.app-root{min-height:100%;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:20;background:var(--ub-surface);border-bottom:1px solid var(--ub-border)}.app-header__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--ub-space-4);height:var(--ub-header-h)}.app-brand{display:inline-flex;align-items:center;padding:var(--ub-space-2)}.app-body{flex:1;display:grid;grid-template-columns:var(--ub-sidebar-w) minmax(0,1fr);align-items:start;gap:var(--ub-space-7)}.app-sidebar{position:sticky;top:var(--ub-header-h);display:flex;flex-direction:column;gap:var(--ub-space-1);height:calc(100vh - var(--ub-header-h));padding:var(--ub-space-6) 0}.app-nav-link{position:relative;display:flex;align-items:center;gap:var(--ub-space-3);min-height:var(--ub-touch);padding:0 var(--ub-space-4);border-radius:var(--ub-radius-button);color:var(--ub-text-secondary);font-size:var(--ub-fs-nav);font-weight:600;transition:background-color var(--ub-duration-hover) var(--ub-ease),color var(--ub-duration-hover) var(--ub-ease)}.app-nav-link:hover,.app-nav-link.active{background:var(--ub-tint);color:var(--ub-navy)}.app-nav-link.active:before{content:"";position:absolute;left:0;top:50%;translate:0 -50%;width:3px;height:var(--ub-space-6);border-radius:var(--ub-radius-pill);background:var(--ub-gradient-brand)}.app-nav-icon{font-size:var(--ub-fs-lead);line-height:1}.app-sidebar__footer{margin-top:auto;padding:var(--ub-space-4);border-top:1px solid var(--ub-border)}.app-sidebar__footer strong{color:var(--ub-navy);font-weight:600}.app-main{min-width:0;padding:var(--ub-space-7) 0 var(--ub-space-8)}.app-tabbar{display:none}@media(max-width:1024px)and (min-width:768px){.app-body{grid-template-columns:var(--ub-space-9) minmax(0,1fr);gap:var(--ub-space-5)}.app-nav-link{flex-direction:column;justify-content:center;gap:var(--ub-space-1);min-height:var(--ub-space-9);padding:var(--ub-space-2);font-size:var(--ub-fs-meta);text-align:center}.app-nav-link.active:before{display:none}.app-nav-link.active{box-shadow:inset 0 0 0 1px var(--ub-blue)}.app-sidebar__footer{display:none}}@media(max-width:767px){.app-body{grid-template-columns:minmax(0,1fr);gap:0}.app-sidebar{display:none}.app-main{padding:var(--ub-space-6) 0 calc(var(--ub-tabbar-h) + var(--ub-space-7))}.app-tabbar{display:block;position:fixed;inset:auto 0 0 0;z-index:30;background:var(--ub-surface);border-top:1px solid var(--ub-border);padding-bottom:env(safe-area-inset-bottom)}.app-tabbar__inner{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));height:var(--ub-tabbar-h)}.app-tab-link{position:relative;display:grid;place-content:center;justify-items:center;gap:var(--ub-space-1);min-height:var(--ub-touch);color:var(--ub-text-secondary);font-size:var(--ub-fs-meta);font-weight:600}.app-tab-link.active{color:var(--ub-navy)}.app-tab-link.active:before{content:"";position:absolute;top:0;width:var(--ub-space-7);height:3px;border-radius:var(--ub-radius-pill);background:var(--ub-gradient-brand)}.app-tab-label{white-space:nowrap}}.page{display:grid;gap:var(--ub-space-8);align-content:start}.page__head{display:grid;gap:var(--ub-space-2)}.page__section{display:grid;gap:var(--ub-space-5)}.page__section-head{display:flex;align-items:baseline;justify-content:space-between;gap:var(--ub-space-3)}.page__actions{display:flex;flex-wrap:wrap;gap:var(--ub-space-3)}.row-card{display:flex;align-items:center;justify-content:space-between;gap:var(--ub-space-4);flex-wrap:wrap}.row-card>div{display:grid;gap:var(--ub-space-1)}.chart{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:var(--ub-space-2);height:var(--ub-space-10)}.chart__col{display:grid;grid-template-rows:auto 