:root{--primary-50: #FFF7ED;--primary-100: #FFEDD5;--primary-200: #FED7AA;--primary-300: #FDBA74;--primary-400: #FB923C;--primary-500: #F97316;--primary-600: #EA580C;--primary-700: #C2410C;--primary-800: #9A3412;--cute-50: #FFF1F2;--cute-100: #FFE4E6;--cute-200: #FECDD3;--cute-300: #FDA4AF;--cute-400: #FB7185;--cute-500: #F43F5E;--color-mastered: #10B981;--color-mastered-bg: #D1FAE5;--color-mastered-text: #065F46;--color-not-mastered: #EF4444;--color-not-mastered-bg: #FEE2E2;--color-not-mastered-text: #991B1B;--color-warning: #F59E0B;--color-warning-bg: #FEF3C7;--color-info: #F97316;--color-info-bg: #FFF7ED;--color-success: #10B981;--color-success-bg: #D1FAE5;--text-primary: #292524;--text-secondary: #78716C;--text-tertiary: #A8A29E;--text-on-primary: #FFFFFF;--bg-page: #FFFBF5;--bg-card: #FFFFFF;--bg-canvas: #FFF7ED;--bg-hover: #FFF7ED;--bg-active: #FFEDD5;--border: #E7E5E4;--border-light: #F5F5F4;--border-focus: #F97316;--color-green-bg: #D1FAE5;--color-green-border: #6EE7B7;--color-green-text: #065F46;--color-red-bg: #FEE2E2;--color-red-border: #FCA5A5;--color-red-text: #991B1B;--font-family: "Inter", -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;--font-family-mono: "JetBrains Mono", "Courier New", monospace;--font-xs: .8125rem;--font-sm: 1rem;--font-base: 1.125rem;--font-lg: 1.375rem;--font-xl: 1.75rem;--font-2xl: 2.25rem;--font-3xl: 3rem;--font-4xl: 4rem;--word-size-sm: 3rem;--word-size-md: 5rem;--word-size-lg: 6.25rem;--word-size-xl: 7.5rem;--weight-regular: 400;--weight-medium: 500;--weight-semibold: 600;--weight-bold: 700;--leading-tight: 1.1;--leading-normal: 1.4;--leading-loose: 1.7;--space-1: .375rem;--space-2: .625rem;--space-3: 1rem;--space-4: 1.25rem;--space-5: 1.5rem;--space-6: 2rem;--space-8: 2.5rem;--space-10: 3rem;--space-12: 4rem;--space-16: 5rem;--space-20: 6rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.25rem;--radius-2xl: 1.75rem;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(249, 115, 22, .06);--shadow-md: 0 4px 12px rgba(249, 115, 22, .08);--shadow-lg: 0 8px 24px rgba(249, 115, 22, .1);--shadow-xl: 0 16px 48px rgba(249, 115, 22, .12);--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-bounce: cubic-bezier(.34, 1.56, .64, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--duration-fast: .15s;--duration-normal: .25s;--duration-slow: .4s;--nav-height: 56px;--status-bar-height: 32px;--control-bar-height: 80px;--content-max-width: 900px}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes celebrate{0%{transform:scale(1);opacity:1}50%{transform:scale(1.2);opacity:.8}to{transform:scale(1);opacity:1}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes spinProgress{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes countUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes scissorsCut{0%{transform:scale(1) rotate(0);opacity:1}60%{transform:scale(.9) rotate(10deg);opacity:.8}to{transform:scale(0) rotate(20deg);opacity:0}}@keyframes bounceIn{0%{transform:scale(.8);opacity:0}60%{transform:scale(1.05)}to{transform:scale(1);opacity:1}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@keyframes heartBeat{0%{transform:scale(1)}15%{transform:scale(1.15)}30%{transform:scale(1)}45%{transform:scale(1.1)}60%{transform:scale(1)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;height:100dvh;overflow:hidden}body{font-family:var(--font-family);color:var(--text-primary);background:var(--bg-page);line-height:var(--leading-normal);height:100dvh;overflow:hidden}#root{height:100dvh;display:flex;flex-direction:column;overflow:hidden}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:inherit}input,textarea{font-family:inherit;font-size:inherit}ul,ol{list-style:none}img{max-width:100%;display:block}:focus-visible{outline:3px solid var(--border-focus);outline-offset:2px;border-radius:var(--radius-sm)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}::selection{background:var(--primary-200);color:var(--text-primary)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skeleton{background:linear-gradient(90deg,var(--bg-hover) 25%,var(--border-light) 50%,var(--bg-hover) 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:var(--radius-md)}.page-container{width:100%;margin:0 auto;padding:var(--space-6);flex:1;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:var(--space-6);transition:box-shadow var(--duration-normal) var(--ease-out)}.card:hover{box-shadow:var(--shadow-md)}.empty-state,.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-16) var(--space-8);text-align:center;gap:var(--space-4)}.empty-state__icon,.error-state__icon{font-size:3rem;opacity:.4}.empty-state__text,.error-state__text{color:var(--text-secondary);font-size:var(--font-lg);max-width:360px}.error-state__text{color:var(--color-not-mastered)}.error-state__retry{margin-top:var(--space-2);padding:var(--space-3) var(--space-6);background:var(--primary-500);color:#fff;border-radius:var(--radius-md);font-weight:var(--weight-semibold);font-size:var(--font-base);transition:background var(--duration-fast) var(--ease-out)}.error-state__retry:hover{background:var(--primary-600)}.loading-section{display:flex;flex-direction:column;gap:var(--space-4)}.loading-section__card{height:120px;border-radius:var(--radius-xl);background:linear-gradient(90deg,var(--bg-hover) 25%,var(--border-light) 50%,var(--bg-hover) 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite}.loading-section__row{height:48px;border-radius:var(--radius-md);background:linear-gradient(90deg,var(--bg-hover) 25%,var(--border-light) 50%,var(--bg-hover) 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite}.banner{display:flex;align-items:center;justify-content:center;height:36px;font-size:var(--font-sm);font-weight:var(--weight-medium);gap:var(--space-2)}.banner--offline{background:#fef3c7;color:#92400e}.banner--error{background:var(--color-not-mastered-bg);color:var(--color-not-mastered-text)}.control-btn-secondary:hover{border-color:var(--primary-400)!important;background:var(--primary-50)!important}.control-btn-primary:hover{background:var(--primary-600)!important;transform:translateY(-2px);box-shadow:var(--shadow-md)!important}.control-btn-primary:active{background:var(--primary-700)!important;transform:translateY(0)}.control-btn-pause:hover{border-color:var(--primary-400)!important;background:var(--primary-50)!important}input:focus,textarea:focus,select:focus{border-color:var(--border-focus)!important;box-shadow:0 0 0 3px #f9731626}button:active:not(:disabled){transform:scale(.98)}@media(min-width:1920px){.page-container{max-width:1600px}}@media(max-width:1280px){.page-container{padding:var(--space-6)}:root{--space-8: 1.5rem;--space-6: 1.25rem}}@media(max-width:1024px){.page-container{padding:var(--space-4)}:root{--space-8: 1.25rem;--space-6: 1rem}}