.top-bar{background:linear-gradient(180deg,#edebe8d9,#edebe8bf),radial-gradient(ellipse 100% 100% at 50% 0%,rgba(79,70,229,.03) 0%,transparent 50%);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid rgba(221,219,216,.6);padding:var(--spacing-md) var(--spacing-lg);position:sticky;top:0;z-index:100;box-shadow:0 1px 3px #0000000a,0 1px 1px #00000005}.top-bar__content{max-width:1400px;margin:0 auto;display:flex;align-items:center;gap:var(--spacing-xl)}.top-bar__logo{font-size:var(--font-size-h2);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);letter-spacing:-.01em;flex-shrink:0}.top-bar__logo-button{background:none;border:none;font-size:inherit;font-weight:inherit;color:inherit;letter-spacing:inherit;font-family:inherit;cursor:pointer;padding:0;transition:opacity var(--motion-duration-fast) var(--motion-easing-ease-out)}.top-bar__logo-button:hover{opacity:.7}.top-bar__nav{display:flex;align-items:center;gap:var(--spacing-xs);flex:1}.top-bar__nav-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-card);text-decoration:none;color:var(--color-text-primary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);transition:background-color var(--motion-duration-fast) var(--motion-easing-ease-out),color var(--motion-duration-fast) var(--motion-easing-ease-out),transform var(--motion-duration-fast) var(--motion-easing-ease-out);white-space:nowrap;background:none;border:none;font-family:var(--font-family-sans);cursor:pointer}.top-bar__nav-item:hover{background-color:#edebe899;transform:translateY(-1px)}.top-bar__nav-item:active{transform:translateY(0) scale(.98);transition-duration:var(--motion-duration-press)}.top-bar__nav-item--active{background-color:#4f46e51a;color:var(--color-primary-accent);font-weight:var(--font-weight-semibold)}.top-bar__nav-icon{font-size:1.125rem;flex-shrink:0;width:20px;text-align:center;line-height:1}.top-bar__title-section{margin-left:auto;flex-shrink:0}.top-bar__title{font-size:var(--font-size-h2);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);line-height:var(--line-height-tight);margin:0;letter-spacing:-.01em}.top-bar__actions{display:flex;align-items:center;gap:var(--spacing-md);margin-left:auto}.top-bar__auth-button{padding:var(--spacing-sm) var(--spacing-xl);border:1px solid var(--color-border-hairline);border-radius:var(--radius-card);background-color:var(--color-surface-card);color:var(--color-text-primary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);font-family:var(--font-family-sans);cursor:pointer;transition:transform var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out),background-color var(--motion-duration-fast) var(--motion-easing-ease-out);box-shadow:var(--shadow-subtle);white-space:nowrap}.top-bar__auth-button:hover{background-color:var(--color-background-base);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.top-bar__auth-button:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) scale(.98);transition-duration:var(--motion-duration-press)}.main-content{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden;position:relative;background:transparent}.layout{display:flex;flex-direction:column;width:100%;height:100vh;background-color:var(--color-background-base);background-image:url(/assets/background.png);background-size:cover;background-position:center center;background-repeat:no-repeat;background-attachment:fixed;position:relative}.layout:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-color:var(--color-background-base);opacity:.85;z-index:0}.layout-main-wrapper{display:flex;flex:1;min-width:0;overflow:hidden;position:relative;z-index:1}.page-content{flex:1;overflow-y:auto;padding:var(--spacing-lg);max-width:1400px;width:100%;margin:0 auto;position:relative;z-index:1}@media (min-width: 1920px){.page-content{max-width:1600px;padding:var(--spacing-xl)}}@media (max-width: 1024px){.page-content{padding:var(--spacing-md)}}@media (max-width: 768px){.page-content{padding:var(--spacing-sm)}}.page-transition{width:100%;height:100%;animation:fadeInSlide var(--motion-duration-normal) var(--motion-easing-ease-out)}.landing{position:relative;width:100%;height:100vh;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--color-background-base);background-image:url("data:image/svg+xml,%3Csvg width='1200' height='600' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,200 Q300,150 600,200 T1200,200' stroke='rgba(255,255,255,0.4)' stroke-width='2' fill='none'/%3E%3Cpath d='M0,250 Q400,200 800,250 T1600,250' stroke='rgba(255,255,255,0.35)' stroke-width='1.5' fill='none'/%3E%3Cpath d='M0,300 Q350,250 700,300 T1400,300' stroke='rgba(255,255,255,0.3)' stroke-width='1.5' fill='none'/%3E%3Cpath d='M0,150 Q250,100 500,150 T1000,150' stroke='rgba(255,255,255,0.45)' stroke-width='2.5' fill='none'/%3E%3Cpath d='M0,350 Q450,300 900,350 