:root{--bg: #0a0a0c;--bg-gradient: radial-gradient(ellipse at 50% 0%, #14141a 0%, #0a0a0c 70%);--surface: #111115;--surface-hover: #18181d;--border: rgba(255, 255, 255, .08);--border-hover: rgba(255, 255, 255, .14);--text: rgba(255, 255, 255, .92);--text-secondary: rgba(255, 255, 255, .6);--text-muted: rgba(255, 255, 255, .4);--accent: #22c55e;--accent-hover: #16a34a;--shadow: 0 16px 40px rgba(0, 0, 0, .4);--shadow-sm: 0 4px 12px rgba(0, 0, 0, .3);--r-lg: 20px;--r-md: 14px;--r-sm: 10px;--r-pill: 999px;--transition: .18s ease;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--bg);background-image:var(--bg-gradient);color:var(--text);min-height:100vh;line-height:1.5}.app{width:100%;padding:48px 24px 100px;min-height:100vh;display:flex;flex-direction:column;align-items:center}.header{text-align:center;margin-bottom:40px;width:100%;max-width:900px}.header h1{font-size:2.25rem;font-weight:600;letter-spacing:-.02em;margin-bottom:8px}.subtitle{color:var(--text-secondary);font-size:1rem}.main{display:grid;grid-template-columns:1fr 280px 1fr;gap:20px;align-items:start;width:100%;max-width:1200px}@media (max-width: 1000px){.main{grid-template-columns:1fr 1fr;max-width:800px}.options-panel{grid-column:1 / -1;order:-1}}@media (max-width: 650px){.main{grid-template-columns:1fr;max-width:500px}}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:400px}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border);background:#ffffff05}.panel-title{display:flex;align-items:center;gap:14px}.panel-title>span{font-weight:500;font-size:.875rem;color:var(--text)}.stats{display:flex;gap:8px;font-size:.7rem;color:var(--text-muted)}.stats span{padding:2px 6px;background:#ffffff0a;border-radius:var(--r-sm)}.panel-actions{display:flex;gap:8px}.panel textarea{width:100%;flex:1;min-height:300px;padding:18px;background:transparent;border:none;color:var(--text);font-family:SF Mono,JetBrains Mono,monospace;font-size:.875rem;line-height:1.7;resize:none;outline:none}.panel textarea::placeholder{color:var(--text-muted)}.panel textarea:focus{background:#ffffff03}.output-panel textarea{color:var(--accent)}.options-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow)}.section-title{font-size:.875rem;font-weight:600;color:var(--text);margin-bottom:18px;letter-spacing:.02em}.options-grid{display:flex;flex-direction:column;gap:4px}.option-row{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;cursor:pointer;border-radius:var(--r-md);transition:background var(--transition)}.option-row:hover{background:#ffffff0a}.option-row input[type=checkbox]{width:18px;height:18px;margin-top:2px;accent-color:var(--accent);cursor:pointer;flex-shrink:0}.option-content{display:flex;flex-direction:column;gap:2px}.option-label{font-size:.875rem;font-weight:500;color:var(--text)}.option-desc{font-size:.75rem;color:var(--text-muted)}.case-section{margin-top:20px;padding-top:20px;border-top:1px solid var(--border)}.setting-label{display:block;font-size:.75rem;font-weight:500;color:var(--text-secondary);margin-bottom:12px;text-transform:uppercase;letter-spacing:.04em}.case-options{display:flex;flex-wrap:wrap;gap:8px}.case-btn{padding:8px 14px;font-size:.8125rem;font-weight:500;color:var(--text-secondary);background:#ffffff0a;border:1px solid var(--border);border-radius:var(--r-md);cursor:pointer;transition:all var(--transition);font-family:var(--font-sans)}.case-btn:hover{background:#ffffff14;color:var(--text)}.case-btn.active{background:var(--accent);color:#000;border-color:var(--accent)}.btn-ghost{padding:6px 12px;font-size:.8125rem;font-weight:500;color:var(--text-secondary);background:transparent;border:none;border-radius:var(--r-sm);cursor:pointer;transition:all var(--transition);font-family:var(--font-sans)}.btn-ghost:hover{color:var(--text);background:#ffffff0f}.btn-primary{padding:8px 16px;font-size:.8125rem;font-weight:500;background:#fff;color:#000;border:none;border-radius:var(--r-pill);cursor:pointer;transition:all var(--transition);font-family:var(--font-sans)}.btn-primary:hover:not(:disabled){background:#f0f0f0;box-shadow:var(--shadow-sm)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-primary.copied{background:var(--accent);color:#000}.footer{position:fixed;bottom:0;left:0;right:0;padding:16px;text-align:center;background:linear-gradient(to top,var(--bg) 60%,transparent);pointer-events:none}.footer a{pointer-events:auto;font-size:.75rem;color:var(--text-muted);text-decoration:none;padding:6px 14px;background:#ffffff0a;border-radius:var(--r-pill);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition)}.footer a:hover{color:var(--text-secondary);background:#ffffff14}@media (max-width: 650px){.app{padding:32px 16px 100px}.header h1{font-size:1.75rem}.header{margin-bottom:28px}.panel{min-height:280px}.panel-header{flex-direction:column;align-items:flex-start;gap:10px}.panel-title{width:100%;justify-content:space-between}.panel-actions{width:100%;justify-content:flex-end}.case-options{flex-direction:column}.case-btn{width:100%;text-align:center}}