/* ═══════════════════════════════════════════════
   Remote Commander — UI  v3.0 multi-agent
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;500&family=IBM+Plex+Sans:wght@300;400;500&display=swap');

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

:root {
  --bg:        #1a1a1a;
  --bg2:       #222222;
  --bg3:       #2a2a2a;
  --bg4:       #313131;
  --border:    #333333;
  --border2:   #404040;
  --text:      #d4d4d4;
  --text-dim:  #6e6e6e;
  --text-faint:#3e3e3e;
  --accent:    #4fc3f7;
  --accent2:   #1e88e5;
  --green:     #81c784;
  --amber:     #ffca28;
  --red:       #ef5350;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-ui:   'IBM Plex Sans', sans-serif;
}

html, body { height: 100%; background: var(--bg); color: var(--text); font-family: var(--font-ui); overflow: hidden; }

/* ── Layout ── */
.app {
  display: grid;
  grid-template-columns: 160px 180px 1fr 300px;
  grid-template-rows: 44px 1fr 56px;
  grid-template-areas:
    "topbar  topbar   topbar  topbar"
    "agents  history  output  result"
    "agents  history  input   input";
  height: 100vh;
}

/* ── Topbar ── */
.topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.topbar-brand { font-family: var(--font-mono); font-size: 12px; font-weight: 500; color: var(--text-dim); letter-spacing: 0.08em; }
.topbar-brand strong { color: var(--text); }
.topbar-indicators { display: flex; align-items: center; gap: 20px; }
.indicator { display: flex; align-items: center; gap: 6px; font-size: 11px; font-family: var(--font-mono); color: var(--text-dim); }
.led { width: 6px; height: 6px; border-radius: 50%; background: var(--text-faint); }
.led.on     { background: var(--green);  box-shadow: 0 0 4px var(--green); }
.led.active { background: var(--accent); box-shadow: 0 0 4px var(--accent); }
.btn-clr { font-family: var(--font-mono); font-size: 10px; color: var(--text-dim); background: transparent; border: 1px solid var(--border); padding: 3px 10px; cursor: pointer; border-radius: 2px; transition: all 0.1s; }
.btn-clr:hover { color: var(--text); border-color: var(--border2); }

/* ── Agents Panel ── */
.agents-panel {
  grid-area: agents;
  background: #1e1e1e;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.agents-list { flex: 1; overflow-y: auto; padding: 4px 0; }
.agents-empty { font-family: var(--font-mono); font-size: 10px; color: var(--text-faint); padding: 16px 12px; text-align: center; line-height: 1.8; }

.agent-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  cursor: pointer;
  border-left: 2px solid transparent;
  border-bottom: 1px solid var(--border);
  transition: all 0.1s;
}
.agent-item:hover    { background: var(--bg3); color: var(--text); border-left-color: var(--border2); }
.agent-item.selected { background: var(--bg3); border-left-color: var(--accent); }
.agent-item .ai-header { display: flex; align-items: center; justify-content: space-between; }
.agent-item .ai-id   { color: var(--text-faint); font-size: 9px; }
.agent-item .ai-name { color: var(--text); font-size: 11px; font-weight: 500; }
.agent-item .ai-sub  { color: var(--text-faint); font-size: 9px; }
.agent-item .ai-dot  { width: 5px; height: 5px; border-radius: 50%; background: var(--text-faint); }
.agent-item .ai-dot.alive { background: var(--green); box-shadow: 0 0 4px var(--green); }

/* ── History Panel ── */
.history-panel {
  grid-area: history;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.panel-title { font-size: 10px; font-family: var(--font-mono); color: var(--text-faint); letter-spacing: 0.12em; padding: 10px 12px 6px; border-bottom: 1px solid var(--border); text-transform: uppercase; }
.history-list { flex: 1; overflow-y: auto; padding: 4px 0; }
.history-item { display: flex; align-items: center; gap: 8px; padding: 7px 12px; font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); cursor: pointer; border-left: 2px solid transparent; transition: all 0.1s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-item:hover  { background: var(--bg3); color: var(--text); border-left-color: var(--border2); }
.history-item.active { background: var(--bg3); color: var(--accent); border-left-color: var(--accent); }
.history-item .hi-type { color: var(--accent); font-size: 10px; min-width: 14px; }
.history-item .hi-cmd  { overflow: hidden; text-overflow: ellipsis; }
.history-item .hi-dot  { width: 5px; height: 5px; border-radius: 50%; background: var(--green); margin-left: auto; flex-shrink: 0; }
.history-item .hi-dot.pending { background: var(--amber); }
.history-item .hi-dot.error   { background: var(--red); }

