/* Login-only styles keep the admin and account pages independent. */
.signin-page{background:#f7f5ef;color:#27243e;display:grid;place-items:center;padding:40px 24px;min-height:100vh;min-height:100dvh}
.signin-shell{width:min(1080px,100%);display:grid;grid-template-columns:1.08fr 1fr;background:#fff;border:1px solid #e8e4dd;border-radius:30px;overflow:hidden;box-shadow:0 24px 80px #3424510d}
.welcome{background:#eeebff;position:relative;padding:40px 44px 30px;overflow:hidden;display:flex;flex-direction:column}
.signin-brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:800;letter-spacing:-.5px}
.brand-mark{display:grid;place-items:center;background:#6650d8;color:#fff;width:38px;height:38px;border-radius:12px;font-size:26px}
.welcome-copy{margin-top:64px;position:relative;z-index:1}.eyebrow,.panel-label{font-size:10px;font-weight:800;letter-spacing:1.8px;color:#675985}
.welcome h1{font-size:clamp(34px,4vw,48px);line-height:1.12;letter-spacing:-2px;margin:18px 0 20px;font-weight:850}.welcome h1 span{color:#6650d8}
.welcome-copy p{max-width:350px;font-size:15px;line-height:1.8;color:#66617d;margin:0}
.math-playground{position:relative;height:244px;margin-top:25px}.math-playground:before{content:"";position:absolute;width:235px;height:235px;border:1px dashed #c9c0ef;border-radius:50%;left:65px;top:8px}
.math-tile{position:absolute;width:84px;height:84px;border-radius:24px;display:grid;place-items:center;font-size:61px;line-height:1;font-weight:650;box-shadow:0 10px 0 #31284a0a}
.tile-plus{background:#ffd479;color:#765014;left:35px;top:18px;transform:rotate(-12deg)}.tile-times{background:#6650d8;color:white;left:155px;top:0;transform:rotate(12deg)}.tile-equals{background:#ff9e8e;color:#7f3f35;left:260px;top:75px;transform:rotate(-9deg)}.tile-divide{background:#a9ddcd;color:#286455;left:126px;top:106px;transform:rotate(9deg)}
.spark{position:absolute;color:#8870d9;font-size:29px}.spark-one{left:320px;top:0}.spark-two{left:13px;top:140px;font-size:38px}
.progress-note{position:absolute;left:50px;bottom:0;display:flex;align-items:center;gap:12px;background:#ffffffed;padding:13px 20px;border:1px solid #fff;border-radius:16px;box-shadow:0 8px 25px #68529912;transform:rotate(-3deg);font-size:13px;font-weight:800}.progress-note div span{display:block;font-size:11px;color:#797187;font-weight:500;margin-top:4px}.note-star{background:#fff3cd;color:#b67a00;border-radius:12px;padding:8px;font-size:23px}
.welcome-footer{margin-top:auto;padding-top:32px;display:flex;align-items:center;gap:8px;color:#776e90;font-size:11px}.little-dot{width:6px;height:6px;background:#8a78c6;border-radius:50%}
.signin-panel{padding:43px 48px 30px;display:flex;flex-direction:column}.panel-label{align-self:flex-end;display:flex;gap:7px;align-items:center;color:#837b96}.panel-label span{color:#6650d8;font-size:15px}
.signin-form{margin-top:36px}.hello-mark{width:43px;height:43px;border-radius:14px;background:#f2efff;color:#6650d8;display:grid;place-items:center;font-size:29px;margin-bottom:20px}
.signin-form h2{font-size:31px;letter-spacing:-1px;margin:0 0 10px;line-height:1.2}.signin-intro{font-size:13px;line-height:1.8;color:#797486;margin:0 0 28px}
.signin-form .field{margin:18px 0;gap:9px}.signin-form label{font-size:12px;font-weight:750}.signin-form input{border:1px solid #e2dfea;background:#fcfbfe;border-radius:11px;min-height:51px;padding:13px 15px;font-size:14px;transition:border-color .2s,box-shadow .2s}.signin-form input::placeholder{color:#9a94a6}.signin-form input:focus{border-color:#8870df;box-shadow:0 0 0 4px #6650d810}.password-label{display:flex;justify-content:space-between;align-items:center;gap:12px}.password-label a{font-size:11px;font-weight:650;color:#6650d8;text-decoration:none}
.signin-button{display:flex;align-items:center;justify-content:space-between;margin-top:26px;background:#6650d8;border-radius:11px;box-shadow:0 6px 14px #6650d822;font-size:13px;min-height:51px;transition:background .2s,transform .2s}.signin-button:hover{background:#5640c5;transform:translateY(-1px)}.signin-button span:last-child{font-size:22px;font-weight:400}.signin-button:disabled{opacity:.7;cursor:wait}.signin-caption{text-align:center;font-size:10px;color:#938b9f;margin:15px 0 30px}
.student-note{display:flex;align-items:flex-start;gap:12px;background:#f7f8fc;border:1px solid #eceef5;border-radius:14px;padding:16px;margin-top:auto}.student-icon{font-size:25px;color:#6650d8;line-height:1}.student-note strong{font-size:12px}.student-note p{font-size:11px;line-height:1.7;color:#797486;margin:4px 0 0}.account-link{align-self:center;color:#8c8499;font-size:10px;text-decoration:none;margin-top:21px}.account-link span{margin-left:5px}.signin-panel a:hover{text-decoration:underline}.signin-form .notice{font-size:13px;line-height:1.5;margin-bottom:15px}
@media(max-width:850px){.welcome{padding:34px 30px}.signin-panel{padding:36px 30px}.math-playground{transform:scale(.88);transform-origin:left center}.welcome h1{font-size:38px}}
@media(max-width:650px){.signin-page{padding:16px}.signin-shell{grid-template-columns:1fr;border-radius:24px;max-width:450px}.welcome{padding:24px}.welcome-copy{margin-top:24px}.welcome h1{font-size:34px;letter-spacing:-1.4px;margin:12px 0}.welcome-copy p{font-size:13px;line-height:1.6}.math-playground,.welcome-footer{display:none}.signin-panel{padding:26px 24px}.panel-label{align-self:flex-start}.signin-form{margin-top:22px}.hello-mark{display:none}.signin-form h2{font-size:28px}.signin-intro{margin-bottom:22px}.signin-caption{margin-bottom:24px}}
@media(prefers-reduced-motion:reduce){.signin-button:hover{transform:none}}