T1800,350' stroke='rgba(255,255,255,0.25)' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"),repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.01) 2px,rgba(0,0,0,.01) 4px);background-size:1200px 600px,100% 100%;background-position:center center,0 0;background-repeat:no-repeat,repeat;overflow-y:auto;overflow-x:hidden}.landing:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse 80% 60% at 50% 50%,rgba(255,255,255,.15) 0%,transparent 70%);pointer-events:none}.landing__header{position:absolute;top:0;left:0;right:0;padding:var(--spacing-lg);display:flex;justify-content:flex-end;z-index:10}.landing__auth-button{padding:var(--spacing-sm) var(--spacing-xl);border:1px solid var(--color-border-hairline);border-radius:var(--radius-card);background-color:var(--color-surface-card);color:var(--color-text-primary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);font-family:var(--font-family-sans);cursor:pointer;transition:transform var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out),background-color var(--motion-duration-fast) var(--motion-easing-ease-out);box-shadow:var(--shadow-subtle)}.landing__auth-button:hover{background-color:var(--color-background-base);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.landing__auth-button:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) scale(.98);transition-duration:var(--motion-duration-press)}.landing__content{position:relative;max-width:800px;margin:0 auto;text-align:center;padding:var(--spacing-xl);z-index:1;width:100%;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-lg);box-sizing:border-box;flex-shrink:0}.landing__brand{text-align:center;margin-bottom:var(--spacing-md);flex-shrink:0}.landing__brand-title{font-size:clamp(3rem,8vw,5rem);font-weight:var(--font-weight-bold);color:var(--color-primary-accent);margin:0;line-height:1;letter-spacing:-.02em}.landing__title{text-align:center;margin-bottom:var(--spacing-lg);flex-shrink:0}.landing__title h2{font-size:clamp(2rem,5vw,3.5rem);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);line-height:1.2;margin:0 0 var(--spacing-sm) 0;letter-spacing:-.02em}.landing__description{font-size:clamp(1rem,2vw,1.25rem);color:var(--color-text-muted);line-height:var(--line-height-relaxed);max-width:600px;width:100%;margin:0 auto}.landing__actions{display:flex;align-items:center;justify-content:center;gap:var(--spacing-lg);flex-wrap:wrap;width:100%;flex-shrink:0}.landing__button{display:flex;align-items:center;gap:var(--spacing-md);padding:calc(var(--spacing-lg) * .85) calc(var(--spacing-3xl) * .85);border:none;border-radius:var(--radius-card);font-size:clamp(.95rem,1.8vw,1.05rem);font-weight:var(--font-weight-semibold);font-family:var(--font-family-sans);cursor:pointer;transition:transform var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out),background-color var(--motion-duration-fast) var(--motion-easing-ease-out);box-shadow:var(--shadow-subtle);white-space:nowrap}.landing__button--primary{background-color:var(--color-primary-accent);color:#fff}.landing__button--primary:hover{background-color:var(--color-primary-accent-hover);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.landing__button--secondary{background-color:var(--color-surface-card);color:var(--color-text-primary);border:1px solid var(--color-border-hairline)}.landing__button--secondary:hover{background-color:var(--color-background-base);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.landing__button:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) scale(.98);transition-duration:var(--motion-duration-press)}.landing__button-icon{font-size:1.5rem;line-height:1;flex-shrink:0}.landing__faq{width:100%;max-width:700px;flex-shrink:0;margin-top:var(--spacing-xl)}.landing__faq-title{font-size:calc(var(--font-size-h2) * .9);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);text-align:center;margin:0 0 var(--spacing-xl) 0;letter-spacing:-.01em}.landing__faq-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.landing__faq-item{background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-card);transition:background-color var(--motion-duration-fast) var(--motion-easing-ease-out),transform var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out),border-color var(--motion-duration-fast) var(--motion-easing-ease-out);overflow:hidden}.landing__faq-item:hover{background:#ffffff26;transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:0 4px 12px #0000001a;border-color:#ffffff4d}.landing__faq-item--open{background:#ffffff1f;border-color:#ffffff40}.landing__faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg) var(--spacing-xl);background:none;border:none;color:var(--color-text-primary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);text-align:left;cursor:pointer;transition:color