@font-face {
  font-family: "Hubot Sans";
  src: url("fonts/HubotSans-Variable.ttf") format("truetype");
  font-weight: 200 900;
  font-stretch: 75% 125%;
  font-display: swap;
}

:root {
  --bg: #0a0a0a;
  --grid: rgba(255, 255, 255, .07);
  --panel: #141414;
  --surface: #1c1c1c;
  --hover: #242424;
  --text: #ffffff;
  --muted: #9a9a9a;
  --border: #2a2a2a;
  --accent: #FDB933;
  --accent-2: #E8781E;
  --danger: #ff6b6b;
  --shadow: 0 10px 40px -10px rgba(0, 0, 0, .7);
  --bar-h: 56px;
}
:root[data-theme="light"] {
  --bg: #FAF7F2;
  --grid: rgba(0, 0, 0, .09);
  --panel: #ffffff;
  --surface: #ffffff;
  --hover: #f1ece3;
  --text: #111111;
  --muted: #6b6b6b;
  --border: #e6e0d6;
  --accent: #E8781E;
  --danger: #d64545;
  --shadow: 0 10px 40px -12px rgba(60, 40, 10, .25);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 400 14px/1.4 "Hubot Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; cursor: pointer; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
kbd {
  font: 600 11px/1 "Hubot Sans", monospace;
  background: var(--hover); border: 1px solid var(--border); border-bottom-width: 2px;
  border-radius: 5px; padding: 2px 6px; color: var(--text);
}

/* ---------- top bar ---------- */
.bar {
  position: fixed; inset: 0 0 auto 0; height: var(--bar-h); z-index: 30;
  display: flex; align-items: center; gap: 8px; padding: 0 12px;
  background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; padding: 0 6px 0 2px; }
.brand img { width: 28px; height: 28px; object-fit: contain; }
.brand span { font-weight: 900; font-stretch: 75%; letter-spacing: .08em; font-size: 17px; }
.title {
  min-width: 0; width: 240px; max-width: 34vw; height: 36px; padding: 0 10px;
  background: transparent; border: 1px solid transparent; border-radius: 10px;
  color: var(--text); font: 600 15px "Hubot Sans", sans-serif; text-overflow: ellipsis;
}
.title:hover { border-color: var(--border); }
.title:focus { outline: none; border-color: var(--accent); background: var(--surface); }
.savestate { color: var(--muted); font-size: 12px; white-space: nowrap; }
.spacer { flex: 1; }
.grp { display: flex; align-items: center; gap: 2px; padding: 2px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); }
.ico {
  width: 36px; height: 36px; display: grid; place-items: center; flex: none;
  background: transparent; border: 0; border-radius: 9px; color: var(--text);
}
.ico:hover:not(:disabled) { background: var(--hover); }
.ico:disabled { opacity: .3; cursor: default; }
.zoomlabel { min-width: 52px; height: 32px; border: 0; background: transparent; border-radius: 8px; font-weight: 600; font-size: 13px; }
.zoomlabel:hover { background: var(--hover); }
.btn {
  height: 36px; display: inline-flex; align-items: center; gap: 8px; padding: 0 12px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; font-weight: 600;
}
.btn:hover { background: var(--hover); }
.btn .caret { width: 14px; height: 14px; }
.btn.primary { background: linear-gradient(135deg, var(--accent-2), var(--accent)); color: #0a0a0a; border-color: transparent; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.wide { width: 100%; justify-content: center; height: 42px; }

.menuwrap { position: relative; }
.menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 230px; z-index: 40; padding: 6px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow);
}
.menu[hidden] { display: none; }
.menu button {
  width: 100%; display: flex; align-items: center; gap: 8px; text-align: left; padding: 9px 10px;
  background: transparent; border: 0; border-radius: 8px;
}
.menu button:hover { background: var(--hover); }
.menu hr { border: 0; border-top: 1px solid var(--border); margin: 6px 0; }

