:root,[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f6f8fc;--bg-tertiary: #edf2fc;--bg-hover: #f2f2f2;--bg-active: #d3e3fd;--bg-selected: #c2dbff;--bg-surface: #ffffff;--bg-overlay: rgba(0, 0, 0, .4);--text-primary: #1f1f1f;--text-secondary: #5f6368;--text-tertiary: #80868b;--text-on-accent: #ffffff;--text-link: #1a73e8;--accent: #1a73e8;--accent-hover: #1765cc;--accent-light: #d3e3fd;--accent-text: #1a73e8;--compose-bg: #c2e7ff;--compose-text: #001d35;--compose-hover: #a8d8f0;--border: #e0e0e0;--border-light: #f0f0f0;--border-focus: #1a73e8;--sidebar-bg: #f6f8fc;--sidebar-hover: #e9eef6;--sidebar-active: #d3e3fd;--sidebar-text: #1f1f1f;--sidebar-width: 256px;--mail-unread-bg: #ffffff;--mail-read-bg: #f6f8fc;--mail-hover: #f2f6fc;--mail-selected: #c2dbff;--star-active: #f4b400;--star-inactive: #c4c7c5;--danger: #d93025;--danger-bg: #fce8e6;--success: #188038;--success-bg: #e6f4ea;--shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, .3);--shadow-md: 0 1px 3px 1px rgba(60, 64, 67, .15);--shadow-lg: 0 4px 8px 3px rgba(60, 64, 67, .15);--header-height: 64px;--header-bg: #f6f8fc;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--radius-full: 9999px;--transition: .2s ease;--z-sidebar: 100;--z-header: 200;--z-compose: 300;--z-modal: 400;--z-toast: 500}[data-theme=dark]{--bg-primary: #1f1f1f;--bg-secondary: #2d2d2d;--bg-tertiary: #333333;--bg-hover: #3c3c3c;--bg-active: #004a77;--bg-selected: #004a77;--bg-surface: #2d2d2d;--bg-overlay: rgba(0, 0, 0, .6);--text-primary: #e8eaed;--text-secondary: #9aa0a6;--text-tertiary: #71767b;--text-on-accent: #ffffff;--text-link: #8ab4f8;--accent: #8ab4f8;--accent-hover: #aecbfa;--accent-light: #004a77;--accent-text: #8ab4f8;--compose-bg: #004a77;--compose-text: #c2e7ff;--compose-hover: #005a8e;--border: #3c4043;--border-light: #333333;--border-focus: #8ab4f8;--sidebar-bg: #1f1f1f;--sidebar-hover: #333333;--sidebar-active: #004a77;--sidebar-text: #e8eaed;--mail-unread-bg: #2d2d2d;--mail-read-bg: #1f1f1f;--mail-hover: #333333;--mail-selected: #004a77;--star-active: #f4b400;--star-inactive: #5f6368;--danger: #f28b82;--danger-bg: #3c2020;--success: #81c995;--success-bg: #1e3a2b;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .6);--shadow-md: 0 1px 3px 1px rgba(0, 0, 0, .4);--shadow-lg: 0 4px 8px 3px rgba(0, 0, 0, .4);--header-bg: #2d2d2d}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:Google Sans,Roboto,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;line-height:1.5;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{height:100%}a{color:var(--text-link);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}input,textarea,select{font-family:inherit;font-size:inherit;color:var(--text-primary);background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;outline:none;transition:border-color var(--transition)}input:focus,textarea:focus,select:focus{border-color:var(--border-focus)}.material-symbols-outlined{font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 24;vertical-align:middle;-webkit-user-select:none;user-select:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.flex-1{flex:1}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-full);color:var(--text-secondary);transition:background var(--transition),color var(--transition)}.icon-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:var(--radius-full);font-size:11px;font-weight:500;background:var(--danger);color:var(--text-on-accent)}[data-tooltip]{position:relative}[data-tooltip]:after{content:attr(data-tooltip);position:absolute;bottom:-32px;left:50%;transform:translate(-50%);padding:4px 8px;font-size:12px;background:var(--text-primary);color:var(--bg-primary);border-radius:var(--radius-sm);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity var(--transition)}[data-tooltip]:hover:after{opacity:1}.checkbox{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border:2px solid var(--text-tertiary);border-radius:2px;cursor:pointer;transition:all var(--transition);position:relative}.checkbox:checked{background:var(--accent);border-color:var(--accent)}.checkbox:checked:after{content:"";position:absolute;left:4px;top:1px;width:6px;height:10px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg)}