var(--motion-duration-fast) var(--motion-easing-ease-out);font-family:var(--font-family-sans);gap:var(--spacing-md)}.landing__faq-question:hover{color:var(--color-text-primary)}.landing__faq-question-text{flex:1;line-height:var(--line-height-normal)}.landing__faq-icon{font-size:1.5rem;font-weight:var(--font-weight-bold);color:var(--color-text-primary);line-height:1;width:24px;height:24px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform var(--motion-duration-normal) var(--motion-easing-ease-out);opacity:.8}.landing__faq-icon--open{transform:rotate(0)}.landing__faq-answer{padding:0 var(--spacing-xl) var(--spacing-lg) var(--spacing-xl);animation:fadeInDown var(--motion-duration-normal) var(--motion-easing-ease-out)}.landing__faq-answer-text{font-size:var(--font-size-body);color:var(--color-text-muted);line-height:var(--line-height-relaxed);margin:0;padding-top:var(--spacing-xs)}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.login-signup{min-height:100vh;display:flex;flex-direction:column;background-color:var(--color-background-base);position:relative}.login-signup__header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);position:relative;z-index:10}.login-signup__back-link,.login-signup__help-link{background:none;border:none;color:var(--color-primary-accent);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);cursor:pointer;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-card);transition:background-color var(--motion-duration-fast) var(--motion-easing-ease-out),opacity var(--motion-duration-fast) var(--motion-easing-ease-out);font-family:var(--font-family-sans);text-decoration:none;display:flex;align-items:center;gap:var(--spacing-xs)}.login-signup__back-link:hover,.login-signup__help-link:hover{background-color:var(--color-primary-accent-muted);opacity:.8}.login-signup__container{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);position:relative;z-index:1}.login-signup__form-wrapper{width:100%;max-width:440px;background-color:var(--color-surface-card);border:1px solid var(--color-border-hairline);border-radius:var(--radius-card);padding:var(--spacing-3xl);box-shadow:var(--shadow-hover)}.login-signup__title{font-size:2.5rem;font-weight:var(--font-weight-bold);color:var(--color-text-primary);text-align:center;margin:0 0 var(--spacing-sm) 0;letter-spacing:-.02em}.login-signup__subtitle{font-size:var(--font-size-body);color:var(--color-text-muted);text-align:center;margin:0 0 var(--spacing-2xl) 0}.login-signup__form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.login-signup__input-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.login-signup__label{font-size:var(--font-size-body);font-weight:var(--font-weight-medium);color:var(--color-text-primary);font-family:var(--font-family-sans)}.login-signup__input{padding:var(--spacing-md) var(--spacing-lg);border:1px solid var(--color-border-hairline);border-radius:var(--radius-card);background-color:var(--color-background-base);color:var(--color-text-primary);font-size:var(--font-size-body);font-family:var(--font-family-sans);transition:border-color var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out);outline:none}.login-signup__input:focus{border-color:var(--color-primary-accent);box-shadow:0 0 0 3px var(--color-primary-accent-muted)}.login-signup__input::placeholder{color:var(--color-text-muted);opacity:.6}.login-signup__submit-button{padding:var(--spacing-md) var(--spacing-2xl);border:none;border-radius:var(--radius-card);background-color:var(--color-primary-accent);color:#fff;font-size:var(--font-size-body);font-weight:var(--font-weight-semibold);cursor:pointer;transition:background-color var(--motion-duration-fast) var(--motion-easing-ease-out),transform var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out);font-family:var(--font-family-sans);margin-top:var(--spacing-sm);box-shadow:var(--shadow-subtle)}.login-signup__submit-button:hover{background-color:var(--color-primary-accent-hover);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.login-signup__submit-button:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) scale(.98);transition-duration:var(--motion-duration-press)}.login-signup__divider{display:flex;align-items:center;gap:var(--spacing-md);margin:var(--spacing-2xl) 0}.login-signup__divider-line{flex:1;height:1px;background-color:var(--color-border-hairline)}.login-signup__divider-text{font-size:var(--font-size-caption);color:var(--color-text-muted);font-weight:var(--font-weight-medium);text-transform:uppercase;letter-spacing:.05em}.login-signup__social-buttons{display:flex;flex-direction:column;gap:var(--spacing-md)}.login-signup__social-button{display:flex;align-items:center;justify-content:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);border:1px solid var(--color-border-hairline);border-radius:var(--radius-card);background-color:var(--color-surface-card);color:var(--color-text-primary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--motion-duration-fast) var(--motion-easing-ease-out),transform