:root {
  --oh-bg: #111418;
  --oh-panel: rgba(0, 0, 0, 0.2);
  --oh-panel-sub: rgba(0, 0, 0, 0.2);
  --oh-border: hsla(208, 19%, 32%, 0.4);
  --oh-border-highlight: hsla(208, 19%, 48%, 0.4);
  --oh-accent: hsl(208, 19%, 78%);
  --oh-gold: hsl(165, 61%, 63%);
  --oh-purple: hsl(208, 19%, 72%);
  --oh-stardust: hsl(208, 19%, 62%);
  --oh-text: hsl(208, 19%, 94%);
  --oh-muted: hsl(208, 19%, 72%);
  --oh-dim: hsl(208, 19%, 56%);
  --oh-success: hsl(208, 19%, 62%);
}

body.oh-app {
  background: radial-gradient(circle, #273238 0%, #111418 100%);
  color: var(--oh-text);
}

.oh-nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.oh-nav a,
.brand-logo {
  position: relative;
  z-index: 30;
}

.oh-nav a {
  color: var(--oh-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}

.oh-nav a:hover,
.oh-nav a.active {
  color: var(--oh-accent);
}

.nav-dropdown {
  align-self: stretch;
  display: flex;
  align-items: center;
}

.nav-dropdown-toggle {
  position: relative;
  z-index: 30;
  background: none;
  border: 0;
  color: var(--oh-muted);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
}

.nav-dropdown-toggle::after {
  content: "";
  display: inline-block;
  margin-left: 0.35rem;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  vertical-align: 0.15em;
}

.nav-dropdown-toggle.active,
.nav-dropdown:hover .nav-dropdown-toggle,
.nav-dropdown:focus-within .nav-dropdown-toggle {
  color: var(--oh-accent);
}

.nav-dropdown-menu {
  display: block;
  visibility: hidden;
  opacity: 0;
  pointer-events: auto;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: max-content;
  align-self: start;
  padding: 1.25rem 0 1.5rem;
  background: #141A1D;
  border-bottom: 1px solid var(--oh-border);
  z-index: 20;
  transition: visibility 0s linear 0.45s, opacity 0.12s linear 0.45s;
}

.nav-dropdown-menu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 72px;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown-menu:hover {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

.nav-mega {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 1.5rem;
}

.nav-mega-title {
  margin: 0 0 0.65rem;
  color: var(--oh-gold);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.28rem 0;
  color: var(--oh-text);
  font-size: 0.88rem;
  font-weight: 400;
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.active {
  color: var(--oh-gold);
}

@media (max-width: 960px) {
  .nav-mega {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .nav-mega {
    grid-template-columns: 1fr 1fr;
  }
}

.oh-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
}

.badge-gold {
  background: rgba(0, 0, 0, 0.2);
  color: var(--oh-gold);
  border: 1px solid hsl(165, 61%, 63%);
}

.badge-purple {
  background: rgba(0, 0, 0, 0.2);
  color: var(--oh-text);
  border: 1px solid var(--oh-border);
}

.badge-cyan {
  background: rgba(0, 0, 0, 0.2);
  color: var(--oh-text);
  border: 1px solid var(--oh-border);
}

/* Sub-header banner */
.oh-subbar {
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--oh-border);
  padding: 0.75rem 0;
  font-size: 0.85rem;
}

.oh-subbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stat-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pill {
  padding: 0.2rem 0.6rem;
  background: var(--oh-panel-sub);
  border: 1px solid var(--oh-border);
  border-radius: 0;
  color: var(--oh-muted);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

/* Once Human Hero */
.oh-hero {
  padding: 2.5rem 1.25rem 1.5rem;
}

.oh-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.oh-lead {
  color: var(--oh-muted);
  font-size: 1.05rem;
  max-width: 680px;
}

/* Tabs & Filters */
.oh-filters {
  display: flex;
  gap: 0.5rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--oh-panel);
  border: 1px solid var(--oh-border);
  color: var(--oh-muted);
  padding: 0.4rem 0.9rem;
  border-radius: 0;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--oh-accent);
  color: var(--oh-text);
  background: var(--oh-panel-sub);
}

/* Cards & Lists */
.build-grid,
.gear-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.hud-card {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--oh-border);
  border-radius: 0;
  padding: 1.25rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s, transform 0.15s;
}

.hud-card:hover {
  border-color: var(--oh-border-highlight);
  transform: translateY(-2px);
}

.hud-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.hud-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.hud-card h3 a {
  color: var(--oh-text);
  text-decoration: none;
}

.hud-card h3 a:hover {
  color: var(--oh-accent);
}

.hud-meta {
  color: var(--oh-muted);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.hud-slot-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.hud-slot-item {
  display: flex;
  justify-content: space-between;
  padding: 0.3rem 0.5rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 0;
  border-left: 3px solid var(--oh-border-highlight);
}

.hud-slot-label {
  color: var(--oh-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.hud-slot-value {
  color: var(--oh-text);
  font-weight: 500;
}

.hud-notes {
  font-size: 0.85rem;
  color: var(--oh-muted);
  background: rgba(0, 0, 0, 0.2);
  padding: 0.6rem;
  border-radius: 0;
  margin-bottom: 1rem;
  border-left: 2px solid var(--oh-gold);
}

.hud-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.75rem;
  border-top: 1px solid var(--oh-border);
}

/* Detail View Layout (Single Build) */
.build-detail {
  padding: 2rem 1.25rem 4rem;
}

.build-detail-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--oh-border);
  padding-bottom: 1.5rem;
}

.loadout-columns {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

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

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

.section-head {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--oh-accent);
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.loadout-slots {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.gear-slot-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: var(--oh-panel-sub);
  border: 1px solid var(--oh-border);
  border-radius: 0;
}

.gear-slot-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--oh-muted);
}

.gear-slot-main {
  font-size: 1rem;
  font-weight: 600;
}

.gear-slot-sub {
  font-size: 0.8rem;
  color: var(--oh-gold);
}

/* Summary / DPS Box */
.calc-summary-card {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--oh-border-highlight);
  border-radius: 0;
  padding: 1.5rem;
  position: sticky;
  top: 80px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--oh-border);
  font-size: 0.9rem;
}

.stat-row.total {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--oh-accent);
  border-top: 1px solid var(--oh-border-highlight);
  border-bottom: none;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
}

.tier-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
}

.tier-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0.75rem;
  align-items: stretch;
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--oh-border);
}

.tier-row-name {
  display: flex;
  align-items: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--oh-border);
  font-weight: 700;
}

.tier-row-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
}

.tier-card {
  display: flex;
  align-items: flex-end;
  min-height: 96px;
  padding: 0.9rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--oh-border);
  color: var(--oh-text);
  text-decoration: none;
  font-weight: 700;
}

.tier-card:hover {
  border-color: var(--oh-gold);
  color: var(--oh-gold);
}

@media (max-width: 720px) {
  .tier-top,
  .tier-row {
    grid-template-columns: 1fr;
  }
}

.disclaimer-box {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--oh-dim);
  line-height: 1.4;
}