:root {
  --bg: #050816;
  --inner-bg: #757c91;
  --card: #0f172a;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.15);
  --text: #e5e7eb;
  --muted: #9ca3af;
  --danger: #f97373;
  --success: #4ade80;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
header {
  text-align: center;
  padding: 20px;
}
h1 {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 16px;
}
@media (max-width: 900px) {
  main {
    grid-template-columns: 1fr;
  }
}
.panel {
  background: var(--inner-bg);
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  overflow: hidden;
}
.panel h2 {
  margin: 0;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
  font-size: 18px;
}
.inner {
  padding: 12px 16px 16px;
}

.controls {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  padding: 12px 16px 16px;
}
.controls button {
  background: var(--accent);
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: var(--text);
  padding: 20px 10px;
  font-size: 14px;
  cursor: pointer;
  grid-column: span 2;
}

button:nth-last-child(2) {
  grid-column: span 3;
  background-color: var(--danger);
}
button:last-child {
  grid-column: span 3;
  background-color: var(--success);
}

.controls button.primary {
  background: var(--card);
  border-color: transparent;
  font-weight: 600;
  grid-column: span 3;
}
.controls button.primary:hover,
.row:hover {
  filter: brightness(175%);
}

.row select {
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: var(--text);
  background: var(--card);
  padding: 10px;
  cursor: pointer;
}
.controls button:hover {
  filter: brightness(1.05);
}

.controls .row {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  grid-column: 4 / span 3;
  background: var(--card);
  border-radius: 10px;
}

.controls label {
  font-size: 13px;
  color: var(--text);
}

.stats {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.card {
  flex: 1;
  min-width: 120px;
  background: var(--card);
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 8px 10px;
  text-align: center;
}
.card .label {
  font-size: 12px;
  color: var(--muted);
}
.card .value {
  font-size: 18px;
  font-weight: 600;
  margin-top: 4px;
  color: var(--accent);
}

.boss {
  margin-bottom: 12px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid rgba(248, 113, 113, 0.6);
  background: radial-gradient(
    circle at top,
    rgba(248, 113, 113, 0.2),
    #020617 60%
  );
}
.boss-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.boss-name {
  font-weight: 600;
}
.boss-hp {
  color: var(--danger);
  font-weight: 600;
}
.boss-bar {
  margin-top: 6px;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(30, 64, 175, 0.8);
  overflow: hidden;
}
.boss-bar-inner {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #f97373, #fb923c);
  transition: width 0.2s ease-out;
}

.heroes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}
.hero-card {
  background: var(--card);
  border-radius: 12px;
  padding: 10px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  position: relative;
}
.hero-name {
  font-weight: 600;
  margin-bottom: 4px;
}
.hero-role {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.hero-stats {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}
.hero-stats span {
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
}
.log {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  background: #020617;
  border-radius: 10px;
  padding: 8px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  height: 110px;
  overflow: auto;
  white-space: pre-line;
  color: var(--muted);
}