@tailwind base;@tailwind components;@tailwind utilities;:root{--color-surface:#fff;--color-background:var(--color-surface);--color-surface-muted:hsla(0,0%,100%,.95);--color-primary:#4a5568;--color-primary-dark:#2d3748;--color-zen-primary:#197009;--color-zen-primary-dark:#2d3748;--color-zen-primary-light:#718096;--color-zen-outline:rgba(95,125,106,.28);--color-zen-shadow:rgba(33,42,36,.08);--color-text:#0f172a;--color-text-muted:#475569;--color-border:#e2e8f0;--color-graph-link:#6f3207;--color-graph-book:#4a5568;--color-graph-category:#60a5fa;--color-tooltip-bg:rgba(15,23,42,.9);--font-family-base:"Inter","SF Pro Display","Segoe UI",sans-serif;--font-family-zen:"Inter","Avenir Next","Helvetica Neue",sans-serif;--font-family-serif:"Iowan Old Style","Palatino Linotype","URW Palladio L","Georgia",serif;--font-weight-regular:400;--font-weight-semibold:600;--font-weight-bold:700;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:2rem;--font-size-2xl:clamp(2.5rem,6vw,3rem);--line-height-base:1.6;--line-height-snug:1.3;--spacing-0:0;--spacing-1:0.5rem;--spacing-2:1rem;--spacing-3:1.5rem;--spacing-4:2rem;--spacing-5:2.5rem;--spacing-6:3rem;--spacing-7:3.5rem;--spacing-8:4rem;--spacing-10:5rem;--spacing-12:6rem;--radius-md:1.5rem;--radius-lg:1.5rem;--radius-pill:999px;--shadow-md:0 12px 32px rgba(30,144,255,.18);--shadow-lg:0 24px 48px rgba(15,23,42,.18);--transition-base:200ms ease;--content-max-width:75rem;--content-max-width-standard:62rem;--content-max-width-form:56rem}*{box-sizing:border-box}body,html{margin:0;padding:0;overflow-x:hidden}body{min-height:100vh;background:var(--color-surface);color:var(--color-text);font-family:var(--font-family-base);font-size:var(--font-size-base);line-height:var(--line-height-base);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:color var(--transition-base)}a:hover{color:var(--color-primary-dark)}button{font-family:inherit;background:none;border:none;cursor:pointer}img{max-width:100%;display:block}.page{position:relative;min-height:100vh;padding-top:calc(var(--header-height) + var(--spacing-2))}.page--home{min-height:100vh;padding:0;overflow:hidden;background:var(--color-surface)}.page--home,.site-header{position:relative;width:100%;margin:0}.site-header{min-height:var(--header-height);display:flex;align-items:center;padding:1.5rem 2.5rem;background:transparent;border:none;box-shadow:none;z-index:20}.site-header__inner{width:100%;display:flex;align-items:center;justify-content:space-between;gap:.75rem}.site-header--overlay{position:fixed;top:0;left:0;right:0;background:transparent;box-shadow:none;pointer-events:none}.site-header--overlay .site-header__inner,.site-header__inner--overlay{pointer-events:auto}.site-header--solid{position:sticky;top:0;background:var(--color-background);z-index:30;margin-bottom:0}.site-header__brand{display:inline-flex;align-items:center;gap:var(--spacing-1);font-weight:var(--font-weight-semibold);color:var(--color-text)}.site-header__logo{border-radius:50%}.site-header__title{font-size:1.05rem;letter-spacing:-.01em}.site-header__nav{display:flex;gap:var(--spacing-2)}.site-header__mobile-toggle{display:none;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:.75rem;background:transparent;color:var(--color-text);transition:background var(--transition-base),border-color var(--transition-base),transform var(--transition-base)}.site-header__mobile-toggle:hover{background:rgba(148,163,184,.12);border-color:rgba(148,163,184,.55)}.site-header__mobile-toggle-bar,.site-header__mobile-toggle-bar:after,.site-header__mobile-toggle-bar:before{display:block;width:1.25rem;height:2px;background:currentColor;border-radius:999px;transition:transform .2s ease,opacity .2s ease;content:""}.site-header__mobile-toggle-bar{position:relative}.site-header__mobile-toggle-bar:after,.site-header__mobile-toggle-bar:before{position:absolute;left:0}.site-header__mobile-toggle-bar:before{transform:translateY(-6px)}.site-header__mobile-toggle-bar:after{transform:translateY(6px)}.site-header__mobile-toggle--open .site-header__mobile-toggle-bar{background:transparent}.site-header__mobile-toggle--open .site-header__mobile-toggle-bar:before{transform:translateY(0) rotate(45deg)}.site-header__mobile-toggle--open .site-header__mobile-toggle-bar:after{transform:translateY(0) rotate(-45deg)}.site-header__link{font-family:var(--font-family-zen);font-size:.9rem;font-weight:var(--font-weight-regular);color:var(--color-text-muted);padding:.5rem 0;border-bottom:1px solid transparent;transition:color var(--transition-base),border-color var(--transition-base)}.site-header__link:hover{color:var(--color-primary);border-color:var(--color-primary)}.site-header__button{font-family:var(--font-family-zen);font-size:.9rem;font-weight:var(--font-weight-regular);color:var(--color-zen-primary);background:rgba(25,112,9,.08);padding:.5rem 1rem;border-radius:.5rem;border:1px solid rgba(25,112,9,.15);transition:all var(--transition-base);display:flex;align-items:center;gap:.25rem}.site-header__button:hover{background:rgba(25,112,9,.12);border-color:var(--color-zen-primary);color:var(--color-zen-primary-dark)}.site-header__login-button{font-family:var(--font-family-zen);font-size:.9rem;font-weight:var(--font-weight-regular);color:var(--color-zen-primary);background:transparent;padding:.5rem 1rem;border-radius:.5rem;border:1px solid var(--color-zen-primary);transition:all var(--transition-base);display:flex;align-items:center;gap:.25rem}.site-header__login-button:hover{background:rgba(25,112,9,.08);color:var(--color-zen-primary-dark)}.site-header__user-menu{position:relative}.site-header__user-button{display:flex;align-items:center;gap:.5rem;padding:.4rem .75rem;border-radius:.5rem;border:1px solid var(--color-border);background:hsla(0,0%,100%,.8);font-family:var(--font-family-zen);font-size:.875rem;color:var(--color-text);transition:all var(--transition-base);cursor:pointer}.site-header__user-button:hover{border-color:var(--color-zen-primary);background:hsla(0,0%,100%,.95)}.site-header__user-icon{display:flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;border-radius:50%;background:var(--color-zen-primary);font-weight:var(--font-weight-semibold);font-size:.75rem}.site-header__username{font-weight:var(--font-weight-regular);color:var(--color-text)}.site-header__admin-badge{font-size:.7rem;padding:.125rem .4rem;border-radius:.25rem;background:rgba(25,112,9,.1);color:var(--color-zen-primary);font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.025em}.site-header__dropdown{position:absolute;top:calc(100% + .5rem);right:0;min-width:10rem;background:hsla(0,0%,100%,.98);backdrop-filter:blur(16px);border:1px