/* UMT Factory Optimizer - Styles */
:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #222632;
  --bg-hover: #2a2e3d;
  --border: #333848;
  --text-primary: #e8eaf0;
  --text-secondary: #9ca3b4;
  --text-muted: #6b7280;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-dim: #78500b;
  --success: #22c55e;
  --danger: #ef4444;
  --info: #3b82f6;
  --purple: #a855f7;
  --cyan: #06b6d4;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 8px;
  --radius-lg: 12px;
}

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

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  font-size: 15px;
}

/* Scale up for high-res monitors */
@media (min-width: 1600px) {
  body { font-size: 16px; }
}

@media (min-width: 2000px) {
  body { font-size: 17px; }
}

/* Header - compact single-line */
header {
  background: linear-gradient(135deg, #1a1d27 0%, #22263280 100%);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  flex-wrap: wrap;
}

/* Row 1: logo + nav stay together. Row 2: prestige items wrap below */
@media (max-width: 1400px) {
  .header-content {
    gap: 0.5rem;
  }
  .header-items-bar {
    flex-basis: 100%;
    margin-left: 0;
    padding-top: 0.4rem;
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 900px) {
  .header-content {
    padding: 0.4rem 0.75rem;
    gap: 0.4rem;
  }
  .logo h1 { font-size: 0.9rem; }
  nav { gap: 0.3rem; }
  .nav-btn { padding: 0.35rem 0.6rem; font-size: 0.75rem; }
  .prestige-header-item { font-size: 0.7rem; }
  .prestige-header-item input[type="number"] { width: 30px; height: 22px; font-size: 0.7rem; }
  .prestige-spinner button { width: 18px; height: 18px; font-size: 0.75rem; }
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 1.3rem;
  color: var(--accent);
}

.logo h1 {
  font-size: 1.1rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  display: none;
}

nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}

.nav-btn:hover { border-color: var(--accent-dim); color: var(--text-primary); }
.nav-btn.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}

/* Robux Items Bar - inline in header */
.header-items-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  margin-left: auto;
  flex-wrap: wrap;
  padding: 0;
  background: none;
  border: none;
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.robux-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.robux-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.2s;
}

.robux-toggle:hover { color: var(--text-primary); }

.robux-toggle input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
}

.header-items-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.header-items-divider {
  color: var(--border);
  font-size: 0.8rem;
}

.prestige-header-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: default;
}

.prestige-header-item input[type="number"],
.prestige-header-item input[type="text"] {
  width: 38px;
  height: 26px;
  padding: 0.15rem 0.25rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  text-align: center;
  -moz-appearance: textfield;
}

.prestige-header-item input[type="text"] {
  width: auto;
  min-width: 42px;
  max-width: 70px;
  cursor: default;
}

.prestige-header-item input[type="number"]::-webkit-outer-spin-button,
.prestige-header-item input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.prestige-header-item input[type="number"]:focus {
  border-color: var(--accent);
  outline: none;
}

/* Custom +/- buttons for prestige inputs */
.prestige-spinner {
  display: flex;
  align-items: center;
  gap: 2px;
}

.prestige-spinner button {
  width: 22px;
  height: 22px;
  padding: 0;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.prestige-spinner button:hover {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

/* Main */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

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

/* Config Panel */
.config-bar {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.config-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 120px;
}

.config-item:first-child {
  flex: 1;
  min-width: 180px;
}

.config-item label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.config-item .hint {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.config-item input[type="number"],
.config-item select {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  width: 100%;
  -moz-appearance: textfield;
}

.config-item input[type="number"]::-webkit-inner-spin-button,
.config-item input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.config-item input:disabled,
.config-item select:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.config-item input:focus,
.config-item select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.toggle-group {
  justify-content: center;
}

.toggle-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  text-transform: none;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.toggle-group input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.btn-primary:hover { background: var(--accent-hover); }

