.app{min-height:100vh;display:flex;flex-direction:column}main.container{flex:1;padding-top:var(--spacing-2xl);padding-bottom:var(--spacing-2xl);display:grid;grid-template-columns:1fr 400px;gap:var(--spacing-2xl)}.editor-section{display:flex;flex-direction:column;gap:var(--spacing-lg)}.help-section{background:var(--bg-primary);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-md);height:fit-content;position:sticky;top:var(--spacing-lg)}.help-section h2{font-size:1.5rem;margin-bottom:var(--spacing-lg);color:var(--text-primary)}.help-section h3{font-size:1.125rem;margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md);color:var(--text-secondary)}.examples{display:flex;flex-direction:column;gap:var(--spacing-sm)}.example{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm);background:var(--bg-secondary);border-radius:var(--radius-md)}.example code{flex:0 0 120px;background:#fff}.example .bengali{font-size:1.25rem;color:var(--primary);font-weight:500}.tips{margin-top:var(--spacing-xl);padding-top:var(--spacing-xl);border-top:1px solid var(--border)}.tips ul{padding-left:var(--spacing-lg)}.tips li{margin-bottom:var(--spacing-sm);color:var(--text-secondary);line-height:1.6}@media (max-width: 1024px){main.container{grid-template-columns:1fr;gap:var(--spacing-xl)}.help-section{position:static}}@media (max-width: 768px){main.container{padding-top:var(--spacing-xl);padding-bottom:var(--spacing-xl)}.help-section{padding:var(--spacing-lg)}}.editor{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-lg);background:var(--bg-primary);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-md)}.editor-pane{display:flex;flex-direction:column;gap:var(--spacing-md)}.editor-header{display:flex;align-items:center;justify-content:space-between}.editor-header label{font-weight:600;font-size:.875rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.editor-actions{display:flex;gap:var(--spacing-sm)}.editor-input,.editor-output{width:100%;min-height:300px;padding:var(--spacing-md);border:2px solid var(--border);border-radius:var(--radius-md);font-size:1rem;line-height:1.6;resize:vertical;transition:border-color .2s}.editor-input{font-family:var(--font-mono)}.editor-input:focus{outline:none;border-color:var(--primary)}.editor-output{background:var(--bg-secondary);font-size:1.25rem;cursor:default}.editor-output::placeholder{color:var(--text-muted);font-size:1rem}@media (max-width: 768px){.editor{grid-template-columns:1fr;padding:var(--spacing-md)}.editor-input,.editor-output{min-height:200px}.editor-actions{flex-direction:column}.editor-actions .btn{width:100%;justify-content:center}}.suggestion-bar{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.suggestion-label{font-weight:600;font-size:.875rem;color:var(--text-secondary);flex-shrink:0}.suggestions{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);flex:1}.suggestion{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);font-size:.875rem;transition:all .2s}.suggestion:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-sm)}.suggestion-number{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;background:var(--border);border-radius:50%;font-size:.75rem;font-weight:600;color:var(--text-secondary)}.suggestion:hover .suggestion-number{background:#ffffff4d;color:#fff}.suggestion-word{font-size:1rem}@media (max-width: 768px){.suggestion-bar{flex-direction:column;align-items:flex-start}.suggestions{width:100%}.suggestion{flex:1;min-width:calc(50% - var(--spacing-sm) / 2);justify-content:center}}.header{background:var(--bg-primary);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}.header .container{display:flex;align-items:center;justify-content:space-between;padding-top:var(--spacing-lg);padding-bottom:var(--spacing-lg)}.header-content{display:flex;flex-direction:column;gap:var(--spacing-xs)}.logo{display:flex;align-items:center;gap:var(--spacing-md);font-size:1.75rem;font-weight:700;color:var(--primary)}.logo-en{color:var(--primary)}.logo-bn{font-size:1.5rem;color:var(--text-secondary)}.tagline{font-size:.875rem;color:var(--text-secondary);margin:0}.nav{display:flex;gap:var(--spacing-lg)}.nav-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);color:var(--text-secondary);text-decoration:none;font-weight:500;border-radius:var(--radius-md);transition:all .2s}.nav-link:hover{color:var(--primary);background:var(--bg-secondary)}@media (max-width: 768px){.header .container{flex-direction:column;gap:var(--spacing-lg);align-items:flex-start}.logo{font-size:1.5rem}.logo-bn{font-size:1.25rem}.nav{width:100%;justify-content:space-around}.nav-link{flex:1;justify-content:center}}.footer{background:var(--bg-primary);border-top:1px solid var(--border);padding:var(--spacing-xl) 0;margin-top:auto}.footer .container{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);text-align:center}.footer p{margin:0;color:var(--text-secondary);font-size:.875rem}.footer-links{display:flex;gap:var(--spacing-sm);flex-wrap:wrap;justify-content:center}.footer-links a{color:var(--text-secondary);text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--primary)}@media (max-width: 768px){.footer{padding:var(--spacing-lg) 0}.footer p{font-size:.8125rem}}:root{--primary: #2563eb;--primary-hover: #1d4ed8;--secondary: #64748b;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--border: #e2e8f0;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-bengali: "Kalpurush", "Noto Sans Bengali", "Vrinda", "Shonar Bangla", sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-secondary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.bengali{font-family:var(--font-bengali)}code{font-family:var(--font-mono);background:var(--bg-tertiary);padding:.125rem .375rem;border-radius:var(--radius-sm);font-size:.875em}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}button{font-family:inherit;border:none;cursor:pointer;transition:all .2s}.btn{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-size:.875rem;font-weight:500;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-secondary)}.btn-secondary:hover{background:var(--border);color:var(--text-primary)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}@media (max-width: 768px){.container{padding:0 var(--spacing-md)}}