/* ---------- drawer ---------- */
#drawer {
  position: fixed; top: var(--bar-h); bottom: 0; left: 0; width: 300px; z-index: 35; padding: 14px;
  display: flex; flex-direction: column; gap: 12px;
  background: var(--panel); border-right: 1px solid var(--border); box-shadow: var(--shadow);
  transform: translateX(-102%); transition: transform .22s ease;
}
body.drawer-open #drawer { transform: none; }
#scrim { position: fixed; inset: var(--bar-h) 0 0 0; z-index: 34; background: rgba(0, 0, 0, .45); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; }
.drawer-head strong { font-weight: 900; font-stretch: 75%; letter-spacing: .1em; font-size: 15px; }
#mapList { list-style: none; margin: 0; padding: 0; overflow: auto; flex: 1; display: flex; flex-direction: column; gap: 4px; }
#mapList li { display: flex; align-items: center; border-radius: 10px; border: 1px solid transparent; }
#mapList li:hover { background: var(--hover); }
#mapList li.active { background: var(--surface); border-color: var(--accent); }
#mapList .open { flex: 1; min-width: 0; text-align: left; padding: 9px 10px; background: transparent; border: 0; }
#mapList .open b { display: block; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#mapList .open small { color: var(--muted); font-size: 12px; }
#mapList .ico { width: 30px; height: 30px; color: var(--muted); }
#mapList .ico svg { width: 16px; height: 16px; }
#mapList .ico:hover { color: var(--text); }
#mapList .ico.del:hover { color: var(--danger); }
.drawer-note { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }

/* ---------- stage ---------- */
#stage {
  position: fixed; inset: var(--bar-h) 0 0 0; overflow: hidden; touch-action: none; cursor: grab;
  background-color: var(--bg);
  background-image: radial-gradient(circle, var(--grid) 1.4px, transparent 1.6px);
  background-size: 24px 24px;
}
#stage.panning { cursor: grabbing; }
#world { position: absolute; left: 0; top: 0; width: 0; height: 0; transform-origin: 0 0; will-change: transform; }
#world.anim { transition: transform .28s cubic-bezier(.2, .8, .2, 1); }
#links { position: absolute; left: 0; top: 0; overflow: visible; pointer-events: none; }
#links path { fill: none; stroke-linecap: round; }
#nodes { position: absolute; left: 0; top: 0; }
#hint {
  position: absolute; left: 50%; bottom: 96px; transform: translateX(-50%); padding: 10px 16px; border-radius: 12px;
  background: var(--panel); border: 1px solid var(--border); color: var(--muted); text-align: center; max-width: 90vw;
  pointer-events: none;
}

/* ---------- nodes ---------- */
.node {
  position: absolute; display: flex; align-items: center; user-select: none; cursor: default;
  color: var(--text);
}
.node .t { white-space: pre; outline: none; min-width: 1px; }
.node.lvl0 { background: linear-gradient(135deg, var(--accent-2), #FDB933); color: #0a0a0a; justify-content: center; box-shadow: 0 10px 34px -10px rgba(232, 120, 30, .6); }
.node.lvl1 { background: var(--c); color: var(--on); justify-content: center; }
.node.lvl2 { background: var(--surface); box-shadow: inset 0 0 0 2px var(--c); justify-content: flex-start; }
.node.lvl0 .t, .node.lvl1 .t { text-align: center; }
.node.sel { outline: 2px solid var(--accent); outline-offset: 4px; }
.node.editing { user-select: text; cursor: text; z-index: 5; }
.node.editing .t { white-space: pre-wrap; cursor: text; }
.node.dragging { opacity: .3; pointer-events: none; }
.node.drop-child { outline: 2px dashed var(--accent); outline-offset: 4px; }
.node.drop-before::before, .node.drop-after::before {
  content: ""; position: absolute; left: -2px; right: -2px; height: 4px; border-radius: 2px; background: var(--accent);
}
.node.drop-before::before { top: -9px; }
.node.drop-after::before { bottom: -9px; }
.ghost { position: fixed; left: 0; top: 0; z-index: 60; pointer-events: none; opacity: .88; transform-origin: 0 0; }

/* hover bridge so the side buttons stay reachable */
.node::after { content: ""; position: absolute; top: 0; bottom: 0; width: 44px; }
.node.r::after { left: 100%; }
.node.l::after { right: 100%; }
.node .tog, .node .add {
  position: absolute; top: 50%; width: 20px; height: 20px; margin-top: -10px; z-index: 2;
  display: none; place-items: center; padding: 0; border-radius: 50%;
  font-size: 11px; font-weight: 700; line-height: 1;
}
.node .tog { background: var(--panel); color: var(--text); border: 2px solid var(--c, var(--accent)); }
.node .add { background: var(--accent); color: #0a0a0a; border: 0; }
.node .add svg, .node .tog svg { width: 12px; height: 12px; stroke-width: 3; }
.node.r .tog, .node.r .add { left: calc(100% + 6px); }
.node.l .tog, .node.l .add { right: calc(100% + 6px); }
.node.has-kids.r .add { left: calc(100% + 32px); }
.node.has-kids.l .add { right: calc(100% + 32px); }
.node.has-kids:hover .tog, .node.has-kids.sel .tog, .node.folded .tog { display: grid; }
.node.lvl0.has-kids.r .add { left: calc(100% + 6px); }
.node.sel .add { display: grid; }
.node.folded .tog { background: var(--c); color: var(--on); }
.node.lvl0 .tog { display: none !important; }
.node.editing .tog, .node.editing .add { display: none !important; }