/* Results */
.results-panel {
  margin-bottom: 1.5rem;
}

.results-panel h2 {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.results-subtitle {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.hidden { display: none !important; }

.chain-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  transition: border-color 0.2s;
}

.chain-card:hover { border-color: var(--accent-dim); }

.chain-card.best {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.1);
}

/* Best badge removed - accent border is sufficient */

.chain-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chain-name {
  font-weight: 600;
  font-size: 1rem;
}

.chain-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--success);
}

.chain-details {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.chain-detail {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.chain-detail strong { color: var(--text-primary); font-family: var(--font-mono); }

.chain-multiplier {
  color: var(--cyan);
  font-weight: 600;
}

/* Info Panel */
.info-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.info-panel h3 {
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
  margin-top: 1rem;
}

.info-panel h3:first-child { margin-top: 0; }

.prestige-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.5rem;
}

.prestige-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.85rem;
  padding: 0.4rem 0.5rem;
  background: var(--bg-primary);
  border-radius: var(--radius);
}

.prestige-item-row span { color: var(--text-secondary); }
.prestige-item-row em { color: var(--purple); font-style: normal; font-size: 0.75rem; }

.prestige-item-row input {
  width: 50px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.25rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
}

.theoretical-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  align-self: center;
  margin-top: 0.6rem;
}

.theoretical-toggle input { accent-color: var(--cyan); width: 14px; height: 14px; cursor: pointer; }

/* Progression */
.section-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

/* Depth Summary */
.depth-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.depth-summary-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.depth-info {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.depth-info h3 {
  font-size: 1.1rem;
  color: var(--accent);
  margin: 0;
}

.depth-layers {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.depth-pickaxe {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.depth-resources {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.depth-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
  display: block;
  margin-bottom: 0.35rem;
}

.depth-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.ore-tag, .gem-tag {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.ore-tag em, .gem-tag em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--success);
}

.gem-tag { border-color: #ec489930; }
.gem-tag em { color: #f472b6; }

/* Ore breakdown in chain cards */
.ore-breakdown {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
}

.ore-breakdown-item {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
}

.ore-breakdown-item strong {
  color: var(--text-primary);
  font-weight: 500;
  margin-right: 0.25rem;
}

.chain-value small {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 0.25rem;
}

/* Graph visualization */
.graph-container {
  margin-top: 0.5rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 200px;
}

.graph-wrapper {
  width: 100%;
  overflow: auto;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}

.chain-graph-svg {
  display: block;
  min-width: 100%;
}

.graph-node:hover rect:first-child {
  filter: brightness(1.2);
}

/* Chain breakdown toggle (shared with graph) */
.chain-breakdown-toggle {
  font-size: 0.75rem;
  color: var(--info);
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-main);
  padding: 0.25rem 0;
  margin-top: 0.4rem;
}

.chain-breakdown-toggle:hover { text-decoration: underline; }

.chain-breakdown {
  display: none;
  margin-top: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-primary);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.chain-breakdown.open { display: block; }

/* Section header */
.flow-section {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 0.6rem 0 0.15rem;
  font-weight: 700;
  font-family: var(--font-main);
}

/* Each step = a horizontal bar, flows top to bottom naturally */
.flow-step {
  display: flex;
  align-items: center;
  padding: 0.3rem 0.5rem;
  margin: 1px 0;
  border-radius: 3px;
  position: relative;
  gap: 0.5rem;
}

.flow-machine { flex: 1; color: var(--text-primary); font-size: 0.75rem; }
.flow-effect { color: var(--text-muted); font-size: 0.7rem; white-space: nowrap; }
.flow-value { color: var(--success); font-weight: 600; min-width: 55px; text-align: right; white-space: nowrap; }

