/* ─── tokens ──────────────────────────────────────────────────────── */
:root {
  --bg: #07090a;
  --bg-elev: #0c1011;
  --line: rgba(255,255,255,0.06);
  --line-strong: rgba(255,255,255,0.12);
  --ink: #d8e4dc;
  --ink-dim: #6b7670;
  --ink-faint: #3a4541;
  --accent: #5dffaf;
  --accent-glow: rgba(93,255,175,0.35);
  --warn: #ffd166;
  --err: #ff6b7a;
  --info: #8ad8ff;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --serif: 'Fraunces', Georgia, serif;
  --radius: 4px;
}
[data-theme="amber"] { --ink: #ffd9a8; --ink-dim: #8a6f4f; --accent: #ffb547; --accent-glow: rgba(255,181,71,0.35); }
[data-theme="ice"]   { --ink: #d6ecff; --ink-dim: #6e8294; --accent: #74c8ff; --accent-glow: rgba(116,200,255,0.35); }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--mono);
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(93,255,175,0.05), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(93,255,175,0.04), transparent 60%);
}

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  opacity: 0.04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
.vignette {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.55) 100%);
}

/* ─── login overlay ───────────────────────────────────────────────── */
.lock {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: rgba(7,9,10,0.96);
  backdrop-filter: blur(12px);
  transition: opacity .4s ease;
}
.lock.hide { opacity: 0; pointer-events: none; }
.lock-card {
  background: var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 38px 42px;
  width: 380px;
  text-align: center;
  box-shadow: 0 0 80px -20px var(--accent-glow), 0 30px 60px -20px rgba(0,0,0,0.7);
  animation: lockin .6s cubic-bezier(.2,.9,.3,1.1);
}
@keyframes lockin {
  from { opacity: 0; transform: translateY(8px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.lock-mark {
  width: 14px; height: 14px;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
  margin: 0 auto 18px;
  animation: pulse 2.4s ease-in-out infinite;
}
.lock-card h1 {
  font-family: var(--serif); font-style: italic; font-weight: 600;
  font-size: 28px; letter-spacing: -0.01em; margin: 0 0 6px;
  color: var(--ink);
}
.lock-sub {
  color: var(--ink-dim); font-size: 12px;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin: 0 0 24px;
}
.lock-card form { display: flex; flex-direction: column; gap: 10px; }
.lock-card input {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-family: var(--mono); font-size: 14px;
  padding: 12px 14px; border-radius: var(--radius); outline: none;
  text-align: center; letter-spacing: 0.15em;
}
.lock-card input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(93,255,175,0.12);
}
.lock-card button {
  background: var(--accent); color: #07090a;
  border: none; padding: 11px 14px; border-radius: var(--radius);
  font-family: var(--mono); font-weight: 600; font-size: 12px;
  letter-spacing: 0.16em; text-transform: uppercase;
  cursor: pointer; transition: all .15s;
  box-shadow: 0 0 20px -4px var(--accent-glow);
}
.lock-card button:hover { transform: translateY(-1px); box-shadow: 0 4px 24px -4px var(--accent-glow); }
.lock-card button:active { transform: translateY(0); }
.lock-card button:disabled { opacity: .5; cursor: wait; }
.lock-err {
  color: var(--err); font-size: 12px; min-height: 18px;
  margin: 12px 0 0;
}
.lock-foot {
  font-size: 10px; color: var(--ink-faint);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin: 22px 0 0;
}
.lock-foot code { color: var(--ink-dim); }

/* ─── topbar ──────────────────────────────────────────────────────── */
.topbar {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-mark {
  width: 10px; height: 10px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  border-radius: 1px; align-self: center;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.45} }
.brand-name {
  font-family: var(--serif); font-style: italic; font-weight: 600;
  font-size: 22px; letter-spacing: -0.01em;
}
.brand-version {
  font-size: 11px; color: var(--ink-dim);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.meta { display: flex; align-items: center; gap: 12px; }
.status {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-dim);
}
.status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink-faint);
  transition: background .2s, box-shadow .2s;
}
.status.ok  .status-dot { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }
.status.err .status-dot { background: var(--err); box-shadow: 0 0 8px rgba(255,107,122,0.4); }
.ghost-btn {
  background: transparent; color: var(--ink-dim);
  border: 1px solid var(--line-strong);
  padding: 6px 12px; font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  cursor: pointer; border-radius: var(--radius);
  transition: all .15s;
}
.ghost-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ─── stage ───────────────────────────────────────────────────────── */
.stage {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 220px minmax(0,1fr) 220px;
  gap: 28px; padding: 32px 28px;
  max-width: 1400px; margin: 0 auto;
}
@media (max-width: 1100px) {
  .stage { grid-template-columns: 1fr; }
  .sidekick.left, .sidekick.right { order: 2; }
  .terminal { order: 1; }
}

