:root{--stage-max: 832px;--stage-gutter: 20px;--stage-shell-max: calc(var(--stage-max) + (var(--stage-gutter) * 2));--rail-width: 72px;--sidebar-panel-width: 320px;--bg-primary: #131314;--bg-secondary: #1E1F20;--bg-tertiary: #2F3031;--surface-elevated: #28292A;--surface-card: #1E1F20;--border-subtle: transparent;--focus-ring: rgba(168,199,250,.3);--text-primary: #E3E3E3;--text-secondary: #C4C7C5;--text-tertiary: #9AA0A6;--accent: #A8C7FA;--accent-hover: #D3E3FD;--accent-active: #8AB4F8;--pill-bg: #2F3031;--pill-active: rgba(168,199,250,.12);--hover-overlay: rgba(255,255,255,.08);--error: #F2B8B5;--success: #81C995;--danger: #DB4437;--error-text: #FF8A80;--error-bg: #2A1A1A;--shadow-composer: 0 2px 8px rgba(0,0,0,.15), 0 0 0 1px rgba(255,255,255,.05);--shadow-sidebar: 2px 0 4px rgba(0,0,0,.1);--shadow-modal: 0 12px 48px rgba(0,0,0,.6);--shadow-card: 0 1px 3px rgba(0,0,0,.12);--radius-pill: 9999px;--radius-card: 24px;--radius-bubble: 20px;--radius-composer: 28px;--space-message-gap: 16px;--space-group-gap: 8px;font-family:Google Sans,Inter,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;line-height:1.6;font-weight:400;color-scheme:dark;color:var(--text-primary);background-color:var(--bg-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root[data-theme=light]{--bg-primary: #F8F9FA;--bg-secondary: #EEF0F1;--bg-tertiary: #E8EAED;--surface-elevated: #FFFFFF;--surface-card: #FFFFFF;--border-subtle: rgba(0,0,0,.1);--focus-ring: rgba(26,115,232,.25);--text-primary: #202124;--text-secondary: #3C4043;--text-tertiary: #5F6368;--accent: #1A73E8;--accent-hover: #185ABC;--accent-active: #1A73E8;--pill-bg: #FFFFFF;--pill-active: rgba(26,115,232,.1);--hover-overlay: rgba(0,0,0,.06);--error: #B3261E;--success: #137333;--danger: #B3261E;--error-text: #B3261E;--error-bg: #FCE8E6;--shadow-composer: 0 2px 8px rgba(60,64,67,.15), 0 0 0 1px rgba(0,0,0,.06);--shadow-sidebar: 2px 0 8px rgba(60,64,67,.1);--shadow-modal: 0 12px 48px rgba(60,64,67,.35);--shadow-card: 0 1px 3px rgba(60,64,67,.18);color-scheme:light}body{margin:0;padding:0;min-width:320px;min-height:100vh;background-color:var(--bg-primary);overflow:hidden}a{color:var(--accent);text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-hover)}h1,h2,h3{font-weight:500;color:var(--text-primary);line-height:1.2}button{border:none;background:transparent;color:var(--text-primary);cursor:pointer;border-radius:var(--radius-pill);display:flex;align-items:center;justify-content:center;transition:background-color .2s ease,transform .1s ease}button:hover:not(:disabled){background-color:var(--hover-overlay);transform:none}button:active:not(:disabled){transform:none}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible{outline:none;box-shadow:0 0 0 3px var(--focus-ring)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#444746;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#5e5e5e}@keyframes messageEnter{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%{transform:scale(.95);box-shadow:0 0 #4285f4b3}70%{transform:scale(1);box-shadow:0 0 0 20px #4285f400}to{transform:scale(.95);box-shadow:0 0 #4285f400}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media(max-width:768px){:root{font-size:14px}}@media(max-width:430px){button{min-width:44px;min-height:44px}}@supports (padding-bottom: env(safe-area-inset-bottom)){body{padding-bottom:env(safe-area-inset-bottom)}}