/* =========================================
   DINO MUTANT T-REX — RUNE BUILDER
   Dark stone-age fantasy aesthetic
   ========================================= */

:root {
  --bg-deep:       #0a0c10;
  --bg-mid:        #111520;
  --bg-card:       #161c2a;
  --bg-card-hover: #1d2538;
  --border:        #2a3348;
  --border-bright: #3d4f6e;

  --text-primary:  #e8dfc8;
  --text-muted:    #7a8aaa;
  --text-dim:      #4a5570;

  /* Tier colors */
  --blue:   #5b9bd5;
  --green:  #6bbf59;
  --yellow: #e8c840;
  --orange: #e8862a;
  --red:    #e83838;

  --blue-glow:   rgba(91, 155, 213, 0.25);
  --green-glow:  rgba(107, 191, 89, 0.25);
  --yellow-glow: rgba(232, 200, 64, 0.25);
  --orange-glow: rgba(232, 134, 42, 0.25);
  --red-glow:    rgba(232, 56, 56, 0.25);

  /* Build accent colors */
  --a-color: #5b9bd5;
  --b-color: #e8862a;

  --radius: 8px;
  --radius-lg: 14px;
  --font-display: 'Cinzel', serif;
  --font-body: 'Rajdhani', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  min-height: 100vh;
  overflow-x: hidden;
  letter-spacing: 0.02em;
}

/* ---- Background ---- */
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(91,155,213,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,155,213,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.bg-vignette {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(5,7,12,0.85) 100%);
}

/* ---- Header ---- */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 12, 16, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-dino { font-size: 28px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-title {
  font-family: var(--font-display);
  font-size: 26px; font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}
.logo-sub { font-size: 13px; color: var(--text-muted); letter-spacing: 0.12em; text-transform: uppercase; }

.tab-nav { display: flex; gap: 4px; }
.tab-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}
.tab-btn:hover { color: var(--text-primary); border-color: var(--border-bright); }
.tab-btn.active {
  color: var(--yellow);
  border-color: var(--yellow);
  background: rgba(232, 200, 64, 0.08);
}

/* ---- Main Layout ---- */
main {
  position: relative; z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

.tab-section { display: none; }
.tab-section.active { display: block; }

/* ---- Fighter Bar ---- */
.fighter-bar {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.fighter-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  flex: 1;
  min-width: 220px;
}
.fighter-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.fighter-inputs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.fighter-inputs label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
}
.fighter-inputs input[type="number"] {
  background: var(--bg-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  padding: 8px 10px;
  width: 100px;
  transition: border-color 0.2s;
  -moz-appearance: textfield;
}
.fighter-inputs input[type="number"]::-webkit-inner-spin-button,
.fighter-inputs input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; }
.fighter-inputs input[type="number"]:focus {
  outline: none;
  border-color: var(--yellow);
}
.input-unit {
  position: absolute;
  right: 10px; bottom: 10px;
  font-size: 12px; color: var(--text-muted);
}

/* ---- Saves Card ---- */
.saves-card { flex: 1.5; }
.save-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
#build-name {
  flex: 1;
  min-width: 120px;
  background: var(--bg-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 7px 12px;
  transition: border-color 0.2s;
}
#build-name:focus { outline: none; border-color: var(--yellow); }
.btn-small {
  border: 1px solid;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 14px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-a {
  color: var(--a-color);
  border-color: var(--a-color);
  background: rgba(91,155,213,0.08);
}
.btn-a:hover { background: rgba(91,155,213,0.2); }
.btn-b {
  color: var(--b-color);
  border-color: var(--b-color);
  background: rgba(232,134,42,0.08);
}
.btn-b:hover { background: rgba(232,134,42,0.2); }

.saved-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 80px;
  overflow-y: auto;
}
.saved-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 10px;
  font-size: 12px;
  color: var(--text-muted);
}
.saved-item-name { cursor: pointer; }
.saved-item-name:hover { color: var(--yellow); }
.saved-load-a, .saved-load-b {
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  padding: 2px 5px;
  border-radius: 4px;
  border: none;
  letter-spacing: 0.05em;
}
.saved-load-a { background: rgba(91,155,213,0.2); color: var(--a-color); }
.saved-load-a:hover { background: rgba(91,155,213,0.4); }
.saved-load-b { background: rgba(232,134,42,0.2); color: var(--b-color); }
.saved-load-b:hover { background: rgba(232,134,42,0.4); }
.saved-delete { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 13px; line-height: 1; }
.saved-delete:hover { color: var(--red); }

