:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.5;font-weight:400;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{width:100%;min-height:100vh}:root,[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--border-color: #e2e8f0;--accent-color: #6366f1;--accent-hover: #4f46e5;--accent-light: #eef2ff;--success-color: #22c55e;--danger-color: #ef4444;--danger-hover: #dc2626;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: #334155;--accent-color: #818cf8;--accent-hover: #6366f1;--accent-light: #1e1b4b;--success-color: #4ade80;--danger-color: #f87171;--danger-hover: #ef4444;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5)}*{box-sizing:border-box;margin:0;padding:0}.app{min-height:100vh;background-color:var(--bg-secondary);color:var(--text-primary);display:flex;flex-direction:column;transition:background-color .3s ease,color .3s ease}.header{background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);padding:1rem 1.5rem;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.header-content{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.75rem}.logo svg{width:32px;height:32px;color:var(--accent-color)}.logo h1{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.theme-toggle{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;padding:.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.theme-toggle:hover{background:var(--accent-light);border-color:var(--accent-color)}.theme-toggle svg{width:20px;height:20px;color:var(--text-secondary)}.toast{position:fixed;top:5rem;right:1.5rem;background-color:var(--bg-primary);color:var(--success-color);padding:.875rem 1.25rem;border-radius:10px;box-shadow:var(--shadow-lg);border:1px solid var(--border-color);font-weight:500;font-size:.9rem;z-index:1000;animation:toastSlide .3s ease-out}@keyframes toastSlide{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.main{flex:1;max-width:1400px;width:100%;margin:0 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.toggle-knob{transform:translate(20px)}.select-option{display:flex;align-items:center;gap:.75rem}.select-label{font-size:.875rem;font-weight:500;color:var(--text-secondary)}.select-option select{padding:.5rem 2rem .5rem .75rem;border:1px solid var(--border-color);border-radius:8px;background-color:var(--bg-primary);color:var(--text-primary);font-size:.875rem;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .5rem center;transition:border-color .2s ease}.select-option select:hover{border-color:var(--accent-color)}.select-option select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px var(--accent-light)}.editor-panel{flex:1;min-height:0}.editor-container{display:grid;grid-template-columns:1fr auto 1fr;gap:1rem;height:100%;min-height:450px}.editor-box{display:flex;flex-direction:column;background-color:var(--bg-primary);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.editor-header{display:flex;justify-content:space-between;align-items:center;padding:.875rem 1rem;background-color:var(--bg-tertiary);border-bottom:1px solid var(--border-color)}.editor-title{font-weight:600;font-size:.875rem;color:var(--text-primary)}.editor-count{font-size:.75rem;color:var(--text-muted);background-color:var(--bg-primary);padding:.25rem .625rem;border-radius:20px}.editor-textarea{flex:1;width:100%;padding:1rem;border:none;resize:none;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:.875rem;line-height:1.6;background-color:var(--bg-primary);color:var(--text-primary)}.editor-textarea:focus{outline:none}.editor-textarea::placeholder{color:var(--text-muted)}.action-buttons{display:flex;flex-direction:column;gap:.75rem;justify-content:center;padding:1rem 0}.btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;border:none;border-radius:10px;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s ease;min-width:110px}.btn svg{width:18px;height:18px}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--accent-light);border-color:var(--accent-color);color:var(--accent-color)}.btn-ghost{background-color:transparent;color:var(--danger-color);border:1px solid var(--danger-color)}.btn-ghost:hover{background-color:var(--danger-color);color:#fff}.footer{text-align:center;padding:1rem;color:var(--text-muted);font-size:.8rem;border-top:1px solid var(--border-color);background-color:var(--bg-primary)}@media(max-width:900px){.editor-container{grid-template-columns:1fr;grid-template-rows:1fr auto 1fr}.action-buttons{flex-direction:row;justify-content:center;padding:.5rem}.editor-box{min-height:200px}}@media(max-width:600px){.header-content{padding:0}.logo h1{font-size:1rem}.options-grid{gap:1rem}.toggle-option,.select-option{flex-direction:column;align-items:flex-start;gap:.5rem}.action-buttons{flex-wrap:wrap}.btn{flex:1;min-width:80px}}