:root{color:#1d1d1f;font-synthesis:none;background:#f5f5f7;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer;border:0}button:disabled{opacity:.42;cursor:not-allowed}.shell{min-height:100vh}.topbar{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);z-index:5;background:#ffffffd1;border-bottom:1px solid #e9e9ed;align-items:center;gap:42px;height:68px;padding:0 max(28px,50vw - 620px);display:flex;position:sticky;top:0}.brand{cursor:pointer;white-space:nowrap;align-items:center;gap:9px;font-size:16px;font-weight:700;display:flex}.brand>span,.mark{color:#fff;background:#087cff;border-radius:8px;place-items:center;width:31px;height:31px;display:grid}.mark{width:48px;height:48px}.mark.small{flex:none;width:34px;height:34px}.topbar nav{gap:4px;height:100%;display:flex}.topbar nav button{color:#6e6e73;background:0 0;border-bottom:2px solid #0000;padding:0 14px}.profile{align-items:center;gap:9px;margin-left:auto;display:flex}.profile>span{color:#087cff;background:#dceeff;border-radius:50%;place-items:center;width:31px;height:31px;font-weight:700;display:grid}.profile b,.profile small{font-size:12px;display:block}.profile small{color:#86868b;margin-top:2px}.icon{color:#86868b;background:0 0;margin-left:8px;padding:6px}.page{max-width:1240px;margin:auto;padding:66px 28px 82px}.hero-page{padding-top:0}.hero{color:#fff;background:#050505;min-height:430px;margin:0 -28px 54px;padding:82px max(28px,50vw - 620px);position:relative;overflow:hidden}.hero h1,.teacher-hero h1,.page-heading h1,.login-copy h1{letter-spacing:0;margin:10px 0 16px;font-size:clamp(40px,5vw,72px);line-height:1.05}.hero em,.teacher-hero em{color:#72b6ff;font-style:normal}.hero>p:not(.eyebrow){color:#a1a1a6;max-width:420px;margin-bottom:28px;font-size:18px;line-height:1.55}.eyebrow{letter-spacing:0;color:#087cff;text-transform:uppercase;margin:0;font-size:11px;font-weight:700}.primary{color:#fff;background:#087cff;border-radius:7px;justify-content:center;align-items:center;gap:7px;padding:11px 15px;font-weight:650;transition:transform .2s,background .2s;display:inline-flex}.primary:hover{background:#006ddb;transform:translateY(-1px)}.secondary{color:#343438;background:#f0f1f4;border-radius:7px;padding:9px 12px;font-size:13px;font-weight:600}.hero-rings{width:290px;height:290px;position:absolute;top:50%;right:8%;transform:translateY(-50%)}.hero-rings i{border:1px solid #ffffff42;border-radius:50%;position:absolute;inset:0}.hero-rings i:nth-child(2){inset:34px}.hero-rings i:nth-child(3){background:#087cff;border:0;inset:68px;box-shadow:0 0 85px #087cff}.metric-grid{grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:56px;display:grid}.metric{background:#fff;border:1px solid #e6e6ea;border-radius:8px;min-height:144px;padding:24px}.metric>span{color:#515158;background:#f0f1f4;border-radius:7px;place-items:center;width:34px;height:34px;display:grid}.metric p{color:#86868b;margin:18px 0 3px;font-size:13px}.metric strong{letter-spacing:0;font-size:28px}.two-col{grid-template-columns:1fr 1fr;gap:64px;display:grid}.section-title,.manage-head{justify-content:space-between;align-items:end;margin-bottom:16px;display:flex}.section-title h2,.manage-head h2{margin:5px 0 0;font-size:22px}.section-title>span,.manage-head p{color:#86868b;margin:0;font-size:13px}.activity{border-top:1px solid #dcdce0}.log,.order{border-bottom:1px solid #e7e7ea;align-items:center;gap:12px;padding:16px 2px;display:flex}.log>span:first-child{width:44px;font-size:14px;font-weight:700}.log b,.log small{font-size:14px;display:block}.log small,.order small{color:#86868b;margin-top:4px;font-size:12px}.log div{flex:1}.item-icon{color:#087cff;background:#e8f2ff;border-radius:7px;flex:none;place-items:center;width:32px;height:32px;display:grid}.pill{border-radius:99px;margin-left:auto;padding:5px 8px;font-size:11px;font-weight:650}.text-button{color:#087cff;background:0 0;font-size:13px}.page-heading{margin-bottom:42px}.page-heading h1{margin:7px 0 12px;font-size:clamp(35px,4vw,55px)}.page-heading p:not(.eyebrow){color:#6e6e73;margin:0;font-size:17px}.legend{color:#6e6e73;gap:18px;margin-top:22px;font-size:12px;display:flex}.legend span{align-items:center;gap:6px;display:flex}.legend