.study-route-root{background:var(--app-bg);color:var(--app-text);margin:0;padding:0}.study-route-root,.study-route-root *{box-sizing:border-box}.study-route-root ::selection{background:#2563eb24}.study-route-root::-webkit-scrollbar{width:9px;height:9px}.study-route-root ::-webkit-scrollbar{width:9px;height:9px}.study-route-root::-webkit-scrollbar-thumb{background:var(--app-border-strong);border-radius:999px}.study-route-root ::-webkit-scrollbar-thumb{background:var(--app-border-strong);border-radius:999px}.study-route-root::-webkit-scrollbar-track{background:0 0}.study-route-root ::-webkit-scrollbar-track{background:0 0}.study-route-root .study-reader-header-fixed{inset:0 0 auto;z-index:60!important;position:fixed!important}@keyframes fade-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-out{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}@keyframes slide-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-4px)}20%,40%,60%,80%{transform:translate(4px)}}@keyframes pulse-success{0%{box-shadow:0 0 #10b98180}70%{box-shadow:0 0 0 15px #10b98100}to{box-shadow:0 0 #10b98100}}@keyframes confetti{0%{opacity:1;transform:translateY(0)rotate(0)}to{opacity:0;transform:translateY(100vh)rotate(720deg)}}@keyframes bounce-in{0%{opacity:0;transform:scale(.3)}50%{transform:scale(1.05)}70%{transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes sidebar-hint{0%,to{transform:translate(0,0);box-shadow:0 0 #2454d600}18%{transform:translateY(-2px);box-shadow:0 0 0 6px #2454d61a}36%{transform:translateY(1px);box-shadow:0 0 0 10px #2454d60f}54%{transform:translateY(-1px);box-shadow:0 0 0 14px #2454d600}}@keyframes reader-toggle-float{0%,to{box-shadow:var(--app-shadow-soft), 0 0 0 0 color-mix(in srgb, var(--app-text-strong) 0%, transparent);transform:translate(0,0)}50%{box-shadow:var(--app-shadow-raised), 0 0 0 4px color-mix(in srgb, var(--app-text-strong) 5%, transparent);transform:translateY(-2px)}}.animate-fade-in{animation:.3s ease-out forwards fade-in}.animate-fade-out{animation:.15s ease-in forwards fade-out}.animate-slide-up{animation:.4s ease-out forwards slide-up}.animate-shake{animation:.5s ease-in-out shake}.animate-pulse-success{animation:.6s ease-out pulse-success}.animate-confetti{animation:2s ease-out forwards confetti}.animate-bounce-in{animation:.5s ease-out forwards bounce-in}.animate-float{animation:3s ease-in-out infinite float}.psyedu-sidebar-hint{animation:1.1s ease-in-out sidebar-hint}.psyedu-reader-toggle-float{animation:4.8s ease-in-out infinite reader-toggle-float}.stagger-children>*{opacity:0;animation:.3s ease-out forwards fade-in}.stagger-children>:first-child{animation-delay:50ms}.stagger-children>:nth-child(2){animation-delay:.1s}.stagger-children>:nth-child(3){animation-delay:.15s}.stagger-children>:nth-child(4){animation-delay:.2s}.stagger-children>:nth-child(5){animation-delay:.25s}.stagger-children>:nth-child(6){animation-delay:.3s}.card-hover{transition:all .2s ease-out}.card-hover:hover{box-shadow:var(--app-shadow-raised);transform:translateY(-2px)}.btn-hover{transition:all .15s ease-out}.btn-hover:hover{transform:translateY(-1px)}.btn-hover:active{transform:translateY(0)scale(.98)}.reader-content{max-width:68ch;color:var(--app-text);letter-spacing:0;overflow-wrap:normal;word-break:keep-all;-webkit-hyphens:none;hyphens:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0 auto;font-family:Iowan Old Style,Palatino Linotype,Book Antiqua,Palatino,Georgia,serif;font-size:1.07rem;line-height:1.86}.reader-content>:first-child{margin-top:0}.reader-content p{text-wrap:pretty;orphans:2;widows:2;margin:0 0 1.2rem}.reader-content h2{font-family:var(--font-sans,ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif);color:var(--app-text-strong);letter-spacing:0;text-wrap:balance;margin:3.1rem 0 1.05rem;font-size:1.88rem;font-weight:800;line-height:1.14}.reader-content h3{font-family:var(--font-sans,ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif);color:var(--app-text-strong);letter-spacing:0;text-wrap:balance;margin:2.15rem 0 .85rem;font-size:1.28rem;font-weight:800;line-height:1.24}.reader-content h4{font-family:var(--font-sans,ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif);color:var(--app-text-strong);letter-spacing:0;text-wrap:balance;margin:0 0 1rem;font-size:1.16rem;font-weight:800;line-height:1.25}.reader-content h5{font-family:var(--font-sans,ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif);color:var(--app-muted);text-transform:uppercase;letter-spacing:.04em;margin:1.3rem 0 .7rem;font-size:.95rem;font-weight:700;line-height:1.35}.reader-content .reader-anchor-heading{scroll-margin-top:6.5rem}.reader-content strong,.reader-content b{color:var(--app-text-strong);font-weight:700}.reader-content ul,.reader-content ol{margin:0 0 1.25rem;padding-left:1.4rem}.reader-content li{text-wrap:pretty;margin-bottom:.55rem}.reader-content ol li::marker{color:var(--app-muted)}.reader-content ul li::marker{color:var(--app-muted)}.reader-content blockquote{border-left:3px solid var(--psyedu);background:color-mix(in srgb, var(--state-info-bg) 58%, var(--app-surface-solid));color:var(--state-info-text);font-family:var(--font-sans,ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif);border-radius:14px;margin:1.65rem 0;padding:1rem 