solid var(--color-border);border-radius:.75rem;box-shadow:0 4px 24px rgba(15,23,42,.12);padding:.5rem;z-index:100}.site-header__dropdown-item{width:100%;display:flex;align-items:center;gap:.5rem;padding:.625rem .75rem;font-family:var(--font-family-zen);font-size:.875rem;color:var(--color-text);background:transparent;border:none;border-radius:.5rem;cursor:pointer;transition:all var(--transition-base);text-align:left}.site-header__dropdown-item:hover{background:rgba(25,112,9,.08);color:var(--color-zen-primary)}.site-header__dropdown-icon{width:1rem;height:1rem}.site-header__plant-button{font-family:var(--font-family-zen);font-size:.9rem;font-weight:var(--font-weight-regular);color:var(--color-zen-primary);background:rgba(25,112,9,.08);padding:.625rem 1.25rem;border-radius:999px;border:1px solid rgba(25,112,9,.15);transition:all var(--transition-base);display:inline-flex;align-items:center;justify-content:center;gap:.375rem;text-decoration:none;line-height:1}.site-header__plant-button:hover{background:rgba(25,112,9,.12);border-color:var(--color-zen-primary);color:var(--color-zen-primary-dark);transform:translateY(-1px)}.auth-error-message,.site-header__auth-message{color:var(--color-text);border-radius:1rem;border:1px solid var(--color-border);box-shadow:0 8px 32px rgba(15,23,42,.15)}.auth-error-message,.site-header__auth-message,.success-message{position:fixed;top:30%;left:50%;transform:translate(-50%,-50%);background:hsla(0,0%,100%,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:1.5rem 2rem;font-family:var(--font-family-zen);font-size:.9375rem;white-space:nowrap;z-index:9999;animation:fadeIn .2s ease-out}.success-message{color:#15803d;border-radius:1rem;border:1px solid rgba(34,197,94,.3);box-shadow:0 8px 32px rgba(34,197,94,.15)}.error-message{color:#b91c1c;padding:1.5rem 2rem;border-radius:1rem;border:1px solid rgba(239,68,68,.3);font-size:.9375rem;white-space:nowrap;box-shadow:0 8px 32px rgba(239,68,68,.15)}.confirm-dialog,.error-message{position:fixed;top:30%;left:50%;transform:translate(-50%,-50%);background:hsla(0,0%,100%,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);font-family:var(--font-family-zen);z-index:9999;animation:fadeIn .2s ease-out}.confirm-dialog{color:var(--color-text);padding:2rem;border-radius:1rem;border:1px solid var(--color-border);box-shadow:0 8px 32px rgba(15,23,42,.15);min-width:300px;max-width:400px}.confirm-dialog__message{font-size:.9375rem;margin-bottom:1.5rem;text-align:center}.confirm-dialog__buttons{display:flex;gap:.75rem;justify-content:center}.confirm-dialog__button{padding:.625rem 1.5rem;border-radius:.5rem;font-family:var(--font-family-zen);font-size:.875rem;font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-base)}.confirm-dialog__button--confirm{background:#b91c1c;color:#fff;border:none}.confirm-dialog__button--confirm:hover{background:#991b1b}.confirm-dialog__button--cancel{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.confirm-dialog__button--cancel:hover{background:rgba(0,0,0,.05)}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.95)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-.5rem)}to{opacity:1;transform:translateY(0)}}.site-header__auth-link{color:var(--color-zen-primary);text-decoration:underline;font-weight:var(--font-weight-semibold)}.site-header__auth-link:hover{color:#057c31}.site-header__user-wrapper{position:relative}.site-header__user-icon-button{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:50%;background:var(--color-zen-primary);color:#fff;font-family:var(--font-family-zen);font-weight:var(--font-weight-semibold);font-size:1rem;border:2px solid rgba(25,112,9,.2);cursor:pointer;transition:all var(--transition-base);box-shadow:0 2px 8px rgba(25,112,9,.15)}.site-header__user-icon-button:hover{transform:scale(1.05);box-shadow:0 4px 12px rgba(25,112,9,.25);border-color:rgba(25,112,9,.4)}.site-header__user-popup{position:absolute;top:calc(100% + .75rem);right:0;min-width:12rem;background:hsla(0,0%,100%,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-border);border-radius:1rem;box-shadow:0 8px 32px rgba(15,23,42,.15);padding:.875rem;z-index:1000;display:none}.site-header__user-popup--visible{display:block;animation:slideDown .2s ease-out}.site-header__user-info{display:flex;flex-direction:column;gap:.5rem;margin-bottom:.75rem}.site-header__user-details{display:flex;flex-direction:column;gap:.25rem}.site-header__user-name{font-family:var(--font-family-zen);font-size:.9375rem;font-weight:var(--font-weight-semibold);color:var(--color-text)}.site-header__user-role{font-family:var(--font-family-zen);font-size:.75rem;color:var(--color-text-muted)}.site-header__logout-button{width:100%;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1rem;font-family:var(--font-family-zen);font-size:.7rem;font-weight:var(--font-weight-semibold);border:1px solid grey;border-radius:.75rem;cursor:pointer;transition:all var(--transition-base)}.site-header__logout-icon{width:1.125rem;height:1.125rem}.site-header__login-button-new{font-family:var(--font-family-zen);font-size:.9rem;font-weight:var(--font-weight-regular);color:var(--color-zen-primary);background:transparent;padding:.625rem 1.5rem;border-radius:999px;border:1px solid var(--color-zen-primary);transition:all var(--transition-base);display:inline-flex;align-items:center;justify-content:center;text-decoration:none;line-height:1}.site-header__login-button-new:hover{background:rgba(25,112,9,.08);color:var(--color-zen-primary-dark);transform:translateY(-1px)}.hero{display:flex;flex-direction:column;gap:var(--spacing-2);padding:0;border:none;box-shadow:none;background:transparent;z-index:5;opacity:1;transition:opacity .6s ease,transform .6s ease}.hero,.hero--animated{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(90%,var(--content-max-width));text-align:center}.typewriter-cursor{display:inline-block;width:2px;margin-left:2px;animation:blink 1s step-end infinite;color:var(--color-zen-primary)}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}@keyframes fadeInLogo{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes heroOverlayIn{0%{opacity:0;transform:translate(-50%,calc(-50% - 12px))}to{opacity:1;transform:translate(-50%,-50%)}}@keyframes heroDockIn{0%{opacity:0;transform:translateY(24px)}50%{opacity:1;transform:translateY(0)}to{opacity:1;transform:translateY(0)}}.hero--centered{text-align:center;align-items:center}.hero--overlay{animation:heroOverlayIn .8s ease forwards}.hero--overlay .hero__line{display:inline-flex;align-items:center;justify-content:center;padding:.25rem .6rem;background:var(--color-background);margin:.2rem auto}.hero--overlay .hero__line--desc{max-width:32rem;text-align:center;flex-wrap:wrap;word-break:break-word}.hero--fading-out{opacity:0;transition:opacity .6s ease}.hero--docked{position:fixed;top:auto;bottom:var(--spacing-3);left:var(--spacing-3);transform:none;width:min(25rem,90%);text-align:left;align-items:flex-start;gap:var(--spacing-1);pointer-events:none;animation:heroDockIn .7s ease forwards}.hero--docked .hero__description,.hero--docked .hero__heading{pointer-events:auto}.hero--docked .hero__line{background:transparent;padding:0;margin:0;box-shadow:none}.hero--minimal{gap:var(--spacing-2)}.hero__heading{padding-top:0;margin-top:0;margin-bottom:0;font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);line-height:var(--line-height-snug);letter-spacing:-.02em;max-width:50rem;transition:all .3s ease}.hero__heading--compact{font-size:clamp(1.1rem,2.4vw,1.6rem);text-align:left}.hero__heading--zen{font-family:var(--font-family-zen);font-weight:var(--font-weight-regular);font-size:clamp(1.5rem,4vw,2.5rem);color:var(--color-text);letter-spacing:-.01em}.hero__heading-break{display:block;transition:opacity .3s ease}.hero__description{font-size:var(--font-size-lg);color:var(--color-text-muted);max-width:36rem;transition:all .3s ease}.hero__description--zen{font-family:var(--font-family-zen);font-size:clamp(.875rem,2vw,1rem);max-width:28rem;line-height:1.5}.hero__description--compact{font-size:.9rem;text-align:left;max-width:20rem}.hero__actions{display:flex;gap:var(--spacing-2);justify-content:center;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-1);padding:.9rem var(--spacing-4);border-radius:var(--radius-md);font-family:var(--font-family-zen);font-weight:var(--font-weight-regular);font-size:.95rem;line-height:1;letter-spacing:.01em;transition:all .3s ease}.button--primary{background:var(--color-zen-primary);color:var(--color-surface);box-shadow:0 4px 16px rgba(17,81,6,.25)}.button--primary:hover{background:#057c31;transform:translateY(-1px);box-shadow:0 6px 20px rgba(17,81,6,.35);color:var(--color-surface)}.button__content{display:flex;align-items:center;gap:.5rem}.button__icon{transition:transform .2s ease}.button--primary:hover .button__icon{transform:scale(1.1)}.button--ghost{color:var(--color-zen-primary-dark);border:1px solid transparent;padding:.75rem calc(var(--spacing-3) + .2rem)}.button--ghost:hover{color:var(--color-zen-primary);background:rgba(74,85,104,.05);border-color:rgba(74,85,104,.2)}.knowledge-graph{position:relative;width:100%;background:var(--color-surface);border:none;padding:0;margin:0;z-index:1;overflow:hidden;opacity:0;transition:opacity .8s ease}.knowledge-graph,.page--home .knowledge-graph{flex:1 1 auto;min-height:calc(100vh - var(--header-height))}.page--home .knowledge-graph{margin-top:0}.page:not(.page--home) .knowledge-graph{margin-top:var(--spacing-2)}.knowledge-graph--visible{opacity:1}.knowledge-graph__workspace{position:relative;width:100%;height:100%}.knowledge-graph__node-group{cursor:pointer}.knowledge-graph__node-group .knowledge-graph__category-backdrop,.knowledge-graph__node-group .knowledge-graph__category-image{transition:transform .15s ease,filter .15s ease}.knowledge-graph__node-group:hover .knowledge-graph__category-backdrop,.knowledge-graph__node-group:hover .knowledge-graph__category-image{transform:scale(1.05)}.knowledge-graph__book-node,.knowledge-graph__category-node{transform-origin:center}.knowledge-graph__book-frame{fill:var(--color-surface);stroke:var(--color-surface);stroke-width:10}.knowledge-graph__book-cover{pointer-events:none;mix-blend-mode:normal}.knowledge-graph__category-backdrop{fill:var(--color-surface);stroke:var(--color-surface);stroke-width:.8;filter:none}.knowledge-graph__category-image{display:block;width:32px;height:32px;pointer-events:none;filter:none}.knowledge-graph__link{fill:none;stroke:var(--color-graph-link);stroke-width:1.2;opacity:.5;stroke-linecap:round;stroke-linejoin:round}.knowledge-graph__label{font-family:var(--font-family-zen);font-size:.75rem;text-anchor:middle;fill:var(--color-graph-link);font-weight:400;letter-spacing:.01em;pointer-events:none}.knowledge-graph__canvas{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}.knowledge-graph__svg{display:block;width:100%;height:100%;border:none;border-radius:var(--radius-lg)}.knowledge-graph__links{pointer-events:none}.graph-side-panel{position:absolute;transform-origin:left center;background:hsla(0,0%,100%,.7);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(226,232,240,.4);border-radius:0 .5rem .5rem 0;box-shadow:4px 0 20px rgba(15,23,42,.08),2px 0 8px rgba(15,23,42,.04);pointer-events:auto;overflow:hidden;z-index:20}.graph-side-panel[data-side=left]{transform-origin:right center;border-radius:.5rem 0 0 .5rem;box-shadow:-4px 0 20px rgba(15,23,42,.08),-2px 0 8px rgba(15,23,42,.04)}.graph-side-panel:hover{box-shadow:6px 0 30px rgba(15,23,42,.12),3px 0 12px rgba(15,23,42,.06)}.graph-side-panel[data-side=left]:hover{box-shadow:-6px 0 30px rgba(15,23,42,.12),-3px 0 12px rgba(15,23,42,.06)}.graph-panel__content{height:100%;display:flex;align-items:center;padding:0 .75rem;gap:0}.graph-panel__text{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:.125rem}.graph-panel__title{font-family:var(--font-family-zen);font-size:.8rem;font-weight:var(--font-weight-regular);line-height:1.1;color:var(--color-text);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.graph-panel__author{font-size:.7rem}.graph-panel__author,.graph-panel__read-date{font-family:var(--font-family-zen);color:var(--color-text-muted);font-weight:var(--font-weight-regular);line-height:1;margin:0 0 .5rem}.graph-panel__read-date{font-size:.65rem;font-style:italic}.graph-panel__highlights{font-family:var(--font-family-zen);font-size:.65rem;color:var(--color-text-muted);font-weight:var(--font-weight-regular);line-height:1;margin:0}@media (max-width:47.9rem){.graph-side-panel{max-width:180px}.graph-panel__content{padding:0 .5rem}.graph-panel__title{font-size:.75rem;-webkit-line-clamp:1}.graph-panel__author{font-size:.65rem}.graph-panel__highlights{font-size:.6rem}}.tooltip{pointer-events:none;background:var(--color-tooltip-bg);color:var(--color-surface);border-radius:.75rem;padding:var(--spacing-1) var(--spacing-2);box-shadow:var(--shadow-md);max-width:14rem}.tooltip__title{font-size:.875rem;font-weight:var(--font-weight-semibold);margin:0}.tooltip__description{font-size:.75rem;margin:var(--spacing-1) 0 