/* chat.masky.ai — SIGNAL design system (masky.ai).
   Near-black panels, terminal lime accent, Space Grotesk display +
   IBM Plex Mono details, notched "CNC-plate" panels via clip-path. */

:root {
  --sig-bg: #0a0c0e;
  --sig-panel: #101316;
  --sig-panel-2: #0d1013;
  --sig-line: rgba(255, 255, 255, 0.07);
  --sig-ink: #e8ecef;
  --sig-dim: #8b949c;
  --sig-accent: #a3e635;
  --sig-accent-ink: #0c1200;
  --sig-red: #f87171;
  --sig-amber: #fbbf24;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--sig-bg);
  color: var(--sig-ink);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
  /* tiled grid */
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  min-height: 100vh;
}

.mono { font-family: 'IBM Plex Mono', monospace; }

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

.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

/* ---------- Header ---------- */

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem clamp(1rem, 4vw, 2rem);
  max-width: 1240px;
  margin: 0 auto;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--sig-ink);
}
.brand:hover { text-decoration: none; }
.brand-logo img {
  display: block;
  width: 34px; height: 34px;
  border-radius: 8px;
  object-fit: cover;
}
.brand-logo:hover img { outline: 1px solid var(--sig-accent); }

nav.site {
  display: flex;
  gap: 1.4rem;
  align-items: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
}
nav.site a { color: var(--sig-dim); }
nav.site a:hover { color: var(--sig-accent); text-decoration: none; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.75rem 1.3rem;
  border: 1px solid var(--sig-accent);
  color: var(--sig-accent);
  background: transparent;
  cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn:hover { background: rgba(163, 230, 53, 0.12); text-decoration: none; }
.btn.solid { background: var(--sig-accent); color: var(--sig-accent-ink); }
.btn.solid:hover { background: #b8f44e; }
.btn.small { font-size: 0.78rem; padding: 0.5rem 0.9rem; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }

/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  padding: clamp(1.5rem, 4vh, 3rem) 0 clamp(1rem, 3vh, 2rem);
}
/* grid/flex min-width:auto traps: inputs' intrinsic size must never widen the page */
.hero > * { min-width: 0; }
#chat-input { min-width: 0; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sig-accent);
  margin-bottom: 1.1rem;
}
.kicker::before { content: ''; width: 22px; height: 1px; background: var(--sig-accent); }

h1.sig {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4.6vw, 3.3rem);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0;
}
h1.sig em { font-style: normal; color: var(--sig-accent); }

.sub {
  margin: 1.2rem 0 1.6rem;
  color: var(--sig-dim);
  font-size: clamp(0.98rem, 2vw, 1.08rem);
  max-width: 32rem;
}

.hero-ctas { display: flex; gap: 0.9rem; flex-wrap: wrap; align-items: center; }
.dl-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--sig-dim);
  margin-top: 0.6rem;
}

/* ---------- Panels ---------- */

.panel {
  background: var(--sig-panel);
  border: 1px solid var(--sig-line);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

/* ---------- Chat demo ---------- */

#chat.panel { display: flex; flex-direction: column; min-height: 540px; max-height: 72vh; }

.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--sig-line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--sig-dim);
}
.chat-head .live {
  display: inline-flex; align-items: center; gap: 0.45rem;
  color: var(--sig-accent); letter-spacing: 0.1em; text-transform: uppercase;
}
.chat-head .live i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--sig-accent);
  animation: pulse 1.6s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: 0.3 } }

/* sliders row — the HUD's dual thresholds, demo-sized */
.chat-sliders {
  display: flex;
  gap: 1rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--sig-line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--sig-dim);
  flex-wrap: wrap;
}
.chat-sliders .sl { display: flex; align-items: center; gap: 0.5rem; flex: 1; min-width: 200px; }
.chat-sliders input[type="range"] {
  flex: 1;
  accent-color: var(--sig-accent);
  height: 3px;
}
.chat-sliders .val { color: var(--sig-accent); min-width: 2.2em; text-align: right; }