/* ---- Builds Wrapper ---- */
.builds-wrapper {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: start;
}
.vs-divider {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 56px;
}
.vs-divider span {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
}

/* ---- Build Panel ---- */
.build-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.panel-badge {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 5px 14px;
  border-radius: var(--radius);
  border: 1px solid;
}
.badge-a { color: var(--a-color); border-color: var(--a-color); background: rgba(91,155,213,0.1); }
.badge-b { color: var(--b-color); border-color: var(--b-color); background: rgba(232,134,42,0.1); }
.btn-clear {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-clear:hover { border-color: var(--red); color: var(--red); }

/* ---- Rune Grid (in build panel) ---- */
.rune-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(82px, 1fr));
  gap: 8px;
  margin-bottom: 20px;
}

.rune-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--bg-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 6px 8px;
  cursor: pointer;
  transition: all 0.18s;
  position: relative;
  user-select: none;
}
.rune-slot:hover { border-color: var(--border-bright); background: var(--bg-card-hover); }

.rune-slot.active.tier-blue   { border-color: var(--blue);   background: rgba(91,155,213,0.12); box-shadow: 0 0 12px var(--blue-glow); }
.rune-slot.active.tier-green  { border-color: var(--green);  background: rgba(107,191,89,0.12); box-shadow: 0 0 12px var(--green-glow); }
.rune-slot.active.tier-yellow { border-color: var(--yellow); background: rgba(232,200,64,0.12); box-shadow: 0 0 12px var(--yellow-glow); }
.rune-slot.active.tier-orange { border-color: var(--orange); background: rgba(232,134,42,0.12); box-shadow: 0 0 12px var(--orange-glow); }
.rune-slot.active.tier-red    { border-color: var(--red);    background: rgba(232,56,56,0.12);  box-shadow: 0 0 12px var(--red-glow); }

.rune-icon {
  width: 44px; height: 44px;
  object-fit: contain;
  opacity: 0.45;
  transition: opacity 0.18s;
  border-radius: 4px;
}
.rune-slot.active .rune-icon { opacity: 1; }
.rune-slot:not(.active):hover .rune-icon { opacity: 0.65; }

.rune-slot-name {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.rune-slot.active .rune-slot-name { color: var(--text-primary); }

.rune-level-badge {
  position: absolute;
  top: 4px; right: 4px;
  font-size: 9px;
  font-weight: 700;
  color: var(--bg-deep);
  border-radius: 3px;
  padding: 1px 4px;
  line-height: 1.4;
  opacity: 0;
  transition: opacity 0.18s;
}
.rune-slot.active .rune-level-badge { opacity: 1; }
.tier-blue   .rune-level-badge { background: var(--blue); }
.tier-green  .rune-level-badge { background: var(--green); }
.tier-yellow .rune-level-badge { background: var(--yellow); }
.tier-orange .rune-level-badge { background: var(--orange); }
.tier-red    .rune-level-badge { background: var(--red); }

/* ---- Level Selector (in slot) ---- */
.rune-level-select {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border-bright);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 4px;
  cursor: pointer;
  text-align: center;
  margin-top: 2px;
  display: none;
}
.rune-slot.active .rune-level-select { display: block; }
.rune-level-select:focus { outline: none; border-color: var(--yellow); }

/* ---- Results Card ---- */
.results-card {
  background: var(--bg-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-size: 13px;
  min-height: 80px;
}
.results-empty {
  color: var(--text-dim);
  text-align: center;
  padding: 16px 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.results-section-title {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 10px 0 6px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 4px;
}
.results-section-title:first-child { margin-top: 0; }

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3px 0;
}
.stat-label { color: var(--text-muted); font-size: 12px; }
.stat-value {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.stat-value.pos { color: var(--green); }
.stat-value.neg { color: var(--red); }
.stat-value.highlight { color: var(--yellow); font-size: 15px; }

.stat-change {
  font-size: 10px;
  margin-left: 6px;
  font-weight: 500;
}
.stat-change.up { color: var(--green); }
.stat-change.down { color: var(--red); }