1fr auto;justify-items:center;gap:var(--ub-space-2)}.chart__track{display:flex;align-items:flex-end;width:100%;max-width:var(--ub-space-8);height:100%}.chart__bar{width:100%;min-height:var(--ub-space-1);border-radius:var(--ub-radius-small);background:var(--ub-blue)}.subject-row{display:grid;gap:var(--ub-space-3)}.today{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,280px);gap:var(--ub-space-7);padding:var(--ub-space-7)}.today__main{display:grid;gap:var(--ub-space-3);align-content:start}.today__cta{justify-self:start;margin-top:var(--ub-space-2)}.today__breakdown{display:grid;align-content:start;gap:var(--ub-space-1);margin:0;padding:0;list-style:none}.today__row{display:flex;align-items:center;justify-content:space-between;gap:var(--ub-space-3);padding:var(--ub-space-3) var(--ub-space-4);border-radius:var(--ub-radius-small);background:var(--ub-bg);font-size:var(--ub-fs-nav)}.today__subject{font-weight:500}.today__count{font-weight:700;font-variant-numeric:tabular-nums;color:var(--ub-navy)}.goal{display:grid;gap:var(--ub-space-3)}.goal__head{display:flex;align-items:baseline;justify-content:space-between;gap:var(--ub-space-3)}@media(max-width:1024px){.today{grid-template-columns:minmax(0,1fr);gap:var(--ub-space-6);padding:var(--ub-space-6)}}@media(max-width:767px){.today__cta{justify-self:stretch}}.filters{display:flex;flex-wrap:wrap;gap:var(--ub-space-2)}.filters__chip{display:inline-flex;align-items:center;gap:var(--ub-space-1);min-height:var(--ub-touch);padding:0 var(--ub-space-4);border:1px solid var(--ub-border);border-radius:var(--ub-radius-button);background:var(--ub-surface);color:var(--ub-text-secondary);font-size:var(--ub-fs-nav);font-weight:600;transition:background-color var(--ub-duration-hover) var(--ub-ease),color var(--ub-duration-hover) var(--ub-ease),border-color var(--ub-duration-hover) var(--ub-ease)}.filters__chip:hover{background:var(--ub-tint);color:var(--ub-navy)}.filters__chip--active{background:var(--ub-tint);border-color:var(--ub-blue);color:var(--ub-navy)}.flashcard{display:grid;gap:var(--ub-space-2)}.flashcard__question{font-size:var(--ub-fs-h4)}.login{min-height:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));background:var(--ub-surface)}.login__panel{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:var(--ub-space-6);width:100%;max-width:520px;margin:0 auto;padding:var(--ub-space-8) var(--ub-space-7)}.login__copy{display:grid;gap:var(--ub-space-3)}.login__visual{display:grid;place-items:center;padding:var(--ub-space-7);background:var(--ub-bg);border-left:1px solid var(--ub-border)}.login__preview{display:grid;gap:var(--ub-space-3);justify-items:start;width:min(320px,100%)}.login__preview .ub-progress{width:100%}.login__question{font-family:var(--ub-font-heading);font-size:var(--ub-fs-h3);font-weight:700}@media(max-width:1024px){.login{grid-template-columns:minmax(0,1fr)}.login__visual{display:none}.login__panel{min-height:100vh;padding:var(--ub-space-8) var(--ub-space-5)}}.study{max-width:720px}.study__card{display:grid;align-content:center;justify-items:start;gap:var(--ub-space-3);min-height:var(--ub-space-10);padding:var(--ub-space-7)}.study__question{font-family:var(--ub-font-heading);font-size:var(--ub-fs-h2);font-weight:700;line