:root { color-scheme: dark; --green: #00ff41; --muted: #68b97d; --rule: #174825; font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace; background: #000; color: var(--green); font-variant-numeric: tabular-nums; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100svh; padding: clamp(24px, 6vw, 80px); font-size: 16px; line-height: 1.7; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 2; background: repeating-linear-gradient(transparent 0 3px, rgb(0 0 0 / 12%) 3px 4px); }
.terminal { max-width: 960px; margin: 0 auto; padding-top: clamp(48px, 15vh, 140px); }
.intro header, .intro footer, .intro #hint, .intro button { display: none; }
.intro .terminal { padding-top: clamp(48px, 15vh, 140px); }
.intro #transcript { min-height: 0; }
.boot-cursor { display: none; width: .65em; height: 1.2em; background: var(--green); margin-top: 32px; animation: cursor-blink 1s steps(1, end) infinite; }
.booting .boot-cursor { display: block; position: absolute; margin-top: 39px; pointer-events: none; }
.booting:has(input:not(:placeholder-shown)) .boot-cursor { display: none; }
.booting #transcript { display: none; }
.booting #prompt { margin-top: 32px; border-color: transparent; }
.booting #prompt label { display: none; }
.booting #prompt input:placeholder-shown { caret-color: transparent; }
@keyframes cursor-blink { 50% { opacity: 0; } }
header { display: flex; align-items: baseline; justify-content: space-between; border-bottom: 1px solid var(--rule); padding-bottom: 20px; margin-bottom: clamp(40px, 8vh, 88px); }
h1 { font-size: clamp(24px, 4vw, 34px); font-weight: 500; letter-spacing: .16em; margin: 0; }
header span, #hint, footer { color: var(--muted); font-size: 12px; }
#transcript { min-height: 180px; text-shadow: 0 0 5px rgb(0 255 65 / 18%); }
.line { margin: 0 0 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
.note { color: var(--muted); }
.reply { color: var(--muted); margin-top: 24px; }
.question { margin-top: 32px; }
a { color: inherit; text-underline-offset: 5px; }
a:hover { color: #b2ffc5; }
#prompt { display: flex; gap: 14px; align-items: center; margin-top: 24px; border-bottom: 1px solid var(--rule); padding-bottom: 12px; }
input { flex: 1; min-width: 0; background: transparent; color: var(--green); border: 0; padding: 7px 0; font: inherit; caret-color: var(--green); outline: none; }
::selection { background: var(--green); color: #000; }
#prompt:focus-within { border-color: var(--green); }
button { font: inherit; font-size: 12px; padding: 6px 10px; color: var(--muted); background: transparent; border: 1px solid var(--rule); cursor: pointer; }
button:hover { color: var(--green); border-color: var(--green); }
button:focus-visible, a:focus-visible { outline: 2px solid var(--green); outline-offset: 5px; }
#hint { margin-top: 12px; }
footer { display: flex; gap: 20px; justify-content: space-between; border-top: 1px solid var(--rule); margin-top: clamp(64px, 12vh, 140px); padding-top: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
@media (max-width: 480px) { body { font-size: 14px; } footer { font-size: 10px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .boot-cursor { animation: none; } }

dialog { max-width: min(520px, calc(100vw - 48px)); color: var(--green); background: #000; border: 1px solid var(--rule); padding: 24px; }
dialog::backdrop { background: rgb(0 0 0 / 80%); }
dialog h2 { font: inherit; font-size: 20px; }
dialog input { display: block; width: 100%; border-bottom: 1px solid var(--green); margin: 16px 0 24px; }
dialog button { margin-right: 12px; }

.quick-actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.quick-actions button,.node-choice{background:#07150b;border:1px solid #286c39;color:#a0efad;padding:10px 14px;font:inherit;cursor:pointer}.node-choice{display:block;margin:8px 0;text-align:left;max-width:100%;overflow-wrap:anywhere}button:hover{border-color:#00ff41}button:focus-visible,summary:focus-visible{outline:2px solid #00ff41;outline-offset:3px}.intro .quick-actions button{display:inline-block}.booting .quick-actions{visibility:hidden}.customize-dialog{width:min(760px,calc(100vw - 32px));max-height:90dvh;box-sizing:border-box;overflow:auto;padding:24px}.customize-dialog::backdrop{background:#000b}.customize-dialog label{display:flex;flex-direction:column;gap:6px;margin:14px 0}.customize-dialog input,.customize-dialog textarea,.customize-dialog select{box-sizing:border-box;width:100%;background:#08110a;color:#c6edcc;border:1px solid #397747;padding:10px;font:inherit}.customize-dialog input[type=color]{height:44px;padding:4px}.appearance{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.customize-dialog iframe{width:100%;height:400px;border:1px solid #397747;box-sizing:border-box}.customize-dialog iframe[hidden]{display:none}.customize-dialog summary{cursor:pointer}.customize-dialog p{font-size:14px;color:#a0bba4}.customize-dialog button:disabled{opacity:.5;cursor:wait}@media(max-width:520px){.appearance{grid-template-columns:1fr}.customize-dialog{padding:16px}}

.customize-dialog fieldset{border:1px solid #397747;margin:20px 0;padding:16px;min-width:0}#local-media-preview img,#local-media-preview video{max-width:100%;max-height:300px}#local-media-preview audio{width:100%}

/* Keep editing actions reachable, especially on phones. */
.customize-dialog{max-width:min(760px,calc(100vw - 32px));scrollbar-color:#397747 #08110a;scrollbar-width:thin}.customize-dialog input{margin:0;flex:none}.customize-dialog label{margin:12px 0}.customize-dialog .editor-actions{position:sticky;bottom:-24px;background:#000;padding:12px 0;border-top:1px solid var(--rule);z-index:3}.customize-dialog button{min-height:44px;margin-right:0}.customize-dialog input:focus-visible,.customize-dialog textarea:focus-visible,.customize-dialog select:focus-visible{outline:2px solid var(--green);outline-offset:2px}.quick-actions button,#prompt button{min-height:44px}.customize-dialog legend{font-size:15px}.customize-dialog p{line-height:1.5}@media(max-width:520px){.customize-dialog .editor-actions{bottom:-16px}.customize-dialog{font-size:16px}.appearance{grid-template-columns:1fr 1fr}.appearance label:nth-child(2){grid-column:1/-1;grid-row:2}.editor-actions button{flex:1;font-size:12px;padding:8px}.customize-dialog h2{margin-top:0}}