*{box-sizing:border-box;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,sans-serif}body{color:#1b1b1b;background-color:#f3f2f1;margin:0}.app-container{flex-direction:column;min-height:100vh;display:flex}.simulation-banner{color:#000;text-align:center;z-index:1000;background:#fc0;padding:8px;font-size:14px;font-weight:600;position:sticky;top:0;box-shadow:0 1px 3px #0000001a}.login-page{background-color:#fafafa;flex-direction:column;flex:1;justify-content:center;align-items:center;display:flex}.login-box{background:#fff;border:1px solid #dbdbdb;flex-direction:column;align-items:center;width:100%;max-width:350px;margin-bottom:10px;padding:40px;display:flex}.ig-logo{width:175px;margin-top:10px;margin-bottom:36px}.login-form{width:100%}.input-group{width:100%;margin-bottom:6px}.login-form input{box-sizing:border-box;background-color:#fafafa;border:1px solid #dbdbdb;border-radius:3px;outline:none;width:100%;margin-bottom:0;padding:9px 8px 7px;font-size:12px}.login-form input:focus{border:1px solid #a8a8a8}.login-actions{width:100%;margin-top:14px;margin-bottom:14px}.btn-primary{color:#fff;cursor:pointer;background:#4cb5f9;border:none;border-radius:8px;width:100%;font-weight:600}.btn-primary:hover{background:#1877f2}.btn-primary:disabled{cursor:default;background:#9aa0a6}.error-message{color:#ed4956;text-align:center;margin-top:10px;margin-bottom:10px;font-size:14px}.login-divider{align-items:center;width:100%;margin:14px 0 20px;display:flex}.divider-line{background-color:#dbdbdb;flex:1;height:1px}.divider-text{color:#737373;text-transform:uppercase;margin:0 18px;font-size:13px;font-weight:600}.login-links{flex-direction:column;align-items:center;gap:16px;margin-top:10px;display:flex}.forgot-password{font-size:12px;text-decoration:none;color:#00376b!important}.signup-box{text-align:center;color:#262626;background:#fff;border:1px solid #dbdbdb;width:100%;max-width:350px;padding:20px;font-size:14px}.signup-box p{margin:0}.signup-box a{color:#0095f6;font-weight:600;text-decoration:none}.forgot-page{background:#fafafa;flex:1;justify-content:center;align-items:center;padding:40px 20px;display:flex}.forgot-card{text-align:center;background:#fff;border:1px solid #dbdbdb;border-radius:4px;width:100%;max-width:400px;padding:40px 36px}.forgot-card h1{color:#111;margin:0 0 12px;font-size:20px;font-weight:600}.forgot-subtitle{color:#555;margin:0 0 24px;font-size:14px;line-height:1.45}.forgot-form{text-align:left}.forgot-form label{color:#333;margin-bottom:6px;font-size:13px;font-weight:500;display:block}.forgot-form input{border:1px solid #dbdbdb;border-radius:4px;outline:none;width:100%;margin-bottom:16px;padding:10px 12px;font-size:14px}.forgot-form input:focus{border-color:#a8a8a8}.forgot-form input:disabled{color:#888;background:#f5f5f5}.forgot-error{color:#ed4956;margin:-8px 0 14px;font-size:13px}.forgot-footer{text-align:center;margin-top:20px;font-size:13px}.forgot-footer a{color:#262626;font-weight:500;text-decoration:none}.forgot-footer a:hover{text-decoration:underline}.quiz-page{isolation:isolate;background:radial-gradient(circle at 94% 4%,#ffffffdb 0 34px,#0000 35px),radial-gradient(circle at 80% 18%,#ffffff52 0 98px,#0000 99px),linear-gradient(135deg,#dff1ff 0%,#f7fbff 42%,#eef7ff 100%);flex:1;width:100%;max-width:none;margin:0;padding:20px 16px 28px;position:relative;overflow:hidden}.quiz-orbit{z-index:-1;pointer-events:none;border:1px solid #ffffff8f;border-radius:50%;position:absolute}.quiz-orbit-left{width:360px;height:360px;top:170px;left:-160px}.quiz-orbit-right{width:230px;height:230px;top:84px;right:22px}.quiz-spark{z-index:-1;pointer-events:none;width:24px;height:24px;position:absolute}.quiz-spark:before,.quiz-spark:after{content:"";background:#fff;border-radius:999px;margin:auto;position:absolute;inset:0}.quiz-spark:before{width:6px;height:24px}.quiz-spark:after{width:24px;height:6px}.quiz-spark-one{top:34px;right:188px;transform:rotate(16deg)}.quiz-spark-two{top:88px;right:142px;transform:rotate(8deg)scale(1.24)}.quiz-spark-two:before,.quiz-spark-two:after{background:#73a5f8}.quiz-header{z-index:1;align-items:center;gap:14px;max-width:820px;min-height:70px;margin:0 