0;color:rgba(241,245,249,.86)}.knowledge-graph__tooltip{display:block}.knowledge-graph__tooltip-container{position:absolute;z-index:20}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:47.9rem){:root{--header-height:48px}.hero{top:calc(var(--header-height) + var(--spacing-1));left:50%;transform:translate(-50%,-50%);width:calc(100% - 2rem);gap:var(--spacing-1);padding:var(--spacing-2) var(--spacing-2)}.hero--centered{top:calc(var(--header-height) + 50vh)}.hero--docked{display:none}.hero--docked .hero__line{display:block;text-align:center;width:100%}.hero--docked .hero__description,.hero--docked .hero__heading{text-align:center;align-items:center;width:100%;margin-left:auto;margin-right:auto}.hero__heading{padding-top:.25rem}.hero__actions{gap:var(--spacing-1)}.button{padding:.7rem var(--spacing-3);font-size:.85rem}.page{padding-top:var(--header-height)}.page--home{padding-top:calc(var(--header-height) + .5rem)}.page--home .knowledge-graph{position:absolute;top:var(--header-height);left:0;right:0;height:calc(100vh - var(--header-height));min-height:calc(100vh - var(--header-height));margin-top:0;padding-bottom:8rem}.site-header__inner{padding:0;position:relative}.site-header__brand{gap:.35rem}.site-header__title{font-size:.88rem}.site-header__mobile-toggle{display:inline-flex}.site-header__nav{position:absolute;top:calc(100% + .5rem);right:1rem;left:auto;width:min(18rem,calc(100% - 2rem));flex-direction:column;align-items:stretch;gap:.75rem;padding:1rem;border-radius:1rem;background:hsla(0,0%,100%,.95);box-shadow:0 16px 32px rgba(15,23,42,.12);opacity:0;pointer-events:none;transform:translateY(-.5rem);transition:opacity .2s ease,transform .2s ease}.site-header__nav--open{opacity:1;pointer-events:auto;transform:translateY(0);width:70%}.site-header__nav>*{width:100%;justify-content:flex-start}.site-header__plant-button{padding:.725rem 1.25rem;font-size:.9rem;justify-content:center;width:100%}.site-header__login-button-new{padding:.625rem 1.25rem;font-size:.9rem;width:100%;justify-content:center}.site-header__user-wrapper{width:100%;display:flex;flex-direction:column;align-items:center;position:relative}.site-header__user-popup{position:static;transform:none;box-shadow:none;background:transparent;border:none;padding:0;margin-top:0;width:100%;display:block!important;animation:none}.site-header__user-icon-button,.site-header__user-info{display:none}.site-header__logout-button{width:100%;padding:.625rem 1.25rem;font-size:.9rem;justify-content:center;background:transparent;border:1px solid var(--color-zen-primary);color:var(--color-zen-primary);border-radius:999px;gap:.375rem}.site-header__logout-button:hover{background:rgba(25,112,9,.08)}.site-header__logout-icon{width:1rem;height:1rem}.graph-floating-card{max-width:calc(100vw - 3rem);min-width:280px}.graph-card__content{padding:var(--spacing-3);gap:var(--spacing-2)}.graph-card__title{font-size:1.25rem}.graph-card__description{font-size:.9rem;line-height:1.5;-webkit-line-clamp:3}.graph-card__cta{width:100%;justify-content:center}.book-detail-page__container,.new-book-page__container{padding:var(--spacing-2) var(--spacing-2)}.book-detail__title{font-size:2rem;margin:0}.book-detail__cover-wrapper{height:300px}}@media (min-width:48rem) and (max-width:63.9rem){.hero{max-width:48rem;padding:var(--spacing-3) var(--spacing-3) var(--spacing-2)}.knowledge-graph{top:80px!important;height:calc(100vh - 80px)!important}.hero__description{font-size:1rem}.button{font-size:.95rem}.graph-floating-card{max-width:350px}}@media (min-width:48rem){.hero{max-width:48rem}.hero__description{font-size:1.125rem}.graph-floating-card{max-width:380px}.button{font-size:1rem}}@media (min-width:64rem){.hero{max-width:52rem;padding:var(--spacing-3) var(--spacing-4) var(--spacing-2)}.knowledge-graph{top:80px!important;height:calc(100vh - 80px)!important}}@media (min-width:90rem){.hero{padding:var(--spacing-12) var(--spacing-4) var(--spacing-1)}.knowledge-graph{top:80px!important;height:calc(100vh - 80px)!important;margin-top:0!important}}.new-book-page{min-height:100vh;background:var(--color-surface)}.new-book-page__container{max-width:var(--content-max-width-standard);margin:0 auto;padding:var(--spacing-3) var(--spacing-3)}.new-book-page__header{padding-left:24px;margin-bottom:2.5rem;display:flex;flex-direction:column;gap:1rem}.new-book-page__back-link{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem;color:#475569;transition:color .2s}.new-book-page__back-link:hover{color:var(--color-zen-primary)}.new-book-page__back-icon{width:1rem;height:1rem}.new-book-page__title-section{display:flex;flex-direction:column;gap:.5rem}.new-book-page__subtitle{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:#64748b}.new-book-page__title{font-size:2.25rem;font-weight:700;color:#0f172a}.new-book-page__description{margin-top:.75rem;font-size:.875rem;color:#475569}.new-book-form,.new-book-form__section{display:flex;flex-direction:column;gap:var(--spacing-3)}.new-book-form__section{border-radius:1rem;border:1px solid rgba(226,232,240,.9);background:hsla(0,0%,100%,.82);padding:2.5rem;box-shadow:0 24px 48px rgba(15,23,42,.08)}.new-book-form__heading{margin:0;font-size:1.35rem;font-weight:var(--font-weight-semibold);color:var(--color-text)}.new-book-form__field-grid{display:grid;gap:var(--spacing-3);grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.new-book-form__field{display:flex;flex-direction:column;gap:.6rem;font-size:.9rem}.new-book-form__label{font-weight:var(--font-weight-semibold);color:rgba(51,65,85,.95)}.new-book-form__input,.new-book-form__textarea{width:100%;border-radius:.9rem;border:1px solid rgba(203,213,225,.9);background:hsla(0,0%,100%,.95);padding:.75rem 1rem;font-size:.95rem;font-family:var(--font-family-base);line-height:1.5;box-shadow:0 12px 24px rgba(15,23,42,.06);transition:border-color var(--transition-base),box-shadow var(--transition-base)}.new-book-form__input:focus,.new-book-form__textarea:focus{outline:none;border-color:var(--color-zen-primary);box-shadow:0 0 0 3px rgba(25,112,9,.14)}.new-book-form__textarea{resize:vertical;min-height:140px}.new-book-form__textarea--large{min-height:180px}.new-book-form__card{border-radius:1.5rem;background:hsla(0,0%,100%,.9);padding:1.5rem 0 rem}.new-book-form__card-content{display:flex;flex-direction:column;gap:var(--spacing-2)}.new-book-form__card-title{margin:0;font-size:1rem;font-weight:var(--font-weight-semibold);color:rgba(30,41,59,.95)}.new-book-form__card-subtitle{margin:0;font-size:.85rem;color:rgba(71,85,105,.85)}.new-book-form__hint{border-radius:1rem;background:rgba(241,245,249,.95);padding:1rem;font-size:.8rem;font-family:IBM Plex Mono,Menlo,Courier