@import"https://fonts.googleapis.com/css2?family=Comic+Neue:wght@700&display=swap";:root{--primary: #FF4136;--background: #f8f9fa;--text: #333;--panel-bg: white;--border-radius: 16px}*{box-sizing:border-box;touch-action:manipulation}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:var(--background);color:var(--text);-webkit-user-select:none;user-select:none}button{cursor:pointer;border:none;font-family:inherit}.letter-guide{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:0}.letter-guide svg{width:95%;height:95%}.letter-text{font-size:110;font-family:Comic Neue,Comic Sans MS,Chalkboard SE,sans-serif;font-weight:700;fill:none;stroke:#ccc;stroke-width:1.5;stroke-dasharray:3,3}.controls-container{display:flex;align-items:center;justify-content:center;gap:1rem;padding:.75rem 1rem;background-color:#fff;border-radius:16px;box-shadow:0 4px 12px #0000001a}.color-palette{display:flex;gap:.75rem}.color-btn{border-radius:50%;border:2px solid transparent;transition:all .2s cubic-bezier(.175,.885,.32,1.275)}.color-btn.active{border:3px solid #333;transform:scale(1.1)}.separator{width:2px;height:40px;background-color:#eee}.clear-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:12px;border:none;background-color:#ffdc00;color:#333;font-weight:700;font-size:.9rem}.clear-btn:hover{background-color:#e6c700}.clear-btn:active{transform:scale(.95)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0;overflow:hidden}.app-container{display:flex;flex-direction:column;height:100%;height:100dvh;background-color:#f8f9fa;color:#333;overflow:hidden}.app-header{padding:.5rem;background-color:#fff;box-shadow:0 2px 8px #0000000d;z-index:10;flex-shrink:0}.header-content{display:flex;justify-content:space-between;align-items:center;gap:.5rem;flex-wrap:wrap}.logo-container h1{margin:0;font-size:1.2rem;color:#ff4136;text-shadow:1px 1px 0px #000}.mode-toggle{display:flex;gap:.5rem;background:#f0f0f0;padding:.25rem;border-radius:8px}.mode-btn{font-size:.9rem;font-weight:700;padding:.4rem .8rem;border:2px solid transparent;background:#fff;border-radius:6px;cursor:pointer;color:#888;transition:all .2s}.mode-btn.active{background:#0074d9;color:#fff;border-color:#0056b3}.main-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:.5rem;gap:.5rem;overflow:hidden;min-height:0}.navigation-wrapper{display:flex;align-items:center;justify-content:center;gap:.5rem;flex:1;width:100%;min-height:0}.nav-btn.side-nav{background:#e8e8e8;border:none;border-radius:50%;width:44px;height:44px;min-width:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#333;transition:all .2s ease;flex-shrink:0}.nav-btn.side-nav:hover{background:#d0d0d0;color:#0074d9}.nav-btn.side-nav:active{transform:scale(.95)}.canvas-wrapper{position:relative;flex:1;aspect-ratio:1;max-height:100%;max-width:100%;background:#fff;border-radius:16px;border:3px solid #333;box-shadow:0 4px 16px #0000001a;overflow:hidden}.canvas-wrapper canvas{width:100%!important;height:100%!important;touch-action:none}.bottom-controls{width:100%;display:flex;justify-content:center;flex-shrink:0}.controls-container{padding:.5rem 1rem!important;gap:1rem!important}.color-btn{width:36px!important;height:36px!important}.color-btn.active{width:40px!important;height:40px!important}@media(min-width:769px){.letter-guide svg{width:80%!important;height:80%!important}.letter-guide svg text{font-size:80!important;stroke-width:1!important}}@media(orientation:landscape)and (max-height:500px){.app-header{padding:.25rem .5rem}.logo-container h1{font-size:1rem}.mode-btn{font-size:.8rem;padding:.3rem .6rem}.main-content{flex-direction:row;padding:.25rem}.navigation-wrapper{flex:1;height:100%}.canvas-wrapper{max-height:calc(100dvh - 60px)}.bottom-controls{position:absolute;bottom:.25rem;left:50%;transform:translate(-50%);width:auto;background:#fffffff2;border-radius:12px;box-shadow:0 2px 8px #0000001a}.controls-container{padding:.25rem .75rem!important;gap:.5rem!important}.color-btn{width:28px!important;height:28px!important}.color-btn.active{width:32px!important;height:32px!important}.action-btn{padding:6px 12px!important;font-size:.8rem!important}.nav-btn.side-nav{width:36px;height:36px;min-width:36px}.nav-btn.side-nav svg{width:20px;height:20px}}@media(min-width:768px)and (min-height:600px){.app-header{padding:1rem}.logo-container h1{font-size:1.8rem}.mode-toggle{gap:1rem;padding:.5rem;border-radius:12px}.mode-btn{font-size:1.2rem;padding:.5rem 1.5rem;border-radius:8px}.mode-btn.active{transform:scale(1.05);box-shadow:0 4px 6px #0000001a}.main-content{padding:1rem;gap:1rem}.navigation-wrapper{gap:2rem}.nav-btn.side-nav{width:80px;height:80px;min-width:80px}.nav-btn.side-nav:hover{transform:scale(1.1)}.canvas-wrapper{max-width:600px;border-radius:24px;border-width:4px}.controls-container{padding:1rem 2rem!important;gap:2rem!important;border-radius:16px!important}.color-btn{width:40px!important;height:40px!important}.color-btn.active{width:48px!important;height:48px!important}}