-info)}.formula-string{color:#8b5a2b}.formula-number{color:#d97706}.formula-operator{color:var(--color-text-muted);font-weight:var(--font-weight-medium)}.option1 .copy-btn{padding:var(--space-2) var(--space-4);background:var(--color-primary);color:var(--color-background);border:none;border-radius:var(--radius-md);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-base);text-transform:uppercase;letter-spacing:.05em;min-height:32px;flex-shrink:0;white-space:nowrap}.option1 .copy-btn:hover{background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.option1 .copy-btn:active{transform:translateY(0)}.option1 .generate-btn:disabled{opacity:.7;cursor:not-allowed;background:var(--color-text-muted)}.option1 .generate-btn.loading{position:relative;color:transparent}.option1 .generate-btn.loading:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:20px;height:20px;border:2px solid var(--color-background);border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}.app-footer{position:fixed;bottom:0;left:0;right:0;padding:var(--space-4);text-align:center;background:#fffc;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-top:1px solid rgba(255,255,255,.1);z-index:var(--z-sticky)}.footer-tagline{margin:0;font-size:var(--font-size-sm);font-style:italic;color:var(--color-text-muted);font-weight:var(--font-weight-normal)}.option1 .main-content{max-width:min(900px,100% - 2rem)}@media (max-width: 768px){:root{--container-padding: var(--space-4);--space-12: var(--space-8)}.option1 .container{padding:var(--space-8) var(--container-padding)}.option1 h1{font-size:2.5rem;margin-bottom:var(--space-3)}.option1 .subtitle{font-size:1.125rem;margin-bottom:var(--space-8)}.option1 .main-content{max-width:100%;gap:var(--space-6)}.option1 textarea{min-height:120px;font-size:var(--font-size-base);padding:var(--space-4)}.option1 .generate-btn{padding:var(--space-4) var(--space-6);font-size:var(--font-size-base);min-height:48px}.option1 .result-header{flex-direction:column;align-items:flex-start;gap:var(--space-2)}.option1 .copy-btn{align-self:flex-end}.settings-dropdown{width:280px;right:-10px}.logo-container,.settings-container{top:var(--space-4)}.logo-container{left:var(--space-4)}.settings-container{right:var(--space-4)}}@media (max-width: 640px){:root{--container-padding: var(--space-3);--space-12: var(--space-6)}.option1 .container{padding:var(--space-6) var(--container-padding)}.option1 h1{font-size:2rem;margin-bottom:var(--space-2)}.option1 .subtitle{font-size:1rem;margin-bottom:var(--space-6);line-height:var(--line-height-normal)}.option1 .main-content{gap:var(--space-4)}.option1 textarea{min-height:100px;padding:var(--space-3);font-size:var(--font-size-sm)}.option1 .generate-btn{padding:var(--space-3) var(--space-4);font-size:var(--font-size-sm);min-height:44px}.option1 .result-formula{font-size:var(--font-size-xs);padding:var(--space-2) 0 var(--space-2) var(--space-3);line-height:1.5}.option1 .copy-btn{padding:var(--space-1) var(--space-3);font-size:.625rem;min-height:28px}.settings-dropdown{width:calc(100vw - 2rem);right:-1rem;left:auto;max-width:320px}.logo-container,.settings-container{top:var(--space-3)}.logo-container{left:var(--space-3)}.settings-container{right:var(--space-3)}.logo,.settings-btn{width:36px;height:36px}.app-footer{padding:var(--space-3)}.footer-tagline{font-size:.75rem}}@media (max-width: 480px){.option1 .main-content{margin:0}.option1 .result-formula{font-size:.7rem;word-break:break-all}.settings-dropdown{width:calc(100vw - 1.5rem);right:-.75rem}}@media (max-width: 768px) and (orientation: landscape){.option1 h1{font-size:2rem;margin-bottom:var(--space-2)}.option1 .subtitle{margin-bottom:var(--space-4)}.option1 .container{padding:var(--space-4) var(--container-padding)}}@media (-webkit-min-device-pixel-ratio: 2),(min-resolution: 192dpi){.logo{image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.option1 textarea[placeholder*="|"]::placeholder{animation:none}}