New,monospace;color:rgba(51,65,85,.95)}.new-book-form__hint-heading{font-weight:var(--font-weight-semibold);margin-bottom:.4rem}.new-book-form__hint-list{list-style:decimal inside;margin:0;display:flex;flex-direction:column;gap:.25rem}.new-book-form__hint-text{margin:.75rem 0 0;color:rgba(71,85,105,.85)}.new-book-form__file-input{border-radius:.9rem;border:1px solid rgba(203,213,225,.9);padding:.65rem 1rem;font-size:.9rem;background:hsla(0,0%,100%,.95);cursor:pointer;transition:border-color var(--transition-base),box-shadow var(--transition-base)}.new-book-form__file-input:focus{outline:none;border-color:var(--color-zen-primary);box-shadow:0 0 0 3px rgba(25,112,9,.14)}.new-book-form__file-input::file-selector-button{border:none;border-radius:.75rem;background:rgba(25,112,9,.12);color:var(--color-zen-primary);font-weight:var(--font-weight-semibold);font-size:.75rem;padding:.45rem .9rem;margin-right:1rem;cursor:pointer;transition:background var(--transition-base),color var(--transition-base)}.new-book-form__file-input::file-selector-button:hover{background:rgba(25,112,9,.2);color:var(--color-zen-primary-dark)}.new-book-form__highlights-preview{display:flex;flex-direction:column;gap:var(--spacing-2)}.new-book-form__preview-card{border-radius:1.25rem;border:1px solid rgba(226,232,240,.9);background:hsla(0,0%,100%,.9);padding:1.25rem;box-shadow:0 16px 28px rgba(15,23,42,.08);display:flex;flex-direction:column;gap:.75rem}.new-book-form__preview-meta{display:flex;justify-content:flex-end;font-size:.75rem;color:rgba(100,116,139,.85)}.new-book-form__preview-meta-items{display:flex;gap:.75rem}.new-book-form__preview-meta-text{color:rgba(71,85,105,.85)}.new-book-form__preview-meta-text--muted{color:rgba(148,163,184,.9)}.new-book-form__preview-section{display:flex;flex-direction:column;gap:.4rem}.new-book-form__preview-quote{margin:0;font-size:.9rem;color:rgba(51,65,85,.95);white-space:pre-wrap}.new-book-form__preview-label{font-weight:var(--font-weight-semibold);color:rgba(30,41,59,.9)}.new-book-form__preview-note{margin:0;font-size:.85rem;color:rgba(71,85,105,.85)}.new-book-form__actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:var(--spacing-2)}.new-book-form__button{border-radius:999px;padding:.55rem 1.75rem;font-size:.9rem;font-weight:var(--font-weight-semibold);cursor:pointer;transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base),color var(--transition-base);border:1px solid transparent}.new-book-form__button--secondary{background:transparent;color:var(--color-text-muted);border-color:rgba(203,213,225,.9)}.new-book-form__button--secondary:hover{background:rgba(226,232,240,.45);color:var(--color-text)}.new-book-form__button--primary{background:#15803d;color:#fff;box-shadow:0 18px 32px rgba(21,128,61,.24)}.new-book-form__button--primary:hover{transform:translateY(-2px);background:#166534}.new-book-form__button--primary:disabled{background:rgba(148,163,184,.5);color:hsla(0,0%,100%,.8);cursor:not-allowed;box-shadow:none}.new-book-form__button--primary:disabled:hover{transform:none}@media (max-width:47.9rem){.new-book-page__container{padding:8rem var(--spacing-2) var(--spacing-3)}.new-book-form__section{padding:1.75rem}.new-book-form__field-grid{grid-template-columns:1fr}}.book-detail-page{min-height:100vh;background:var(--color-surface)}.book-detail-page__container{max-width:var(--content-max-width-form);margin:0 auto;padding:clamp(3rem,6vw,5rem) clamp(1.5rem,4vw,3rem) clamp(5rem,8vw,6rem)}.book-detail-page__back-link{display:inline-flex;align-items:center;gap:var(--spacing-1);font-size:.875rem;color:var(--color-text-muted);transition:color var(--transition-base);margin-bottom:var(--spacing-4)}.book-detail-page__back-link:hover{color:var(--color-zen-primary)}.book-detail-page__back-icon{width:1rem;height:1rem}.book-detail__cover-wrapper{position:relative;width:100%;aspect-ratio:2/3;overflow:hidden;border-radius:1.25rem;border:1px solid rgba(226,232,240,.65);background:#fff;box-shadow:0 20px 60px -30px rgba(15,23,42,.45),0 10px 25px -20px rgba(15,23,42,.35)}.book-detail__cover-image{-o-object-fit:cover;object-fit:cover}.book-detail__header{display:flex;flex-direction:column}.book-detail__reading-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.book-detail__title{font-size:2.5rem;font-weight:var(--font-weight-semibold);color:var(--color-text);line-height:var(--line-height-snug);margin-bottom:0}.book-detail__author{margin-top:0;padding-top:1rem;font-size:var(--font-size-base);color:var(--color-text-muted)}.book-detail__read-date{font-size:.875rem;color:var(--color-text-muted);font-style:italic;margin-top:.25rem}.book-detail__top-row{display:grid;grid-template-columns:minmax(260px,320px) minmax(0,1fr);gap:var(--spacing-6);align-items:start;margin-bottom:var(--spacing-6)}@media (max-width:1024px){.book-detail__top-row{grid-template-columns:minmax(0,1fr);gap:var(--spacing-4)}}.book-detail__cover-column{display:flex;flex-direction:column;align-self:stretch;justify-content:flex-end}@media (max-width:1024px){.book-detail__cover-column{max-width:320px;margin:0 auto}}.book-detail__info-column{gap:var(--spacing-4)}.book-detail__categories-section,.book-detail__info-column{display:flex;flex-direction:column}.book-detail__section-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.book-detail__content-row{display:flex;flex-direction:column;padding-top:var(--spacing-1);gap:var(--spacing-3)}.book-detail__delete-section{margin-top:var(--spacing-8);padding-top:var(--spacing-4)}.book-detail__chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}.book-detail__chip{display:inline-flex;align-items:center;padding:.35rem .9rem;border-radius:999px;border:1px solid rgba(148,163,184,.4);font-size:.8rem;font-weight:500;color:rgba(30,41,59,.8)}.book-detail__chip--empty{color:rgba(100,116,139,.8);border-style:dashed}.book-detail__actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:1.75rem}.book-detail__upload-button-wrapper{display:flex;justify-content:center}.book-detail__action-button{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.7rem 1.4rem;width:100%;border-radius:999px;border:1px solid rgba(148,163,184,.55);background:#fff;box-shadow:0 8px 18px -14px rgba(15,23,42,.45);font-size:.9rem;font-weight:600;color:rgba(30,41,59,.9);cursor:pointer;transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base),background var(--transition-base)}.book-detail__action-button:hover:not(:disabled){transform:translateY(-1px);background:#f8fafc;border-color:rgba(100,116,139,.7);box-shadow:0 18px 25px -18px