@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";.shell-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-height);background-color:var(--color-bg-elevated);border-bottom:1px solid var(--color-border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.shell-header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-lg)}.shell-logo{display:flex;align-items:center;gap:var(--space-sm);text-decoration:none;font-family:var(--font-display);font-weight:700;font-size:var(--text-xl);color:var(--color-text);letter-spacing:-.02em;flex-shrink:0}.shell-logo-icon{color:var(--color-primary);font-size:var(--text-2xl);display:flex;align-items:center}.shell-logo-accent{color:var(--color-primary)}.shell-nav{display:flex;align-items:center;gap:var(--space-xs)}.shell-nav-link{position:relative;display:inline-flex;align-items:center;padding:var(--space-sm) var(--space-md);font-size:var(--text-sm);font-weight:500;color:var(--color-text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:color var(--transition-fast),background-color var(--transition-fast);white-space:nowrap}.shell-nav-link:hover{color:var(--color-text);background-color:var(--color-bg-surface-hover)}.shell-nav-link.active{color:var(--color-primary)}.shell-nav-link.active:after{content:"";position:absolute;bottom:-2px;left:var(--space-md);right:var(--space-md);height:2px;background-color:var(--color-primary);border-radius:1px}.shell-actions{display:flex;align-items:center;gap:var(--space-sm)}.shell-icon-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;border-radius:var(--radius-md);background-color:transparent;color:var(--color-text-secondary);cursor:pointer;transition:color var(--transition-fast),background-color var(--transition-fast);flex-shrink:0}.shell-icon-btn:hover{color:var(--color-text);background-color:var(--color-bg-surface-hover)}.shell-icon-btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.lang-indicator{position:absolute;bottom:4px;right:2px;font-size:9px;font-weight:700;line-height:1;color:var(--color-primary)}.lang-chevron{position:absolute;bottom:2px;left:4px;color:var(--color-text-tertiary);transition:transform var(--transition-fast)}.lang-chevron.open{transform:rotate(180deg)}.lang-dropdown{position:relative}.lang-trigger{width:auto;padding:0 8px;gap:2px}.lang-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:120px;background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 8px 24px #00000026;overflow:hidden;animation:fade-in .15s ease-out;z-index:100}.lang-option{display:block;width:100%;padding:10px 14px;text-align:left;font-size:var(--text-sm);font-family:var(--font-body);color:var(--color-text-secondary);background:none;border:none;cursor:pointer;transition:background-color var(--transition-fast),color var(--transition-fast)}.lang-option:hover{background-color:var(--color-bg-surface-hover);color:var(--color-text)}.lang-option.active{color:var(--color-primary);font-weight:600}@keyframes fade-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.shell-avatar-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-full);background-color:var(--color-primary-light);color:var(--color-primary);border:1px solid var(--color-border);cursor:pointer;transition:border-color var(--transition-fast),background-color 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#1a1710;--color-bg-surface: #211e16;--color-bg-surface-hover: #2a261c;--color-bg-inset: #15120d;--color-border: rgba(255, 248, 220, .08);--color-border-strong: rgba(255, 248, 220, .16);--color-border-subtle: rgba(255, 248, 220, .04);--color-text: #ede8d8;--color-text-secondary: #a89e88;--color-text-tertiary: #6e6554;--color-text-inverse: #12100a;--color-text-link: #eab308;--color-scrim: rgba(18, 16, 10, .7)}html:not(.dark){--color-bg: #f5f5f0;--color-bg-elevated: #ffffff;--color-bg-surface: #ffffff;--color-bg-surface-hover: #f0f0eb;--color-bg-inset: #ebebe5;--color-border: rgba(0, 0, 0, .1);--color-border-strong: rgba(0, 0, 0, .18);--color-border-subtle: rgba(0, 0, 0, .05);--color-text: #1a1a24;--color-text-secondary: #555568;--color-text-tertiary: #8a8a9e;--color-text-inverse: #f5f5f0;--color-text-link: #a16207;--color-scrim: rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;margin:0;padding:0}body{font-family:var(--font-body);font-size:var(--text-base);line-height:1.6;color:var(--color-text);background-color:var(--color-bg);transition:background-color var(--transition-base),color var(--transition-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}.app-shell{min-height:100vh;display:flex;flex-direction:column;background-color:var(--color-bg);color:var(--color-text)}.main-content{flex:1;width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-lg)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--color-text)}h1{font-size:var(--text-5xl)}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-lg)}.font-display{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;line-height:1.2}.font-body{font-family:var(--font-body);font-weight:400;line-height:1.6}a{color:var(--color-text-link);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}button{font-family:var(--font-body);cursor:pointer;border:none;background:none;color:inherit}input,textarea,select{font-family:var(--font-body);color:inherit}input::placeholder{color:var(--color-text-tertiary)}.text-primary{color:var(--color-primary)}.text-secondary{color:var(--color-text-secondary)}.text-tertiary{color:var(--color-text-tertiary)}.bg-base{background-color:var(--color-bg)}.bg-elevated{background-color:var(--color-bg-elevated)}.bg-surface{background-color:var(--color-bg-surface)}.bg-inset{background-color:var(--color-bg-inset)}.border-default{border-color:var(--color-border)}.border-strong{border-color:var(--color-border-strong)}.border-subtle{border-color:var(--color-border-subtle)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-inset)}::-webkit-scrollbar-thumb{background:var(--color-primary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary-hover)}::-webkit-scrollbar-corner{background:var(--color-bg-inset)}::-webkit-resizer{background:var(--color-bg)}.scroll-to-top{position:fixed;bottom:100px;right:32px;z-index:1000;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--color-primary);color:var(--color-text-inverse);border:1px 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slide-down{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.animate-fade-in{animation:fade-in .3s ease-out}.animate-slide-up{animation:slide-up .5s ease-out}.animate-slide-down{animation:slide-down .5s ease-out}.animate-pulse{animation:pulse 2s ease-in-out infinite}.skeleton{background:linear-gradient(90deg,transparent 0%,var(--color-primary-light) 50%,transparent 100%);background-size:1000px 100%;animation:shimmer 2s linear infinite;border-radius:4px}.page-loading{display:flex;align-items:center;justify-content:center;min-height:40vh}.page-loading-spinner{width:30px;height:30px;border:3px solid var(--color-primary-light);border-top-color:var(--color-primary);border-radius:50%;animation:page-loading-spin .8s linear infinite}@keyframes page-loading-spin{to{transform:rotate(360deg)}}@media (max-width: 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