i{border-radius:50%;width:8px;height:8px}.available{background:#d9d9dd}.bidding{background:#087cff}.owned{background:#1d1d1f}.classroom{background:#fff;border:1px solid #e4e4e8;border-radius:8px;padding:24px;overflow:auto}.board{color:#a9a9ad;letter-spacing:0;background:#252525;border-radius:3px;place-items:center;width:44%;min-width:230px;height:35px;margin:0 auto 32px;font-size:10px;display:grid}.seat-groups{grid-template-columns:repeat(4,1fr);gap:26px;min-width:790px;display:grid}.seat-group>small{text-align:center;color:#86868b;margin-bottom:9px;font-size:11px;display:block}.seat-group>div{grid-template-columns:repeat(2,1fr);gap:7px;display:grid}.seat{color:#1d1d1f;text-align:left;background:#f3f4f6;border-radius:6px;height:54px;padding:8px;transition:transform .2s,background .2s}.seat b,.seat span{display:block}.seat b{font-size:11px}.seat span{color:#86868b;white-space:nowrap;text-overflow:ellipsis;margin-top:4px;font-size:10px;overflow:hidden}.seat.bidding{color:#006dd9;background:#e3f0ff}.seat.bidding:hover{background:#cce5ff;transform:translateY(-2px)}.seat.disabled{opacity:.35}.auction-strip{margin-top:44px}.auction-list{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.auction-card{text-align:left;background:#fff;border:1px solid #e5e5e9;border-radius:8px;align-items:center;gap:10px;padding:14px;display:flex}.auction-card:hover{border-color:#087cff}.seat-avatar{color:#087cff;background:#eef5ff;border-radius:7px;place-items:center;width:36px;height:36px;font-size:11px;font-weight:700;display:grid}.auction-card div{flex:1}.auction-card b,.auction-card small{display:block}.auction-card b{font-size:13px}.auction-card small{color:#86868b;margin-top:3px;font-size:11px}.auction-card>strong{font-size:17px}.auction-card>strong small{font-weight:400}.overlay{z-index:10;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#00000061;place-items:end center;padding:20px;display:grid;position:fixed;inset:0}.sheet{background:#fff;border-radius:8px;width:min(500px,100%);padding:30px;animation:.28s up;position:relative;box-shadow:0 15px 60px #0000002e}.sheet h2{margin:8px 0;font-size:28px}.close{color:#555;background:#f0f0f2;border-radius:50%;place-items:center;width:30px;height:30px;display:grid;position:absolute;top:15px;right:15px}.close svg{width:17px}.muted{color:#6e6e73}.bid-input{border:1px solid #d6d6da;border-radius:8px;align-items:center;height:60px;margin:25px 0 9px;display:flex}.bid-input button{color:#087cff;background:#f6f6f7;width:55px;height:100%;font-size:24px}.bid-input input{text-align:center;border:0;outline:0;width:100%;font-size:24px;font-weight:700}.bid-input span{color:#86868b;padding-right:18px}.wide{width:100%;margin-top:18px}.hint{color:#86868b;font-size:12px}.error{color:#d63030;font-size:13px}.rewards{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.reward{background:#fff;border:1px solid #e4e4e8;border-radius:8px;flex-direction:column;min-height:280px;padding:22px;display:flex}.reward-art{border-radius:7px;place-items:center;height:88px;margin-bottom:18px;display:grid}.reward-art svg{width:34px;height:34px}.art-0{color:#087cff;background:#e5f1ff}.art-1{color:#7732cc;background:#f5edff}.art-2{color:#00864b;background:#e5f8ef}.art-3{color:#d66500;background:#fff0de}.reward h2{margin:0;font-size:20px}.reward p{color:#6e6e73;font-size:13px;line-height:1.5}.reward footer{justify-content:space-between;align-items:center;margin-top:auto;display:flex}.reward footer strong{font-size:22px}.reward footer small{font-size:12px;font-weight:400}.orders{max-width:680px;margin-top:58px}.order b{font-size:14px}.order small{flex:1}.teacher-hero{background:#f0f7ff;border-radius:8px;justify-content:space-between;align-items:center;min-height:370px;margin-bottom:45px;padding:58px;display:flex;overflow:hidden}.teacher-hero h1{font-size:50px}.orbital{background:#ffffff8c;border:1px solid #bbd9ff;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:190px;height:190px;display:flex;position:relative}.orbital:before,.orbital:after{content:"";border:1px solid #d3e6ff;border-radius:50%;position:absolute}.orbital:before{inset:-23px}.orbital:after{inset:-48px}.orbital span{color:#087cff;font-size:46px;font-weight:700}.orbital small{color:#6e6e73}.manage-head{margin-bottom:24px}.tabs{border-bottom:1px solid #dedee2;gap:6px;margin-bottom:30px;display:flex}.tabs button{color:#6e6e73;background:0 0;border-bottom:2px solid #0000;padding:12px 15px}.data-list,.reward-manage{background:#fff;border:1px solid #e4e4e8;border-radius:8px;overflow:hidden}.data-list article,.reward-manage article{border-bottom:1px solid #ededf0;align-items:center;gap:12px;padding:14px 16px;display:flex}.data-list article:last-child,.reward-manage article:last-child{border:0}.data-list article>span{color:#087cff;background:#e7f1ff;border-radius:50%;place-items:center;width:32px;height:32px;font-size:13px;font-weight:700;display:grid}.data-list article div{flex:1}.data-list b,.data-list small,.reward-manage b,.reward-manage small{display:block}.data-list b,.reward-manage b{font-size:14px}.data-list small,.reward-manage small{color:#86868b;margin-top:3px;font-size:12px}.data-list strong{margin-right:10px;font-size:14px}.reward-manage{margin-bottom:42px}.reward-manage article div{flex:1}.small-button{padding:8px 11px;font-size:13px}.seat-admin{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.seat-admin article{background:#fff;border:1px solid #e5e5e9;border-radius:7px;padding:11px}.seat-admin small,.seat-admin b{display:block}.seat-admin small{color:#86868b;font-size:10px}.seat-admin b{white-space:nowrap;text-overflow:ellipsis;margin:4px 0 10px;font-size:12px;overflow:hidden}.seat-admin button{width:100%;padding:7px;font-size:11px}.form{place-self:center}.form label{margin:14px 0;font-size:12px;font-weight:650;display:block}.form input{border:1px solid #dedee2;border-radius:6px;outline-color:#087cff;width:100%;margin-top:6px;padding:10px;display:block}.toast{z-index:20;color:#fff;background:#1d1d1f;border-radius:7px;align-items:center;gap:8px;padding:11px 15px;font-size:13px;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 7px 26px #0003}.empty{color:#86868b;padding:22px 0;font-size:13px}.loading{color:#6e6e73;text-align:center;place-content:center;gap:12px;height:100vh;display:grid}.loading i{border:2px solid #dce8f8;border-top-color:#087cff;border-radius:50%;width:22px;height:22px;margin:auto;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes up{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@media (width<=700px){.topbar{gap:14px;padding:0 16px}.topbar nav{gap:0;overflow:auto}.topbar nav button{padding:0 9px;font-size:13px}.profile div{display:none}.profile{gap:3px}.page{padding:42px 16px 64px}.hero{min-height:410px;margin:0 -16px 40px;padding:62px 22px}.hero h1,.page-heading h1{font-size:40px}.hero-rings{opacity:.55;top:68%;right:-72px}.metric-grid{grid-template-columns:1fr;gap:8px;margin-bottom:42px}.metric{min-height:108px;padding:18px}.metric p{margin:10px 0 2px}.two-col{grid-template-columns:1fr;gap:42px}.page-heading{margin-bottom:28px}.page-heading p:not(.eyebrow){font-size:15px}.classroom{padding:15px}.seat-groups{gap:18px;min-width:620px}.seat{height:48px}.auction-list,.rewards{grid-template-columns:1fr}.teacher-hero{min-height:380px;padding:34px 24px;position:relative}.teacher-hero h1{font-size:40px}.orbital{width:120px;height:120px;position:absolute;bottom:8px;right:-19px}.orbital span{font-size:33px}.manage-head{align-items:start}.seat-admin{grid-template-columns:repeat(2,1fr)}.data-list article{flex-wrap:wrap}.data-list article div{min-width:calc(100% - 48px)}.data-list article strong{margin-left:auto}.legend{flex-wrap:wrap}.login{grid-template-columns:1fr!important}.login-copy{display:none}.login-card{border-left:0!important}.login{min-height:100vh!important}}.login{background:#fff;grid-template-columns:1.15fr .85fr;min-height:100vh;display:grid}.login-copy{color:#fff;background:#050505;padding:clamp(45px,10vw,140px);position:relative;overflow:hidden}.login-copy:after{content:"";filter:blur(90px);opacity:.28;background:#087cff;border-radius:50%;width:400px;height:400px;position:absolute;bottom:-170px;right:-130px}.login-copy h1{z-index:1;margin-top:38px;position:relative}.login-copy>p:not(.eyebrow){color:#a1a1a6;z-index:1;max-width:380px;font-size:17px;line-height:1.6;position:relative}.login-card{border-left:1px solid #eee;align-self:center;padding:clamp(35px,8vw,110px)}.card-head{align-items:center;gap:12px;margin-bottom:30px;display:flex}.card-head