-height:1.3;letter-spacing:-.015em}.study__answer{font-size:var(--ub-fs-lead);line-height:1.6;color:var(--ub-text-secondary)}.study__ratings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--ub-space-3)}.ub-logo{display:block;width:auto;max-width:100%}.ub-logo--header{height:30px}.ub-logo--auth{height:40px}.stat-card{display:grid;gap:var(--ub-space-1)}.stat-card__value{font-family:var(--ub-font-body);font-size:var(--ub-fs-h2);font-weight:700;line-height:1.2;letter-spacing:-.02em;color:var(--ub-navy);font-variant-numeric:tabular-nums}.subject-card{display:grid;gap:var(--ub-space-4);align-content:start}.subject-card__head{display:flex;align-items:center;gap:var(--ub-space-3)}.subject-card__icon{display:grid;place-items:center;flex:none;width:var(--ub-space-8);height:var(--ub-space-8);border-radius:var(--ub-radius-button);background:var(--ub-tint);font-size:var(--ub-fs-h3)}.subject-card__meta{display:flex;justify-content:space-between;gap:var(--ub-space-3)}.subject-card__meta strong{color:var(--ub-navy);font-weight:600;font-variant-numeric:tabular-nums}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-wght-normal-Dx4kXJAl.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-ext-wght-normal-DO1Apj_S.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Nunito Sans Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-sans-latin-wght-normal-BWQ3gi2K.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Nunito Sans Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-sans-latin-ext-wght-normal-DMEAsnHD.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}:root{--ub-content-max: 1400px;--ub-gutter-desktop: 25px;--ub-gutter-mobile: 10px;--ub-space-1: 4px;--ub-space-2: 8px;--ub-space-3: 12px;--ub-space-4: 16px;--ub-space-5: 20px;--ub-space-6: 24px;--ub-space-7: 32px;--ub-space-8: 48px;--ub-space-9: 64px;--ub-space-10: 96px;--ub-navy: #0A1560;--ub-navy-deep: #031A5D;--ub-blue: #0A74F0;--ub-blue-bright: #046BF3;--ub-cyan: #22D3EE;--ub-cyan-bright: #12D6FE;--ub-violet: #7B3FF0;--ub-magenta: #AF25FC;--ub-bg: #F7F9FE;--ub-surface: #FFFFFF;--ub-text: #0A1560;--ub-text-secondary: #64748B;--ub-text-muted: #94A3B8;--ub-border: #E5EAF3;--ub-tint: #EEF3FE;--ub-track: #E9EDF7;--ub-success: #10B981;--ub-warning: #F59E0B;--ub-error: #EF4444;--ub-radius-small: 8px;--ub-radius-button: 13px;--ub-radius-card: 18px;--ub-radius-large: 24px;--ub-radius-pill: 999px;--ub-gradient-brand: linear-gradient( 135deg, #046BF3 0%, #12D6FE 38%, #7B3FF0 70%, #AF25FC 100% );--ub-gradient-cta: linear-gradient( 135deg, #0A6BE2 0%, #5C59F6 55%, #7B3FF0 100% );--ub-shadow: 0 8px 24px rgba(10, 21, 96, .06);--ub-shadow-hover: 0 12px 30px rgba(10, 21, 96, .1);--ub-ease: cubic-bezier(.22, .6, .2, 1);--ub-duration-hover: .15s;--ub-duration-state: .25s;--ub-font-heading: "Nunito Sans Variable", "Nunito Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--ub-font-body: "Inter Variable", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--ub-fs-h1: 36px;--ub-fs-h2: 28px;--ub-fs-h3: 20px;--ub-fs-h4: 18px;--ub-fs-lead: 18px;--ub-fs-body: 16px;--ub-fs-nav: 15px;--ub-fs-button: 15px;--ub-fs-meta: 13px;--ub-header-h: 72px;--ub-tabbar-h: 64px;--ub-sidebar-w: 256px;--ub-touch: 44px}@media(max-width:1024px){:root{--ub-fs-h1: 32px;--ub-fs-h2: 26px}}@media(max-width:767px){:root{--ub-fs-h1: 28px;--ub-fs-h2: 