:root {
  --bg: #07111f;
  --bg-alt: #10233e;
  --panel: rgba(8, 22, 38, 0.88);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #f7f3e8;
  --muted: #a4b6c8;
  --accent: #d6a04d;
  --accent-strong: #b45f2b;
  --positive: #77d4a3;
  --shadow: rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans KR", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(214, 160, 77, 0.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(119, 212, 163, 0.1), transparent 24%),
    linear-gradient(160deg, var(--bg), var(--bg-alt));
}

button {
  border: 0;
  border-radius: 14px;
  padding: 0.9rem 1rem;
  font: inherit;
  font-weight: 700;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, opacity 140ms ease;
}

button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.14);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.eyebrow,
.panel-label,
.hint {
  color: var(--muted);
}

.eyebrow,
.panel-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  margin: 0 0 8px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  line-height: 0.94;
  font-family: "Black Ops One", cursive;
}

.hero-copy {
  max-width: 44rem;
  margin: 12px 0 0;
  color: var(--muted);
}

.hero-badge,
.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: 0 20px 60px var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-badge {
  min-width: 220px;
  padding: 18px 20px;
  border-radius: 20px;
}

.hero-badge span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.86rem;
}

.dashboard {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 18px;
}

.panel {
  border-radius: 24px;
  padding: 22px;
}

.empire-panel {
  grid-row: span 2;
}

.empire-panel h2 {
  margin: 0;
  font-size: clamp(3rem, 10vw, 5.2rem);
}

.resource-rate {
  margin: 14px 0 22px;
  color: var(--muted);
}

.resource-rate strong,
.hint span,
.metric-card strong {
  color: var(--positive);
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.metric-card,
.menu-description,
.action-card,
.event-log li {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.metric-card {
  border-radius: 18px;
  padding: 16px;
}

.metric-card span {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.section-title h3 {
  margin: 0;
  font-size: 1.4rem;
}

.menu-grid,
.action-list,
.event-log {
  display: grid;
  gap: 12px;
}

.menu-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.menu-tab {
  text-align: left;
  min-height: 72px;
}

.menu-tab.is-active {
  background: linear-gradient(135deg, rgba(214, 160, 77, 0.42), rgba(180, 95, 43, 0.36));
}

.menu-description {
  border-radius: 18px;
  padding: 16px;
  margin-top: 14px;
  color: var(--muted);
  min-height: 92px;
}

.action-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
}

.action-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.action-head h4,
.action-head p,
.action-card p {
  margin: 0;
}

.action-head p,
.action-card p {
  color: var(--muted);
}

.event-log {
  list-style: none;
  margin: 0;
  padding: 0;
}

.event-log li {
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}

.utility-panel {
  margin-top: 18px;
}

.utility-actions {
  display: flex;
  gap: 12px;
}

.danger-button {
  background: rgba(180, 67, 67, 0.22);
}

@media (max-width: 980px) {
  .hero,
  .dashboard {
    display: grid;
    grid-template-columns: 1fr;
  }

  .empire-panel {
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .metric-grid,
  .menu-grid {
    grid-template-columns: 1fr;
  }
}