/* CyberSeth pitch clips: a slim dock between sliders and feed */
#pitch-dock {
  position: relative;
  border-bottom: 1px solid var(--sig-line);
  background: #000;
}
#pitch-dock video {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: contain;
  background: #000;
}
#pitch-dock button {
  position: absolute;
  right: 8px;
  bottom: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  background: rgba(10, 12, 14, 0.75);
  color: var(--sig-ink);
  border: 1px solid var(--sig-line);
  padding: 0.25rem 0.55rem;
  cursor: pointer;
}
#pitch-dock button:hover { border-color: var(--sig-accent); color: var(--sig-accent); }

#chat-feed {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  scrollbar-width: thin;
  scrollbar-color: #2a3138 transparent;
}

.msg { display: flex; flex-direction: column; gap: 0.15rem; }
.msg .line { display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; }
.msg .who {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sig-accent);
  white-space: nowrap;
}
.msg.masky .who { color: #6ee7f9; }
.msg .text { font-size: 0.92rem; overflow-wrap: anywhere; }
.msg .chips { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.chip {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--sig-line);
  color: var(--sig-dim);
  border-radius: 3px;
  white-space: nowrap;
}
.chip.kind { color: var(--sig-ink); }
.chip.technique { border-color: rgba(248, 113, 113, 0.5); color: var(--sig-red); }
.chip.score.low { color: var(--sig-red); }
.chip.pending { opacity: 0.5; }

.msg.judged-out { opacity: 0.28; }
.msg.judged-out .text { text-decoration: line-through solid rgba(248,113,113,0.4) 1px; }

/* composer */
.chat-compose {
  border-top: 1px solid var(--sig-line);
  padding: 0.7rem 1rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.compose-row { display: flex; gap: 0.6rem; }
#chat-name {
  width: 7.5rem;
  background: var(--sig-panel-2);
  border: 1px solid var(--sig-line);
  color: var(--sig-accent);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  padding: 0.55rem 0.6rem;
}
#chat-input {
  flex: 1;
  background: var(--sig-panel-2);
  border: 1px solid var(--sig-line);
  color: var(--sig-ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.92rem;
  padding: 0.55rem 0.7rem;
}
#chat-input:focus, #chat-name:focus { outline: 1px solid var(--sig-accent); border-color: var(--sig-accent); }

#chat-verdict {
  min-height: 1.3rem;
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  color: var(--sig-dim);
}
#chat-verdict .note.blocked { color: var(--sig-red); }
#chat-verdict .note.ok { color: var(--sig-accent); }

.engine-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  color: var(--sig-dim);
}
.engine-tag b { color: var(--sig-accent); font-weight: 500; }

/* blocked popup */
#blocked-pop {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 8, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
#blocked-pop.hidden { display: none; }
#blocked-pop .card {
  background: var(--sig-panel);
  border: 1px solid rgba(248, 113, 113, 0.5);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  max-width: 26rem;
  padding: 1.4rem 1.5rem;
  margin: 1rem;
}
#blocked-pop h3 {
  margin: 0 0 0.6rem;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--sig-red);
}
#blocked-pop p { margin: 0 0 1rem; color: var(--sig-dim); font-size: 0.92rem; }
#blocked-pop .why {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--sig-ink);
  background: var(--sig-panel-2);
  border: 1px solid var(--sig-line);
  padding: 0.6rem 0.75rem;
  margin-bottom: 1rem;
}

/* ---------- Sections ---------- */

section.block { padding: clamp(2rem, 5vh, 3.5rem) 0; }

h2.sig {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: 0 0 0.4rem;
}
.section-sub { color: var(--sig-dim); margin: 0 0 1.8rem; max-width: 40rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.card {
  background: var(--sig-panel);
  border: 1px solid var(--sig-line);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  padding: 1.3rem 1.3rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.card .tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--sig-accent);
}
.card h3 { margin: 0; font-family: 'Space Grotesk', sans-serif; font-size: 1.12rem; }
.card p { margin: 0; color: var(--sig-dim); font-size: 0.92rem; }

