Pomodoro Timer App'ini Tek Kodla Üret!

You are an expert web developer. Create a complete, standalone, responsive Pomodoro timer web application using only HTML, CSS, and JavaScript in a single HTML file. Key features: circular visual timer, customizable [WORK DURATION IN MINUTES] work sessions, [SHORT BREAK DURATİON İN MİNUTES] short breaks, [LONG BREAK DURATION IN MINUTES] long breaks after 4 cycles, start/pause/reset buttons, session cycle counter, sound notifications for start/end (use Web Audio API with a simple beep), dark/light mode toggle, and [PRİMARY COLOR SCHEME] color theme. Make it modern, mobile-friendly with touch support, and include localStorage to save settings. Output only the full HTML code with embedded CSS and JS, no explanations.