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voice-breathe}.voice-orb.is-speaking{animation:.8s ease-in-out infinite voice-breathe;background:#2c8caf}.course-screen{position:relative}.course-screen:before{content:"";position:fixed;z-index:-1;pointer-events:none;background:linear-gradient(180deg,var(--course-bg)0,transparent 48%);inset:0}.course-hero,.course-card-band,.course-practice-banner{background:var(--course-hero)}.course-card{border:1px solid var(--course-border)}.confetti-burst{animation:.42s cubic-bezier(.2,.9,.25,1.2) both celebration-pop}.confetti-burst>div:first-child span{color:var(--coral);animation:1.6s ease-in infinite confetti-fall}.confetti-burst>div:first-child span:nth-child(2n){color:var(--accent);animation-delay:.18s}.confetti-burst>div:first-child span:nth-child(3n){color:#e3a127;animation-delay:.32s}@keyframes celebration-pop{0%{opacity:0;transform:scale(.82)rotate(-2deg)}to{opacity:1;transform:scale(1)rotate(0)}}@keyframes confetti-fall{0%{transform:translateY(-18px)rotate(0);opacity:1}to{transform:translateY(120px)rotate(260deg);opacity:0}}@keyframes message-in{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.45}30%{transform:translateY(-3px);opacity:1}}@keyframes voice-ring{0%{transform:scale(.9);opacity:.7}to{transform:scale(1.35);opacity:0}}@keyframes voice-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}@media (prefers-color-scheme:dark){:root{--bg:#0e1924;--bg-translucent:#0e1924e6;--surface:#182736;--surface-translucent:#182736ed;--teacher:#1d3041;--text:#f3f7fa;--dim:#a8b8c5;--border:#2d4354;--accent:#4fc4ae;--accent-soft:#4fc4ae24;--navy:#2c5a73;--coral:#ff8a7d;--success:#5fd1a8;--danger:#e56962;--danger-soft:#e5696224;--connected-bg:#4fc4ae1f;--correction-bg:#322a2b;--correction-border:#59413f;--course-bg:#4fc4ae14;--course-hero:#17675f;--course-border:#4fc4ae40;--premium:#f0c66e;--premium-soft:#f0c66e1f;--premium-border:#f0c66e61}}@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}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@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-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-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}