:root {
  --bg: #f2ede3;
  --bg-strong: #e7dcc8;
  --panel: rgba(255, 252, 246, 0.88);
  --panel-border: rgba(111, 85, 44, 0.14);
  --text: #20180d;
  --muted: #6b5b46;
  --accent: #0e6b5c;
  --accent-strong: #094f45;
  --accent-soft: #d7efe6;
  --warning: #9f5a18;
  --shadow: 0 18px 50px rgba(52, 33, 9, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(14, 107, 92, 0.14), transparent 32%),
    radial-gradient(circle at bottom right, rgba(159, 90, 24, 0.12), transparent 28%),
    linear-gradient(180deg, #f7f1e7 0%, var(--bg) 100%);
  font-family: Georgia, "Times New Roman", serif;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  padding: 24px 20px;
  border-right: 1px solid var(--panel-border);
  background: rgba(255, 250, 241, 0.75);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 24px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, #1d8f7d 100%);
  color: white;
  font-weight: 700;
  letter-spacing: 0;
}

.brand h1,
.hero h2,
.panel-header h2 {
  margin: 0;
  font-weight: 700;
}

.brand p,
.panel-header p,
.eyebrow,
.summary-label,
.status-line,
.field span {
  margin: 0;
  color: var(--muted);
}

.panel,
.summary-card,
.table-panel,
.hero {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
}

.panel,
.table-panel {
  border-radius: 12px;
}

.panel {
  padding: 16px;
  margin-bottom: 18px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.field-inline {
  min-width: 260px;
  margin-bottom: 0;
}

input {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid rgba(84, 58, 22, 0.15);
  border-radius: 8px;
  font: inherit;
  color: var(--text);
  background: rgba(255, 255, 255, 0.8);
}

input:focus {
  outline: 2px solid rgba(14, 107, 92, 0.2);
  border-color: var(--accent);
}

.readonly-value {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid rgba(84, 58, 22, 0.1);
  border-radius: 8px;
  color: var(--text);
  background: rgba(231, 220, 200, 0.35);
  overflow-wrap: anywhere;
}

.button-row,
.hero-actions {
  display: flex;
  gap: 10px;
}

.button,
.icon-button {
  border: 0;
  border-radius: 8px;
  font: inherit;
  cursor: pointer;
}

.button {
  padding: 11px 14px;
  background: #ede4d4;
  color: var(--text);
}

.button-primary {
  background: var(--accent);
  color: white;
}

.button:hover,
.icon-button:hover {
  filter: brightness(0.98);
}

.icon-button {
  width: 34px;
  height: 34px;
  background: #ede4d4;
}

.status-line {
  font-size: 13px;
}

.universe-list {
  display: grid;
  gap: 8px;
}

.universe-item {
  width: 100%;
  text-align: left;
  padding: 12px 13px;
  border: 1px solid rgba(84, 58, 22, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  cursor: pointer;
}

.universe-item.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.universe-item strong,
.universe-item span {
  display: block;
}

.universe-item span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.main {
  padding: 28px;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 18px;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0;
  margin-bottom: 6px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.summary-card {
  border-radius: 12px;
  padding: 18px;
}

.summary-card strong {
  display: block;
  margin-top: 10px;
  font-size: 24px;
}

.table-panel {
  padding: 18px;
}

.table-wrap {
  overflow: auto;
  border-radius: 10px;
  border: 1px solid rgba(84, 58, 22, 0.08);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.76);
}

th,
td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(84, 58, 22, 0.08);
  vertical-align: top;
}

th {
  background: rgba(231, 220, 200, 0.45);
  color: var(--muted);
  font-size: 13px;
}

.empty-row td {
  text-align: center;
  color: var(--muted);
  padding: 30px 12px;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--panel-border);
  }

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

  .hero,
  .panel-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .field-inline {
    min-width: 0;
    width: 100%;
  }
}