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#1e50b414,0 16px 48px #143ca012,inset 0 1px 0 #ffffffd9,inset 0 0 0 .5px #ffffff73;--glass-shadow-lg:0 2px 4px #1e50b40f,0 8px 24px #1e50b41a,0 24px 64px #143ca017,inset 0 1px 0 #ffffffeb,inset 0 0 0 .5px #ffffff8c;--glass-specular:linear-gradient(125deg,#ffffff9e,#dcebff59 18%,#bed7ff14 42%,transparent 56%,#c8dcff0a);--glass-refraction-edge:linear-gradient(90deg,transparent 5%,#fffffffa 20%,#fffffffa 80%,transparent 95%);--glass-radius:22px;--glass-radius-lg:28px;--bg-page:var(--bg);--bg-surface:var(--glass-bg);--bg-card:var(--glass-bg);--bg-elevated:var(--glass-bg-light);--bg-hover:#1e50c80a;--border-subtle:var(--glass-border-subtle);--shadow-card:var(--glass-shadow);--shadow-lg:var(--glass-shadow-lg);--text-1:var(--text);--accent-purple:var(--violet);--purple-surface:var(--violet-light);--topbar-bg:#c8e1ff59;--menu-bg:var(--glass-bg-heavy);--chat-bg:var(--glass-bg-heavy);--orb-core:radial-gradient(circle at 35% 35%,#60a5fa,#2563eb,#1e40af);--fc-correct:var(--green-light);--fc-wrong:var(--rose-light);--fc-trick:var(--coral-light);--fc-tip:var(--green-light)}:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}[role=button]:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:2px;box-shadow:0 0 0 2px #60a5fa40}:focus:not(:focus-visible){box-shadow:none;outline:none}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-nav:focus,.sr-only-focusable:focus{clip:auto;white-space:normal;width:auto;height:auto;margin:0;padding:8px 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.35s;position:relative;overflow:hidden}.glass-card:before{border-radius:inherit;background:var(--glass-specular);transition:opacity .4s;inset:0}.glass-card:after,.glass-card:before{content:"";pointer-events:none;z-index:1;position:absolute}.glass-card:after{background:var(--glass-refraction-edge);height:1.5px;top:0;left:5%;right:5%}.glass-card:hover{box-shadow:var(--glass-shadow-lg);border-top-color:var(--glass-edge-top);transform:translateY(-3px)scale(1.008)}.glass-card:active{box-shadow:var(--glass-shadow);transition-duration:.1s;transform:translateY(0)scale(.997)}.glass,.glass-card,.glass-heavy{isolation:isolate}.glass-noise{border-radius:inherit;opacity:.035;pointer-events:none;z-index:2;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:200px 200px;position:absolute;inset:0}.glass-input{background:var(--glass-bg-light);-webkit-backdrop-filter:blur(16px)saturate(180%);color:var(--text);font-size:14px;font-family:var(--font-body,sans-serif);border:.5px solid #ffffff40;border-radius:12px;outline:none;padding:10px 14px;transition:border-color .2s,box-shadow .2s;box-shadow:inset 0 1px #ffffff4d,inset 0 0 0 .5px #ffffff26}.glass-input:focus{border-color:var(--blue);box-shadow:inset 0 1px #ffffff4d,0 0 0 3px #2563eb26}.glass-input::placeholder{color:var(--text-3)}.glass-btn{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px)saturate(180%);color:var(--text);cursor:pointer;font-size:14px;font-weight:600;font-family:var(--font-body,sans-serif);box-shadow:var(--glass-shadow);border:.5px solid #ffffff4d;border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:10px 22px;transition:all .2s cubic-bezier(.22,1,.36,1);display:inline-flex;position:relative}.glass-btn:hover{box-shadow:var(--glass-shadow-lg);background:var(--glass-bg-heavy);transform:translateY(-1px)}.glass-btn:active{box-shadow:var(--glass-shadow);transform:translateY(0)scale(.98)}.glass-btn-primary{color:var(--blue-hover,#93c5fd);background:#fff3;border-color:#ffffff4d}.glass-btn-primary:hover{background:#ffffff4d}.glass-tabs{background:var(--glass-bg-light);-webkit-backdrop-filter:blur(20px)saturate(180%);border:.5px