/* NEXUS CHAT PWA — same synthwave palette as the command deck */

:root {
  --bg: #0d0925;
  --surface: #171233;
  --surface-2: #211a48;
  --ink: #eef6ff;
  --ink-2: #b6c4e8;
  --muted: #7d87b6;
  --gridline: #2d2456;
  --neon-cyan: #53f1ff;
  --neon-magenta: #ff5ad1;
  --c0: #53f1ff;
  --c1: #d97706;
  --c2: #ec4899;
  --c3: #0ca30c;
  --c4: #8b5cf6;
  --c5: #fab219;
  --critical: #d03b3b;
  --good: #0ca30c;
  --warn: #fab219;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-monospace, 'Cascadia Mono', 'Roboto Mono', Menlo, monospace;
  font-size: 15px;
  overscroll-behavior: none;
}

section { height: 100dvh; display: flex; flex-direction: column; }
section[hidden] { display: none; }

button {
  font-family: inherit;
  background: var(--surface-2);
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  letter-spacing: 1px;
  padding: 10px 18px;
  font-size: 14px;
  cursor: pointer;
}
button.alt {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.5px;
  padding: 6px;
}

input {
  font-family: inherit;
  background: var(--surface-2);
  border: 1px solid var(--gridline);
  color: var(--ink);
  font-size: 16px; /* ≥16px stops iOS zoom-on-focus */
  padding: 8px 10px;
  border-radius: 0;
}
input:focus { outline: none; border-color: var(--neon-cyan); }

/* ---------- join / link screens ---------- */

.join-box {
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  padding: 24px;
  max-width: 340px;
}
.logo { font-size: 42px; color: var(--neon-cyan); text-shadow: 0 0 18px var(--neon-cyan); }
h1 { font-size: 18px; letter-spacing: 4px; color: var(--neon-cyan); font-weight: 600; }
.sub { color: var(--muted); font-size: 12px; line-height: 1.6; }
.join-box form { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.join-box label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--ink-2);
  text-align: left;
}
.err { color: var(--critical); font-size: 12px; min-height: 16px; }
.ios-hint { color: var(--warn); font-size: 11px; line-height: 1.5; }
.pair-code {
  font-size: 34px;
  letter-spacing: 10px;
  color: var(--neon-cyan);
  text-shadow: 0 0 16px var(--neon-cyan);
  padding: 8px 0 8px 10px; /* offset the trailing letter-spacing */
}

/* ---------- chat screen ---------- */

#screen-chat header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  padding-top: calc(10px + env(safe-area-inset-top));
  background: var(--surface);
  border-bottom: 1px solid var(--gridline);
}
.title { color: var(--neon-cyan); letter-spacing: 2px; font-size: 14px; }
.status { font-size: 10px; letter-spacing: 1px; color: var(--muted); }
.status.active { color: var(--good); }
.status.offline { color: var(--critical); }
.spacer { flex: 1; }

.roster {
  padding: 4px 12px;
  font-size: 11px;
  color: var(--muted);
  background: var(--surface);
  border-bottom: 1px solid var(--gridline);
  white-space: nowrap;
  overflow-x: auto;
}
.roster:empty { display: none; }

#feed {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bubble {
  max-width: 82%;
  padding: 7px 10px;
  font-size: 14px;
  line-height: 1.45;
  overflow-wrap: anywhere;
  align-self: flex-start;
  background: var(--surface-2);
  border-left: 3px solid var(--mc, var(--muted));
}
.bubble .meta { display: block; font-size: 10px; margin-bottom: 2px; }
.bubble .meta .nick { color: var(--mc, var(--ink-2)); font-weight: 700; }
.bubble .meta .t { color: var(--muted); margin-left: 6px; }
.bubble.mine {
  align-self: flex-end;
  --mc: var(--neon-magenta);
  border-left: none;
  border-right: 3px solid var(--neon-magenta);
  background: #33153a;
}
.bubble.c0 { --mc: var(--c0); } .bubble.c1 { --mc: var(--c1); }
.bubble.c2 { --mc: var(--c2); } .bubble.c3 { --mc: var(--c3); }
.bubble.c4 { --mc: var(--c4); } .bubble.c5 { --mc: var(--c5); }

.sysline { align-self: center; color: var(--muted); font-size: 11px; font-style: italic; }

.nick.c0 { color: var(--c0); } .nick.c1 { color: var(--c1); }
.nick.c2 { color: var(--c2); } .nick.c3 { color: var(--c3); }
.nick.c4 { color: var(--c4); } .nick.c5 { color: var(--c5); }
.nick.me { color: var(--neon-magenta); }

#composer {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
  background: var(--surface);
  border-top: 1px solid var(--gridline);
}
#composer input { flex: 1; min-width: 0; }
#composer button { padding: 8px 14px; }