:root{--color-white: #ffffff;--color-black: #000000;--color-accent: #ff5757;--color-accent-light: #ff7a7a;--color-accent-dark: #e04040;--color-gray-50: #fafafa;--color-gray-100: #f5f5f5;--color-gray-200: #e5e5e5;--color-gray-300: #d4d4d4;--color-gray-400: #a3a3a3;--color-gray-500: #737373;--color-gray-600: #525252;--color-gray-700: #404040;--color-gray-800: #262626;--color-gray-900: #171717;--color-success: #22c55e;--color-warning: #eab308;--color-error: #ef4444;--color-info: #3b82f6;--font-sans: "DM Sans", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1);--safe-top: env(safe-area-inset-top);--safe-bottom: env(safe-area-inset-bottom);--safe-left: env(safe-area-inset-left);--safe-right: env(safe-area-inset-right);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-sans);font-size:16px;line-height:1.5;color:var(--color-black);background-color:var(--color-white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior:none;min-height:100vh;min-height:100dvh}#root{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;letter-spacing:-.02em}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}.mono{font-family:var(--font-mono);font-size:.875em}a{color:inherit;text-decoration:none}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none}button:disabled{cursor:not-allowed;opacity:.5}input,textarea,select{font-family:inherit;font-size:inherit;border:none;outline:none;background:none}input::placeholder,textarea::placeholder{color:var(--color-gray-400)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.container{width:100%;max-width:480px;margin:0 auto;padding-left:var(--space-4);padding-right:var(--space-4)}.safe-top{padding-top:max(var(--space-4),var(--safe-top))}.safe-bottom{padding-bottom:max(var(--space-4),var(--safe-bottom))}.scroll-area{overflow-y:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin}.scroll-area::-webkit-scrollbar{width:4px}.scroll-area::-webkit-scrollbar-thumb{background:var(--color-gray-300);border-radius:var(--radius-full)}.action-button{display:flex;align-items:center;justify-content:space-between;width:100%;padding:var(--space-5) var(--space-6);background:var(--color-black);color:var(--color-white);border-radius:var(--radius-xl);font-weight:500;font-size:1.125rem;transition:transform var(--transition-fast),box-shadow var(--transition-fast);touch-action:manipulation}.action-button:active{transform:scale(.98)}.action-button--accent{background:var(--color-accent)}.action-button--outline{background:transparent;color:var(--color-black);border:2px solid var(--color-black)}.action-button__icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center}.action-button__content{display:flex;flex-direction:column;align-items:flex-start;text-align:left}.action-button__subtitle{font-size:.8125rem;font-weight:400;opacity:.8;margin-top:var(--space-1)}.action-button--with-subtitle{padding:var(--space-4) var(--space-5)}.action-button--disabled{opacity:.5;cursor:not-allowed}.action-button__badge{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em;padding:var(--space-1) var(--space-2);background:var(--color-gray-200);color:var(--color-gray-600);border-radius:var(--radius-full)}:root{--color-accent-rgb: 255, 87, 87}.card{background:var(--color-white);border:1px solid var(--color-gray-200);border-radius:var(--radius-lg);padding:var(--space-4)}.card--interactive{cursor:pointer;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.card--interactive:hover{border-color:var(--color-gray-300)}.card--interactive:active{border-color:var(--color-accent);box-shadow:0 0 0 3px #ff57571a}.input-field{display:block;width:100%;padding:var(--space-4);background:var(--color-gray-50);border:2px solid transparent;border-radius:var(--radius-lg);font-size:1rem;transition:border-color var(--transition-fast),background var(--transition-fast)}.input-field:focus{background:var(--color-white);border-color:var(--color-black)}.label{display:block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-gray-500);margin-bottom:var(--space-2)}.badge{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-3);font-size:.75rem;font-weight:600;border-radius:var(--radius-full);background:var(--color-gray-100);color:var(--color-gray-700)}.badge--accent{background:var(--color-accent);color:var(--color-white)}.badge--success{background:var(--color-success);color:var(--color-white)}.sync-status{display:flex;align-items:center;gap:var(--space-2);font-size:.875rem;color:var(--color-gray-500)}.sync-status__dot{width:8px;height:8px;border-radius:var(--radius-full);background:var(--color-success)}.sync-status__dot--offline{background:var(--color-warning)}.sync-status__dot--syncing{background:var(--color-info);animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.page-enter{opacity:0;transform:translateY(10px)}.page-enter-active{opacity:1;transform:translateY(0);transition:opacity var(--transition-slow),transform var(--transition-slow)}.page-exit{opacity:1}.page-exit-active{opacity:0;transition:opacity var(--transition-fast)}.voice-recording{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);padding:var(--space-8)}.voice-recording__waves{display:flex;align-items:center;gap:var(--space-1);height:40px}.voice-recording__wave{width:4px;background:var(--color-accent);border-radius:var(--radius-full);animation:wave .5s ease-in-out infinite}.voice-recording__wave:nth-child(1){animation-delay:0s;height:20px}.voice-recording__wave:nth-child(2){animation-delay:.1s;height:30px}.voice-recording__wave:nth-child(3){animation-delay:.2s;height:40px}.voice-recording__wave:nth-child(4){animation-delay:.3s;height:30px}.voice-recording__wave:nth-child(5){animation-delay:.4s;height:20px}@keyframes wave{0%,to{transform:scaleY(1)}50%{transform:scaleY(.5)}}.code-block{background:var(--color-gray-900);color:var(--color-gray-100);padding:var(--space-4);border-radius:var(--radius-lg);font-family:var(--font-mono);font-size:.8125rem;line-height:1.6;overflow-x:auto;white-space:pre-wrap;word-break:break-word}.code-block .tag{color:var(--color-accent)}.code-block .attr{color:#93c5fd}.code-block .string{color:#86efac}.level-collection{color:var(--color-accent)}.level-series{color:#8b5cf6}.level-subseries{color:#3b82f6}.level-file{color:#22c55e}.level-item{color:#eab308}.level-box{color:#f97316}