:root {
  --bg: #1a1b26;
  --bar: #16161e;
  --tab: #20212e;
  --tab-active: #2a2b3d;
  --fg: #c0caf5;
  --muted: #565f89;
  --accent: #7aa2f7;
  --danger: #f7768e;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 13px/1.4 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  display: flex;
  flex-direction: column;
}

#bar {
  display: flex;
  align-items: stretch;
  background: var(--bar);
  border-bottom: 1px solid #000;
  height: 38px;
  flex: 0 0 auto;
  padding-right: 8px;
}
.brand { align-self: center; padding: 0 14px 0 12px; font-weight: 700; color: var(--fg); white-space: nowrap; letter-spacing: .2px; }
.brand span { color: var(--muted); font-weight: 400; }
#tabs { display: flex; align-items: stretch; overflow-x: auto; }
.tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  background: var(--tab);
  border-right: 1px solid #000;
  cursor: pointer;
  white-space: nowrap;
  color: var(--muted);
  max-width: 220px;
}
.tab.active { background: var(--tab-active); color: var(--fg); border-bottom: 2px solid var(--accent); }
.tab .dot { width: 7px; height: 7px; border-radius: 50%; background: #2ac3de; flex: 0 0 auto; }
.tab.dead .dot { background: var(--danger); }
.tab .name { overflow: hidden; text-overflow: ellipsis; }
.tab .close { color: var(--muted); border: 0; background: none; cursor: pointer; font-size: 14px; padding: 0 2px; }
.tab .close:hover { color: var(--danger); }

button { color: var(--fg); }
#add, #logout {
  background: none; border: 0; color: var(--muted); font-size: 18px;
  cursor: pointer; padding: 0 12px;
}
#add:hover, #logout:hover { color: var(--accent); }
.spacer { flex: 1; }
.status { align-self: center; color: var(--muted); font-size: 12px; padding: 0 8px; }
.status.err { color: var(--danger); }

#stage { flex: 1; position: relative; overflow: hidden; }
.term-pane {
  position: absolute; inset: 0; padding: 4px 6px;
  display: none;
}
.term-pane.active { display: block; }
.term-pane .xterm { height: 100%; }

#empty {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--muted); flex-direction: column; gap: 10px;
}
#empty button { background: var(--accent); color: #16161e; border: 0; padding: 8px 16px; border-radius: 6px; cursor: pointer; font-weight: 600; }

dialog {
  background: var(--tab-active); color: var(--fg); border: 1px solid #000; border-radius: 10px;
  padding: 20px; min-width: 340px;
}
dialog::backdrop { background: rgba(0,0,0,.5); }
dialog h3 { margin: 0 0 14px; }
dialog label { display: block; margin: 10px 0; font-size: 12px; color: var(--muted); }
dialog input { width: 100%; margin-top: 4px; padding: 7px 9px; background: var(--bg); border: 1px solid #000; border-radius: 6px; color: var(--fg); font: inherit; }
dialog .hint { color: var(--muted); font-size: 11px; }
dialog menu { display: flex; justify-content: flex-end; gap: 10px; padding: 0; margin: 14px 0 0; }
dialog menu button { background: var(--tab); border: 1px solid #000; border-radius: 6px; padding: 6px 14px; cursor: pointer; }
dialog menu button#newOk { background: var(--accent); color: #16161e; font-weight: 600; }

/* remembered-dir chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 2px 0 4px; }
.chip {
  font-size: 11px; padding: 3px 9px; border-radius: 999px; cursor: pointer;
  background: var(--bg); border: 1px solid #000; color: var(--accent);
}
.chip:hover { background: var(--accent); color: #16161e; }

/* login overlay */
#login {
  position: fixed; inset: 0; z-index: 50;
  background: radial-gradient(circle at 50% 30%, #20212e, #15161e);
  display: flex; align-items: center; justify-content: center;
}
#login[hidden] { display: none; }
#loginForm {
  display: flex; flex-direction: column; gap: 12px; width: 280px;
  background: var(--tab-active); padding: 28px; border-radius: 12px;
  border: 1px solid #000; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
#loginForm h2 { margin: 0 0 6px; text-align: center; font-size: 18px; }
#loginForm input {
  padding: 10px 12px; background: var(--bg); border: 1px solid #000;
  border-radius: 8px; color: var(--fg); font: inherit;
}
#loginForm button {
  padding: 10px; background: var(--accent); color: #16161e; border: 0;
  border-radius: 8px; font-weight: 700; cursor: pointer;
}
#loginForm .err { color: var(--danger); font-size: 12px; text-align: center; min-height: 14px; margin: 0; }

/* on-screen key bar (mobile soft keyboards lack arrows/Esc/Tab/Ctrl) */
#keybar {
  flex: 0 0 auto;
  display: flex; gap: 6px; padding: 6px 8px;
  background: var(--bar); border-top: 1px solid #000;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
#keybar button {
  flex: 0 0 auto; min-width: 44px; height: 38px;
  background: var(--tab-active); color: var(--fg);
  border: 1px solid #000; border-radius: 8px;
  font-size: 15px; cursor: pointer; touch-action: manipulation;
  user-select: none;
}
#keybar button:active { background: var(--accent); color: #16161e; }
#keybar button.wide { min-width: 64px; }
#keybar button.on { background: var(--accent); color: #16161e; } /* sticky Ctrl armed */
#kKbd { margin-left: auto; }

/* keep the key bar reachable but out of the way on wide screens */
@media (min-width: 820px) and (pointer: fine) {
  #keybar { opacity: .55; }
  #keybar:hover { opacity: 1; }
}

/* narrow screens (phones, portrait): reclaim header width for the tab switcher */
#tabs { -webkit-overflow-scrolling: touch; }
@media (max-width: 640px) {
  .brand { display: none; }          /* drop the wordmark */
  #status { display: none; }         /* drop the status text */
  .spacer { display: none; }         /* let tabs take the slack */
  #tabs { flex: 1 1 auto; min-width: 0; }
  .tab { max-width: 52vw; padding: 0 10px; }
  #add, #logout { padding: 0 12px; font-size: 20px; }
}

/* login-history button matches the other header buttons */
#logins { background: none; border: 0; color: var(--muted); font-size: 15px; cursor: pointer; padding: 0 8px; }
#logins:hover { color: var(--accent); }

/* login-history dialog */
#loginsDlg { min-width: 520px; max-width: 90vw; }
#loginsDlg h3 { margin: 0 0 12px; }
.logins { max-height: 60vh; overflow-y: auto; font-size: 12px; }
.lg { display: grid; grid-template-columns: 150px 70px 120px 1fr; gap: 8px; padding: 5px 4px; border-bottom: 1px solid #000; align-items: baseline; }
.lg .t { color: var(--fg); }
.lg .ok { color: #9ece6a; }
.lg .bad { color: var(--danger); }
.lg .ip { color: var(--accent); }
.lg .ua { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 640px) {
  #loginsDlg { min-width: 0; }
  .lg { grid-template-columns: 1fr auto; }
  .lg .ua { display: none; }
}