var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out),border-color var(--motion-duration-fast) var(--motion-easing-ease-out);font-family:var(--font-family-sans);box-shadow:var(--shadow-subtle)}.login-signup__social-button:hover{background-color:var(--color-background-base);border-color:var(--color-border-hairline);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.login-signup__social-button:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) scale(.98);transition-duration:var(--motion-duration-press)}.login-signup__social-icon{font-size:1.25rem;font-weight:var(--font-weight-bold);line-height:1;display:flex;align-items:center;justify-content:center;width:24px;height:24px}.login-signup__social-icon--google{background:linear-gradient(135deg,#4285f4,#34a853,#fbbc05 50%,#ea4335);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;color:transparent;font-size:1.5rem}.login-signup__social-icon--github{font-size:1.5rem;color:var(--color-text-primary)}.login-signup__footer{display:flex;align-items:center;justify-content:center;gap:var(--spacing-xs);margin-top:var(--spacing-2xl);padding-top:var(--spacing-xl);border-top:1px solid var(--color-border-hairline)}.login-signup__footer-text{font-size:var(--font-size-body);color:var(--color-text-muted)}.login-signup__footer-link{background:none;border:none;color:var(--color-primary-accent);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);cursor:pointer;padding:0;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:3px;transition:opacity var(--motion-duration-fast) var(--motion-easing-ease-out);font-family:var(--font-family-sans)}.login-signup__footer-link:hover{opacity:.8}@media (max-width: 768px){.login-signup__form-wrapper{padding:var(--spacing-xl)}.login-signup__title{font-size:2rem}.login-signup__container{padding:var(--spacing-lg)}}.confirmation-dialog-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0006;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn var(--motion-duration-fast) var(--motion-easing-ease-out)}.confirmation-dialog{background-color:var(--color-surface-card);border-radius:var(--radius-card);padding:var(--spacing-2xl);max-width:400px;width:90%;box-shadow:var(--shadow-hover);animation:slideUp var(--motion-duration-normal) var(--motion-easing-ease-out)}.confirmation-dialog__title{font-size:var(--font-size-h2);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);line-height:var(--line-height-tight);margin:0 0 var(--spacing-md) 0;letter-spacing:-.01em}.confirmation-dialog__message{font-size:var(--font-size-body);color:var(--color-text-muted);line-height:var(--line-height-normal);margin:0 0 var(--spacing-2xl) 0}.confirmation-dialog__actions{display:flex;gap:var(--spacing-md);justify-content:flex-end}.confirmation-dialog__button{padding:var(--spacing-sm) var(--spacing-xl);border:1px solid var(--color-border-hairline);border-radius:var(--radius-card);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);font-family:var(--font-family-sans);cursor:pointer;transition:transform var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out),background-color var(--motion-duration-fast) var(--motion-easing-ease-out),border-color var(--motion-duration-fast) var(--motion-easing-ease-out),color var(--motion-duration-fast) var(--motion-easing-ease-out);box-shadow:var(--shadow-subtle)}.confirmation-dialog__button--cancel{background-color:var(--color-surface-card);color:var(--color-text-primary)}.confirmation-dialog__button--cancel:hover{background-color:var(--color-background-base);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.confirmation-dialog__button--confirm{background-color:#ef4444;color:#fff;border-color:#ef4444}.confirmation-dialog__button--confirm:hover{background-color:#dc2626;border-color:#dc2626;transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.confirmation-dialog__button:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) scale(.98);transition-duration:var(--motion-duration-press)}.home{display:flex;flex-direction:column;height:100%}.home__header{margin-bottom:var(--spacing-lg)}.home__header-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-md);gap:var(--spacing-md);flex-wrap:wrap}.home__title{font-size:var(--font-size-h1);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);line-height:var(--line-height-tight);margin:0;letter-spacing:-.015em}.home__add-button{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);border:1px solid var(--color-border-hairline);border-radius:var(--radius-card);background-color:var(--color-primary-accent);color:#fff;font-size:var(--font-size-body);font-weight:var(--font-weight-medium);font-family:var(--font-family-sans);cursor:pointer;transition:transform var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out),background-color