:root,[data-theme=light]{--bg-base: #f5f5f7;--bg-surface: #ffffff;--bg-elevated: #ffffff;--bg-sunken: #ecedf0;--bg-hover: rgba(0,0,0,.03);--bg-active: rgba(0,0,0,.06);--bg-selected: rgba(0,113,227,.06);--text-primary: #1d1d1f;--text-secondary: #6e6e73;--text-muted: #aeaeb2;--text-inverse: #ffffff;--border-subtle: rgba(0,0,0,.06);--border-default: rgba(0,0,0,.1);--border-strong: rgba(0,0,0,.16);--border-focus: rgba(0,113,227,.5);--accent: #d97706;--accent-hover: #b45309;--accent-soft: rgba(217,119,6,.08);--accent-glow: rgba(217,119,6,.1);--success: #34c759;--success-soft: rgba(52,199,89,.1);--warning: #ff9f0a;--warning-soft: rgba(255,159,10,.1);--danger: #ff3b30;--danger-soft: rgba(255,59,48,.08);--glass-bg: rgba(255,255,255,.72);--glass-bg-heavy: rgba(255,255,255,.88);--glass-border: rgba(255,255,255,.6);--glass-highlight: linear-gradient(180deg, rgba(255,255,255,.8) 0%, rgba(255,255,255,0) 100%);--glass-blur: 20px;--glass-saturate: 1.8;--glass-inner-shadow: inset 0 1px 0 rgba(255,255,255,.6);--glow-amber: radial-gradient(ellipse 600px 400px at 30% 20%, rgba(217,119,6,.08) 0%, transparent 70%);--glow-purple: radial-gradient(ellipse 500px 350px at 70% 80%, rgba(175,82,222,.06) 0%, transparent 70%);--glow-emerald: radial-gradient(ellipse 400px 300px at 80% 30%, rgba(16,185,129,.04) 0%, transparent 70%);--shadow-xs: 0 1px 2px rgba(0,0,0,.04);--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);--shadow-lg: 0 8px 28px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);--shadow-xl: 0 16px 48px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.06);--shadow-glow: 0 0 20px rgba(0,113,227,.15);--shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-card-hover: 0 4px 12px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.06);--shadow-composer: 0 -2px 16px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);--shadow-drawer: 8px 0 30px rgba(0,0,0,.1);--shadow-sheet: 0 -8px 30px rgba(0,0,0,.12)}[data-theme=dark]{--bg-base: #0a0a0c;--bg-surface: #18181b;--bg-elevated: #27272a;--bg-sunken: #0a0a0c;--bg-hover: rgba(255,255,255,.04);--bg-active: rgba(255,255,255,.08);--bg-selected: rgba(10,132,255,.12);--text-primary: #f5f5f7;--text-secondary: #98989d;--text-muted: #636366;--text-inverse: #000000;--border-subtle: rgba(255,255,255,.06);--border-default: rgba(255,255,255,.1);--border-strong: rgba(255,255,255,.16);--border-focus: rgba(10,132,255,.5);--accent: #f59e0b;--accent-hover: #fbbf24;--accent-soft: rgba(245,158,11,.12);--accent-glow: rgba(245,158,11,.1);--success: #30d158;--success-soft: rgba(48,209,88,.12);--warning: #ffd60a;--warning-soft: rgba(255,214,10,.12);--danger: #ef4444;--danger-soft: rgba(239,68,68,.1);--glass-bg: rgba(28,28,30,.72);--glass-bg-heavy: rgba(28,28,30,.92);--glass-border: rgba(255,255,255,.08);--glass-highlight: linear-gradient(180deg, rgba(255,255,255,.05) 0%, rgba(255,255,255,0) 100%);--glass-inner-shadow: inset 0 1px 0 rgba(255,255,255,.05);--glow-amber: radial-gradient(ellipse 600px 400px at 30% 20%, rgba(245,158,11,.06) 0%, transparent 70%);--glow-purple: radial-gradient(ellipse 500px 350px at 70% 80%, rgba(175,82,222,.05) 0%, transparent 70%);--glow-emerald: radial-gradient(ellipse 400px 300px at 80% 30%, rgba(16,185,129,.03) 0%, transparent 70%);--shadow-xs: 0 1px 2px rgba(0,0,0,.2);--shadow-sm: 0 1px 3px rgba(0,0,0,.2), 0 1px 2px rgba(0,0,0,.15);--shadow-md: 0 4px 12px rgba(0,0,0,.25), 0 1px 3px rgba(0,0,0,.15);--shadow-lg: 0 8px 28px rgba(0,0,0,.3), 0 2px 6px rgba(0,0,0,.15);--shadow-xl: 0 16px 48px rgba(0,0,0,.4), 0 4px 12px rgba(0,0,0,.2);--shadow-glow: 0 0 20px rgba(10,132,255,.2);--shadow-card: 0 1px 3px rgba(0,0,0,.2), 0 1px 2px rgba(0,0,0,.15);--shadow-card-hover: 0 4px 12px rgba(0,0,0,.25), 0 1px 3px rgba(0,0,0,.15);--shadow-composer: 0 -2px 16px rgba(0,0,0,.15), 0 4px 16px rgba(0,0,0,.2);--shadow-drawer: 8px 0 30px rgba(0,0,0,.4);--shadow-sheet: 0 -8px 30px rgba(0,0,0,.4)}:root{--font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;--font-mono: "SF Mono", "JetBrains Mono", "Cascadia Code", "Consolas", ui-monospace, monospace;--text-xs: 11px;--text-sm: 13px;--text-base: 14px;--text-lg: 16px;--text-xl: 20px;--text-2xl: 24px;--text-3xl: clamp(24px, 5vw, 32px);--text-4xl: clamp(28px, 6vw, 40px);--s-1: 4px;--s-2: 8px;--s-3: 12px;--s-4: 16px;--s-5: 20px;--s-6: 24px;--s-8: 