:root{font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:#18201d;background:#f4f6f5;font-synthesis:none;text-rendering:optimizeLegibility;letter-spacing:0;--ink: #18201d;--muted: #66716c;--paper: #f4f6f5;--surface: #ffffff;--line: #dce3df;--green: #167b59;--green-soft: #e7f3ed;--red: #c9554d;--red-soft: #f9eae8;--amber: #bd8123;--navy: #2c3a50;--shadow: 0 8px 24px rgba(24, 32, 29, .08)}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{min-width:320px;background:#e8eeeb}#app{width:min(100%,480px);min-height:100svh;margin:0 auto;background:var(--paper)}button,input{font:inherit;letter-spacing:0}button{cursor:pointer}a{color:inherit;text-decoration:none}.app-shell,.app-main{min-height:100svh}.app-shell{background:var(--paper)}.page-wrap{width:100%;padding:16px 16px calc(92px + env(safe-area-inset-bottom))}.brand-lockup{display:flex;align-items:center;gap:11px}.brand-lockup>span:last-child{display:grid;gap:2px}.brand-lockup strong{font-size:16px;line-height:1.2}.brand-lockup small{color:var(--muted);font-size:12px}.brand-mark{display:grid;width:38px;height:38px;place-items:center;border-radius:8px;background:var(--green);color:#fff;font-size:19px;font-weight:800}.mobile-topbar{display:flex;min-height:44px;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}.mobile-identity{display:flex;min-width:0;align-items:center;gap:10px}.mobile-identity>span:last-child{display:grid;min-width:0;gap:2px}.mobile-identity strong{overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}.mobile-identity small{overflow:hidden;color:var(--muted);font-size:11px;text-overflow:ellipsis;white-space:nowrap}.mobile-topbar .brand-mark{width:36px;height:36px;font-size:17px}.logout-button{display:grid;width:44px;height:44px;flex:0 0 auto;place-items:center;border:0;background:transparent;color:var(--muted)}.page-header{margin-bottom:22px}.eyebrow{margin:0 0 5px;color:var(--green);font-size:11px;font-weight:800;text-transform:uppercase}.page-header h1,.login-heading h1,.public-heading h1,.invalid-promotion h1{margin:0;font-size:25px;line-height:1.2}.bottom-nav{position:fixed;z-index:20;bottom:0;left:50%;display:grid;width:min(100%,480px);height:calc(66px + env(safe-area-inset-bottom));transform:translate(-50%);grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);background:#fffffff5;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{display:flex;min-width:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;color:#7b8680;font-size:11px}.bottom-nav a.active{color:var(--green);font-weight:700}.active-followers-band{display:flex;align-items:center;justify-content:space-between;min-height:98px;padding:18px 20px;border-radius:8px;background:var(--ink);color:#fff}.active-followers-band div{display:grid;gap:5px}.active-followers-band span{color:#cbd5d0;font-size:13px}.active-followers-band strong{font-size:31px;line-height:1}.content-section{margin-top:24px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:11px}.section-heading h2{margin:0;font-size:16px}.section-heading>span{display:flex;align-items:center;gap:4px;color:var(--muted);font-size:12px}.section-heading a{color:var(--green);font-size:12px;font-weight:700}.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.metric-card{display:grid;min-width:0;min-height:88px;align-content:space-between;padding:13px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.metric-card span{color:var(--muted);font-size:12px;white-space:nowrap}.metric-card strong{overflow:hidden;font-size:24px;line-height:1;text-overflow:ellipsis}.metric-card.tone-follow strong{color:var(--green)}.metric-card.tone-unfollow strong{color:var(--red)}.metric-card.tone-net{border-color:#c7ddd1;background:var(--green-soft)}.metric-card.tone-net strong{color:var(--green)}.metric-card.tone-neutral strong{color:var(--navy)}.trend-section{overflow:hidden;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.chart-legend{display:flex;justify-content:flex-end;gap:14px;margin-bottom:12px;color:var(--muted);font-size:11px}.chart-legend span{display:inline-flex;align-items:center;gap:5px}.chart-legend i{width:9px;height:9px;border-radius:2px}.legend-follow{background:var(--green)}.legend-unfollow{background:var(--red)}.trend-scroll{overflow-x:auto;scrollbar-width:thin}.trend-chart{display:flex;height:168px;align-items:flex-end;gap:6px;padding-top:8px;border-bottom:1px solid var(--line)}.trend-column{display:grid;width:34px;height:100%;flex:0 0 34px;grid-template-rows:1fr 24px;align-items:end;text-align:center}.bar-stage{display:flex;height:124px;align-items:flex-end;justify-content:center;gap:3px}.bar{display:block;width:11px;min-height:5px;border-radius:3px 3px 0 0}.follow-bar{background:var(--green)}.unfollow-bar{background:var(--red)}.trend-column small{color:#7a8580;font-size:10px}.segmented-control{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:4px;border:1px solid var(--line);border-radius:8px;background:#e9eeeb}.segmented-control button{display:flex;min-height:42px;align-items:center;justify-content:center;gap:7px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:13px;font-weight:700}.segmented-control button.active{background:var(--surface);color:var(--ink);box-shadow:0 