/* ppz server GUI — minimal, modern, readable. No framework. */

:root {
  --bg: #fafaf9;
  --surface: #ffffff;
  --border: #e5e5e3;
  --text: #1c1c1a;
  --muted: #71716e;
  /* Sampled from the logo's pipe blue — a deeper royal that gives
     enough contrast against white button text. Used by buttons,
     active tab markers, and the primary CTA. */
  --accent: #1d4ed8;
  --accent-hover: #1e40af;
  /* Buttons stay this saturated cobalt in BOTH light and dark mode
     so they match the pipe in the logo. --accent itself shifts in
     dark mode (for link legibility on near-black bg) — buttons do
     not, because they always have white text on top. */
  --btn-bg: #1d4ed8;
  --btn-bg-hover: #1e40af;
  --code-bg: #f1f1ef;
  --row-hover: #f5f5f3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a18;
    --surface: #232321;
    --border: #353532;
    --text: #ececea;
    --muted: #92928e;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --code-bg: #2c2c2a;
    --row-hover: #2a2a28;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", "Helvetica Neue", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { color: var(--accent-hover); text-decoration: underline; }
a:visited { color: var(--accent); }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 1.75rem; margin: 0 0 0.25rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
h3 { font-size: 1rem; margin: 1.25rem 0 0.5rem; }

small, .meta { color: var(--muted); font-size: 0.85rem; }

code, pre {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.875em;
  background: var(--code-bg);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
}
pre {
  padding: 0.75rem 1rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.4;
}

/* Header / brand */
.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}
.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}
.brand h1 a { color: inherit; }
.brand .crumbs { color: var(--muted); font-size: 0.95rem; }

.back {
  display: inline-block;
  margin: 1.5rem 0 0;
  font-size: 0.9rem;
}

/* Lists & cards */
ul.tidy {
  list-style: none;
  padding: 0;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  overflow: hidden;
}
ul.tidy li {
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border);
}
ul.tidy li:last-child { border-bottom: 0; }
ul.tidy li:hover { background: var(--row-hover); }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
th, td {
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
tr:last-child td { border-bottom: 0; }
th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--bg);
  font-weight: 600;
}
tbody tr:hover { background: var(--row-hover); }

/* Forms */
form { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1rem; }
label { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.9rem; color: var(--muted); }
input[type="text"], input:not([type]) {
  font: inherit;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text);
  min-width: 200px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
button {
  font: inherit;
  padding: 0.4rem 0.85rem;
  background: var(--btn-bg);
  color: #fff;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
}
button:hover { background: var(--btn-bg-hover); }

/* Empty / muted */
.empty { color: var(--muted); font-style: italic; }

/* Revoked API keys: dim + strike-through, no Revoke button. The
   row stays in the list for audit. */
[data-key-state="revoked"] {
  text-decoration: line-through;
  opacity: 0.55;
}
[data-key-state="revoked"] .revoked { color: var(--muted); }

/* Org page tab nav (Pipes / Users / API keys). Each link is a
   plain horizontal item; the active tab gets a coloured underline
   so the user can tell where they are without depending on URL. */
nav.tabs {
  display: flex;
  gap: 1.25rem;
  border-bottom: 1px solid var(--border);
  margin: 1rem 0 1rem;
}
nav.tabs a {
  padding: 0.5rem 0;
  text-decoration: none;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px; /* sit on top of the bottom border */
}
nav.tabs a:hover { color: var(--text); }
nav.tabs a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* Keys list + Users subsections (owner + members): flex rows so
   the trailing action (Revoke form, Remove form, Transfer-ownership
   button) hugs the right edge instead of inlining after the row's
   text content. */
#keys li,
[data-users-subsection] li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
#keys form.inline,
[data-users-subsection] li > form.inline,
[data-users-subsection] li > button[data-todo] {
  margin: 0 0 0 auto;
}