32px;--s-10: 40px;--s-12: 48px;--r-xs: 4px;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 20px;--r-2xl: 24px;--r-full: 9999px;--topbar-h: 48px;--sidebar-w: 260px;--mobile-nav-h: 52px;--composer-max-w: 780px;--chat-max-w: 780px;--ease-out: cubic-bezier(.2, .8, .2, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--ease-smooth: cubic-bezier(.4, 0, .2, 1);--ease-bounce: cubic-bezier(.68, -.55, .265, 1.55);--duration-fast: .12s;--duration-normal: .2s;--duration-slow: .32s;--duration-sheet: .36s;--duration-page: .4s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInScale{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes slideInLeft{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes slideInUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes blink{50%{opacity:0}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes breathe{0%,to{transform:scale(1);opacity:.6}50%{transform:scale(1.05);opacity:1}}@keyframes glow-pulse{0%,to{opacity:.4}50%{opacity:.8}}@keyframes stagger-fade-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}:root{--palette-graphite: #374151;--palette-amber: #d97706;--palette-emerald: #059669;--palette-violet: #7c3aed;--palette-rose: #e11d48;--palette-slate: #475569;--palette-zinc: #52525b;--palette-stone: #78716c;--palette-warm-lime: #84cc16;--palette-midnight: #1e293b}:root{--z-dropdown: 50;--z-sheet: 100;--z-drawer: 170;--z-overlay: 180;--z-popover: 199;--z-toast: 300}:root{--icon-xs: 12px;--icon-sm: 16px;--icon-md: 20px;--icon-lg: 28px;--icon-xl: 36px;--icon-2xl: 48px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{height:100%;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;scroll-behavior:smooth}body,#root{height:100%;font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-base);line-height:1.5}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea,select{font-family:inherit;color:inherit}textarea{-webkit-appearance:none}img{max-width:100%;display:block}@supports (padding: env(safe-area-inset-bottom)){.composer-wrap{padding-bottom:calc(8px + env(safe-area-inset-bottom))}}.composer-wrap{padding-bottom:max(8px,env(safe-area-inset-bottom,0px))}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;height:100dvh;background:var(--bg-base)}.loading-spinner{width:20px;height:20px;border:2px solid var(--border-subtle);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}.spin{animation:spin .7s linear infinite}.app-shell{display:flex;flex-direction:column;height:100vh;height:100dvh;background:var(--bg-base);position:relative;overflow:hidden}.app-shell:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:var(--glow-amber),var(--glow-purple);pointer-events:none;z-index:0;opacity:.5}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 var(--s-3);height:var(--topbar-h);background:var(--glass-bg-heavy);border-bottom:1px solid var(--border-subtle);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);flex-shrink:0;z-index:100;position:relative}.topbar-left,.topbar-right,.logo{display:flex;align-items:center;gap:var(--s-2)}.logo-icon{color:var(--accent);display:flex}.logo-text{font-size:var(--text-base);font-weight:600;letter-spacing:-.01em}.menu-btn{display:flex;padding:var(--s-2);border-radius:var(--r-sm);color:var(--text-secondary);transition:background var(--duration-fast),transform var(--duration-fast) var(--ease-spring);-webkit-tap-highlight-color:transparent;min-width:44px;min-height:44px;align-items:center;justify-content:center}.menu-btn:hover{background:var(--bg-hover)}.menu-btn:active{transform:scale(.94)}.user-menu-wrap{position:relative}.user-avatar-btn{padding:0;border-radius:var(--r-full);transition:transform var(--duration-fast) var(--ease-spring);-webkit-tap-highlight-color:transparent;min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center}.user-avatar-btn:active{transform:scale(.9)}.user-avatar{width:36px;height:36px;border-radius:var(--r-full);background:var(--accent);color:var(--text-inverse);font-size:var(--text-xs);font-weight:600;display:flex;align-items:center;justify-content:center}.user-dd-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:199}.user-dropdown{position:absolute;top:calc(100% + 6px);right:0;width:240px;background:var(--glass-bg-heavy);border:1px solid