:root {
  --bg: #0a0a0c;
  --bg-2: #111115;
  --fg: #e6e6ea;
  --muted: #8a8a94;
  --dim: #55555f;
  --line: #1f1f26;
  --chrome-1: #ffffff;
  --chrome-2: #b9bcc6;
  --chrome-3: #5e6270;
  --chrome-4: #d9dbe2;
  --accent: #7fe3d8;
  --accent-dim: #2a8f86;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --pixel: "Press Start 2P", var(--mono);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--fg); text-decoration: none; border-bottom: 1px solid var(--dim); }
a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 20px 200px;
}

/* ---------- header ---------- */
.brand {
  display: block;
  width: min(100%, 381px);
  border-bottom: 0;
  user-select: none;
}
.brand:hover { border-bottom: 0; }
.brand .logo {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: pixelated;
}
.logo-shine { opacity: 0; animation: logo-shine 4s steps(1) infinite; }
@keyframes logo-shine {
  0%, 84% { opacity: 0; }
  85%, 94% { opacity: 1; }
  95%, 100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .logo-shine { animation: none; opacity: 0; } }
.tagline { margin: 14px 0 0; color: var(--muted); line-height: 1.7; }
.tagline b { color: var(--fg); font-weight: 500; }
.tagline .where { color: var(--muted); }

.contacts {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  color: var(--muted);
}
.contacts a { border-bottom: 1px dotted var(--dim); }

hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0 28px; }

/* ---------- sections ---------- */
h2 {
  font-family: var(--pixel);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--muted);
  margin: 36px 0 14px;
  text-transform: uppercase;
}
.items { list-style: none; padding: 0; margin: 0; }
.items li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.items li:last-child { border-bottom: 0; }
.items .ico { font-size: 18px; line-height: 1.4; }
.items .t { font-weight: 600; }
.items .d { color: var(--muted); }
.badge {
  display: inline-block;
  font-family: var(--pixel);
  font-size: 8px;
  letter-spacing: 1px;
  padding: 4px 6px 3px;
  margin-left: 8px;
  vertical-align: middle;
  border: 1px solid var(--dim);
  color: var(--muted);
  border-radius: 2px;
}
.badge.live { color: var(--accent); border-color: var(--accent-dim); }

footer { margin-top: 56px; color: var(--dim); font-size: 13px; }

/* ---------- turtle stage ---------- */
#stage {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 128px;
  pointer-events: none;
  z-index: 20;
}
#stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}
#ground {
  position: fixed; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--line); z-index: 19;
}

#bubble {
  position: fixed;
  z-index: 21;
  max-width: 280px;
  background: var(--bg-2);
  border: 1px solid var(--chrome-3);
  color: var(--fg);
  font-size: 13px;
  line-height: 1.45;
  padding: 10px 12px;
  border-radius: 2px;
  box-shadow: 0 0 0 2px var(--bg), 4px 4px 0 var(--line);
  transform: translate(-50%, 0);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}
#bubble.show { opacity: 1; pointer-events: auto; }
#bubble:after {
  content: "";
  position: absolute; left: 50%; bottom: -7px;
  width: 10px; height: 10px;
  background: var(--bg-2);
  border-right: 1px solid var(--chrome-3);
  border-bottom: 1px solid var(--chrome-3);
  transform: translateX(-50%) rotate(45deg);
}
#bubble form { display: flex; gap: 6px; margin-top: 8px; }
#bubble input {
  flex: 1; min-width: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 13px;
  padding: 6px 8px;
  outline: none;
}
#bubble input:focus { border-color: var(--accent-dim); }
#bubble button, .pxbtn {
  background: var(--bg);
  border: 1px solid var(--chrome-3);
  color: var(--fg);
  font-family: var(--pixel);
  font-size: 9px;
  padding: 7px 10px 6px;
  cursor: pointer;
}
#bubble button:hover, .pxbtn:hover { border-color: var(--accent); color: var(--accent); }