h2{margin:0;font-size:24px}.card-head p{color:#86868b;margin:4px 0;font-size:13px}.login-card label{margin:16px 0;font-size:12px;font-weight:650;display:block}.login-card input{border:1px solid #dedee2;border-radius:7px;outline-color:#087cff;width:100%;margin-top:7px;padding:12px;display:block}.login-card .wide{margin-top:11px}.shell{background:linear-gradient(118deg,#eff2f6 0%,#e5eaf0 48%,#f4f6f8 100%)}.topbar{background:#f9fafcb8;border-bottom:1px solid #ffffffeb;box-shadow:0 1px #171d260f,0 10px 34px #3141530f}.brand{letter-spacing:0;color:#101217}.brand>span,.mark{background:#0a6ee8;box-shadow:0 5px 14px #0a6ee838}.hero{color:#101217;-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);background:#f9fbfd91;border:1px solid #ffffffe6;border-radius:8px;min-height:414px;margin-top:28px;padding-top:74px;padding-bottom:74px;box-shadow:inset 0 1px #fffffff2,0 24px 60px #3141531f}.hero:before{content:"";pointer-events:none;background:linear-gradient(118deg,#ffffffa8,#ffffff1f);border-radius:8px;position:absolute;inset:0}.hero>*{z-index:1;position:relative}.hero h1{letter-spacing:0;font-weight:720}.hero>p:not(.eyebrow){color:#5f6975}.hero-rings,.orbital{display:none}.eyebrow{color:#0a6ee8;letter-spacing:.08em}.primary{background:#0a6ee8f5;border:1px solid #ffffff5c;box-shadow:inset 0 1px #ffffff47,0 8px 20px #0a6ee82e}.primary:hover{background:#0066d6;box-shadow:inset 0 1px #ffffff59,0 12px 24px #0a6ee83d}.metric{min-height:142px}.metric>span{color:#1b2734;background:#eaeff5d1}.metric.accent>span{color:#0a6ee8;background:#0a6ee81f}.metric.accent p{color:#697380}.metric p{color:#74808c}.section-title h2,.manage-head h2{color:#151b23;font-weight:680}.item-icon{color:#0a6ee8;background:#dcedffbf}.page-heading p:not(.eyebrow){color:#66717d}.classroom{padding:26px}.seat{background:#ecf0f4d9;border:1px solid #ffffffbd}.seat.owned{background:#303942;box-shadow:inset 0 1px #ffffff26}.seat-avatar{color:#096cd9;background:#dcedffd6}.sheet{-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);background:#fafcfee0;border:1px solid #fffffff2;box-shadow:inset 0 1px #fff,0 24px 70px #141f2b38}.close{background:#e7ecf2cc}.bid-input button{background:#ebf1f7bf}.reward{min-height:292px}.reward-art{border:1px solid #ffffffd1;color:#0a6ee8!important;background:#e3eef9bd!important}.orders{max-width:760px}.teacher-hero{-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);background:#f9fbfd9e;border:1px solid #ffffffeb;min-height:350px;box-shadow:inset 0 1px #fff,0 24px 60px #3141531a}.teacher-hero h1{color:#111820}.teacher-hero>div>p:not(.eyebrow){color:#66717d}.secondary{color:#2e3944;background:#e7ecf2d1;border:1px solid #ffffffd1}.form input,.login-card input{background:#ffffffba;border-color:#5b6b7d38}.login-copy:after{display:none}.login-copy:before{content:"";pointer-events:none;background:linear-gradient(136deg,#ffffff12,#0000 42%);position:absolute;inset:0}.login-copy h1,.login-copy>p,.login-copy .mark{z-index:1;position:relative}.login-card{-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);background:#f9fbfdb3;border-left-color:#ffffffe6}@media (width<=700px){.hero{border-radius:7px;margin-top:14px}.teacher-hero{border-radius:7px}.metric{min-height:108px}.topbar{padding:0 14px}.brand{font-size:15px}.topbar nav button{padding:0 8px}.profile>span{width:29px;height:29px}}.auth-switch{color:#0a6ee8;background:0 0;margin:16px auto 0;padding:4px;font-size:13px;font-weight:650;display:block}.success{color:#087439;background:#d7f7e5b8;border-radius:6px;padding:9px 10px;font-size:13px}.batch-actions{gap:8px;display:flex}.registrations input[type=checkbox]{accent-color:#0a6ee8;flex:none;width:16px;height:16px}.registrations article{min-height:65px}@media (width<=700px){.batch-actions{width:100%;margin-top:14px}.batch-actions button{flex:1}.manage-head:has(.batch-actions){display:block}.registrations article{align-items:center}.registrations article>div{min-width:calc(100% - 70px)}.registrations article button{flex:1}}:root{color:#151516;background:#f1f2f4}.shell{background:linear-gradient(135deg,#f7f7f8 0%,#eceef1 48%,#f8f8f9 100%);min-height:100vh}.topbar{background:#ffffffb3;border-bottom-color:#1a1b1d14;box-shadow:0 1px #fffffff0,0 14px 42px #12161c12}.brand{color:#151516}.brand>span,.mark{color:#fff;background:#171719;box-shadow:0 5px 16px #00000024}.topbar nav button{color:#77777c}.topbar nav button.active{color:#141416;border-color:#171719}.profile>span{color:#171719;background:#18181a14}.profile b{color:#1a1a1c}.profile small{color:#85858b}.icon{color:#65656b}.hero,.teacher-hero{color:#171719;-webkit-backdrop-filter:blur(28px);backdrop-filter:blur(28px);background:#ffffff94;border-color:#ffffffeb;box-shadow:inset 0 1px #fffffff5,0 28px 70px #262e381c}.hero:before{background:linear-gradient(120deg,#ffffffdb,#ffffff24)}.hero em,.teacher-hero em{color:#525257}.hero>p:not(.eyebrow),.teacher-hero>div>p:not(.eyebrow){color:#6e6e74}.hero h1,.teacher-hero h1{color:#151516}.eyebrow{color:#76767c}.primary{color:#fff;background:#1a1a1c;border-color:#1a1a1c;box-shadow:inset 0 1px #fff3,0 8px 22px #0000002e}.primary:hover{color:#fff;background:#050506;box-shadow:inset 0 1px #ffffff40,0 14px 28px #0000003d}.metric,.classroom,.reward,.data-list,.reward-manage,.auction-card{-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);background:#fff9;border-color:#ffffffe6;box-shadow:inset 0 1px #fffffff0,0 15px 36px #30384312}.metric{color:#171719}.metric.accent{color:#151516;background:#ffffffc7;border-color:#fff}.metric p,.metric.accent p{color:#7c7c82}.metric>span,.metric.accent>span{color:#242427;background:#17171912}.section-title h2,.manage-head h2{color:#19191b}.section-title>span,.manage-head p,.page-heading p:not(.eyebrow){color:#7a7a80}.activity{border-color:#2020231c}.log,.order{border-color:#20202317}.log b,.order b,.data-list b,.reward-manage b{color:#202023}.log small,.order small,.data-list small,.reward-manage small{color:#88888e}.item-icon,.seat-avatar{color:#242426;background:#18181a12}.positive{color:#267545}.negative{color:#b34744}.pill.pending{color:#505055;background:#18181a14}.pill.approved{color:#287445;background:#2675451a}.pill.rejected{color:#a33d3b;background:#b347441a}.text-button,.auth-switch{color:#202023}.legend{color:#77777d}.legend .available{background:#b8b8bd}.legend .bidding{background:#242426}.legend .owned{background:#55555b}.board{color:#c7c7cb;background:#202022;box-shadow:inset 0 1px #ffffff1f,0 10px 28px #00000029}.seat{color:#29292c;background:#ebedf0d1;border-color:#ffffffd1}.seat span{color:#888890}.seat.bidding{color:#18181a;background:#1f1f211c;border-color:#1f1f212e}.seat.bidding span{color:#56565b}.seat.bidding:hover{background:#1f1f212b}.seat.owned{color:#fff;background:#2a2a2c}.seat.owned span{color:#d0d0d3}.auction-card:hover{border-color:#16161842;box-shadow:inset 0 1px #fff,0 20px 40px #0000001a}.auction-card b,.auction-card>strong{color:#202023}.auction-card small{color:#88888e}.overlay{background:#1c1f2347}.sheet{color:#202023;background:#fcfcfddb;border-color:#fffffffa;box-shadow:inset 0 1px #fff,0 30px 80px #14181e38}.close{color:#38383c;background:#1b1b1d14}.muted,.hint{color:#818187}.bid-input{background:#ffffff9e;border-color:#23232624}.bid-input button{color:#1c1c1f;background:#1e1e210f}.bid-input input{color:#171719;background:0 0}.bid-input span{color:#808087}.reward h2,.reward footer strong{color:#1c1c1f}.reward p{color:#7a7a80}.reward-art{border-color:#ffffffd9;color:#252528!important;background:#1f1f2112!important}.tabs{border-color:#2020231f}.tabs button{color:#797980}.tabs button.active{color:#171719;border-color:#171719}.secondary{color:#27272a;background:#1e1e2012;border-color:#ffffffd6}.seat-admin article{background:#ffffff94;border-color:#ffffffdb;box-shadow:inset 0 1px #ffffffeb,0 12px 26px #323a450f}.seat-admin article.has-owner{background:#25252812}.seat-admin small{color:#85858c}.seat-admin b{color:#28282b}.form input,.login-card input{color:#202023;background:#ffffffb8;border-color:#20202324}.login{background:#f0f1f3}.login-copy{background:#19191b}.login-copy:before{background:linear-gradient(135deg,#ffffff1c,#0000 43%)}.login-copy>p:not(.eyebrow){color:#aaabb0}.login-card{color:#202023;background:#ffffffb8;border-left-color:#ffffffe6}.card-head h2{color:#202023}.card-head p{color:#85858b}.success{color:#287445;background:#2675451a}.toast{color:#fff;background:#1c1c1e}.media-page{max-width:1240px}.media-submit{-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);background:#ffffff94;border:1px