rgba(15,23,42,.5)}.book-detail__action-button:disabled{cursor:not-allowed;color:rgba(100,116,139,.7);border-color:rgba(148,163,184,.3);box-shadow:none}.book-detail__action-icon{width:1.1rem;height:1.1rem}.book-detail__upload-input{display:none}.book-detail__delete-button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1.25rem;font-size:.875rem;font-weight:600;color:#dc2626;background:hsla(0,93%,94%,.5);border:1px solid rgba(220,38,38,.3);border-radius:1rem;cursor:pointer;transition:all var(--transition-base)}.book-detail__delete-button:disabled{color:rgba(220,38,38,.4);background:hsla(0,93%,94%,.2);border-color:rgba(220,38,38,.15);cursor:not-allowed}.book-detail__delete-button:hover:not(:disabled){color:#b91c1c;background:hsla(0,93%,94%,.8);border-color:rgba(185,28,28,.5);box-shadow:0 2px 8px rgba(220,38,38,.15)}.book-detail__delete-icon{width:1rem;height:1rem}.book-detail__highlights-section{display:flex;flex-direction:column}.book-detail__cover-clickable{cursor:pointer;position:relative}.book-detail__modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-4)}.book-detail__modal{background-color:var(--color-surface);border-radius:var(--radius-lg);padding:var(--spacing-4);max-width:600px;width:100%;position:relative}.book-detail__modal-close{position:absolute;top:var(--spacing-2);right:var(--spacing-2);background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--color-text-muted);transition:color var(--transition-base)}.book-detail__modal-close:hover{color:var(--color-text)}.book-detail__modal-image-wrapper{text-align:center;margin-bottom:var(--spacing-3)}.book-detail__modal-image-container{position:relative;width:100%;max-width:400px;height:500px;margin:0 auto;border-radius:var(--radius-md);overflow:hidden}.book-detail__modal-upload-section{padding-top:var(--spacing-3)}.book-detail__modal-upload-button{width:70%;padding:.65rem;background-color:#fff;color:var(--color-text);border:1px solid rgba(148,163,184,.55);border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-bold);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:var(--spacing-1);transition:background-color var(--transition-base),border-color var(--transition-base)}.book-detail__modal-upload-button:hover{background-color:#f8fafc;border-color:rgba(100,116,139,.7)}.book-detail__modal-upload-button:disabled{background-color:rgba(248,250,252,.5);color:rgba(100,116,139,.7);border-color:rgba(148,163,184,.3);cursor:not-allowed}.book-detail__modal-hint{margin-top:var(--spacing-1);font-size:.75rem;color:var(--color-text-muted);text-align:center}.book-detail__metadata-modal{background-color:var(--color-surface);border-radius:var(--radius-lg);padding:var(--spacing-6);max-width:700px;width:100%;position:relative;max-height:90vh;overflow-y:auto}.book-detail__metadata-modal-title{margin:0;font-size:1.35rem;font-weight:var(--font-weight-semibold);margin-bottom:var(--spacing-4);color:var(--color-text)}.book-detail__metadata-form{display:grid;grid-template-columns:200px 1fr;gap:var(--spacing-6);margin-bottom:var(--spacing-4)}@media (max-width:768px){.book-detail__metadata-form{grid-template-columns:1fr;gap:var(--spacing-4)}}.book-detail__metadata-left{display:flex;flex-direction:column;gap:var(--spacing-3)}.book-detail__metadata-cover{position:relative;width:100%;aspect-ratio:2/3;border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(226,232,240,.65)}.book-detail__metadata-cover-button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1rem;width:100%;border-radius:.9rem;border:1px solid rgba(203,213,225,.9);background:#fff;font-size:.9rem;font-weight:var(--font-weight-semibold);color:rgba(51,65,85,.95);cursor:pointer;transition:all var(--transition-base)}.book-detail__metadata-cover-button:hover:not(:disabled){background:#f8fafc;border-color:rgba(100,116,139,.7)}.book-detail__metadata-cover-button:disabled{cursor:not-allowed;opacity:.5}.book-detail__metadata-cover-icon{width:1rem;height:1rem}.book-detail__metadata-right{display:flex;flex-direction:column;gap:var(--spacing-3)}.book-detail__metadata-field{display:flex;flex-direction:column;gap:.6rem;font-size:.9rem}.book-detail__metadata-label{font-weight:var(--font-weight-semibold);color:rgba(51,65,85,.95)}.book-detail__metadata-input{width:100%;border-radius:.9rem;border:1px solid rgba(203,213,225,.9);padding:.65rem 1rem;font-size:.9rem;color:rgba(51,65,85,.95);background:#fff;transition:border-color var(--transition-base),box-shadow var(--transition-base)}.book-detail__metadata-input:focus{outline:none;border-color:var(--color-zen-primary);box-shadow:0 0 0 3px rgba(25,112,9,.14)}.book-detail__metadata-actions{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-2);margin-top:var(--spacing-4)}.book-detail__metadata-button{border-radius:999px;padding:.55rem 1.75rem;font-size:.9rem;font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-base);border:1px solid transparent}.book-detail__metadata-button--delete{background:transparent;color:rgba(185,28,28,.9);border-color:rgba(220,38,38,.4);display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.book-detail__metadata-button--delete:hover:not(:disabled){background:hsla(0,93%,94%,.5);border-color:rgba(220,38,38,.6)}.book-detail__metadata-button--cancel{background:transparent;color:var(--color-text-muted);border-color:rgba(203,213,225,.9)}.book-detail__metadata-button--cancel:hover:not(:disabled){background:rgba(226,232,240,.45);color:var(--color-text)}.book-detail__metadata-button--save{background:#15803d;color:#fff}.book-detail__metadata-button--save:hover:not(:disabled){transform:translateY(-2px);background:#166534}.book-detail__metadata-button--cancel:disabled,.book-detail__metadata-button--delete:disabled,.book-detail__metadata-button--save:disabled{cursor:not-allowed;opacity:.6}.book-detail__metadata-button--save:disabled:hover{transform:none}.book-detail__metadata-actions-right{display:flex;gap:var(--spacing-2)}.book-detail__highlights-header{display:flex;align-items:baseline;justify-content:space-between}.book-detail__section-title{font-size:1.3rem;font-weight:600;color:#0f172a}.book-detail__highlights-count{font-size:.875rem;color:#64748b}.highlight-list{position:relative;display:flex;flex-direction:column;gap:var(--spacing-4)}.highlight-list__group{display:flex;flex-direction:column;gap:var(--spacing-2)}.highlight-list__group-header{display:flex;align-items:baseline;justify-content:space-between;gap:var(--spacing-2)}.highlight-list__group-title{margin:0;font-size:.95rem;font-weight:var(--font-weight-semibold);color:var(--color-text-muted)}.highlight-list__group-count{font-size:.75rem;color:rgba(100,116,139,.9)}.highlight-list__empty{font-size:.9rem;color:rgba(100,116,139,.9);margin:var(--spacing-2) 