:root{color-scheme:light;--bg: #f6f8f9;--fg: #172026;--muted: #65727d;--line: #d7dee3;--surface: #ffffff;--primary: #0f766e;--primary-strong: #134e4a;--accent: #2563eb;--danger: #b42318;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--bg);color:var(--fg)}button{font:inherit}.app-shell{width:100%;min-height:100dvh;padding:18px;padding-top:calc(18px + env(safe-area-inset-top));padding-bottom:calc(24px + env(safe-area-inset-bottom))}.app-shell.with-tabs{padding-bottom:calc(94px + env(safe-area-inset-bottom))}.page-header{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.header-actions,.file-header-actions{display:flex;align-items:center;gap:6px}.header-actions{flex-shrink:0}.header-actions-slot:empty{display:none}.header-icon-button{min-width:36px;min-height:36px}.page-header h1{margin:2px 0 0;font-size:26px;line-height:1.15;letter-spacing:0}.eyebrow{margin:0;color:var(--muted);font-size:13px;font-weight:700}.summary-band{display:flex;align-items:center;justify-content:space-between;min-height:108px;margin:0 -18px 14px;padding:18px;background:var(--primary);color:#fff}.summary-band p{margin:0 0 4px;font-size:14px}.summary-band strong{display:block;font-size:40px;line-height:1;letter-spacing:0}.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:14px}.metric{min-height:76px;border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:10px}.metric span,.row span,.muted{color:var(--muted);font-size:13px}.metric strong{display:block;margin-top:8px;font-size:24px;letter-spacing:0}.section{margin:0 -18px 14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);padding:14px 18px}.section-title{display:flex;align-items:center;gap:8px;margin-bottom:12px}.section-title h2{margin:0;font-size:16px;letter-spacing:0}.invite-layout{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}.qr-box{display:grid;place-items:center;width:172px;height:172px;border:1px solid var(--line);border-radius:8px;background:#fff}.qr-box.large{width:252px;height:252px}.qr-box img{width:220px;height:220px;object-fit:contain}.qr-box.expired{position:relative}.qr-box.expired img,.qr-box.expired svg{filter:grayscale(1);opacity:.34}.qr-box.expired:after{content:"已过期";position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#ffffff94;color:var(--danger);font-size:24px;font-weight:800}.qr-missing{max-width:190px;margin:0;font-size:14px;line-height:1.55}.stack{display:flex;min-width:0;flex-direction:column;align-items:center;gap:10px}.centered{align-items:center;justify-content:center;text-align:center}.action-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:14px}.guide-box{width:min(100%,560px);margin:18px auto 0;border:1px solid var(--line);border-radius:8px;background:#f9fbfb;padding:14px;text-align:left}.guide-box h2{margin:0 0 10px;font-size:16px;letter-spacing:0}.guide-box ol{margin:0;padding-left:20px;color:var(--muted);font-size:14px;line-height:1.8}.icon-button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:42px;min-height:42px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--fg)}.button{padding:8px 14px;font-weight:700}.button.compact{min-width:auto;padding:8px 10px;white-space:nowrap}.button:disabled{cursor:not-allowed;background:#f1f4f5;color:var(--muted);opacity:.62}.danger-text{color:var(--danger);font-weight:700}.copy-row{display:flex;align-items:center;gap:8px;width:min(100%,560px);margin:0 auto;min-width:0;border:1px solid var(--line);border-radius:8px;padding:8px;text-align:left}.copy-row span{flex:1;min-width:0;overflow-wrap:anywhere;color:var(--muted);font-size:13px;line-height:1.45}.info-box{width:min(100%,560px);margin:4px auto 0;border:1px solid #b8d8d4;border-radius:8px;background:#eef8f6;padding:12px;text-align:left}.info-box.between-sections{width:auto;margin:0 0 14px}.info-box strong{display:block;margin-bottom:5px;color:var(--primary-strong);font-size:15px}.info-box p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.list{display:flex;flex-direction:column}.row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:58px;border-top:1px solid var(--line);padding:10px 0}.row:first-child{border-top:0}.row div{display:flex;min-width:0;flex-direction:column;gap:4px}.row strong{max-width:100%;overflow-wrap:anywhere;font-size:14px}.row b{color:var(--primary-strong)}.empty{color:var(--muted);font-size:14px;padding:12px 0}.chart-wrap{position:relative;width:100%;height:360px}.loading,.state-panel{min-height:calc(100dvh - 72px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center}.loading svg{animation:spin 1s linear