solid #ffffffe6;border-radius:8px;grid-template-columns:minmax(240px,.8fr) minmax(340px,1.2fr);gap:44px;margin:0 0 44px;padding:30px;display:grid;box-shadow:inset 0 1px #fff,0 16px 38px #30384314}.media-submit h2{margin:7px 0;font-size:25px}.media-submit>div>p:not(.eyebrow){color:#77777e;margin:0;line-height:1.55}.media-submit form{grid-template-columns:1fr 120px;gap:12px;display:grid}.media-type{grid-column:1/-1;gap:8px;display:flex}.media-type button{color:#67676d;background:#1d1d1f0f;border-radius:6px;align-items:center;gap:7px;padding:9px 12px;display:inline-flex}.media-type button.active{color:#fff;background:#1b1b1d}.media-submit label{color:#45454a;font-size:12px;font-weight:650}.media-submit label:nth-of-type(3){grid-column:1/-1}.media-submit input{color:#202023;background:#ffffffb8;border:1px solid #20202324;border-radius:6px;width:100%;margin-top:6px;padding:10px;display:block}.media-submit input[type=file]{padding:8px;font-size:12px}.media-submit small{color:#86868c;grid-column:1/-1;font-size:11px}.media-submit .primary{justify-self:start}.media-tabs{gap:7px;margin-bottom:20px;display:flex}.media-tabs button{color:#717178;background:#2020230f;border-radius:6px;padding:8px 13px;font-size:13px}.media-tabs button.active{color:#fff;background:#1b1b1d}.media-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.media-card{background:#ffffff9e;border:1px solid #ffffffe6;border-radius:8px;overflow:hidden;box-shadow:inset 0 1px #fff,0 14px 34px #30384314}.media-preview{background:#2323260f;place-items:center;height:190px;display:grid;overflow:hidden}.media-preview img{object-fit:cover;width:100%;height:100%}.media-preview.music{background:linear-gradient(145deg,#e7e8ea,#f8f8f9);padding:24px}.media-preview audio{width:100%;max-width:280px}.media-preview span{color:#86868d;font-size:12px}.media-meta{padding:15px 16px 5px}.media-kind{color:#73737a;align-items:center;gap:5px;font-size:11px;display:inline-flex}.media-meta h3{color:#202023;margin:8px 0 4px;font-size:16px}.media-meta p{color:#88888f;margin:0;font-size:12px}.media-card footer{justify-content:flex-end;padding:12px 16px 16px;display:flex}.media-card footer button{align-items:center;gap:6px;display:inline-flex}.my-media{max-width:780px;margin-top:52px}.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.review-actions{gap:8px;width:100%;display:flex}.review-actions button{flex:1;padding:9px 8px;font-size:12px}@media (width<=700px){.media-submit{grid-template-columns:1fr;gap:22px;padding:22px}.media-submit form{grid-template-columns:1fr}.media-submit label:nth-of-type(3){grid-column:auto}.media-grid,.review-grid{grid-template-columns:1fr}.media-preview{height:210px}.media-submit .primary{width:100%}}.media-card footer{align-items:center;gap:8px}.review-actions{flex:1;width:auto;min-width:0}.app-dialog{width:min(440px,100vw - 32px);max-height:calc(100vh - 32px);overflow:auto}:root{--fx-ink:#171719;--fx-soft-shadow:0 18px 46px #181c2217;--fx-ease:cubic-bezier(.22, .8, .24, 1)}body{background-image:radial-gradient(#191b1f0b .65px,#0000 .65px);background-size:5px 5px}.shell:before{content:"";pointer-events:none;z-index:0;animation:ambient-sheen 18s var(--fx-ease) infinite;background:linear-gradient(115deg,#0000 0 42%,#ffffff38 50%,#0000 58%) 0 0/220% 100%;position:fixed;inset:0}.shell>*{z-index:1;position:relative}.topbar{transition:box-shadow .35s var(--fx-ease), background .35s var(--fx-ease)}.topbar:hover{box-shadow:0 16px 44px #12161c1c}.brand>span,.mark{transition:transform .35s var(--fx-ease), box-shadow .35s var(--fx-ease)}.brand:hover>span{transform:rotate(-7deg)scale(1.08);box-shadow:0 8px 22px #0003}.hero,.teacher-hero{isolation:isolate;animation:surface-in .75s var(--fx-ease) both}.hero:after,.teacher-hero:after{content:"";pointer-events:none;z-index:0;opacity:.55;background:linear-gradient(105deg,#0000 35%,#ffffff6b 49%,#0000 63%) 0 0/230% 100%;animation:9s ease-in-out infinite panel-glint;position:absolute;inset:0}.hero h1,.teacher-hero h1{animation:title-in .8s 80ms var(--fx-ease) both}.hero>p:not(.eyebrow),.teacher-hero>div>p:not(.eyebrow){animation:title-in .7s .18s var(--fx-ease) both}.hero .primary,.teacher-hero .primary{animation:title-in .7s .28s