0}.highlight-list__items{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--spacing-3)}.highlight-list__footer{display:flex;justify-content:flex-end;margin-top:var(--spacing-2)}.highlight-list__back-to-top{margin-top:var(--spacing-1);padding:.35rem .9rem;border-radius:999px;border:1px solid rgba(148,163,184,.4);background:hsla(0,0%,100%,.85);color:var(--color-text-muted);font-size:.75rem;font-weight:var(--font-weight-semibold);letter-spacing:.02em;text-transform:uppercase;cursor:pointer;transition:background var(--transition-base),border-color var(--transition-base),color var(--transition-base),transform var(--transition-base)}.highlight-list__back-to-top:hover{background:rgba(148,163,184,.12);border-color:rgba(148,163,184,.65);color:var(--color-text);transform:translateY(-1px)}.highlight-card{border-radius:1rem;border:1px solid rgba(226,232,240,.9);background:hsla(0,0%,100%,.85);padding:var(--spacing-3);box-shadow:0 10px 10px rgba(15,23,42,.06)}.highlight-card,.highlight-card__edit{display:flex;flex-direction:column;gap:var(--spacing-2)}.highlight-card__field{display:flex;flex-direction:column;gap:.5rem}.highlight-card__label{font-size:.7rem;font-weight:var(--font-weight-semibold);color:rgba(71,85,105,.95);text-transform:uppercase;letter-spacing:.04em}.highlight-card__textarea{width:100%;border:1px solid rgba(203,213,225,.9);border-radius:.75rem;padding:.75rem;font-size:.9rem;font-family:var(--font-family-base);line-height:1.5;transition:border-color var(--transition-base),box-shadow var(--transition-base);resize:vertical;background:hsla(0,0%,100%,.95)}.highlight-card__textarea:focus{outline:none;border-color:var(--color-zen-primary);box-shadow:0 0 0 3px rgba(25,112,9,.12)}.highlight-card__textarea--quote{font-family:var(--font-family-serif);font-size:1rem}.highlight-card__textarea--note{font-size:.85rem}.highlight-card__action-row{display:flex;flex-wrap:wrap;gap:.75rem}.highlight-card__button{border-radius:.65rem;padding:.45rem 1.1rem;font-size:.75rem;font-weight:var(--font-weight-semibold);transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base),color var(--transition-base);border:1px solid transparent;cursor:pointer}.highlight-card__button--primary{background:var(--color-zen-primary);color:#fff;box-shadow:0 10px 20px rgba(25,112,9,.18)}.highlight-card__button--primary:hover{transform:translateY(-1px);background:var(--color-zen-primary-dark)}.highlight-card__button--ghost{background:transparent;color:var(--color-text-muted);border-color:rgba(203,213,225,.9)}.highlight-card__button--ghost:hover{background:rgba(226,232,240,.35);color:var(--color-text)}.highlight-card__layout{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--spacing-2)}@media (max-width:47.9rem){.highlight-card__layout{flex-direction:column;align-items:stretch}.highlight-card__toolbar{justify-content:flex-start;padding-top:var(--spacing-1)}}.highlight-card__body{flex:1;display:flex;flex-direction:column;gap:var(--spacing-2)}.highlight-card__quote{margin:0;font-family:var(--font-family-serif);font-size:1rem;line-height:1.6;color:rgba(51,65,85,.95);white-space:pre-line}.highlight-card__note{background:rgba(252,211,77,.22);color:#92400e;border-radius:.75rem;padding:.5rem .75rem;font-size:.8rem;line-height:1.4}.highlight-card__note-label{font-weight:var(--font-weight-semibold);margin-right:.35rem}.highlight-card__note-editor{display:flex;flex-direction:column;gap:var(--spacing-1)}.highlight-card__toolbar{display:flex;align-items:center;gap:.5rem}.highlight-card__icon-button{border:none;border-radius:.55rem;padding:.4rem;background:transparent;color:rgba(100,116,139,.9);cursor:pointer;transition:color var(--transition-base),background var(--transition-base),transform var(--transition-base);display:inline-flex;align-items:center;justify-content:center}.highlight-card__icon-button:hover{background:rgba(226,232,240,.45);transform:translateY(-1px)}.highlight-card__icon-button--favorite-active{color:#f59e0b}.highlight-card__icon-button--favorite:hover{color:#d97706}.highlight-card__icon-button--note:hover{color:#1d4ed8}.highlight-card__icon-button--edit:hover{color:#047857}.highlight-card__icon-button--delete:hover{color:#b91c1c;background:hsla(0,91%,71%,.15)}.highlight-card__icon{width:1rem;height:1rem;display:block}.book-summary{border-radius:var(--radius-lg);border:1px solid var(--color-border);background:hsla(0,0%,100%,.5);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);backdrop-filter:blur(8px);overflow:hidden}.book-summary__header{width:100%;display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-3);background:transparent;border:none;cursor:pointer;transition:background-color var(--transition-base);font-family:var(--font-family-base)}.book-summary__title-wrapper{display:flex;align-items:center;gap:.75rem}.book-summary__icon-wrapper{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:50%;background-color:rgba(252,253,252,.978);flex-shrink:0}.book-summary__icon{width:2.5rem;height:2.5rem;-o-object-fit:contain;object-fit:contain}.book-summary__title-text{display:flex;flex-direction:column;justify-content:center;text-align:left}.book-summary__title{font-size:1.125rem;font-weight:var(--font-weight-semibold);color:var(--color-text);margin:0}.book-summary__subtitle,.book-summary__title{font-family:var(--font-family-base);line-height:1.4}.book-summary__subtitle{font-size:.75rem;color:var(--color-text-muted);margin:.125rem 0 0}.book-summary__toggle-icon{width:1.25rem;height:1.25rem;color:var(--color-text-muted);transition:transform var(--transition-base);flex-shrink:0}.book-summary__toggle-icon--expanded{transform:rotate(180deg)}.book-summary__content{background-color:hsla(0,0%,100%,.7);padding:0 var(--spacing-3);display:flex;flex-direction:column}.book-summary__collapse-button{margin-bottom:2rem;align-self:flex-end;display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .9rem;border-radius:999px;border:1px solid rgba(148,163,184,.4);background:hsla(0,0%,100%,.75);color:var(--color-text-muted);font-size:.75rem;font-weight:var(--font-weight-semibold);letter-spacing:.02em;text-transform:uppercase;transition:background var(--transition-base),border-color var(--transition-base),color var(--transition-base),transform