24px}}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--ub-bg);color:var(--ub-text);font-family:var(--ub-font-body);font-size:var(--ub-fs-body);font-weight:400;line-height:1.6;-webkit-font-smoothing:antialiased}.ub-shell{width:min(var(--ub-content-max),calc(100% - (2 * var(--ub-gutter-desktop))));margin-inline:auto}@media(max-width:1024px){.ub-shell{width:calc(100% - (2 * var(--ub-gutter-mobile)))}}h1,h2,h3,h4{margin:0;font-family:var(--ub-font-heading);line-height:1.25;letter-spacing:-.015em;color:var(--ub-text)}h1{font-size:var(--ub-fs-h1);font-weight:800}h2{font-size:var(--ub-fs-h2);font-weight:700}h3{font-size:var(--ub-fs-h3);font-weight:700}h4{font-size:var(--ub-fs-h4);font-weight:700}p{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}img{max-width:100%}:focus-visible{outline:2px solid var(--ub-blue);outline-offset:3px}.ub-lead{font-size:var(--ub-fs-lead);line-height:1.6;color:var(--ub-text-secondary)}.ub-muted{color:var(--ub-text-secondary)}.ub-meta{font-size:var(--ub-fs-meta);font-weight:500;color:var(--ub-text-secondary)}.ub-label{font-size:var(--ub-fs-meta);font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ub-text-secondary)}.ub-card{background:var(--ub-surface);border:1px solid var(--ub-border);border-radius:var(--ub-radius-card);box-shadow:var(--ub-shadow);padding:var(--ub-space-6)}.ub-card--compact{padding:var(--ub-space-4)}.ub-grid{display:grid;gap:var(--ub-space-5)}.ub-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.ub-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}.ub-stack{display:grid;gap:var(--ub-space-4)}@media(max-width:1024px){.ub-grid--3,.ub-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}.ub-grid--3>:last-child:nth-child(odd),.ub-grid--4>:last-child:nth-child(odd){grid-column:span 2}}@media(max-width:767px){.ub-grid--3,.ub-grid--4{grid-template-columns:minmax(0,1fr)}}.ub-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--ub-space-2);min-height:48px;padding:var(--ub-space-3) var(--ub-space-6);border:1px solid transparent;border-radius:var(--ub-radius-button);font-family:var(--ub-font-body);font-size:var(--ub-fs-button);font-weight:600;line-height:1.2;transition:box-shadow var(--ub-duration-hover) var(--ub-ease),background-color var(--ub-duration-hover) var(--ub-ease)}.ub-btn--primary{background:var(--ub-gradient-cta);color:var(--ub-surface);box-shadow:var(--ub-shadow)}.ub-btn--primary:hover{box-shadow:var(--ub-shadow-hover)}.ub-btn--secondary{background:var(--ub-surface);color:var(--ub-navy);border-color:var(--ub-border)}.ub-btn--secondary:hover{background:var(--ub-tint)}.ub-link{color:var(--ub-navy);font-size:var(--ub-fs-nav);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color var(--ub-duration-hover) var(--ub-ease)}.ub-link:hover{color:var(--ub-blue)}.ub-pill{display:inline-block;padding:var(--ub-space-1) var(--ub-space-3);border-radius:var(--ub-radius-pill);background:var(--ub-tint);color:var(--ub-navy);font-size:var(--ub-fs-meta);font-weight:600;white-space:nowrap}.ub-progress{height:var(--ub-space-2);border-radius:var(--ub-radius-pill);background:var(--ub-track);overflow:hidden}.ub-progress>span{display:block;height:100%;border-radius:var(--ub-radius-pill);background:var(--ub-gradient-brand)}.ub-note{border:1px solid var(--ub-border);border-left:3px solid var(--ub-cyan);border-radius:var(--ub-radius-small);padding:var(--ub-space-3) var(--ub-space-4);background:var(--ub-surface);color:var(--ub-text-secondary);font-size:var(--ub-fs-meta);font-weight:500}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}