/* ---- Reference Tab ---- */
.reference-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 16px;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--border-bright); color: var(--text-primary); }
.filter-btn.active { background: var(--bg-card-hover); color: var(--yellow); border-color: var(--yellow); }
.filter-btn[data-tier="blue"].active    { color: var(--blue);   border-color: var(--blue);   background: rgba(91,155,213,0.1); }
.filter-btn[data-tier="green"].active   { color: var(--green);  border-color: var(--green);  background: rgba(107,191,89,0.1); }
.filter-btn[data-tier="yellow"].active  { color: var(--yellow); border-color: var(--yellow); background: rgba(232,200,64,0.1); }
.filter-btn[data-tier="orange"].active  { color: var(--orange); border-color: var(--orange); background: rgba(232,134,42,0.1); }
.filter-btn[data-tier="red"].active     { color: var(--red);    border-color: var(--red);    background: rgba(232,56,56,0.1); }

.reference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.ref-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ref-card:hover { border-color: var(--border-bright); background: var(--bg-card-hover); transform: translateY(-2px); }
.ref-card.tier-blue:hover   { border-color: var(--blue);   box-shadow: 0 4px 20px var(--blue-glow); }
.ref-card.tier-green:hover  { border-color: var(--green);  box-shadow: 0 4px 20px var(--green-glow); }
.ref-card.tier-yellow:hover { border-color: var(--yellow); box-shadow: 0 4px 20px var(--yellow-glow); }
.ref-card.tier-orange:hover { border-color: var(--orange); box-shadow: 0 4px 20px var(--orange-glow); }
.ref-card.tier-red:hover    { border-color: var(--red);    box-shadow: 0 4px 20px var(--red-glow); }

.ref-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ref-icon {
  width: 44px; height: 44px;
  object-fit: contain;
  border-radius: 6px;
  flex-shrink: 0;
}
.ref-card-titles { flex: 1; min-width: 0; }
.ref-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ref-tier-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  margin-top: 4px;
  display: inline-block;
}
.tier-blue   .ref-tier-badge { background: rgba(91,155,213,0.2);  color: var(--blue); }
.tier-green  .ref-tier-badge { background: rgba(107,191,89,0.2);  color: var(--green); }
.tier-yellow .ref-tier-badge { background: rgba(232,200,64,0.2);  color: var(--yellow); }
.tier-orange .ref-tier-badge { background: rgba(232,134,42,0.2);  color: var(--orange); }
.tier-red    .ref-tier-badge { background: rgba(232,56,56,0.2);   color: var(--red); }

.ref-freq {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.ref-stat-preview {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}
.ref-stat-preview strong { color: var(--text-primary); font-weight: 600; }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(5, 7, 12, 0.88);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 560px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none;
  color: var(--text-dim);
  font-size: 18px; cursor: pointer;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--text-primary); }

.modal-rune-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.modal-icon { width: 60px; height: 60px; object-fit: contain; border-radius: 8px; }
.modal-rune-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.level-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 12px;
}
.level-table th {
  text-align: left;
  padding: 6px 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
.level-table td {
  padding: 5px 8px;
  border-bottom: 1px solid rgba(42,51,72,0.5);
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.level-table tr:hover td { background: var(--bg-mid); color: var(--text-primary); }
.level-table td:first-child { color: var(--text-dim); font-weight: 600; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .builds-wrapper {
    grid-template-columns: 1fr;
  }
  .vs-divider {
    padding-top: 0;
    justify-content: center;
  }
  .vs-divider span { transform: rotate(90deg); }
}
@media (max-width: 600px) {
  .header-inner { flex-direction: column; height: auto; padding: 12px; gap: 12px; }
  main { padding: 12px; }
  .fighter-bar { flex-direction: column; }
}

/* ---- Bonuses card layout ---- */
.bonuses-card { flex: 1.4; }
.bonuses-inner {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.bonus-group { flex: 1; }
.bonus-divider {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  margin-top: 28px;
}

/* ---- Skins / Constellation selects ---- */
.fighter-inputs select {
  background: var(--bg-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 10px;
  width: 96px;
  cursor: pointer;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%237a8aaa'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
  background-color: var(--bg-mid);
  padding-right: 26px;
}
.fighter-inputs select:focus {
  outline: none;
  border-color: var(--yellow);
}
.fighter-inputs select option {
  background: var(--bg-card);
  color: var(--text-primary);
}