2px 8px #18201d14}.range-control{max-width:300px;margin-bottom:18px}.qr-tool{width:min(100%,440px);margin:18px auto 0;padding:18px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.account-line{display:flex;align-items:center;gap:10px}.account-line>span:last-child{display:grid;gap:2px;min-width:0}.account-line small{color:var(--muted);font-size:11px}.account-line strong{overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}.account-avatar,.public-brand-mark{display:grid;width:40px;height:40px;place-items:center;border-radius:8px;background:var(--navy);color:#fff;font-weight:800}.qr-image-frame{width:min(100%,310px);aspect-ratio:1;margin:20px auto 14px;padding:8px;border:1px solid var(--line);background:#fff}.qr-image-frame img,.public-qr-frame img{display:block;width:100%;height:100%;object-fit:contain}.qr-code-label{display:flex;align-items:baseline;justify-content:center;gap:8px}.qr-code-label span{color:var(--muted);font-size:12px}.qr-code-label strong{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:17px}.landing-url-row{display:flex;min-width:0;align-items:center;gap:8px;margin-top:16px;padding:9px 10px;border:1px solid var(--line);border-radius:6px;background:var(--paper)}.landing-url-row>span{overflow:hidden;min-width:0;flex:1;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.landing-url-row button,.input-action{display:grid;width:34px;height:34px;flex:0 0 auto;place-items:center;border:0;background:transparent;color:var(--green)}.primary-button,.secondary-button{display:flex;min-height:46px;align-items:center;justify-content:center;gap:8px;border-radius:7px;font-weight:800}.primary-button{border:1px solid var(--green);background:var(--green);color:#fff}.secondary-button{border:1px solid var(--line);background:#fff;color:var(--ink)}.download-button{width:100%;margin-top:16px}.daily-list{margin-top:18px;border-top:1px solid var(--line)}.daily-row{display:flex;min-height:58px;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line)}.daily-row time{color:var(--navy);font-size:13px;font-weight:700}.daily-metrics{display:grid;min-width:180px;grid-template-columns:repeat(3,1fr);align-items:center;gap:8px;text-align:right;font-size:12px}.daily-metrics span{display:inline-flex;align-items:center;justify-content:flex-end;gap:3px}.daily-follow{color:var(--green)}.daily-unfollow{color:var(--red)}.daily-metrics strong{color:var(--navy);font-size:13px}.login-page{display:grid;min-height:100svh;align-items:center;padding:32px 20px;background:var(--surface)}.login-panel{width:min(100%,390px)}.login-brand{margin-bottom:52px}.login-heading{margin-bottom:28px}.login-heading h1{font-size:30px}.field-label{display:block;margin:18px 0 7px;color:var(--muted);font-size:12px;font-weight:700}.input-wrap{display:flex;min-height:50px;align-items:center;gap:10px;padding:0 11px;border:1px solid var(--line);border-radius:7px;background:#fbfcfb;color:#839089}.input-wrap:focus-within{border-color:var(--green);box-shadow:0 0 0 3px #167b591a}.input-wrap input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--ink);font-size:15px}.login-button{width:100%;margin-top:26px}.login-button:disabled{cursor:wait;opacity:.7}.form-error{margin:10px 0 0;color:var(--red);font-size:12px}.environment-tag{display:table;margin:28px auto 0;padding:4px 8px;border-radius:4px;background:#eef1f0;color:var(--muted);font-size:10px}.public-page{display:grid;min-height:100svh;place-items:center;padding:28px 20px;background:#f7f9f8}.public-loading{color:var(--green)}.public-follow{width:min(100%,410px)}.public-brand{display:flex;align-items:center;gap:11px}.public-brand>span:last-child{display:grid;gap:2px}.public-brand small{color:var(--muted);font-size:11px}.public-brand strong{font-size:15px}.public-heading{margin:42px 0 18px}.public-heading h1{font-size:27px}.public-heading p{margin:8px 0 0;color:var(--muted);font-size:13px}.public-qr-frame{width:min(100%,330px);aspect-ratio:1;margin:0 auto;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow)}.promotion-reference,.public-city-line{display:flex;align-items:center;justify-content:center;gap:6px}.promotion-reference{margin-top:18px;color:var(--green);font-size:13px;font-weight:800}.public-city-line{margin-top:8px;color:var(--muted);font-size:12px}.invalid-promotion{text-align:center;color:var(--red)}.invalid-promotion h1{margin-top:14px;color:var(--ink)}.invalid-promotion p{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.page-loading{display:grid;min-height:260px;place-items:center;color:var(--green)}.request-error{display:grid;min-height:260px;place-items:center;align-content:center;gap:10px;color:var(--red);text-align:center}.request-error strong{color:var(--ink);font-size:17px}.request-error p,.public-error-message{max-width:300px;margin:0;color:var(--muted);font-family:inherit;font-size:13px;line-height:1.6}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:600px){#app{box-shadow:0 0 36px #18201d1f}}@media(max-width:360px){.page-wrap{padding-right:12px;padding-left:12px}.metric-card{padding:12px 9px}.metric-card strong{font-size:21px}.segmented-control button{gap:4px;font-size:12px}.daily-metrics{min-width:164px;gap:4px}}