/* ──────────────────────────────────────────────────────────────────
   Landing page (`/`). The operator dashboard is at /dashboard; this
   surface is purely marketing — logo + tagline + animated demos.
   The hero sits on a black background so the existing logo PNG
   blends in seamlessly without alpha-channel surgery.
   ────────────────────────────────────────────────────────────── */

body[data-page="landing"] {
  background: var(--bg);
  margin: 0;
}

.hero {
  background: #000;
  color: #fff;
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}
.hero-logo {
  display: block;
  margin: -3rem auto -3rem;
  max-width: min(480px, 70vw);
  height: auto;
  /* The source PNG has ~20% black padding baked in above + below
     the artwork. clip-path crops it visually; the matching negative
     margins above pull adjacent content into the void left behind
     so the tagline hugs the logo instead of floating in dead space.
     Swap when we have a properly cropped PNG. */
  clip-path: inset(20% 0);
}
.hero-tag {
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin: 0 0 0.8rem;
}
.hero-sub {
  color: #b9b9b3;
  max-width: 640px;
  margin: 0 auto 1.6rem;
  font-size: 1rem;
  line-height: 1.5;
}
.hero-examples {
  margin: 0 auto 1.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.hero-examples code {
  background: rgba(255,255,255,0.06);
  color: #d6deeb;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.85em;
}
.hero-cta {
  margin: 0;
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary,
.btn-primary:visited {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  background: var(--btn-bg);
  /* :visited would otherwise paint the text the browser's default
     visited-link colour and clash with the button background. Lock
     it to white in both states. */
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 6px;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--btn-bg-hover); }
/* Secondary button: subtle outline against the black hero, sits
   beside the primary CTA. Used for "GitHub →" today. */
.btn-secondary,
.btn-secondary:visited {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  background: transparent;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid #555;
  border-radius: 6px;
  transition: background 0.15s, border-color 0.15s;
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #888;
}
/* One-line install snippet under the CTA row. Visually a code box
   the user can triple-click and copy. NB: the URL here points to a
   curl installer that doesn't exist yet (task #86) — the visual is
   in place ahead of the script landing. */
.hero-install {
  position: relative;
  display: inline-block;
  margin: 1.4rem auto 0;
  padding: 0.6rem 2.4rem 0.6rem 1rem;
  background: #1a1a18;
  border: 1px solid #353532;
  border-radius: 6px;
  color: #ececea;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  white-space: pre;
  overflow-x: auto;
  max-width: 90vw;
}
.hero-install code { font: inherit; color: inherit; }
/* Copy-to-clipboard button. The generic `button` rule above paints
   it cobalt with white text — we override here to a subtle ghost
   button that sits in the top-right of the install snippet. The
   .copied class swaps clipboard icon for a checkmark for 1.5s after
   a successful copy (added by the inline script in landing.html). */
.hero-install .copy-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  padding: 4px 6px;
  background: transparent;
  color: #92928e;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}
.hero-install .copy-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ececea;
}
.hero-install .copy-btn .check-icon { display: none; }
.hero-install .copy-btn.copied { color: #5fb87a; }
.hero-install .copy-btn.copied .copy-icon { display: none; }
.hero-install .copy-btn.copied .check-icon { display: inline; }

