/* ============================================================
   GOLDEN ARK SYSTEMS · COMPONENT LIBRARY
   Modular, reusable components — every part of the UI.
   Use accent classes (.acc-gold, .acc-blue, etc) to recolor.
   ============================================================ */

/* ============================================================
   01 · NAVIGATION
   ============================================================ */
.gas-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 16, 0.97);
  border-bottom: 1px solid var(--border-gold);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  overflow-x: auto;
  scrollbar-width: none;
}
.gas-nav::-webkit-scrollbar { display: none; }

.gas-nav__brand {
  font-family: var(--font-title);
  font-size: 22px;
  letter-spacing: 4px;
  color: var(--gold);
  padding: 16px 24px 16px 0;
  border-right: 1px solid var(--border-gold);
  text-shadow: 0 0 24px var(--gold-glow);
  white-space: nowrap;
  flex-shrink: 0;
}

.gas-nav__tabs {
  display: flex;
  gap: 4px;
  align-items: center;
  flex: 1;
}

.gas-nav__tab {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  white-space: nowrap;
  transition: all var(--dur-fast) var(--ease);
  display: flex;
  align-items: center;
}
.gas-nav__tab:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.gas-nav__tab.is-active {
  color: var(--gold);
  background: var(--gold-dim);
  border-color: var(--border-gold);
}

.gas-nav__status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--green);
  flex-shrink: 0;
}
.gas-nav__status .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s var(--ease) infinite;
}

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ============================================================
   02 · METRIC CARD (KPI)
   ============================================================ */
.metric-card {
  background: var(--dark-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  position: relative;
  transition: all var(--dur-mid) var(--ease);
  overflow: hidden;
}
.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--accent, var(--gold));
  opacity: 0.7;
}
.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent, var(--border-gold));
  box-shadow: var(--shadow-2);
}
.metric-card .label { margin-bottom: var(--space-2); }
.metric-card .value {
  font-family: var(--font-title);
  font-size: 38px;
  letter-spacing: 1.5px;
  color: var(--accent, var(--gold));
  line-height: 1.05;
}
.metric-card .desc {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: var(--space-3);
  line-height: 1.5;
}

/* ============================================================
   03 · MODULE CARD (Vertical entry tile)
   ============================================================ */
.module-card {
  background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark-3) 100%);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: all var(--dur-mid) var(--ease);
  overflow: hidden;
  cursor: pointer;
  min-height: 260px;
}
.module-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, var(--accent-dim, var(--gold-dim)) 0%, transparent 60%);
  opacity: 0.6;
  pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease);
}
.module-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent, var(--gold));
  box-shadow: var(--shadow-3), 0 0 32px var(--accent-dim, var(--gold-dim));
}
.module-card:hover::after { opacity: 1; }

.module-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-2);
}
.module-card__icon {
  font-size: 24px;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim, var(--gold-dim));
  border: 1px solid var(--accent, var(--gold));
  border-radius: var(--radius-md);
}
.module-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-muted);
}
.module-card__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--accent, var(--gold));
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.module-card__title {
  font-family: var(--font-title);
  font-size: 28px;
  letter-spacing: 2px;
  color: var(--text);
  position: relative;
  z-index: 1;
  line-height: 1.05;
}
.module-card__desc {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
  position: relative;
  z-index: 1;
  flex: 1;
}
.module-card__cta {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--accent, var(--gold));
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.module-card__count {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* ============================================================
   04 · ARTIFACT TILE (Individual document link)
   ============================================================ */
.artifact-tile {
  background: var(--dark-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: all var(--dur-fast) var(--ease);
  cursor: pointer;
  position: relative;
  border-left: 3px solid var(--accent, var(--gold));
  text-decoration: none;
  color: inherit;
  padding-right: 48px;
}
.artifact-tile:hover {
  background: var(--dark-3);
  transform: translateX(4px);
  box-shadow: var(--shadow-1);
}
.artifact-tile__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  line-height: 1.3;
}
.artifact-tile__meta {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  text-transform: uppercase;
}
.artifact-tile__arrow {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent, var(--gold));
  font-family: var(--font-mono);
  font-size: 16px;
  opacity: 0.4;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.artifact-tile:hover .artifact-tile__arrow {
  opacity: 1;
  transform: translateY(-50%) translateX(4px);
}

/* ============================================================
   05 · SECTION HEADER
   ============================================================ */
.section-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-soft);
  flex-wrap: wrap;
}
.section-head__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent, var(--gold));
}
.section-head__title {
  font-family: var(--font-title);
  font-size: 30px;
  letter-spacing: 3px;
  color: var(--text);
}
.section-head__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-left: auto;
  text-transform: uppercase;
}

/* ============================================================
   06 · BADGE
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--accent-dim, var(--gold-dim));
  color: var(--accent, var(--gold));
  border: 1px solid var(--accent, var(--gold));
}

/* ============================================================
   07 · SEARCH BAR
   ============================================================ */
.search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--dark-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 0 var(--space-4);
  margin-bottom: var(--space-6);
  transition: border-color var(--dur-mid) var(--ease), box-shadow var(--dur-mid) var(--ease);
}
.search-bar:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 24px var(--gold-dim);
}
.search-bar__icon {
  font-size: 14px;
  color: var(--text-muted);
}
.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  padding: 14px 0;
  text-transform: uppercase;
}
.search-bar input::placeholder {
  color: var(--text-muted);
  letter-spacing: 2px;
}
.search-bar__clear {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--text-muted);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--dur-fast) var(--ease);
}
.search-bar__clear:hover {
  color: var(--gold);
  background: var(--gold-dim);
}
.search-bar__count {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  white-space: nowrap;
}
.search-bar__count strong { color: var(--gold); font-weight: 700; }

/* ============================================================
   08 · KPI STRIP (per-vertical metric row)
   ============================================================ */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-soft);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  overflow: hidden;
  border: 1px solid var(--border-soft);
}
.kpi-strip__item {
  background: var(--dark-2);
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
}
.kpi-strip__item::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--accent, var(--gold));
  opacity: 0.7;
}
.kpi-strip__item .label {
  font-size: 9px;
  margin: 0;
}
.kpi-strip__item strong {
  font-family: var(--font-title);
  font-size: 26px;
  letter-spacing: 1.5px;
  color: var(--accent, var(--gold));
  font-weight: 400;
  line-height: 1;
}
.kpi-strip__item .sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--text-dim);
}

@media (max-width: 820px) {
  .kpi-strip { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .kpi-strip { grid-template-columns: 1fr; }
}

/* ============================================================
   09 · PRIMARY ARTIFACT TILE (highlighted unified entry)
   ============================================================ */
.artifact-tile.is-primary {
  background: linear-gradient(135deg, var(--dark-3) 0%, var(--dark-2) 60%);
  border-left-width: 4px;
  border-color: var(--accent, var(--gold));
  padding-top: var(--space-5);
}
.artifact-tile.is-primary::before {
  content: 'PRIMARY';
  position: absolute;
  top: var(--space-3);
  right: var(--space-7);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 1.5px;
  padding: 2px 6px;
  background: var(--accent, var(--gold));
  color: var(--dark-1);
  border-radius: 2px;
  font-weight: 700;
}
.artifact-tile.is-primary .artifact-tile__title {
  font-size: 16px;
  color: var(--accent, var(--gold));
}

/* ============================================================
   10 · NO-RESULTS EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-5);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 1px dashed var(--border-soft);
  border-radius: var(--radius-md);
  display: none;
}
.empty-state.is-shown { display: block; }
.empty-state strong { color: var(--gold); display: block; font-size: 16px; margin-bottom: var(--space-2); }