auto 4px;display:flex;position:relative}.quiz-header h2{color:#06143b;text-transform:uppercase;margin:0;font-size:34px;font-weight:900;line-height:1}.quiz-header h2 span{color:#0b74ff}.quiz-robot-mark{transform-origin:0;flex:0 0 104px;width:104px;height:84px;margin-right:-24px;position:relative;transform:scale(.76)}.quiz-robot-head{background:#fff;border-radius:19px;width:58px;height:48px;position:absolute;top:10px;left:8px;transform:rotate(8deg);box-shadow:0 9px 20px #1f4f842e}.quiz-robot-head:before{content:"";background:#07122a;border-radius:12px;position:absolute;inset:12px 8px}.quiz-robot-eye{z-index:1;background:#11c8ff;border-radius:999px;width:7px;height:13px;position:absolute;top:22px}.quiz-robot-eye:first-child{left:25px}.quiz-robot-eye:last-child{right:15px}.quiz-robot-antenna{background:#2f394b;border-radius:999px;width:6px;height:14px;position:absolute;top:0;left:36px;transform:rotate(-18deg)}.quiz-robot-body{background:#fff;border-radius:12px 12px 16px 16px;width:40px;height:24px;position:absolute;top:55px;left:18px;box-shadow:0 8px 18px #1f4f8429}.quiz-robot-glass{background:#a1dfff6b;border:5px solid #263345;border-radius:50%;width:32px;height:32px;position:absolute;bottom:14px;right:6px;transform:rotate(-22deg);box-shadow:inset 0 0 0 3px #2c9eff42,0 8px 16px #1f4f8429}.quiz-robot-glass:after{content:"";background:#a66b26;border-radius:999px;width:8px;height:22px;position:absolute;top:22px;left:19px}.quiz-stage{z-index:1;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffbd;border-radius:32px;max-width:820px;margin:0 auto;padding:22px;position:relative;box-shadow:0 28px 70px #295d9529}.quiz-progress{grid-template-columns:auto minmax(120px,1fr) auto;align-items:center;gap:20px;margin-bottom:18px;display:grid}.quiz-progress-label{color:#0875ff;white-space:nowrap;font-size:18px;font-weight:900}.quiz-progress-count{color:#52627f;white-space:nowrap;font-size:18px;font-weight:800}.quiz-progress-track{background:#dfeaf5;border-radius:999px;height:14px;overflow:hidden;box-shadow:inset 0 2px 5px #112e5314}.quiz-progress-track span{border-radius:inherit;background:linear-gradient(90deg,#086cff,#1787ff);height:100%;transition:width .25s;display:block;box-shadow:0 5px 16px #0875ff47}.quiz-card{background:#fff;border:1px solid #99bee175;border-radius:26px;padding:24px 24px 22px;position:relative;overflow:hidden;box-shadow:0 20px 52px #2c528229}.quiz-question-row{align-items:flex-start;gap:18px;margin-bottom:18px;display:flex}.quiz-question-icon{color:#fff;background:linear-gradient(135deg,#b967ff,#8738e8);border-radius:18px;flex:0 0 66px;justify-content:center;align-items:center;width:66px;height:66px;display:inline-flex;box-shadow:inset 0 -10px 22px #421ba629,0 18px 30px #8e45eb3d}.quiz-question-icon svg{width:32px;height:32px}.quiz-question-text{color:#06143b;margin:2px 0 0;font-size:30px;font-weight:900;line-height:1.14}.quiz-question-text span{color:#0875ff}.quiz-options{flex-direction:column;gap:11px;display:flex}.quiz-option{border:2px solid var(--option-border);cursor:pointer;background:linear-gradient(135deg, #fffffff2, var(--option-bg));border-radius:17px;align-items:center;gap:17px;min-height:68px;padding:10px 14px;transition:background .2s,border-color .2s,box-shadow .2s,transform .2s;display:flex;box-shadow:0 12px 26px #39577f14}.quiz-option-0{--option-accent:#8f42e8;--option-accent-2:#a858f4;--option-border:#d9bdff;--option-bg:#ab72f414}.quiz-option-1{--option-accent:#1f83f4;--option-accent-2:#37a7ff;--option-border:#b7dcff;--option-bg:#37a7ff14}.quiz-option-2{--option-accent:#39bd65;--option-accent-2:#57db76;--option-border:#c8ecc8;--option-bg:#57db7614}.quiz-option-3{--option-accent:#ff9e20;--option-accent-2:#ffb22f;--option-border:#ffe0ad;--option-bg:#ffb22f14}.quiz-option:hover{transform:translateY(-2px);box-shadow:0 18px 34px #39577f1f}.quiz-option.selected{border-color:var(--option-border);box-shadow:0 0 0 2px #8f42e81c,0 18px 38px #5f3aab1f}.quiz-option input{opacity:0;pointer-events:none;position:absolute}.quiz-option-letter{background:linear-gradient(135deg, var(--option-accent), var(--option-accent-2));color:#fff;border-radius:12px;flex:0 0 48px;justify-content:center;align-items:center;width:48px;height:48px;font-size:28px;font-weight:900;line-height:1;display:inline-flex;box-shadow:0 10px 20px #255a8c24}.quiz-option-copy{color:#06143b;flex:1;font-size:18px;font-weight:750;line-height:1.28}.quiz-option-check{background:linear-gradient(135deg, var(--option-accent), var(--option-accent-2));color:#fff;border-radius:50%;flex:0 0 38px;justify-content:center;align-items:center;width:38px;height:38px;display:inline-flex;box-shadow:0 12px 24px #5f3aab38}.quiz-option-check svg{width:23px;height:23px}.quiz-next-btn{color:#fff;background:linear-gradient(135deg,#2f8dff,#1877ff);border-radius:17px;justify-content:center;align-items:center;gap:18px;min-height:58px;margin-top:16px;padding:0 24px;font-size:20px;font-weight:900;display:inline-flex;position:relative;box-shadow:0 18px 34px #1877ff47}.quiz-next-btn svg{width:26px;height:26px;position:absolute;right:24px}.quiz-next-btn:hover:not(:disabled){background:linear-gradient(135deg,#2482f4,#0d6bea);transform:translateY(-2px)}.quiz-next-btn:disabled{box-shadow:none;background:#94a3b8;transform:none}.quiz-complete-card{text-align:center;max-width:560px;margin:0 auto;padding:34px 34px 30px}.quiz-complete-icon{color:#fff;background:linear-gradient(135deg,#8f42e8,#1877ff);border-radius:22px;justify-content:center;align-items:center;width:76px;height:76px;margin-bottom:14px;display:inline-flex;box-shadow:0 16px 28px #1877ff38}.quiz-complete-kicker{color:#0875ff;text-transform:uppercase;margin:0 0 8px;font-size:13px;font-weight:900}.quiz-complete-card h2{color:#06143b;margin:0;font-size:34px;font-weight:900;line-height:1.05}.quiz-complete-score{color:#52627f;margin:18px auto 12px;font-size:20px;font-weight:800}.quiz-complete-score span{color:#0875ff;font-size:42px;font-weight:900}.quiz-complete-copy{color:#52627f;max-width:420px;margin:0 auto 22px;font-size:16px;font-weight:650;line-height:1.45}.quiz-complete-btn{max-width:420px}@media (width<=900px){.quiz-page{padding:14px 10px 22px}.quiz-header{gap:10px;min-height:56px;margin-bottom:2px}.quiz-robot-mark{transform-origin:0;flex-basis:70px;margin-right:-26px;transform:scale(.62)}.quiz-header h2{font-size:27px}.quiz-stage{border-radius:24px;padding:14px}.quiz-progress{gap:14px;margin-bottom:12px}.quiz-progress-label,.quiz-progress-count{font-size:17px}.quiz-progress-track{height:12px}.quiz-card{border-radius:21px;padding:18px 18px 16px}.quiz-question-row{gap:14px;margin-bottom:14px}.quiz-question-icon{border-radius:15px;flex-basis:54px;width:54px;height:54px}.quiz-question-icon svg{width:28px;height:28px}.quiz-question-text{font-size:24px;line-height:1.14}.quiz-options{gap:9px}.quiz-option{border-radius:14px;gap:12px;min-height:58px;padding:8px 11px}.quiz-option-letter{border-radius:10px;flex-basis:40px;width:40px;height:40px;font-size:23px}.quiz-option-copy{font-size:17px;line-height:1.24}.quiz-option-check{flex-basis:32px;width:32px;height:32px}.quiz-option-check svg{width:20px;height:20px}.quiz-next-btn{border-radius:14px;min-height:50px;margin-top:12px;font-size:18px}.quiz-next-btn