var(--motion-duration-fast) var(--motion-easing-ease-out);box-shadow:var(--shadow-subtle);white-space:nowrap}.home__add-button:hover{background-color:var(--color-primary-accent-hover);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.home__add-button:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) scale(.98);transition-duration:var(--motion-duration-press)}.home__add-button-icon{font-size:1.25rem;line-height:1;font-weight:var(--font-weight-semibold)}.home__filters{display:flex;gap:var(--spacing-sm);flex-wrap:wrap}.home__filter-pill{padding:var(--spacing-sm) var(--spacing-lg);border:1px solid var(--color-border-hairline);border-radius:var(--radius-pill);background-color:var(--color-surface-card);color:var(--color-text-primary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color 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scale(.98);transition-duration:var(--motion-duration-press)}.home__actions-section{margin-top:var(--spacing-2xl);padding-top:var(--spacing-2xl);border-top:1px solid var(--color-border-hairline);animation:fadeIn var(--motion-duration-normal) var(--motion-easing-ease-out)}.home__actions-title{font-size:var(--font-size-body);font-weight:var(--font-weight-semibold);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;margin:0 0 var(--spacing-lg) 0}.home__actions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:var(--spacing-lg);width:100%;max-width:700px}@media (max-width: 768px){.home__actions-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-md)}}.home__action-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-xl);background-color:var(--color-surface-card);border:1px solid 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backwards;padding:var(--spacing-lg)}.class-notes__note-row:hover{background-color:var(--color-background-base);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.class-notes__note-row:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) 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var(--spacing-xl);border:none;border-radius:var(--radius-card);background-color:var(--color-primary-accent);color:#fff;font-size:var(--font-size-body);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--motion-duration-fast) var(--motion-easing-ease-out),transform var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out);font-family:var(--font-family-sans);box-shadow:var(--shadow-subtle)}.class-notes__cta-button:hover{background-color:var(--color-primary-accent-hover);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.class-notes__cta-button:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) 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var(--motion-duration-fast) var(--motion-easing-ease-out),transform var(--motion-duration-fast) var(--motion-easing-ease-out)}.practice-lecture-selection__checkbox-input:checked+.practice-lecture-selection__checkbox-custom{background-color:var(--color-primary-accent);border-color:var(--color-primary-accent)}.practice-lecture-selection__checkbox-input:checked+.practice-lecture-selection__checkbox-custom:after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:6px;height:10px;border:solid white;border-width:0 2px 2px 0;transform:translate(-50%,-60%) rotate(45deg)}.practice-lecture-selection__checkbox-label{font-size:var(--font-size-body);font-weight:var(--font-weight-regular);color:var(--color-text-primary);line-height:var(--line-height-normal);flex:1}.practice-lecture-selection__footer{display:flex;justify-content:flex-end;padding-top:var(--spacing-lg);border-top:1px solid 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scale(.97);transition-duration:var(--motion-duration-press)}.practice-lecture-selection__continue-button:disabled{opacity:.5;cursor:not-allowed;background-color:var(--color-text-muted)}.practice-mode-selection{display:flex;flex-direction:column;height:100%;gap:var(--spacing-xl);position:relative}.practice-mode-selection:before{content:"";position:absolute;top:-50%;left:50%;transform:translate(-50%);width:120%;height:100%;background:radial-gradient(ellipse 80% 60% at 50% 0%,var(--bloom-color, #4F46E5) 0%,transparent 70%);opacity:.04;pointer-events:none;z-index:0}.practice-mode-selection__header,.practice-mode-selection__content{position:relative;z-index:1}.practice-mode-selection__header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.practice-mode-selection__back-button{background:none;border:none;color:var(--color-text-primary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);cursor:pointer;padding:var(--spacing-sm) 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var(--motion-easing-ease-out),border-color var(--motion-duration-fast) var(--motion-easing-ease-out);min-height:280px}.practice-mode-selection__mode-card:hover{transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover);border-color:var(--color-primary-accent)}.practice-mode-selection__mode-card:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) 