1.1rem;font-size:.94rem;line-height:1.7}.reader-content mark{background:var(--reader-highlight-bg);color:var(--reader-highlight-text);border-radius:.35rem;padding:.08rem .25rem}.reader-content ::selection{color:var(--app-text-strong);background:#4f8ef733}.reader-content a{color:var(--psyedu-deep);border-bottom:1px solid color-mix(in srgb, var(--psyedu) 24%, transparent);text-decoration:none;transition:border-color .14s ease-out,color .14s ease-out}.reader-content a:hover{color:var(--psyedu);border-bottom-color:color-mix(in srgb, var(--psyedu) 42%, transparent)}.reader-content .recall-block{border:1px solid var(--app-border);background:color-mix(in srgb, var(--app-surface) 88%, var(--app-surface-elevated));box-shadow:var(--app-shadow-soft), 0 0 0 1px color-mix(in srgb, var(--psyedu) 5%, transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-radius:24px;margin:2.15rem 0 2.35rem;padding:1.3rem 1.3rem 1.1rem;transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;position:relative}.reader-content .recall-block:hover{border-color:color-mix(in srgb, var(--psyedu) 16%, var(--app-border));box-shadow:var(--app-shadow-raised), 0 0 0 1px color-mix(in srgb, var(--psyedu) 9%, transparent);transform:translateY(-1px)}@media (prefers-reduced-motion:reduce){.study-route-root *,.study-route-root :before,.study-route-root :after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.reader-content .recall-block{transition:none}.reader-content .recall-block:hover{transform:none}}.reader-content .recall-block .recall-title{font-family:var(--font-sans,ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif);text-transform:uppercase;letter-spacing:.14em;color:var(--psyedu-deep);background:color-mix(in srgb, var(--psyedu-light) 10%, transparent);border:1px solid color-mix(in srgb, var(--psyedu-light) 18%, transparent);border-radius:999px;align-items:center;gap:.45rem;margin-top:0;margin-bottom:.9rem;padding:.34rem .68rem;font-size:.76rem;font-weight:800;line-height:1.1;display:inline-flex}.reader-content .recall-block .recall-title:before{content:"✦";color:var(--psyedu);font-size:.9em}.reader-content .recall-block p:last-child,.reader-content .recall-block ul:last-child,.reader-content .recall-block ol:last-child,.reader-content .recall-block table:last-child{margin-bottom:0}.reader-content .recall-block .recall-list{margin:0 0 1rem;padding-left:0;list-style:none}.reader-content .recall-block .recall-list li{margin:0 0 .65rem}.reader-content .recall-block .recall-item{background:color-mix(in srgb, var(--psyedu) 6%, transparent);border:1px solid color-mix(in srgb, var(--psyedu) 12%, transparent);color:var(--app-text-strong);overflow-wrap:normal;word-break:keep-all;-webkit-hyphens:none;hyphens:none;border-radius:16px;margin:0 0 .75rem;padding:.72rem .95rem .72rem 2.05rem;position:relative}.reader-content .recall-block .recall-item:before{content:"";background:var(--psyedu);width:10px;height:10px;box-shadow:0 8px 18px color-mix(in srgb, var(--psyedu) 24%, transparent);border-radius:999px 999px 999px 2px;position:absolute;top:1.15rem;left:.85rem;transform:translateY(-50%)rotate(45deg)}.reader-content .recall-block .recall-item-warn{background:color-mix(in srgb, var(--state-warning-bg) 72%, transparent);border-color:var(--state-warning-border)}.reader-content .recall-block .recall-item-warn:before{background:var(--state-warning-text);box-shadow:0 10px 20px color-mix(in srgb, var(--state-warning-text) 18%, transparent)}.reader-content .recall-block .recall-item-warn:after{content:"!";width:12px;height:12px;color:var(--app-bg);font-family:var(--font-sans,ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif);letter-spacing:-.02em;place-items:center;font-size:11px;font-weight:900;display:grid;position:absolute;top:1.15rem;left:.835rem;transform:translateY(-50%)}.reader-content .recall-block .recall-item-formula{background:color-mix(in srgb, var(--psyedu-light) 7%, transparent);border-color:color-mix(in srgb, var(--psyedu-light) 18%, transparent);font-family:ui-serif,Iowan Old Style,Palatino Linotype,Palatino,Georgia,serif}.reader-content .recall-block .recall-item-formula:after{content:"=";width:12px;height:12px;color:var(--app-bg);font-family:var(--font-sans,ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif);place-items:center;font-size:12px;font-weight:800;display:grid;position:absolute;top:1.15rem;left:.82rem;transform:translateY(-50%)}.reader-content>table{border-collapse:collapse;width:100%;margin:1.1rem 0 1.4rem}.reader-content>table td{overflow-wrap:normal;word-break:keep-all;-webkit-hyphens:none;hyphens:none}.reader-content .card{border:1px solid var(--app-border);background:var(--app-surface-solid);box-shadow:var(--app-shadow-soft);border-radius:18px;margin:1.5rem 0;padding:1.2rem 1.25rem}.reader-content hr{background:var(--app-border);border:none;height:1px;margin:2rem 0}@media (max-width:900px){.reader-content{overflow-wrap:anywhere;word-break:normal;-webkit-hyphens:auto;hyphens:auto;font-size:1rem;line-height:1.78}.reader-content h2{font-size:1.6rem}.reader-content h3{font-size:1.22rem}.reader-content .recall-block{border-radius:20px;padding:1.1rem 1rem}.reader-content .recall-block .recall-item{overflow-wrap:anywhere;word-break:normal;-webkit-hyphens:auto;hyphens:auto}}