var(--transition-base)}.book-summary__collapse-button:hover{background:rgba(148,163,184,.12);border-color:rgba(148,163,184,.65);color:var(--color-text);transform:translateY(-1px)}.book-summary__collapse-label{font-family:var(--font-family-zen);letter-spacing:.06em}.book-summary__collapse-icon{font-size:1rem;line-height:1}.book-summary__section{display:flex;flex-direction:column}.book-summary__section-title{font-size:1rem;font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);font-family:var(--font-family-base);margin-bottom:0}.book-summary__big-idea{display:flex;flex-direction:column;background:rgba(248,250,252,.5);border-radius:.5rem}.book-summary__thesis{color:var(--color-text)}.book-summary__problem,.book-summary__thesis{font-size:var(--font-size-base);font-weight:var(--font-weight-regular);line-height:1.7;font-family:var(--font-family-serif)}.book-summary__problem{margin-top:0;color:var(--color-text-muted);font-style:italic}.book-summary__chapter-card,.book-summary__chapters{display:flex;flex-direction:column}.book-summary__chapter-card{border:none;border-bottom:1px solid rgba(226,232,240,.8);background:transparent;padding:var(--spacing-2) 0;margin-bottom:1rem;gap:1rem}.book-summary__chapter-card:last-child{border-bottom:none}.book-summary__chapter-title{font-size:1rem;font-weight:var(--font-weight-semibold);color:var(--color-text);font-family:var(--font-family-base);line-height:1.4;margin:0}.book-summary__chapter-section{display:flex;flex-direction:column;gap:.25rem;margin:.25rem 0}.book-summary__chapter-label{font-size:.8125rem;font-weight:var(--font-weight-semibold);color:var(--color-text);font-family:var(--font-family-base);text-transform:uppercase;letter-spacing:.025em;margin:0}.book-summary__chapter-text{font-size:var(--font-size-base);color:var(--color-text-muted);line-height:1.7;font-family:var(--font-family-serif);margin:0}.book-summary__list{list-style-type:disc;list-style-position:inside;display:flex;flex-direction:column;margin:0;gap:.25rem}.book-summary__list-item{font-size:1rem}.book-summary__list-item,.book-summary__quote{color:var(--color-text-muted);line-height:1.7;font-family:var(--font-family-serif)}.book-summary__quote{border-left:4px solid hsla(25,5%,45%,.3);padding-left:.75rem;font-style:italic;font-size:var(--font-size-base)}.book-summary__frameworks{display:flex;flex-direction:column;gap:0}.book-summary__framework-card{border:none;border-bottom:1px solid rgba(226,232,240,.8);background:transparent;padding:var(--spacing-2) 0;display:flex;flex-direction:column;gap:.5rem}.book-summary__framework-card:last-child{border-bottom:none}.book-summary__framework-title{font-size:1rem;font-weight:var(--font-weight-semibold);color:var(--color-text);font-family:var(--font-family-base);line-height:1.4;margin:0}.book-summary__framework-definition{font-size:var(--font-size-base);color:var(--color-text-muted);line-height:1.7;font-family:var(--font-family-serif);margin:0}.book-summary__framework-application{margin-top:.75rem;display:flex;flex-direction:column;gap:.375rem}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-surface);padding:var(--spacing-4) var(--spacing-2)}.login-page__container{width:100%;max-width:28rem;display:flex;flex-direction:column;gap:var(--spacing-3)}.login-page__back-link{display:inline-flex;align-items:center;gap:var(--spacing-1);font-family:var(--font-family-zen);font-size:.875rem;color:var(--color-text-muted);transition:color var(--transition-base);align-self:flex-start}.login-page__back-link:hover{color:var(--color-zen-primary)}.login-page__back-icon{width:1rem;height:1rem}.login-page__card{background:hsla(0,0%,100%,.8);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-6);box-shadow:0 4px 24px rgba(15,23,42,.08)}.login-page__header{text-align:center;margin-bottom:var(--spacing-4)}.login-page__title{font-family:var(--font-family-zen);font-size:1.875rem;font-weight:var(--font-weight-semibold);color:var(--color-text);margin-bottom:var(--spacing-2);line-height:var(--line-height-snug)}.login-page__description{font-family:var(--font-family-zen);font-size:.9375rem;color:var(--color-text-muted);line-height:1.5}.login-form{display:flex;flex-direction:column;gap:var(--spacing-3)}.login-form__error{padding:var(--spacing-2);background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:.5rem;color:#b91c1c;font-size:.875rem;font-family:var(--font-family-zen);text-align:center}.login-form__field{display:flex;flex-direction:column;gap:.5rem}.login-form__label{font-size:.875rem;font-weight:var(--font-weight-semibold);letter-spacing:.01em}.login-form__input,.login-form__label{font-family:var(--font-family-zen);color:var(--color-text)}.login-form__input{font-size:.9375rem;padding:.75rem var(--spacing-2);border:1px solid var(--color-border);border-radius:.75rem;background:var(--color-surface);transition:all var(--transition-base);outline:none}.login-form__input:focus{border-color:var(--color-zen-primary);box-shadow:0 0 0 3px rgba(25,112,9,.1)}.login-form__input::-moz-placeholder{color:#94a3b8}.login-form__input::placeholder{color:#94a3b8}.login-form__submit{margin-top:var(--spacing-1);padding:.875rem var(--spacing-4);background:var(--color-zen-primary);color:var(--color-surface);border:none;border-radius:.75rem;font-family:var(--font-family-zen);font-size:.9375rem;font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-base);box-shadow:0 4px 16px rgba(25,112,9,.2)}.login-form__submit:hover:not(:disabled){background:#057c31;transform:translateY(-1px);box-shadow:0 6px 20px rgba(25,112,9,.3)}.login-form__submit:disabled{background:#94a3b8;cursor:not-allowed;transform:none;box-shadow:none}.login-form__spinner{display:flex;align-items:center;justify-content:center;gap:.5rem}.login-form__spinner-icon{width:1.25rem;height:1.25rem;animation:spin 1s linear infinite}.login-form__spinner-circle{opacity:.25}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.login-page__footer{margin-top:var(--spacing-3);padding-top:var(--spacing-3);border-top:1px solid var(--color-border);text-align:center}.login-page__footer-text{font-family:var(--font-family-zen);font-size:.8125rem;color:var(--color-text-muted);line-height:1.5}@media (max-width:47.9rem){.login-page__card{padding:var(--spacing-4)}.login-page__title{font-size:1.5rem}}.loading-screen{position:fixed;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;background:var(--color-surface);z-index:9999}.loading-content{display:flex;flex-direction:column;align-items:center;gap:1.5rem}.loading-icon{font-size:4rem;animation:loadingGrow 1.5s ease-in-out infinite}.loading-text{font-family:var(--font-family-zen);font-size:1.125rem;font-weight:var(--font-weight-regular);color:var(--color-text-muted);animation:loadingPulse 1.5s ease-in-out infinite}@keyframes loadingGrow{0%,to{transform:scale(1);opacity:.8}50%{transform:scale(1.2);opacity:1}}@keyframes loadingPulse{0%,to{opacity:.5}50%{opacity:1}}