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var(--motion-easing-ease-out);cursor:pointer}.practice-flashcards__card--flipped{transform:rotateY(180deg)}.practice-flashcards__card-face{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-xl);padding:var(--spacing-3xl);background-color:var(--color-surface-card);border:1px solid 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scale(.97);transition-duration:var(--motion-duration-press)}.practice-multiple-choice{display:flex;flex-direction:column;height:100%;gap:var(--spacing-xl);position:relative}.practice-multiple-choice:before{content:"";position:absolute;top:-50%;left:50%;transform:translate(-50%);width:120%;height:100%;background:radial-gradient(ellipse 80% 60% at 50% 0%,var(--bloom-color, #4F46E5) 0%,transparent 70%);opacity:.04;pointer-events:none;z-index:0}.practice-multiple-choice__header,.practice-multiple-choice__content{position:relative;z-index:1}.practice-multiple-choice__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-md)}.practice-multiple-choice__back-button{background:none;border:none;color:var(--color-text-primary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);cursor:pointer;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-card);transition:background-color var(--motion-duration-fast) 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scale(.99);transition-duration:var(--motion-duration-press)}.practice-multiple-choice__option:disabled{cursor:not-allowed;opacity:1}.practice-multiple-choice__option:disabled:hover{border-color:var(--color-border-hairline);background-color:var(--color-surface-card);transform:none;box-shadow:var(--shadow-subtle)}.practice-multiple-choice__option--selected{border-color:var(--color-primary-accent);background-color:var(--color-primary-accent-muted)}.practice-multiple-choice__option--correct{border-color:#10b981;background-color:#d1fae5;box-shadow:0 2px 4px #10b9811f,0 1px 2px #10b98114,inset 0 1px #ffffff80}.practice-multiple-choice__option--incorrect{border-color:#f87171;background-color:#fee2e2;box-shadow:0 2px 4px #f871711f,0 1px 2px #f8717114,inset 0 1px #ffffff80;animation:incorrectShake .18s var(--motion-easing-ease-out)}.practice-multiple-choice__option--faded{opacity:.5}@keyframes 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scale(.97);transition-duration:var(--motion-duration-press)}.practice-multiple-choice__submit-button:disabled{opacity:.5;cursor:not-allowed;background-color:var(--color-text-muted)}.practice-multiple-choice--results{display:flex;align-items:center;justify-content:center}.practice-multiple-choice__results{width:100%;max-width:600px;padding:var(--spacing-2xl);text-align:center}.practice-multiple-choice__results-header{margin-bottom:var(--spacing-2xl)}.practice-multiple-choice__results-title{font-size:var(--font-size-h1);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);line-height:var(--line-height-tight);margin:0 0 var(--spacing-xl) 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var(--spacing-2xl);border:none;border-radius:var(--radius-card);background-color:var(--color-accent-primary);color:var(--color-text-on-accent);font-size:var(--font-size-body);font-weight:var(--font-weight-semibold);cursor:pointer;transition:background-color var(--motion-duration-fast) var(--motion-easing-ease-out),transform var(--motion-duration-fast) var(--motion-easing-ease-out),box-shadow var(--motion-duration-fast) var(--motion-easing-ease-out);font-family:var(--font-family-sans);box-shadow:var(--shadow-subtle)}.practice-multiple-choice__results-button:hover{background-color:var(--color-accent-primary-hover);transform:translateY(calc(-1 * var(--motion-distance-hover-lift)));box-shadow:var(--shadow-hover)}.practice-multiple-choice__results-button:active{transform:translateY(calc(-1 * var(--motion-distance-hover-lift) * .5)) scale(.98);transition-duration:var(--motion-duration-press)}.podcast{width:100%;height:100%;display:flex;flex-direction:column;background-color:var(--color-background-base);color:var(--color-text-primary)}.podcast__header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border-hairline);background-color:var(--color-surface-card)}.podcast__back-button{padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border-hairline);border-radius:var(--radius-card);background-color:var(--color-surface-card);color:var(--color-text-primary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);font-family:var(--font-family-sans);cursor:pointer;transition:background-color var(--motion-duration-fast) var(--motion-easing-ease-out),transform var(--motion-duration-fast) var(--motion-easing-ease-out);box-shadow:var(--shadow-subtle)}.podcast__back-button:hover{background-color:var(--color-background-base);transform:translateY(calc(-1 * 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