/* ---------- dock ---------- */
.dock {
  position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%); z-index: 20;
  display: flex; align-items: center; gap: 2px; padding: 6px; max-width: calc(100vw - 20px); overflow-x: auto;
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow);
}
.dbtn {
  height: 40px; display: inline-flex; align-items: center; gap: 6px; padding: 0 12px; flex: none;
  background: transparent; border: 0; border-radius: 10px; font-weight: 600; font-size: 13px;
}
.dbtn:hover:not(:disabled) { background: var(--hover); }
.dbtn.danger:hover:not(:disabled) { color: var(--danger); }
.dbtn:disabled { opacity: .3; cursor: default; }
.sep { width: 1px; height: 24px; background: var(--border); margin: 0 6px; flex: none; }
.swatches { display: flex; gap: 6px; padding: 0 4px; align-items: center; }
.sw {
  width: 22px; height: 22px; border-radius: 50%; padding: 0; background: var(--c); border: 2px solid transparent; flex: none;
}
.sw:hover:not(:disabled) { transform: scale(1.15); }
.sw.on { border-color: var(--text); box-shadow: 0 0 0 2px var(--panel) inset; }
.sw:disabled { opacity: .25; cursor: default; }

/* ---------- misc ---------- */
.modal { position: fixed; inset: 0; z-index: 70; display: grid; place-items: center; background: rgba(0, 0, 0, .55); padding: 16px; }
.modal[hidden] { display: none; }
.modal-card { width: min(560px, 100%); max-height: 88vh; overflow: auto; padding: 18px; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); }
.keys { display: grid; grid-template-columns: max-content 1fr; gap: 10px 18px; margin: 14px 0 0; align-items: center; }
.keys dt { color: var(--muted); }
.keys dd { margin: 0; }
#toast {
  position: fixed; left: 50%; top: calc(var(--bar-h) + 14px); transform: translate(-50%, -12px); z-index: 80;
  padding: 10px 16px; border-radius: 12px; background: var(--text); color: var(--bg); font-weight: 600;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 760px) {
  .hide-sm { display: none !important; }
  .title { width: auto; flex: 1; max-width: none; }
  .spacer { display: none; }
  .bar { gap: 4px; padding: 0 8px; }
  .dbtn span { display: none; }
  .dbtn { padding: 0 10px; }
  #drawer { width: min(320px, 88vw); }
}

/* ---------- conta e login ---------- */
.acct { display: flex; align-items: center; gap: 8px; padding-top: 12px; border-top: 1px solid var(--border); }
.acct-email { flex: 1; min-width: 0; color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acct .btn { height: 32px; padding: 0 12px; }

.auth { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px; background: var(--bg); overflow: auto; }
.auth[hidden] { display: none; }
.auth-card { width: min(380px, 100%); display: flex; flex-direction: column; gap: 14px; padding: 28px 24px; background: var(--panel); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); }
.auth-brand { display: flex; align-items: center; gap: 10px; justify-content: center; }
.auth-brand img { width: 40px; height: 40px; object-fit: contain; }
.auth-brand span { font-weight: 900; font-stretch: 75%; letter-spacing: .1em; font-size: 26px; }
.auth-sub { margin: 0 0 4px; text-align: center; color: var(--muted); }
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 13px; }
.auth-form input {
  height: 42px; padding: 0 12px; background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 10px; font: 400 15px "Hubot Sans", sans-serif;
}
.auth-form input:focus { outline: none; border-color: var(--accent); }
.link { background: none; border: 0; color: var(--muted); text-decoration: underline; padding: 4px; font-size: 13px; }
.link:hover { color: var(--text); }
#authMsg { margin: 0; min-height: 1.4em; text-align: center; color: var(--danger); font-size: 13px; line-height: 1.45; }
#authMsg.ok { color: #4cc790; }
.auth-load, .auth-fatal { display: none; margin: 0; text-align: center; color: var(--muted); }
.auth.loading .auth-form, .auth.fatal .auth-form { display: none; }
.auth.loading .auth-load { display: block; }
.auth.fatal .auth-fatal { display: flex; gap: 8px; justify-content: center; }
.auth.busy { cursor: progress; }
.auth.busy .auth-form { opacity: .6; pointer-events: none; }