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both}.form-toast--success{background:#e6f7ed;color:#1c7a44;border:1px solid #b6e6c8}.form-toast--error{background:#fdecea;color:#b3261e;border:1px solid #f5c2bd}[data-theme=dark] .form-toast--success{background:#2ea05a26;color:#7ee0a3;border-color:#2ea05a66}[data-theme=dark] .form-toast--error{background:#e5393526;color:#ff9b94;border-color:#e5393566}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.spinner{animation-duration:1.4s}.form-toast{animation:none}}@keyframes page-enter{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.page-transition{animation:page-enter .45s cubic-bezier(.22,.61,.36,1) both}.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1);will-change:opacity,transform}.reveal.is-visible{opacity:1;transform:translateY(0)}.nav-links .nav-item.active{color:#60a5fa;background:#ffffff29}.top-bar>.nav-container>.nav-item.active{color:#60a5fa}.reading-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:1000;pointer-events:none;background:transparent}.reading-progress-bar{height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--accent),var(--text-accent));transition:transform .1s linear}.scroll-top{position:fixed;bottom:28px;right:28px;width:46px;height:46px;border:none;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(16px) scale(.9);transition:opacity .3s ease,transform .3s ease,visibility .3s ease,background-color .2s ease;z-index:1000}.scroll-top.show{opacity:1;visibility:visible;transform:translateY(0) scale(1)}.scroll-top:hover{background:var(--text-accent);transform:translateY(-2px) scale(1.05)}.scroll-top:focus-visible{outline:2px solid #fff;outline-offset:2px}[data-theme=dark] .scroll-top{color:#0b1220}@media(max-width:480px){.scroll-top{bottom:18px;right:18px;width:42px;height:42px}}@media(prefers-reduced-motion:reduce){.page-transition{animation:none}.reveal{opacity:1;transform:none;transition:none}.scroll-top{transition:opacity .2s ease,visibility .2s ease;transform:none}.scroll-top.show:hover{transform:none}}