var(--fx-ease) both}.metric,.reward,.auction-card,.media-card,.data-list,.reward-manage,.classroom{transition:transform .38s var(--fx-ease), box-shadow .38s var(--fx-ease), border-color .38s ease}.metric:hover,.reward:hover,.auction-card:hover,.media-card:hover{box-shadow:var(--fx-soft-shadow), inset 0 1px 0 #fffffff5;transform:translateY(-4px)}.metric-grid>*,.rewards>*,.auction-list>*,.media-grid>*{animation:item-in .55s var(--fx-ease) both}.metric-grid>:nth-child(2),.rewards>:nth-child(2),.auction-list>:nth-child(2),.media-grid>:nth-child(2){animation-delay:60ms}.metric-grid>:nth-child(3),.rewards>:nth-child(3),.auction-list>:nth-child(3),.media-grid>:nth-child(3){animation-delay:.12s}.metric strong{font-variant-numeric:tabular-nums;transition:letter-spacing .35s,text-shadow .35s}.metric:hover strong{letter-spacing:.03em;text-shadow:0 0 24px #1717192e}.reward-art{transition:transform .45s var(--fx-ease), filter .45s ease}.reward:hover .reward-art{filter:contrast(1.05);transform:scale(1.035)}.primary,.secondary,.text-button,.tabs button,.media-tabs button{transition:transform .25s var(--fx-ease), box-shadow .25s ease, background .25s ease, color .25s ease}.primary:active,.secondary:active,.tabs button:active,.media-tabs button:active{transform:scale(.97)}.primary:focus-visible,.secondary:focus-visible,.icon:focus-visible,.close:focus-visible{outline-offset:3px;outline:2px solid #171719}.seat{transition:transform .28s var(--fx-ease), box-shadow .28s ease, background .28s ease}.seat:not(:disabled):hover{transform:translateY(-4px)scale(1.025);box-shadow:0 10px 20px #18181a24}.seat.bidding:not(:disabled){animation:2.8s ease-in-out infinite bidding-pulse}.auction-card>strong{transition:transform .3s var(--fx-ease)}.auction-card:hover>strong{transform:translate(-3px)}.seat-settings{background:#ffffff85;border:1px solid #ffffffe0;border-radius:8px;grid-template-columns:minmax(190px,1.4fr) repeat(4,minmax(110px,1fr)) auto;align-items:end;gap:12px;margin:0 0 24px;padding:16px;display:grid;box-shadow:inset 0 1px #fff,0 12px 28px #3038430f}.seat-settings>div{align-self:center}.seat-settings b,.seat-settings small{display:block}.seat-settings b{font-size:14px}.seat-settings small{color:#85858c;margin-top:5px;font-size:11px}.seat-settings label{color:#5f6066;font-size:11px;font-weight:650}.seat-settings input,.seat-settings select{color:#202023;background:#ffffffb8;border:1px solid #20202324;border-radius:6px;width:100%;margin-top:6px;padding:9px 10px;display:block}.seat-settings .primary{white-space:nowrap}.seat-map-admin{grid-auto-flow:row;width:max-content;min-width:100%;padding-top:58px;position:relative}.seat-map-admin:before{content:"BLACKBOARD";color:#c7c7cb;letter-spacing:.08em;background:#202022;border-radius:4px;place-items:center;width:min(48%,360px);height:34px;font-size:10px;display:grid;position:absolute;top:0;left:50%;transform:translate(-50%);box-shadow:inset 0 1px #ffffff1f,0 10px 24px #00000029}.about-page{max-width:1040px}.about-grid{grid-template-columns:1.05fr .95fr;gap:14px;display:grid}.about-panel{-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);background:#fff9;border:1px solid #ffffffe6;border-radius:8px;padding:28px;box-shadow:inset 0 1px #fff,0 16px 38px #30384312}.about-panel h2{color:#202023;margin:10px 0 12px;font-size:24px}.about-panel p{color:#73747b;margin:0 0 10px;line-height:1.7}.about-story{min-height:245px}.about-story .mark{margin-bottom:12px}.about-rule{background:#202022;border-radius:2px;width:74px;height:3px;margin-top:26px}.about-special{font-weight:700;color:#202023!important}.about-tech-copy{font-size:12px}.about-open{justify-content:space-between;align-items:center;gap:24px;margin-top:14px;display:flex}.about-open .primary{white-space:nowrap;flex:none}.topbar nav button{align-items:center;gap:6px;display:inline-flex}.site-footer{text-align:center;max-width:1240px;margin:0 auto;padding:0 28px 28px}.site-footer button{color:#88888e;background:0 0;align-items:center;gap:5px;padding:7px 10px;font-size:12px;display:inline-flex}.site-footer button:hover{color:#202023}@media (width<=700px){.about-grid{grid-template-columns:1fr}.about-open{flex-direction:column;align-items:flex-start}.about-open .primary{width:100%}}.seat-map-admin