@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=JetBrains+Mono:wght@400;500;600;700&display=swap');
:root, [data-theme="light"] {
  --paper: #EFE9DD;
  --ink: #0B0B09;
  --ink-rgb: 11,11,9;
  --paper-rgb: 239,233,221;
  --ink-dim: rgba(11,11,9,0.55);
  --ink-hair: rgba(11,11,9,0.18);
  --surface: #F6F1E7;
  --surface-2: rgba(11,11,9,0.04);
  --green: #247420;
  --green-fg: #FFFFFF;
  --green-deep: #18794E;
  --sun: #FFD100;
  --flame: #FF3B1F;
  --link: #1F4DFF;
  --user: #1F4DFF;
  --ff-display: 'Archivo Black', system-ui, sans-serif;
  --ff-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --dur-snap: 80ms;
  --dur-base: 160ms;
  --ease: cubic-bezier(0.2,0,0,1);
}
[data-theme="dark"] {
  --paper: #0B0B09;
  --ink: #EFE9DD;
  --ink-rgb: 239,233,221;
  --paper-rgb: 11,11,9;
  --ink-dim: rgba(239,233,221,0.55);
  --ink-hair: rgba(239,233,221,0.18);
  --surface: #17160F;
  --surface-2: rgba(239,233,221,0.04);
  --green: #3FA93A;
  --green-fg: #0B0B09;
  --green-deep: #6CE06A;
  --flame: #FF6B4A;
  --link: #7FA2FF;
  --user: #7FA2FF;
}
*, *::before, *::after { box-sizing: border-box; border: 0; outline: 0; border-radius: 0; font-family: var(--ff-mono); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
html, body { background: var(--paper); color: var(--ink); height: 100%; margin: 0; font-size: 13px; line-height: 1.45; }
::selection { background: var(--green); color: var(--green-fg); }
.tui-header {
  border-bottom: 1px solid var(--ink-hair);
  background: var(--paper);
  padding: 10px 2ch;
  color: var(--ink);
  overflow: hidden;
  display: flex;
  align-items: baseline;
  gap: 2ch;
  flex-wrap: wrap;
}
.tui-header .brand {
  font-family: var(--ff-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
}
.tui-header .brand .slash { color: var(--ink-dim); font-weight: 400; padding: 0 0.3ch; }
.tui-header .brand .leaf { color: var(--green); }
.tui-header .tagline {
  font-family: var(--ff-mono);
  font-size: 10px;
  color: var(--ink-dim);
  text-transform: lowercase;
  letter-spacing: 0.04em;
}
.tui-tabs {
  display: flex;
  gap: 0;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
  padding: 0 2ch;
}
.tui-tab {
  background: transparent;
  border-bottom: 2px solid transparent;
  color: var(--ink-dim);
  padding: 8px 2ch;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color var(--dur-snap) var(--ease), border-color var(--dur-snap) var(--ease);
}
.tui-tab:hover { color: var(--ink); }
.tui-tab.active {
  color: var(--ink);
  border-bottom-color: var(--green);
}
.tui-input, .tui-select, .tui-textarea {
  background: var(--surface);
  border-bottom: 1px solid var(--ink-hair);
  color: var(--ink);
  padding: 4px 1ch;
  font-size: 12px;
  font-family: var(--ff-mono);
}
.tui-input:focus, .tui-select:focus, .tui-textarea:focus {
  border-bottom-color: var(--green);
  background: var(--paper);
}
.tui-select {
  appearance: none;
  padding-right: 3ch;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(-45deg, transparent 50%, var(--ink) 50%);
  background-position: right 1.2ch center, right 0.6ch center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.tui-select::-ms-expand { display: none; }
.tui-btn {
  background: transparent;
  color: var(--ink);
  padding: 4px 1.5ch;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: background var(--dur-snap) var(--ease), color var(--dur-snap) var(--ease);
}
.tui-btn:hover { background: var(--ink); color: var(--paper); }
.tui-btn.primary {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 3px 3px 0 var(--green);
  transition: transform var(--dur-snap) var(--ease), box-shadow var(--dur-snap) var(--ease);
}
.tui-btn.primary:hover { transform: translate(1px,1px); box-shadow: 2px 2px 0 var(--green); background: var(--green); color: var(--green-fg); }
.tui-btn.primary:active { transform: translate(3px,3px); box-shadow: 0 0 0 var(--green); }
.tui-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.tui-msg {
  max-width: 78ch;
  padding: 6px 1ch;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 13px;
  line-height: 1.5;
}
.tui-msg.user { color: var(--user); border-left: 2px solid var(--user); padding-left: 1.5ch; }
.tui-msg.user::before { content: 'you / '; color: var(--ink-dim); font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; display: block; margin-bottom: 2px; font-weight: 600; }
.tui-msg.assistant { color: var(--ink); border-left: 2px solid var(--green); padding-left: 1.5ch; }
.tui-msg.assistant::before { content: 'agent / '; color: var(--green); font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; display: block; margin-bottom: 2px; font-weight: 600; }
.tui-status { color: var(--green-deep); font-size: 11px; }
.tui-error-text { color: var(--flame); font-size: 11px; font-weight: 600; }
.tui-spinner::after { content: '⠋'; animation: tui-spin 0.6s steps(6) infinite; color: var(--green); }
@keyframes tui-spin {
  0% { content: '⠋'; } 16% { content: '⠙'; } 33% { content: '⠹'; }
  50% { content: '⠸'; } 66% { content: '⠼'; } 83% { content: '⠴'; }
}
.tui-toolbar {
  display: flex;
  gap: 1ch;
  padding: 6px 2ch;
  border-bottom: 1px solid var(--ink-hair);
  background: var(--paper);
  align-items: center;
  flex-wrap: wrap;
  font-size: 12px;
}
.tui-toolbar label { color: var(--ink-dim); font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }
.tui-agent-stats {
  padding: 4px 2ch;
  border-bottom: 1px solid var(--ink-hair);
  background: var(--surface);
  font-size: 10px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-height: 18px;
  font-family: var(--ff-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tui-agent-stats:empty { display: none; }
.tui-msglist {
  flex: 1;
  overflow-y: auto;
  padding: 2ch;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--paper);
}
.tui-compose {
  display: flex;
  gap: 1ch;
  padding: 8px 2ch;
  border-top: 1px solid var(--ink);
  background: var(--surface);
}
@keyframes blink { 50% { opacity: 0; } }
#pane-term { background: var(--paper); }
#pane-term .xterm { padding: 1ch; }
.hidden { display: none !important; }