/* ── Output ── */
.output-panel { grid-area: output; display: flex; flex-direction: column; overflow: hidden; border-right: 1px solid var(--border); }
.output-scroll { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 2px; }
.output-entry { font-family: var(--font-mono); font-size: 12px; line-height: 1.6; padding: 3px 0; animation: fadeIn 0.15s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.output-entry .oe-prompt { color: var(--text-faint); margin-right: 6px; }
.output-entry .oe-cmd    { color: var(--text); }
.output-entry .oe-arg    { color: var(--accent); }
.output-entry .oe-agent  { font-size: 9px; color: var(--text-faint); margin-left: 8px; }
.output-entry .oe-time   { font-size: 10px; color: var(--text-faint); margin-left: 8px; }
.output-entry .oe-result { margin-top: 4px; padding: 8px 10px; background: var(--bg3); border-left: 2px solid var(--border2); color: var(--text); white-space: pre-wrap; word-break: break-all; font-size: 11px; max-height: 200px; overflow-y: auto; }
.output-entry .oe-result.json { color: #9cdcfe; }
.output-entry .oe-result.err  { color: var(--red); border-left-color: var(--red); }
.output-entry .oe-result.wait { color: var(--text-faint); font-style: italic; }

.boot { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); padding: 8px 0 20px; border-bottom: 1px solid var(--border); margin-bottom: 12px; line-height: 1.8; }

/* ── Result Panel ── */
.result-panel { grid-area: result; display: flex; flex-direction: column; overflow: hidden; background: var(--bg2); }
.result-header { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-bottom: 1px solid var(--border); }
.result-title  { font-size: 10px; font-family: var(--font-mono); color: var(--text-faint); letter-spacing: 0.1em; text-transform: uppercase; }
.result-cmd-label { font-size: 10px; font-family: var(--font-mono); color: var(--accent); max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-body { flex: 1; overflow-y: auto; padding: 12px; font-family: var(--font-mono); font-size: 11px; line-height: 1.7; color: var(--text); white-space: pre-wrap; word-break: break-all; }
.result-body.json  { color: #9cdcfe; }
.result-body.wait  { color: var(--text-faint); font-style: italic; }
.result-body.error { color: var(--red); }

/* ── Input Bar ── */
.input-bar { grid-area: input; display: flex; align-items: center; padding: 0 16px; background: var(--bg2); border-top: 1px solid var(--border); }
.prompt-str { font-family: var(--font-mono); font-size: 13px; color: var(--text-faint); white-space: nowrap; padding-right: 8px; display: flex; align-items: center; gap: 6px; user-select: none; }
.prompt-str .ph { color: var(--accent); }
.active-agent-tag { font-size: 10px; color: var(--accent); background: rgba(79,195,247,0.1); border: 1px solid rgba(79,195,247,0.2); padding: 1px 6px; border-radius: 2px; max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cmd-input { flex: 1; background: transparent; border: none; outline: none; font-family: var(--font-mono); font-size: 13px; color: var(--text); caret-color: var(--accent); }
.cmd-input::placeholder { color: var(--text-faint); }
.cmd-input:disabled { opacity: 0.3; }
.btn-exec { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.1em; color: var(--bg); background: var(--accent2); border: none; padding: 7px 18px; cursor: pointer; border-radius: 2px; transition: background 0.15s; white-space: nowrap; }
.btn-exec:hover:not(:disabled) { background: var(--accent); }
.btn-exec:disabled { opacity: 0.3; cursor: not-allowed; }

/* ── Scrollbars ── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .app { grid-template-columns: 140px 1fr; grid-template-rows: 44px 1fr 1fr 56px; grid-template-areas: "topbar topbar" "agents output" "history result" "history input"; }
}