article{min-width:120px}.seat-map-admin article small{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.cinema-grid{grid-auto-flow:row;align-items:stretch;gap:9px 10px;width:max-content;min-width:100%;padding:0 12px 14px;display:grid}.cinema-grid .seat{width:100%;min-width:0}.cinema-grid .seat b,.cinema-grid .seat span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.classroom.shape-u .seat-groups{transform:perspective(900px)rotateX(1deg)}.classroom.shape-u .seat-group:nth-child(-n+2){transform:translateY(12px)}.classroom.shape-u .seat-group:nth-last-child(-n+2){transform:translateY(-12px)}.classroom.shape-islands .seat-groups{gap:34px}.classroom.shape-islands .seat-group{background:#ffffff47;border:1px solid #20202317;border-radius:8px;padding:10px}.sheet{animation:sheet-in .45s var(--fx-ease) both}.overlay{animation:.25s both overlay-in}.toast{animation:toast-in .4s var(--fx-ease) both}@keyframes ambient-sheen{0%,72%,to{background-position:150% 0}86%{background-position:-20% 0}}@keyframes panel-glint{0%,62%,to{background-position:160% 0}80%{background-position:-30% 0}}@keyframes surface-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes title-in{0%{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}@keyframes item-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes sheet-in{0%{opacity:0;transform:translateY(24px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,12px)scale(.96)}to{opacity:1;transform:translate(-50%)scale(1)}}@keyframes bidding-pulse{0%,to{box-shadow:0 0 #1e1e201a}50%{box-shadow:0 0 0 4px #1e1e200d}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=700px){.seat-settings{grid-template-columns:1fr 1fr}.seat-settings>div,.seat-settings .primary{grid-column:1/-1}}html,body{max-width:100%;overflow-x:hidden}.topbar{min-width:0}.brand{flex:none}.topbar nav{min-width:0}.profile{flex:none;min-width:0}.tabs,.media-tabs{scrollbar-width:thin;overflow-x:auto}.tabs button,.media-tabs button{white-space:nowrap;flex:none}.seat-map-admin{max-width:100%;overflow:auto visible}.section-title,.manage-head{gap:16px}.section-title>*,.manage-head>*{min-width:0}.log b,.order b,.data-list b,.reward-manage b{overflow-wrap:anywhere}@media (width<=900px){.page{padding-top:48px}.two-col{gap:42px}.media-submit{grid-template-columns:1fr;gap:24px}.media-submit form{grid-template-columns:minmax(0,1fr) 120px}.review-grid{grid-template-columns:1fr}}@media (width<=700px){.topbar{gap:8px}.topbar nav{flex:auto}.topbar nav button{padding-inline:8px}.media-submit form{grid-template-columns:1fr}.page-heading h1{line-height:1.12}.section-title,.manage-head{align-items:flex-start}.section-title>span,.manage-head>p{white-space:nowrap;margin-top:5px}.seat-map-admin{padding-top:52px}.seat-map-admin:before{width:min(70%,300px)}.seat-settings{gap:10px;padding:14px}.data-list article,.reward-manage article{align-items:flex-start}.data-list article>button,.reward-manage article>button{flex:none}.sheet{padding:24px 20px}.overlay{padding:12px}.toast{text-align:center;max-width:calc(100vw - 32px)}}@media (width<=480px){.topbar{height:62px;padding-inline:10px}.brand{gap:6px;font-size:14px}.brand>span{width:28px;height:28px}.topbar nav button{padding-inline:6px;font-size:12px}.icon{margin-left:0;padding:5px}.page{padding:34px 12px 52px}.hero{margin-inline:-12px;padding:48px 18px}.hero h1,.page-heading h1,.teacher-hero h1{font-size:34px}.page-heading{margin-bottom:24px}.classroom{padding:10px}.board{width:72%;min-width:180px;margin-bottom:22px}.cinema-grid{gap:7px;padding-inline:4px}.seat{height:46px;padding:6px}.seat b{font-size:10px}.seat span{font-size:9px}.seat-settings{grid-template-columns:1fr}.seat-settings>div,.seat-settings .primary{grid-column:auto}.manage-head{flex-wrap:wrap}.manage-head .batch-actions,.manage-head>button{width:100%}.batch-actions button{min-height:40px}.tabs{margin-inline:-12px;padding-inline:12px}.media-tabs{padding-bottom:2px}.media-submit{margin-bottom:30px;padding:18px}.media-submit form{grid-template-columns:1fr}.media-submit .primary{width:100%}.review-actions{flex-direction:column}.review-actions button{width:100%}.order{flex-wrap:wrap;align-items:flex-start}.order small{min-width:calc(100% - 44px)}.order .pill{margin-left:auto}}
