/* ═══════════════════════════════════════════════
   AiLabs Sandbox — Dark Neon UI
   ═══════════════════════════════════════════════ */

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

:root {
  --bg:        #07070f;
  --bg2:       #0c0c1a;
  --bg3:       #11111f;
  --border:    #1e1e38;
  --red:       #ff2233;
  --red-dim:   #661122;
  --blue:      #2266ff;
  --blue-dim:  #112266;
  --text:      #b0bcd0;
  --text-dim:  #5a6a80;
  --text-hi:   #ddeeff;
  --mono:      'Courier New', 'Consolas', monospace;
  --sans:      system-ui, sans-serif;
  --topbar-h:  3rem;
  --footer-h:  3.2rem;
}

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

/* ─── TOP BAR ─── */
#topbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 1.2rem;
  padding: 0 1.4rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.brand { display: flex; align-items: baseline; gap: 0.3rem; }
.brand-ai    { color: var(--blue); font-size: 1.05rem; font-weight: 700; letter-spacing: 0.05em; }
.brand-sep   { color: var(--text-dim); font-size: 1.05rem; }
.brand-title { color: var(--text-hi); font-size: 1.05rem; font-weight: 700; letter-spacing: 0.12em; }
.brand-sub   {
  margin-left: 0.6rem; color: var(--text-dim);
  font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase;
  border: 1px solid var(--border); border-radius: 3px;
  padding: 1px 6px;
}

.topbar-info { display: flex; align-items: center; gap: 0.5rem; margin-left: 1rem; }
.label { color: var(--text-dim); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; }
#start-ts, #elapsed, #tick-counter {
  color: var(--text-hi); font-size: 0.82rem; letter-spacing: 0.05em;
  min-width: 7ch;
}
#tick-counter { min-width: 4ch; }

#winner-banner {
  margin-left: auto;
  font-size: 0.95rem; font-weight: 700; letter-spacing: 0.2em;
  color: #fff;
  background: linear-gradient(90deg, var(--red-dim), var(--blue-dim));
  border: 1px solid var(--border); border-radius: 4px;
  padding: 2px 14px;
  animation: pulse-border 1.4s ease-in-out infinite;
}
#winner-banner.red-win  { background: linear-gradient(90deg, #440011, var(--red-dim)); }
#winner-banner.blue-win { background: linear-gradient(90deg, var(--blue-dim), #001144); }
#winner-name.red-text  { color: var(--red); }
#winner-name.blue-text { color: var(--blue); }

@keyframes pulse-border {
  0%, 100% { box-shadow: 0 0 6px 1px rgba(255,34,51,0.3); }
  50%       { box-shadow: 0 0 14px 3px rgba(34,102,255,0.5); }
}

.hidden { display: none !important; }

/* ─── MAIN STAGE ─── */
#stage {
  position: fixed;
  top: var(--topbar-h);
  bottom: var(--footer-h);
  left: 0; right: 0;
  display: flex;
}

/* Canvas area */
#canvas-wrap {
  flex: 1 1 auto;
  display: flex; align-items: stretch; justify-content: stretch;
  background: var(--bg);
  overflow: hidden;
}

#net-canvas {
  display: block;
  width: 100%; height: 100%;
  cursor: default;
}

/* Event panel */
#event-panel {
  width: 300px;
  flex: 0 0 300px;
  background: var(--bg2);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}

.panel-title {
  padding: 0.5rem 0.9rem;
  font-size: 0.62rem; letter-spacing: 0.22em; color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#event-list {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 0.4rem 0;
  display: flex; flex-direction: column-reverse; /* newest on top */
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.event-item {
  padding: 0.26rem 0.9rem;
  font-size: 0.67rem;
  line-height: 1.4;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--text-dim);
  word-break: break-word;
}
.event-item .tick { color: var(--text-dim); margin-right: 0.4rem; font-size: 0.6rem; }
.event-item.info  { color: #6688aa; }
.event-item.warn  { color: #cc8833; }
.event-item.error { color: #ff4433; font-weight: 600; }

/* ─── METRICS STRIP ─── */
#metrics {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--footer-h);
  background: var(--bg2);
  border-top: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 1.4rem;
  z-index: 10;
}

.metrics-agent { display: flex; align-items: center; gap: 0.8rem; flex: 1; }
.metrics-divider {
  width: 1px; height: 1.6rem;
  background: var(--border);
  margin: 0 2rem;
}
.agent-label {
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.14em;
  min-width: 2.5rem;
}
.metric-group { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.metric-label {
  font-size: 0.58rem; letter-spacing: 0.14em; color: var(--text-dim);
  text-transform: uppercase;
}
.metric-val { font-size: 0.82rem; color: var(--text-hi); min-width: 3ch; }

.red-text  { color: var(--red); }
.blue-text { color: var(--blue); }
.red-side  .metric-val { color: #ffaaaa; }
.blue-side .metric-val { color: #aaccff; }

/* ─── Scrollbar polish ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }