:root {
  --bg:      #0a0e1a;
  --bg2:     #111827;
  --bg3:     #1e293b;
  --bg4:     #263044;
  --border:  #334155;
  --text:    #e2e8f0;
  --dim:     #94a3b8;
  --accent:  #3b82f6;
  --green:   #22c55e;
  --red:     #ef4444;
  --yellow:  #fbbf24;
  --orange:  #f97316;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
.green { color: var(--green) !important; }
.red   { color: var(--red)   !important; }
.dim   { color: var(--dim)   !important; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Courier New', Courier, monospace;
  font-size: 15px;
  height: 100vh;
  overflow: hidden;
  user-select: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ── HUD ─────────────────────────────────────── */
#hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 18px;
  background: var(--bg2);
  border-bottom: 2px solid var(--accent);
  flex-shrink: 0;
  gap: 12px;
}

#hud-brand {
  font-size: 21px;
  font-weight: bold;
  color: var(--accent);
  letter-spacing: 3px;
  white-space: nowrap;
}

#hud-stats {
  display: flex;
  gap: 28px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 55px;
}
.stat-lbl { font-size: 11px; color: var(--dim); letter-spacing: 1px; }
.stat-val { font-size: 18px; font-weight: bold; color: var(--text); }
.stat-val.green { color: var(--green); }

#hud-controls { display: flex; gap: 5px; align-items: center; }
.spd {
  padding: 5px 13px;
  background: var(--bg3);
  color: var(--dim);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: bold;
  transition: all 0.12s;
}
.spd:hover { background: var(--bg4); color: var(--text); }
.spd.active { background: var(--accent); color: #fff; border-color: var(--accent); }

#btn-pause {
  padding: 5px 13px;
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 17px;
}
#btn-pause:hover { background: var(--bg4); }

/* ── RESOURCE BAR ────────────────────────────── */
#res-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 5px 18px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.res-bar-lbl {
  font-size: 13px;
  color: var(--dim);
  letter-spacing: 1px;
  white-space: nowrap;
}

#res-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.res-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 11px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  transition: border-color 0.2s;
}
.res-chip.low { border-color: var(--red); }
.res-chip .ri { font-size: 16px; }
.res-chip .rc { font-weight: bold; min-width: 28px; }
.res-chip.low .rc { color: var(--red); }
.res-chip .rn { color: var(--dim); font-size: 13px; }

/* ── CANVAS ──────────────────────────────────── */
#canvas-wrap {
  display: flex;
  justify-content: center;
  background: #060a14;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#factory {
  display: block;
  border-radius: 6px;
  border: 1px solid var(--border);
}

/* ── PANELS ──────────────────────────────────── */
#panels {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.panel {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  border-right: 1px solid var(--border);
  overflow: hidden;
}
.panel:last-child { border-right: none; }

.p-hdr {
  padding: 6px 12px;
  background: var(--bg2);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--dim);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.p-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

/* ── PRODUCTION PANEL ────────────────────────── */
.launch-btn {
  width: 100%;
  padding: 11px;
  background: var(--green);
  color: #000;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-weight: bold;
  font-size: 15px;
  letter-spacing: 1px;
  transition: filter 0.12s;
}
.launch-btn:hover { filter: brightness(1.15); }
.launch-btn:disabled { background: var(--bg3); color: var(--dim); cursor: not-allowed; filter: none; }

.mini-stat { font-size: 14px; color: var(--dim); }
.mini-stat strong { color: var(--text); }
.mini-stat .green { color: var(--green); }

/* ── SHOP PANEL ──────────────────────────────── */
.shop-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 6px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.shop-ico { font-size: 18px; }
.shop-info { flex: 1; min-width: 0; }
.shop-name { font-size: 13px; color: var(--text); }
.shop-price { font-size: 12px; color: var(--yellow); }
.shop-buy {
  padding: 4px 10px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  white-space: nowrap;
}
.shop-buy:hover { filter: brightness(1.15); }

/* ── WORKERS PANEL ───────────────────────────── */
.wrow {
  display: flex;
  align-items: center;
  padding: 4px 2px;
  border-bottom: 1px solid var(--bg4);
  gap: 4px;
}
.wrow-name { flex: 1; font-size: 13px; color: var(--text); }
.wrow-ctrl { display: flex; align-items: center; gap: 5px; }
.wbtn {
  width: 26px; height: 26px;
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  font-family: inherit;
  display: flex; align-items: center; justify-content: center;
}
.wbtn:hover { background: var(--bg4); }
.wcount { font-size: 15px; color: var(--yellow); font-weight: bold; min-width: 22px; text-align: center; }

.p-foot-btn {
  padding: 8px;
  background: var(--bg3);
  color: var(--text);
  border: none;
  border-top: 1px solid var(--border);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  flex-shrink: 0;
  text-align: center;
  transition: background 0.12s;
}
.p-foot-btn:hover { background: var(--bg4); }

/* ── UPGRADES PANEL ──────────────────────────── */
.upg-item {
  padding: 6px 8px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.12s;
}
.upg-item:hover:not(.done) { border-color: var(--accent); }
.upg-item.done { opacity: 0.45; cursor: default; border-color: var(--green); }
.upg-name { font-size: 13px; font-weight: bold; color: var(--text); }
.upg-desc { font-size: 12px; color: var(--dim); margin-top: 1px; }
.upg-cost { font-size: 13px; color: var(--yellow); margin-top: 2px; }
.upg-owned { font-size: 12px; color: var(--green); }

/* ── LOG PANEL ───────────────────────────────── */
#log-list {
  flex: 1;
  overflow-y: auto;
  padding: 5px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.log-entry {
  font-size: 13px;
  color: var(--dim);
  padding: 2px 0;
  border-bottom: 1px solid var(--bg3);
  line-height: 1.45;
}
.log-entry.good { color: var(--green); }
.log-entry.bad  { color: var(--red); }
.log-entry.info { color: var(--text); }

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