var(--border-default);border-radius:var(--r-lg);box-shadow:var(--shadow-xl);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:var(--s-1);z-index:200;animation:fadeInScale var(--duration-normal) var(--ease-spring);transform-origin:top right}.user-dd-header{padding:var(--s-3) var(--s-3) var(--s-2)}.user-dd-name{font-weight:600;font-size:var(--text-sm)}.user-dd-email{font-size:var(--text-xs);color:var(--text-secondary);margin-top:2px;overflow:hidden;text-overflow:ellipsis}.user-dd-divider{height:1px;background:var(--border-subtle);margin:var(--s-1) 0}.user-dd-item{display:flex;align-items:center;gap:var(--s-3);width:100%;padding:10px var(--s-3);border-radius:var(--r-sm);font-size:var(--text-sm);transition:background var(--duration-fast);text-align:left;-webkit-tap-highlight-color:transparent;min-height:44px}.user-dd-item:hover{background:var(--bg-hover)}.user-dd-item:active{background:var(--bg-active)}.user-dd-item svg{width:16px;height:16px;color:var(--text-secondary);flex-shrink:0}.user-dd-danger{color:var(--danger)}.user-dd-danger svg{color:var(--danger)}.body{display:flex;flex:1;overflow:hidden;position:relative;z-index:1}.drawer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;z-index:150;animation:fadeIn var(--duration-normal) ease;-webkit-tap-highlight-color:transparent;-webkit-backdrop-filter:none;backdrop-filter:none}.drawer{position:fixed;top:0;left:0;bottom:0;width:280px;max-width:85vw;background:var(--bg-surface);z-index:160;display:flex;flex-direction:column;transform:translate(-100%);transition:transform var(--duration-sheet) var(--ease-out);box-shadow:var(--shadow-drawer);will-change:transform;border-right:1px solid var(--border-subtle)}.drawer-open{transform:translate(0)}.drawer-header{display:flex;align-items:center;justify-content:space-between;padding:var(--s-3);gap:var(--s-2)}.drawer-close{padding:var(--s-2);border-radius:var(--r-sm);color:var(--text-muted);-webkit-tap-highlight-color:transparent;min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;transition:background var(--duration-fast),transform var(--duration-fast) var(--ease-spring)}.drawer-close:hover{background:var(--bg-hover)}.drawer-close:active{transform:scale(.92)}.new-chat-btn{display:flex;align-items:center;gap:var(--s-2);flex:1;padding:10px var(--s-3);background:var(--accent);color:var(--text-inverse);border-radius:var(--r-md);font-size:var(--text-sm);font-weight:500;transition:background var(--duration-fast),transform var(--duration-fast) var(--ease-spring);justify-content:center;min-height:44px}.new-chat-btn:hover{background:var(--accent-hover)}.new-chat-btn:active{transform:scale(.97)}.new-chat-btn svg{width:16px;height:16px}.drawer-nav{flex:1;overflow-y:auto;padding:0 var(--s-2);display:flex;flex-direction:column;gap:1px}.drawer-nav-bottom{flex:none}.drawer-divider{height:1px;background:var(--border-subtle);margin:var(--s-2) var(--s-3)}.drawer-link{display:flex;align-items:center;gap:var(--s-3);padding:10px var(--s-3);border-radius:var(--r-sm);font-size:var(--text-sm);color:var(--text-secondary);transition:all var(--duration-fast);white-space:nowrap;-webkit-tap-highlight-color:transparent;min-height:44px}.drawer-link:hover{background:var(--bg-hover);color:var(--text-primary)}.drawer-link:active{background:var(--bg-active)}.drawer-link-active{background:var(--accent-soft);color:var(--accent);font-weight:500}.drawer-link svg{width:18px;height:18px;flex-shrink:0}.drawer-footer{padding:var(--s-3);border-top:1px solid var(--border-subtle)}.drawer-user{display:flex;align-items:center;gap:var(--s-3)}.drawer-user-info{flex:1;min-width:0}.drawer-user-name{font-size:var(--text-sm);font-weight:600;overflow:hidden;text-overflow:ellipsis}.drawer-user-email{font-size:var(--text-xs);color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis}.main{flex:1;overflow:hidden;display:flex;flex-direction:column;position:relative}.toast-container{position:fixed;top:calc(var(--topbar-h) + var(--s-3));right:var(--s-3);z-index:999;display:flex;flex-direction:column;gap:var(--s-2);max-width:360px;width:calc(100vw - 24px);pointer-events:none}.toast{display:flex;align-items:center;gap:var(--s-3);padding:12px var(--s-4);border-radius:var(--r-md);font-size:var(--text-sm);animation:fadeInUp var(--duration-normal) var(--ease-spring);background:var(--glass-bg-heavy);border:1px solid var(--border-default);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:var(--shadow-lg);pointer-events:auto;min-height:44px}.toast svg{width:16px;height:16px;flex-shrink:0}.toast-error{border-color:var(--danger)}.toast-error svg{color:var(--danger)}.toast-success{border-color:var(--success)}.toast-success svg{color:var(--success)}.toast-info{border-color:var(--accent)}.toast-info svg{color:var(--accent)}.skeleton{background:linear-gradient(90deg,var(--bg-hover) 25%,var(--bg-active) 50%,var(--bg-hover) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--r-sm)}@media (max-width: 768px){.logo-text{display:none}.topbar{padding:0 var(--s-2)}.user-dropdown{right:calc(-1 * var(--s-2))}}@media (min-width: 769px){.drawer{width:260px}}@media (max-width: 430px){.topbar{padding:0 var(--s-1)}.user-avatar{width:32px;height:32px}.logo-text,.mobile-nav-link span{display:none}.drawer{width:100vw;max-width:100vw}}@media (max-width: 375px){.topbar-right{gap:var(--s-1)}.mobile-nav-link{font-size:9px}}.mobile-bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:var(--mobile-nav-h, 52px);background:var(--bg-elevated, #1a1a1a);border-top:1px solid var(--border-default, #333);z-index:100;justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom,0px)}.mobile-nav-link{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10px;color:var(--text-secondary, #888);text-decoration:none;padding:4px 0;flex:1;min-height:44px;justify-content:center}.mobile-nav-link-active{color:var(--accent, #f59e0b)}@media (max-width: 768px){.mobile-bottom-nav{display:flex}.app-shell{padding-bottom:var(--mobile-nav-h, 52px)}}*{min-width:0}p,li,td,th,span,div{overflow-wrap:break-word;word-break:break-word}h1,h2,h3,h4{text-wrap:balance}button,a{flex-shrink:0}pre{max-width:100%;overflow-x:auto}table{display:block;max-width:100%;overflow-x:auto}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:var(--r-full)}::-webkit-scrollbar-thumb:hover{background:var(--border-strong)}::selection{background:var(--accent-soft);color:var(--accent)}.sheet-enter{animation:fadeInUp var(--duration-sheet) var(--ease-spring)}.dropdown-enter{animation:fadeInScale var(--duration-normal) var(--ease-spring)}.drawer-enter{animation:slideInRight .32s cubic-bezier(.25,.46,.45,.94)}.overlay-enter{animation:fadeIn .2s ease}.thinking-pulse{animation:pulse 1.5s ease-in-out infinite}.cursor-blink{animation:blink 1s step-end infinite}@keyframes breathe{0%,to{transform:scale(1);opacity:.6}50%{transform:scale(1.08);opacity:1}}input:focus,textarea:focus{border-color:var(--accent)!important;box-shadow:0 0 0 3px var(--accent-soft)!important}button:active:not(:disabled){transform:scale(.97)}@keyframes cardFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-2px)}}.card-hover{transition:transform var(--duration-normal) var(--ease-spring),box-shadow var(--duration-normal) var(--ease-spring),border-color var(--duration-normal) var(--ease-spring)}.card-hover:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:var(--border-default)}.card-hover:active{transform:translateY(0) scale(.99)}.title-gradient{background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent) 150%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.empty-glow{position:relative}.empty-glow:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:200px;height:200px;background:var(--accent-glow);border-radius:50%;filter:blur(40px);opacity:.3;pointer-events:none;animation:breathe 6s ease-in-out infinite}.empty-icon{animation:breathe 4s ease-in-out infinite}.status-running{animation:pulse 1.5s ease-in-out infinite}.page-enter{animation:fadeInUp .3s cubic-bezier(.25,.46,.45,.94)}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton-shimmer{background:linear-gradient(90deg,var(--bg-hover) 25%,var(--bg-active) 50%,var(--bg-hover) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}.btn-glow{box-shadow:0 2px 8px var(--accent-glow);transition:box-shadow var(--duration-fast),transform var(--duration-fast) var(--ease-spring)}.btn-glow:hover{box-shadow:0 4px 16px var(--accent-glow)}.btn-glow:active{transform:scale(.97)}.page-ambient:before{content:"";position:fixed;top:0;left:0;right:0;height:300px;background:var(--glow-amber);opacity:.3;pointer-events:none;z-index:0;mask:linear-gradient(180deg,black 0%,transparent 100%);-webkit-mask:linear-gradient(180deg,black 0%,transparent 100%)}