infinite}.state-panel h2{margin:0;font-size:21px;letter-spacing:0}.state-panel p{max-width:320px;margin:0;color:var(--muted);line-height:1.6}.tab-state{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px 12px;color:var(--muted);text-align:center}.tab-state.is-loading svg{animation:spin 1s linear infinite}.tab-state h2{margin:0;color:var(--fg);font-size:18px;letter-spacing:0}.tab-state p{max-width:320px;margin:0;line-height:1.6}.bottom-tabs{position:fixed;right:0;bottom:0;left:0;z-index:20;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;border-top:1px solid var(--line);background:#fffffff5;padding:8px 12px calc(8px + env(safe-area-inset-bottom))}.icon-button.small{min-width:34px;min-height:34px}.icon-button.danger{color:var(--danger)}.file-section{padding-bottom:18px}.file-toolbar{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:12px}.file-breadcrumbs{display:flex;min-width:0;flex:1;flex-wrap:wrap;align-items:center;gap:4px}.file-breadcrumbs button{display:inline-flex;min-width:0;align-items:center;gap:4px;border:0;background:transparent;color:var(--primary-strong);font-size:13px;font-weight:800;padding:6px 2px}.file-breadcrumbs span{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-row-actions{position:relative;display:flex;flex-shrink:0;align-items:center;gap:6px}.file-action-menu{position:absolute;top:calc(100% + 6px);right:0;z-index:30;display:grid;min-width:132px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 14px 34px #17202629;padding:5px}.file-action-item{display:flex;min-height:36px;align-items:center;gap:8px;border:0;border-radius:6px;background:transparent;color:var(--fg);font-size:13px;font-weight:700;padding:8px 9px;text-align:left;white-space:nowrap}.file-action-item:hover:not(:disabled){background:#f3f7f7}.file-action-item.danger{color:var(--danger)}.file-action-empty{color:var(--muted);font-size:13px;padding:8px 9px;white-space:nowrap}.file-input{display:none}.file-notice{margin-bottom:10px;border:1px solid #b8d8d4;border-radius:8px;background:#eef8f6;color:var(--primary-strong);font-size:13px;font-weight:700;padding:8px 10px}.file-list{display:flex;flex-direction:column}.file-row{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:64px;border-top:1px solid var(--line);padding:9px 0}.file-row:first-child{border-top:0}.file-main{display:flex;min-width:0;flex:1;align-items:center;gap:10px;border:0;background:transparent;color:var(--fg);padding:4px 0;text-align:left}.file-main:disabled{color:var(--fg)}.file-main>svg{flex:0 0 auto;color:var(--primary-strong)}.file-main span{display:flex;min-width:0;flex-direction:column;gap:3px}.file-main strong{overflow-wrap:anywhere;font-size:14px}.file-main small{color:var(--muted);font-size:12px;line-height:1.35}.file-preview{position:fixed;inset:auto 10px calc(86px + env(safe-area-inset-bottom));z-index:35;display:flex;max-height:min(68dvh,720px);flex-direction:column;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 18px 50px #17202638}.file-preview-header{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:10px 12px}.file-preview-header strong{min-width:0;overflow-wrap:anywhere;font-size:14px}.file-preview-body{display:grid;min-height:220px;overflow:auto;place-items:center;padding:12px}.file-preview-body img,.file-preview-body video{max-width:100%;max-height:54dvh}.file-preview-body audio{width:min(100%,520px)}.file-preview-body iframe{width:100%;height:58dvh;border:0}.file-preview-body pre{width:100%;min-height:220px;margin:0;overflow:auto;border-radius:8px;background:#f5f7f8;color:#263238;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;line-height:1.55;padding:12px;white-space:pre-wrap;word-break:break-word}.tab-button{display:inline-flex;min-width:0;min-height:52px;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-size:12px;font-weight:700}.tab-button.active{background:#e6f4f1;color:var(--primary-strong)}.tab-button span{line-height:1.1}.copy-toast{position:fixed;top:calc(16px + env(safe-area-inset-top));left:50%;z-index:40;display:inline-flex;align-items:center;justify-content:center;gap:10px;width:min(calc(100% - 32px),420px);min-height:56px;border:1px solid var(--primary-strong);border-radius:8px;background:var(--primary-strong);color:#fff;box-shadow:0 14px 34px #134e4a47;font-size:17px;font-weight:800;transform:translate(-50%)}.copy-toast.error{border-color:var(--danger);background:var(--danger)}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:620px){.metric-grid{grid-template-columns:1fr}.file-toolbar{flex-direction:column}}