:root{color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;background:radial-gradient(circle at 20% 10%,#1e293b,#0f172a 45%,#020617);font-family:IBM Plex Mono,SFMono-Regular,Menlo,Monaco,Consolas,monospace;touch-action:none;overscroll-behavior:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}#app{position:fixed;inset:0;width:var(--app-viewport-width, 100vw);height:var(--app-viewport-height, 100dvh);margin:0;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}#app:fullscreen,#app:-webkit-full-screen{width:var(--app-viewport-width, 100vw);height:var(--app-viewport-height, 100dvh);margin:0}.startup-error{width:fit-content;max-width:calc(100% - 24px);margin:12px auto 0;border:1px solid #7f1d1d;border-radius:10px;background:linear-gradient(160deg,#450a0ad9,#020617eb);box-shadow:0 12px 36px #0206178c;color:#fecaca;display:flex;flex-direction:column;gap:8px;padding:14px 16px;overflow-wrap:anywhere}.startup-error__back-link{margin:0;color:#fff;font-weight:700;font-size:.9rem;text-decoration:underline;text-underline-offset:.14em;width:fit-content}.startup-error__back-link:hover{color:#fff}.startup-error__title{margin:0;font-size:clamp(1.15rem,1.3vw + .9rem,1.8rem);color:#ffe4e6}.startup-error__details{margin:0;color:#fecdd3;line-height:1.5;font-size:clamp(.95rem,.35vw + .85rem,1.1rem)}.startup-error__hint-label{margin:4px 0 0;color:#ffe4e6;font-size:.9rem}.startup-error__hint-list{margin:0;color:#fecaca;font-size:.9rem;line-height:1.4}canvas{display:block;border:0;border-radius:0;box-shadow:none;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}canvas:fullscreen,canvas:-webkit-full-screen{border:0;border-radius:0;box-shadow:none}.feedback-overlay-root{position:absolute;inset:0;pointer-events:none;z-index:20}.feedback-overlay-root--sending{cursor:progress}.feedback-overlay-textarea,.feedback-overlay-input,.feedback-overlay-error{position:absolute}.feedback-overlay-textarea,.feedback-overlay-input{pointer-events:auto;border:1px solid rgba(148,163,184,.45);border-radius:14px;background:linear-gradient(180deg,#0f172af5,#020617f5);box-shadow:inset 0 1px #ffffff0d;color:#e2e8f0;font-family:IBM Plex Mono,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:clamp(16px,1vw,24px);line-height:1.5;padding:14px 18px;outline:none}.feedback-overlay-textarea::placeholder,.feedback-overlay-input::placeholder{color:#94a3b8;font-size:1em;opacity:1}@media(max-width:900px){.feedback-overlay-textarea::placeholder,.feedback-overlay-input::placeholder{font-size:.5em}}.feedback-overlay-textarea:focus,.feedback-overlay-input:focus{border-color:#3b82f6e6;box-shadow:0 0 0 1px #3b82f6e6,inset 0 1px #ffffff0d}.feedback-overlay-input--error,.feedback-overlay-input--error:focus{border-color:#ef4444f2;box-shadow:0 0 0 1px #ef4444f2,inset 0 1px #ffffff0d}.feedback-overlay-textarea{resize:none}.feedback-overlay-textarea:disabled,.feedback-overlay-input:disabled{opacity:.7}.feedback-overlay-error{pointer-events:none;color:#fecaca;font-size:clamp(14px,.8vw,20px);line-height:1.5;overflow:hidden}