@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono&display=swap";:root{--primary: #007bff;--primary-hover: #0056b3;--bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);--glass-bg: rgba(255, 255, 255, .85);--glass-border: rgba(255, 255, 255, .4);--text-main: #2d3436;--text-muted: #636e72;--shadow-premium: 0 10px 30px rgba(0, 0, 0, .08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg-gradient);min-height:100vh;color:var(--text-main);-webkit-font-smoothing:antialiased}#root{display:flex;flex-direction:column;height:100vh}.app-container{display:flex;flex-direction:column;height:100%;max-width:1400px;margin:0 auto;width:100%;padding:1.5rem;gap:1.5rem}header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:12px;box-shadow:var(--shadow-premium)}.logo{font-size:1.5rem;font-weight:800;background:linear-gradient(to right,#007bff,#00c6ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.main-content{display:flex;flex:1;gap:1.5rem;overflow:hidden}.editor-pane,.preview-pane{flex:1;display:flex;flex-direction:column;background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:16px;box-shadow:var(--shadow-premium);overflow:hidden;transition:all .3s ease}.pane-header{padding:.75rem 1.5rem;border-bottom:1px solid rgba(0,0,0,.05);display:flex;justify-content:space-between;align-items:center;background:#00000005}.pane-title{font-size:.85rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}textarea{flex:1;padding:2rem;border:none;background:transparent;resize:none;font-family:JetBrains Mono,monospace;font-size:.95rem;line-height:1.6;color:var(--text-main);outline:none}.preview-content{flex:1;padding:2rem;overflow-y:auto;background:#fff;margin:1rem;border-radius:8px;box-shadow:inset 0 0 10px #00000005}.toolbar{display:flex;gap:.5rem}button{padding:.6rem 1.2rem;border-radius:8px;border:none;background:#fff;color:var(--text-main);font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:.5rem;box-shadow:0 2px 4px #0000000d}button:hover{background:#f8f9fa;transform:translateY(-1px);box-shadow:0 4px 12px #0000001a}button.primary{background:var(--primary);color:#fff}button.primary:hover{background:var(--primary-hover)}.icon{width:1rem;height:1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.app-container>*{animation:fadeIn .5s ease forwards}