/* ---------- Trophies ---------- */

#trophy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
}
#trophy-tags button {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  padding: 0.35rem 0.7rem;
  background: var(--sig-panel);
  border: 1px solid var(--sig-line);
  color: var(--sig-dim);
  cursor: pointer;
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
}
#trophy-tags button:hover { color: var(--sig-ink); border-color: rgba(163, 230, 53, 0.4); }
#trophy-tags button.active {
  color: var(--sig-accent-ink);
  background: var(--sig-accent);
  border-color: var(--sig-accent);
  font-weight: 600;
}

#trophy-stage {
  display: grid;
  grid-template-columns: minmax(240px, 380px) 1fr;
  align-items: stretch;
}
#trophy-art {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  display: block;
  border-right: 1px solid var(--sig-line);
}
#trophy-board { padding: 1.3rem 1.5rem 1.5rem; }
#trophy-board h3 {
  margin: 0 0 0.25rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
}
#trophy-board p { margin: 0 0 1rem; color: var(--sig-dim); font-size: 0.9rem; }
.trophy-row {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--sig-line);
  font-size: 0.95rem;
}
.trophy-row:last-child { border-bottom: none; }
.trophy-row .rank { font-family: 'IBM Plex Mono', monospace; min-width: 1.8em; color: var(--sig-dim); }
.trophy-row .name { font-family: 'IBM Plex Mono', monospace; font-weight: 600; color: var(--sig-ink); }
.trophy-row .count { margin-left: auto; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--sig-dim); }
.trophy-row.gold .name { color: #fbbf24; }
.trophy-row.silver .name { color: #cbd5e1; }
.trophy-row.bronze .name { color: #d8a47f; }

@media (max-width: 760px) {
  #trophy-stage { grid-template-columns: 1fr; }
  #trophy-art { max-height: 220px; min-height: 0; border-right: none; border-bottom: 1px solid var(--sig-line); }
}

/* ---------- Releases page ---------- */

.release {
  margin-bottom: 1rem;
  padding: 1.3rem 1.4rem;
}
.release .head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.release h3 { margin: 0; font-family: 'Space Grotesk', sans-serif; }
.release .date { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; color: var(--sig-dim); }
.release .latest-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  color: var(--sig-accent-ink);
  background: var(--sig-accent);
  padding: 0.1rem 0.45rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.release ul { margin: 0.4rem 0 0.9rem; padding-left: 1.2rem; color: var(--sig-dim); font-size: 0.92rem; }
.release .dls { display: flex; gap: 0.7rem; flex-wrap: wrap; }

/* ---------- Footer ---------- */

footer.site {
  border-top: 1px solid var(--sig-line);
  margin-top: 2rem;
  padding: 1.6rem clamp(1rem, 4vw, 2rem) 2.2rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  color: var(--sig-dim);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  #chat.panel { min-height: 460px; }
}

/* Mobile design pass: everything below the room reads centered. */
@media (max-width: 760px) {
  header.site { flex-direction: column; gap: 0.8rem; }
  nav.site { flex-wrap: wrap; justify-content: center; }

  section.block { text-align: center; }
  h2.sig { text-align: center; }
  .section-sub { margin-left: auto; margin-right: auto; }

  .card { align-items: center; text-align: center; }

  #trophy-tags { justify-content: center; }
  #trophy-board h3, #trophy-board p { text-align: center; }
  /* board rows keep their rank/name/count rails — centered rows misread */

  footer.site {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
  }

  /* changelogs stay left-aligned — centered lists misread */
  .release { text-align: left; }
}

@media (max-width: 480px) {
  #chat-name { width: 5.5rem; }
}

.hidden { display: none !important; }