.demos {
  max-width: 1100px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}
.demos h2 {
  text-align: center;
  margin: 0 0 0.4rem;
  font-weight: 500;
}
.demos-blurb {
  text-align: center;
  color: var(--muted);
  margin: 0 0 2.5rem;
}
.demo-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin: 0 0 7rem;
  /* Whichever demo is currently in the viewport's centre band gets
     `.in-focus` (set by typewriter.js IntersectionObserver). Demos
     above and below fade toward the page background so they don't
     compete with the one the reader is actually looking at. */
  opacity: 0.18;
  filter: blur(1px);
  transition: opacity 0.5s ease, filter 0.5s ease;
}
.demo-pair.in-focus {
  opacity: 1;
  filter: none;
}
/* Two-sender / one-receiver "monitor" layout: top row splits into
   columns for the parallel sender terminals; the receiver below
   spans full-width. Collapses to single-column on narrow screens. */
.demo-pair .senders {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}
@media (max-width: 720px) {
  .demo-pair .senders { grid-template-columns: 1fr; }
}
.demo-pair h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.6rem;
  text-align: center;
  letter-spacing: -0.01em;
}
.demo-blurb {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}
.demo-blurb code {
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
  padding: 0.05rem 0.4rem;
  border-radius: 4px;
}
/* Highlighted Unix `|` in the "you can also | to pipes" heading.
   Sits inline with the heading text but coloured cobalt to make
   the joke land. */
.demo-pair h3 .hl-pipe {
  background: rgba(37, 99, 235, 0.12);
  color: var(--btn-bg);
  padding: 0 0.45rem;
  border-radius: 4px;
  font: inherit;
  font-weight: 700;
}
/* Tinted left edge on PTY-shared agent panes so they read as
   "this is what claude/copilot looks like, captured live" rather
   than as a generic terminal. */
.pty-claude  { border-left: 3px solid #b87a99; }
.pty-copilot { border-left: 3px solid #a78bfa; }
/* Browser-frame wrapper for the "remote monitor" demo. Its inner
   .pane mirrors the sender pane on the left; the chrome around it
   makes the second view obviously a browser viewport rather than
   another terminal. */
.browser-frame {
  border: 1px solid #3a3a37;
  border-radius: 8px;
  overflow: hidden;
  background: #1a1a18;
  display: flex;
  flex-direction: column;
}
.browser-frame .pane {
  border-radius: 0;
  border-left: 0;
  flex: 1;
}
.browser-chrome {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.6rem;
  background: #2a2a28;
  border-bottom: 1px solid #3a3a37;
}
.browser-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.browser-dot.dot-r { background: #ff5f56; }
.browser-dot.dot-y { background: #ffbd2e; }
.browser-dot.dot-g { background: #27c93f; }
.browser-url {
  flex: 1;
  text-align: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: #8a8a85;
  background: #1a1a18;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  border: 1px solid #353532;
  margin: 0 0.4rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pane .cmd {
  /* User-input rows (prompt + typed command) — bright blue so they
     stand out against the muted output text. */
  color: #60a5fa;
  font-weight: 500;
}
.pane {
  background: #0d1117;
  color: #d6deeb;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 0;
  min-height: 9rem;
  white-space: pre;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid #1f2933;
}

/* Pipe segment between sender + receiver. Renders a faint vertical
   tube anchored to the centre of each terminal pair, with a tiny
   "ppz" label badged in the middle. The packet is a small accent-
   coloured dot that animates from top → bottom whenever the pair
   gains the `.fire` class (typewriter.js sets+clears it between
   sender finishing and receiver starting). */
.pipe {
  position: relative;
  height: 3.5rem;
  margin: -0.25rem auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pipe::before {
  /* The tube itself: a vertical line behind the label. */
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--accent) 20%,
    var(--accent) 80%,
    transparent 100%
  );
  opacity: 0.35;
}
.pipe-label {
  position: relative;
  z-index: 2;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--bg);
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  letter-spacing: 0.05em;
}
.packet {
  position: absolute;
  left: 50%;
  top: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
  opacity: 0;
  pointer-events: none;
  z-index: 1;
}
.demo-pair.fire .packet {
  /* Travel from above the pipe to below it, fading in on entry and
     out on exit so the ends look natural. */
  animation: packet-fly 1100ms cubic-bezier(0.4, 0, 0.6, 1);
}
@keyframes packet-fly {
  0%   { top: -10%; opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { top: 110%; opacity: 0; }
}
.demo-pair.fire .pipe::before {
  opacity: 0.7;
  transition: opacity 0.2s;
}

.hero-footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  color: var(--muted);
}
.hero-footer a { color: var(--accent); text-decoration: none; }
.hero-footer a:hover { text-decoration: underline; }