:root {
  --bg: #081017;
  --bg-2: #102233;
  --panel: rgba(10, 24, 37, 0.86);
  --panel-strong: rgba(18, 38, 56, 0.94);
  --border: rgba(255, 255, 255, 0.09);
  --text: #f5f3ee;
  --muted: #9fb3c4;
  --gold: #d8aa52;
  --gold-deep: #9a6124;
  --green: #7dd7a6;
  --red: #e07d72;
  --shadow: rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Noto Sans KR", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(216, 170, 82, 0.24), transparent 24%),
    radial-gradient(circle at top right, rgba(125, 215, 166, 0.14), transparent 18%),
    linear-gradient(145deg, #071019, #102437 52%, #162f3b);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 90%);
}

button {
  border: 0;
  border-radius: 16px;
  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 {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
}

.app-shell {
  width: min(1380px, calc(100% - 28px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.hero-panel,
.panel,
.metric-card,
.info-card,
.log-list li {
  border: 1px solid var(--border);
  box-shadow: 0 18px 55px var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-panel {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border-radius: 30px;
  background:
    linear-gradient(135deg, rgba(216, 170, 82, 0.14), transparent 42%),
    linear-gradient(160deg, rgba(9, 24, 37, 0.92), rgba(11, 31, 48, 0.88));
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.77rem;
}

.hero-copy h1 {
  margin: 0;
  font-family: "Do Hyeon", sans-serif;
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 0.92;
}

.hero-text {
  max-width: 42rem;
  margin: 14px 0 0;
  color: var(--muted);
}

.hero-side {
  display: grid;
  gap: 12px;
  min-width: 240px;
}

.hero-stat,
.metric-card,
.info-card,
.donation-box {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 16px 18px;
}

.hero-stat span,
.metric-card span,
.income-strip span,
.card-top span,
.card-meta,
.donation-box p {
  color: var(--muted);
}

.hero-stat strong,
.metric-card strong,
.income-strip strong,
.card-price,
.positive {
  color: var(--green);
}

.dashboard {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  grid-column: span 4;
  padding: 22px;
  border-radius: 26px;
  background: linear-gradient(180deg, var(--panel), var(--panel-strong));
}

.command-panel {
  grid-column: span 8;
}

.log-panel {
  grid-column: span 8;
}

.panel-header,
.card-top,
.card-bottom,
.income-strip,
.status-chips,
.action-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.panel-header {
  align-items: flex-start;
  margin-bottom: 18px;
}

.panel h2,
.panel h3,
.card-top h4 {
  margin: 0;
}

.panel h2 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 0.9;
}

.status-chips {
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  white-space: nowrap;
}

.income-strip {
  flex-wrap: wrap;
  margin: 18px 0;
  padding: 16px 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.05);
}

.income-strip > div {
  min-width: 130px;
}

.income-strip span,
.income-strip strong {
  display: block;
}

.hold-button {
  width: 100%;
  min-height: 150px;
  padding: 1.4rem;
  border-radius: 28px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.16), transparent 40%),
    linear-gradient(135deg, var(--gold), var(--gold-deep));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 22px 34px rgba(154, 97, 36, 0.35);
  text-align: left;
}

.hold-button span,
.hold-button strong {
  display: block;
}

.hold-button span {
  font-size: 1rem;
}

.hold-button strong {
  margin-top: 8px;
  font-size: clamp(1.5rem, 5vw, 2.4rem);
}

.hold-button.is-holding {
  transform: translateY(2px) scale(0.995);
  filter: saturate(1.1);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.card-list {
  display: grid;
  gap: 12px;
}

.info-card {
  display: grid;
  gap: 12px;
}

.card-top {
  align-items: flex-start;
}

.card-top h4 {
  font-size: 1.08rem;
}

.card-desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.card-bottom {
  align-items: center;
  flex-wrap: wrap;
}

.card-price {
  font-weight: 800;
}

.card-meta {
  font-size: 0.94rem;
}

.locked {
  opacity: 0.72;
}

.danger {
  background: rgba(224, 125, 114, 0.18);
  color: #ffd7d1;
}

.log-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.log-list li {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

@media (max-width: 1180px) {
  .panel,
  .command-panel,
  .log-panel {
    grid-column: span 6;
  }

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

@media (max-width: 780px) {
  .app-shell {
    width: min(100%, calc(100% - 18px));
    padding-top: 14px;
  }

  .hero-panel,
  .panel-header,
  .card-top,
  .card-bottom,
  .income-strip,
  .action-row {
    flex-direction: column;
  }

  .panel,
  .command-panel,
  .log-panel {
    grid-column: 1 / -1;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .hold-button {
    min-height: 132px;
  }
}

.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;
  }
}