.sidekick { font-size: 12px; }
.sidekick h2 {
  font-family: var(--serif); font-style: italic; font-weight: 600;
  font-size: 16px; margin: 0 0 14px;
}
.sidekick .hint {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-faint); margin: 16px 0 6px;
}
.reflist { list-style: none; padding: 0; margin: 0; }
.reflist li {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 6px 0; border-bottom: 1px dashed var(--line);
}
.reflist code { color: var(--accent); font-size: 12px; }
.reflist em { font-style: normal; color: var(--ink-dim); font-size: 11px; }

.ex-btn {
  display: block; width: 100%; text-align: left;
  background: transparent; border: 1px solid var(--line);
  color: var(--ink); font-family: var(--mono); font-size: 12px;
  padding: 8px 10px; margin-bottom: 6px;
  cursor: pointer; border-radius: var(--radius); transition: all .15s;
}
.ex-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateX(2px); }
.dim { color: var(--ink-dim); }

/* ─── terminal ────────────────────────────────────────────────────── */
.terminal { position: relative; }
.bezel {
  position: relative;
  background: var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 22px 24px 18px;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.02),
    inset 0 1px 0 rgba(255,255,255,0.04),
    0 30px 60px -20px rgba(0,0,0,0.6),
    0 0 80px -20px var(--accent-glow);
  min-height: 540px;
  display: flex; flex-direction: column;
}
.bezel::before {
  content: ""; position: absolute; inset: 0;
  pointer-events: none; border-radius: 8px;
  background: repeating-linear-gradient(to bottom,
    transparent 0, transparent 2px,
    rgba(0,0,0,0.18) 2px, rgba(0,0,0,0.18) 3px);
  opacity: 0.5;
}
.screen {
  flex: 1; overflow-y: auto;
  font-size: 13px; line-height: 1.7;
  padding-right: 4px;
  text-shadow: 0 0 8px var(--accent-glow);
  position: relative; z-index: 1;
}
.screen::-webkit-scrollbar { width: 6px; }
.screen::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }
.line { white-space: pre-wrap; word-break: break-word; margin: 0; }
.line.echo { color: var(--ink-dim); }
.line.echo .prompt { color: var(--accent); }
.line .k { color: var(--accent); }
.line .w { color: var(--warn); }
.line .e { color: var(--err); }
.line .i { color: var(--info); }
.line .m { color: var(--ink-dim); }

.line.card {
  background: rgba(93,255,175,0.04);
  border-left: 2px solid var(--accent);
  padding: 8px 12px; margin: 6px 0;
  text-shadow: none;
}

.boot p { margin: 0; }
.boot p.dim { color: var(--ink-dim); }
.boot code { color: var(--accent); }

.prompt-row {
  display: flex; align-items: center; gap: 8px;
  padding-top: 10px; margin-top: 10px;
  border-top: 1px dashed var(--line-strong);
  position: relative; z-index: 2;
}
.prompt {
  color: var(--accent); font-weight: 500;
  text-shadow: 0 0 8px var(--accent-glow); user-select: none;
}
.prompt-input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--ink); font-family: var(--mono); font-size: 13px;
  caret-color: var(--accent);
  text-shadow: 0 0 8px var(--accent-glow);
}
.caret {
  width: 8px; height: 14px;
  background: var(--accent); box-shadow: 0 0 10px var(--accent-glow);
  animation: blink 1.1s steps(2) infinite;
  pointer-events: none; margin-left: -4px;
}
@keyframes blink { 0%, 50% { opacity: 1 } 50.01%, 100% { opacity: 0 } }

.kv { display: grid; grid-template-columns: 90px 1fr; gap: 4px 16px; margin: 4px 0; }
.kv dt { color: var(--ink-dim); font-size: 12px; }
.kv dd { margin: 0; }

.row-listing { display: flex; flex-wrap: wrap; gap: 0 24px; }
.row-listing span.dir { color: var(--accent); }
.row-listing span.dir::after { content: "/"; }

/* code block (cat with highlighting) */
.code-card {
  background: #0a0d0e;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  margin: 6px 0;
  text-shadow: none;
}
.code-card .code-head {
  display: flex; justify-content: space-between;
  padding: 6px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 11px; color: var(--ink-dim);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.code-card pre {
  margin: 0; padding: 10px 14px;
  overflow-x: auto; font-size: 12px; line-height: 1.6;
}
.code-card code.hljs { background: transparent !important; padding: 0 !important; }

/* footer */
.legalish {
  position: relative; z-index: 2;
  display: flex; padding: 14px 28px;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
}
.spacer { flex: 1; }
#cwd-foot { color: var(--ink-dim); }