:root {
  color-scheme: dark;
  --bg: #14151a;
  --panel: #1c1e26;
  --panel-border: #2c2f3a;
  --text: #e8e9ed;
  --text-dim: #9a9dad;
  --accent: #c9a86a;
  --accent-dim: #7c6b47;
  --update-border: #3a3d4d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.page-header {
  padding: 2rem 1.5rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid var(--panel-border);
}

.page-header h1 {
  margin: 0 0 0.4rem;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

.last-checked {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 0.75rem;
}

.site-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--text);
}

.site-nav a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 860px) {
  main {
    grid-template-columns: 1fr;
  }
}

section {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin: 0;
}

h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.briefing-date {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0 0 0.75rem;
}

.briefing-summary {
  font-size: 1.02rem;
  margin: 0 0 1rem;
}

.category {
  margin-bottom: 1rem;
}

.category:last-child {
  margin-bottom: 0;
}

.category h3 {
  font-size: 0.95rem;
  margin: 0 0 0.4rem;
  color: var(--text);
}

.category ul {
  margin: 0;
  padding-left: 1.2rem;
}

.category li {
  margin-bottom: 0.3rem;
  color: var(--text-dim);
}

.updates-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.update-item {
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--update-border);
}

.update-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.update-time {
  color: var(--accent-dim);
  font-size: 0.8rem;
  display: block;
  margin-bottom: 0.15rem;
}

.update-title {
  font-weight: 600;
  margin: 0 0 0.15rem;
}

.update-text {
  color: var(--text-dim);
  margin: 0;
  font-size: 0.92rem;
}

.empty-state {
  color: var(--text-dim);
  font-style: italic;
}

.page-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* Key tier list page */

.keys-main {
  display: block;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.map-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.map-tab {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  cursor: pointer;
}

.map-tab:hover {
  color: var(--text);
}

.map-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #14151a;
  font-weight: 600;
}

.tier-list {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
}

.tier-group {
  margin-bottom: 1.5rem;
}

.tier-group:last-child {
  margin-bottom: 0;
}

.tier-heading {
  font-size: 1rem;
  margin: 0 0 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
}

.tier-S { background: #6a3f3f; color: #ffb4b4; }
.tier-A { background: #6a5a3f; color: #ffd89e; }
.tier-B { background: #5a6a3f; color: #d9ff9e; }
.tier-C { background: #3f5a6a; color: #9edcff; }
.tier-D { background: #3a3d4d; color: #b8bbd0; }

.key-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 0.6rem;
}

.key-box {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 0.5rem 0.4rem 0.4rem;
  text-align: center;
  cursor: default;
}

.key-box:hover,
.key-box:focus {
  border-color: var(--accent-dim);
  outline: none;
}

.key-icon {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.35rem;
}

.key-icon img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.key-icon.fallback {
  color: var(--text-dim);
}

.key-icon.fallback svg {
  width: 55%;
  height: 55%;
}

.key-box-label {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.key-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  text-align: left;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.12s ease;
  z-index: 20;
}

.key-box:hover .key-tooltip,
.key-box:focus .key-tooltip,
.key-box:focus-within .key-tooltip {
  opacity: 1;
  visibility: visible;
}

.key-tooltip-name {
  margin: 0 0 0.35rem;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text);
}

.key-tooltip-meta {
  margin: 0 0 0.35rem;
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
}

.tier-pill {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}

.key-map-tag {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.key-tooltip-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.4;
}