svg{width:23px;height:23px;right:18px}.quiz-complete-card{padding:26px 22px 22px}.quiz-complete-icon{border-radius:18px;width:62px;height:62px}.quiz-complete-card h2{font-size:28px}.quiz-complete-score span{font-size:34px}}@media (width<=640px){.quiz-page{padding:10px 8px 18px}.quiz-spark,.quiz-orbit{display:none}.quiz-header{gap:8px;min-height:48px;margin-bottom:2px}.quiz-robot-mark{transform-origin:0;flex-basis:60px;margin-right:-32px;transform:scale(.55)}.quiz-header h2{font-size:21px}.quiz-stage{border-radius:22px;padding:12px}.quiz-progress{grid-template-columns:1fr auto;gap:8px 12px;margin-bottom:10px}.quiz-progress-label,.quiz-progress-count{font-size:15px}.quiz-progress-track{grid-column:1/-1;height:10px}.quiz-card{border-radius:18px;padding:14px 12px 13px}.quiz-question-row{gap:10px;margin-bottom:12px}.quiz-question-icon{border-radius:12px;flex-basis:44px;width:44px;height:44px}.quiz-question-icon svg{width:23px;height:23px}.quiz-question-text{font-size:20px;line-height:1.12}.quiz-options{gap:8px}.quiz-option{border-radius:13px;gap:9px;min-height:50px;padding:7px 9px}.quiz-option-letter{border-radius:9px;flex-basis:34px;width:34px;height:34px;font-size:20px}.quiz-option-copy{font-size:15px;line-height:1.2}.quiz-option-check{flex-basis:28px;width:28px;height:28px}.quiz-option-check svg{width:18px;height:18px}.quiz-next-btn{border-radius:13px;min-height:46px;margin-top:10px;font-size:17px}.quiz-next-btn svg{width:21px;height:21px;right:16px}.quiz-complete-card{padding:22px 16px 18px}.quiz-complete-icon{border-radius:16px;width:54px;height:54px}.quiz-complete-icon svg{width:28px;height:28px}.quiz-complete-card h2{font-size:24px}.quiz-complete-score{font-size:16px}.quiz-complete-score span{font-size:30px}.quiz-complete-copy{margin-bottom:16px;font-size:14px}}.reward-page{max-width:900px;margin:40px auto;padding:20px}.reward-header{text-align:center;margin-bottom:40px}.reward-header h2{color:#333;font-size:28px;font-weight:400}.reward-grid{flex-wrap:wrap;justify-content:center;gap:20px;display:flex}.reward-card{text-align:center;background:#fff;border:1px solid #e0e0e0;border-radius:16px;flex-direction:column;align-items:center;width:220px;padding:32px 24px;transition:box-shadow .25s,transform .25s,border-color .25s;display:flex}.reward-card:hover{border-color:#c7c7c7;transform:translateY(-3px);box-shadow:0 8px 28px #0000001a}.reward-img-wrap{background:#000;border-radius:50%;flex:0 0 90px;justify-content:center;align-items:center;width:90px;height:90px;margin:0 auto 20px;display:flex;overflow:hidden;box-shadow:0 4px 14px #0000002e}.reward-img{object-fit:cover;width:90px;height:90px;box-shadow:none;transform-origin:50%;border-radius:0;margin:0;display:block}.reward-img-verified{transform:scale(2)}.reward-img-followers,.reward-img-stickers{transform:scale(1.8)}.reward-img-igfilter{transform:scale(2.74)}.reward-title{color:#1a1a1a;margin:0 0 8px;font-size:17px;font-weight:600;line-height:1.3}.reward-desc{color:#888;flex:1;margin:0 0 20px;font-size:13px;line-height:1.5}.reward-select-btn{color:#833ab4;cursor:pointer;background:0 0;border:1.5px solid #833ab4;border-radius:8px;width:100%;padding:10px 28px;font-size:14px;font-weight:600;transition:background .2s,color .2s}.reward-select-btn:hover{color:#fff;background:#833ab4}.teacher-panel{background:#fff;border-radius:8px;max-width:1000px;margin:40px auto;padding:40px;box-shadow:0 4px 12px #0000001a}.teacher-panel h2{color:#222;margin-top:0}.btn-clear{color:#fff;cursor:pointer;background:#e81123;border:none;border-radius:4px;margin-bottom:20px;padding:8px 16px}.teacher-table{border-collapse:collapse;width:100%}.teacher-table th,.teacher-table td{text-align:left;border:1px solid #ddd;padding:12px}.teacher-table th{background:#f9f9f9}