#hud {
  position: fixed;
  right: 16px; bottom: 16px;
  z-index: 22;
  display: flex;
  gap: 8px;
  align-items: center;
}
#hud .stat {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--muted);
  letter-spacing: 1px;
  margin-right: 6px;
}

/* ---------- skin panel ---------- */
#skin-panel {
  position: fixed;
  right: 16px; bottom: 56px;
  z-index: 23;
  width: 340px; max-width: calc(100vw - 32px);
  background: var(--bg-2);
  border: 1px solid var(--chrome-3);
  box-shadow: 0 0 0 2px var(--bg), 4px 4px 0 var(--line);
  padding: 12px;
  display: none;
  font-size: 12px;
  color: var(--muted);
}
#skin-panel.show { display: block; }
.sp-head { display: flex; justify-content: space-between; align-items: center; font-family: var(--pixel); font-size: 9px; color: var(--fg); margin-bottom: 10px; }
.sp-head .pxbtn { padding: 4px 7px 3px; }
.sp-list { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.skin-chip {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: var(--bg); border: 1px solid var(--line); color: var(--muted);
  font-family: var(--mono); font-size: 11px; padding: 6px; cursor: pointer; width: 72px;
}
.skin-chip img { width: 56px; height: 32px; object-fit: cover; object-position: left center; image-rendering: pixelated; }
.skin-chip.on { border-color: var(--accent); color: var(--accent); }
.skin-chip:hover { border-color: var(--chrome-3); }
.sp-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.sp-url { display: flex; gap: 6px; flex: 1; min-width: 160px; }
.sp-url input { flex: 1; min-width: 0; background: var(--bg); border: 1px solid var(--line); color: var(--fg); font-family: var(--mono); font-size: 12px; padding: 6px 8px; outline: none; }
.sp-url input:focus { border-color: var(--accent-dim); }
.file-btn { display: inline-block; }
.sp-opts label { display: inline-flex; align-items: center; gap: 4px; }
.sp-opts select { background: var(--bg); color: var(--fg); border: 1px solid var(--line); font-family: var(--mono); font-size: 12px; padding: 3px 4px; }
.sp-opts input[type=checkbox] { accent-color: var(--accent); }
.sp-note { margin: 6px 0 0; font-size: 11px; line-height: 1.5; color: var(--dim); }
body.dropping #stage { outline: 2px dashed var(--accent); outline-offset: -4px; }

/* ---------- chat page ---------- */
.chat-wrap { max-width: 820px; margin: 0 auto; padding: 28px 20px 160px; }
.chat-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.chat-head .back { color: var(--muted); border: 0; }
.chat-head .title { font-family: var(--pixel); font-size: 12px; }
.chat-note { color: var(--muted); font-size: 13px; margin: 0 0 18px; }
#log { display: flex; flex-direction: column; gap: 12px; }
.msg { display: grid; grid-template-columns: 54px 1fr; gap: 12px; align-items: start; }
.msg .who { font-family: var(--pixel); font-size: 8px; color: var(--muted); padding-top: 6px; letter-spacing: 1px; }
.msg .body { white-space: pre-wrap; word-break: break-word; border-left: 2px solid var(--line); padding: 2px 0 2px 12px; }
.msg.turtle .body { border-left-color: var(--accent-dim); }
.msg.sys .body { color: var(--muted); border-left-color: transparent; font-size: 13px; }
#composer {
  position: fixed; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(10,10,12,0) 0%, var(--bg) 30%);
  padding: 28px 20px 20px;
  z-index: 30;
}
#composer form { max-width: 820px; margin: 0 auto; display: flex; gap: 8px; }
#composer input {
  flex: 1; min-width: 0;
  background: var(--bg-2);
  border: 1px solid var(--chrome-3);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
}
#composer input:focus { border-color: var(--accent); }