solid #fff3;border-radius:16px;gap:2px;padding:3px;display:inline-flex;box-shadow:inset 0 1px #ffffff26}.glass-tab{color:var(--text-3);cursor:pointer;font-size:13px;font-weight:600;font-family:var(--font-body,sans-serif);background:0 0;border:none;border-radius:13px;padding:6px 20px;transition:all .25s}.glass-tab:hover{color:var(--text-2);background:var(--glass-bg-light)}.glass-tab[data-active=true]{color:var(--text);background:var(--glass-bg-heavy);box-shadow:0 1px 4px #1e50b414,inset 0 1px #ffffff80}.btn-3d{transition:all .1s;position:relative;top:0}.btn-3d:active{top:3px}.btn-3d-blue{-webkit-backdrop-filter:blur(12px)saturate(160%);color:#fff;box-shadow:0 4px 0 var(--btn-shadow),inset 0 1px 0 #ffffff40;background:linear-gradient(135deg,#2563ebd9,#2563ebb3);border:1px solid #fff3}.btn-3d-blue:active{box-shadow:0 0 0 var(--btn-shadow)}.btn-3d-green{-webkit-backdrop-filter:blur(12px)saturate(160%);color:#fff;box-shadow:0 4px 0 var(--btn-shadow-green),inset 0 1px 0 #ffffff40;background:linear-gradient(135deg,#16a34ad9,#16a34ab3);border:1px solid #fff3}.btn-3d-green:active{box-shadow:0 0 0 var(--btn-shadow-green)}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-3px)}80%{transform:translate(3px)}}@keyframes pop{0%{opacity:0;transform:scale(.9)}60%{transform:scale(1.05)}to{opacity:1;transform:scale(1)}}@keyframes orb-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}@keyframes orb-ring{0%{opacity:1;transform:scale(.8)}to{opacity:0;transform:scale(2.2)}}@keyframes fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes cursor-blink{0%,to{opacity:1}50%{opacity:0}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes fab-pulse{0%,to{box-shadow:0 4px 20px var(--ai-glow,#60a5fa40)}50%{box-shadow:0 4px 32px var(--ai-glow,#60a5fa40),0 0 0 8px #60a5fa0f}}@keyframes pop-in{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.onboarding-progress{background:var(--surface-sunken);z-index:100;height:4px;position:fixed;top:0;left:0;right:0}.onboarding-progress-fill{background:linear-gradient(90deg,var(--blue),var(--violet,#7c3aed));border-radius:0 2px 2px 0;height:100%;transition:width .5s}.onboarding-screen{justify-content:center;align-items:center;min-height:100vh;padding:24px 20px;display:flex}.onboarding-inner{text-align:center;flex-direction:column;align-items:center;width:100%;max-width:420px;display:flex}.choice-wide{text-align:right;flex-direction:row;gap:14px;padding:18px 20px}.choice-soon{opacity:.5;pointer-events:none}.soon-badge{background:var(--gold-light);color:var(--gold);border-radius:6px;padding:2px 8px;font-size:12px;font-weight:700}@keyframes confetti-fall{0%{opacity:1;transform:translateY(0)rotate(0)}to{opacity:0;transform:translateY(60vh)rotate(2turn)}}.study-view{flex-direction:column;height:calc(100vh - 48px);display:flex;overflow:hidden}.view-header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:10px;padding:16px 20px;display:flex}.view-title{font-size:18px;font-weight:800}@keyframes slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes xaminy-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.flow-card{justify-content:center;align-items:flex-start;padding:20px 16px;display:flex;position:absolute;inset:0;overflow-y:auto}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}