.cursor:after { content: "▋"; animation: blink 1s steps(1) infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

@media (max-width: 560px) {
  .wrap { padding-top: 32px; padding-bottom: 220px; }
  #bubble { max-width: 70vw; }
  .msg { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- agent mode ---------- */
.chat-head .spacer { flex: 1; }
.chat-head .mode {
  font-family: var(--pixel); font-size: 8px; letter-spacing: 1px;
  padding: 7px 10px 6px; cursor: pointer; background: var(--bg);
  border: 1px solid var(--chrome-3); color: var(--muted);
}
.chat-head .mode.own { border-color: var(--accent-dim); color: var(--accent); }
.step {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  margin-left: 66px; padding: 6px 10px; font-size: 13px;
  border: 1px solid var(--line); background: var(--bg-2); color: var(--muted);
}
.step .dot { width: 8px; height: 8px; flex: none; background: var(--dim); align-self: center; }
.step.running .dot { background: var(--accent); animation: blink 0.8s steps(1) infinite; }
.step.ok .dot { background: var(--accent-dim); }
.step.fail .dot { background: #d2615a; }
.step .label { font-family: var(--pixel); font-size: 8px; letter-spacing: 1px; color: var(--fg); }
.step .detail { color: var(--muted); min-width: 0; overflow-wrap: anywhere; }
.step.fail .detail { color: #d2615a; }
figure.gen { margin: 0 0 0 66px; max-width: 420px; }
figure.gen img { display: block; width: 100%; height: auto; border: 1px solid var(--chrome-3); box-shadow: 4px 4px 0 var(--line); image-rendering: auto; }
figure.gen figcaption { font-size: 12px; color: var(--muted); margin-top: 6px; }
.starters { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0 66px; }
.starter {
  background: var(--bg-2); border: 1px solid var(--line); color: var(--muted);
  font-family: var(--mono); font-size: 13px; padding: 8px 10px; cursor: pointer; text-align: left;
}
.starter:hover { border-color: var(--accent-dim); color: var(--fg); }
#key-panel {
  position: fixed; right: 16px; bottom: 90px; z-index: 40;
  width: min(420px, calc(100vw - 32px));
  background: var(--bg-2); border: 1px solid var(--chrome-3);
  box-shadow: 0 0 0 2px var(--bg), 4px 4px 0 var(--line);
  padding: 12px 14px; display: flex; flex-direction: column; gap: 10px;
}
#key-panel .kp-text { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.5; }
#key-panel .kp-text a { color: var(--fg); }
#key-panel input { flex: 1; min-width: 0; background: var(--bg); border: 1px solid var(--line); color: var(--fg); font-family: var(--mono); font-size: 13px; padding: 7px 9px; outline: none; }
#key-panel input:focus { border-color: var(--accent-dim); }
#key-panel .kp-status { font-size: 12px; color: var(--accent); min-height: 1em; }
#send-btn:disabled { opacity: 0.5; cursor: wait; }
@media (max-width: 560px) {
  .step, figure.gen, .starters { margin-left: 0; }
  .chat-head { flex-wrap: wrap; gap: 8px; }
}
#hud a.agent { text-decoration: none; border-color: var(--accent-dim); color: var(--accent); }
#hud a.agent:hover { border-color: var(--accent); }
.bubble-agent { display: inline-block; margin-top: 6px; font-size: 11px; color: var(--muted); border: 0; }
.bubble-agent:hover { color: var(--accent); }
#key-panel[hidden] { display: none; }
#key-panel .kp-btns { display: flex; gap: 6px; }
#key-panel.min { width: auto; padding: 6px 10px; gap: 0; cursor: pointer; }
#key-panel.min .sp-head { margin-bottom: 0; gap: 12px; }
#key-panel.min #key-min, #key-panel.min .kp-text, #key-panel.min #key-form, #key-panel.min .kp-status, #key-panel.min .sp-row { display: none; }