/* Color-coded left border by type */
.flow-step { border-left: 3px solid var(--border); }
.flow-step.s-flat { border-left-color: var(--success); background: #22c55e08; }
.flow-step.s-mult { border-left-color: var(--cyan); background: #06b6d408; }
.flow-step.s-combine { border-left-color: var(--accent); background: #f59e0b08; }
.flow-step.s-sell { border-left-color: var(--success); background: #22c55e10; }
.flow-step.s-dup { border-left-color: #f472b6; background: #f472b610; }
.flow-step.s-section { border-left: none; padding: 0; }

/* Loop-back: right-side arrow indicator */
.flow-step.s-loop {
  border-left-color: var(--purple);
  border-right: 3px solid var(--purple);
  background: #a855f710;
}

.flow-step.s-loop .flow-machine { color: var(--purple); }

/* Loop-back group: right-side bracket with bent arrow */
.flow-loop-group {
  position: relative;
  margin-right: 0;
}

/* Make loop steps shorter so bracket is visible */
.flow-loop-group .flow-step {
  margin-right: 28px;
}

/* Bracket with bends top and bottom */
.flow-loop-group::before {
  content: "";
  position: absolute;
  right: 8px;
  top: 0.3rem;
  bottom: 0.3rem;
  width: 14px;
  border-right: 2px solid var(--purple);
  border-top: 2px solid var(--purple);
  border-bottom: 2px solid var(--purple);
  border-top-right-radius: 6px;
  border-bottom-right-radius: 6px;
}

/* Arrow: triangle at top-left of bracket pointing left */
.flow-loop-group::after {
  content: "";
  position: absolute;
  right: 8px;
  top: calc(0.3rem - 4px);
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-right: 7px solid var(--purple);
}

/* Color legend */
.flow-legend {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.4rem 0.5rem;
  margin-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.6rem;
  font-family: var(--font-main);
  color: var(--text-muted);
}

.flow-legend-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.flow-legend-color {
  width: 12px;
  height: 3px;
  border-radius: 1px;
}

.flow-legend-color.c-flat { background: var(--success); }
.flow-legend-color.c-mult { background: var(--cyan); }
.flow-legend-color.c-combine { background: var(--accent); }
.flow-legend-color.c-loop { background: var(--purple); }
.flow-legend-color.c-dup { background: #f472b6; }
.flow-legend-color.c-sell { background: var(--success); }

.flow-step.s-dup .flow-machine { color: #f472b6; }
.flow-step.s-combine .flow-machine { color: var(--accent); font-weight: 500; }
.flow-step.s-mult .flow-effect { color: var(--cyan); }
.flow-step.s-flat .flow-effect { color: var(--success); }

.phase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
  position: relative;
  border-left: 3px solid var(--accent);
}

.phase-card::before {
  content: attr(data-phase);
  position: absolute;
  top: -0.6rem;
  left: 1rem;
  background: var(--accent);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.phase-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.phase-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.phase-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.phase-meta span { font-family: var(--font-mono); }

.phase-actions {
  list-style: none;
  padding: 0;
}

.phase-actions li {
  padding: 0.35rem 0;
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.phase-actions li::before {
  content: "\25B8";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

/* Progression stages */
.stage-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
  position: relative;
}

.stage-card::before {
  content: attr(data-phase);
  position: absolute;
  top: -0.6rem;
  left: 1rem;
  background: var(--accent);
  color: var(--bg-primary);
  padding: 0.1rem 0.6rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.stage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.stage-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.stage-budget {
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.stage-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.stage-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.stage-ore {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stage-best {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-left: 3px solid var(--success);
}

.stage-best-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stage-best-chain {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.stage-best-value {
  font-family: var(--font-mono);
  color: var(--success);
  font-weight: 700;
  margin-left: auto;
}

.stage-purchases {
  margin-bottom: 0.75rem;
}

.stage-graph-container {
  overflow-x: auto;
  margin-top: 0.5rem;
}

.stage-graph-container svg {
  min-width: 100%;
}

.stage-priority h4 {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.priority-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.priority-item {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

/* Prestige Info Box */
.prestige-info-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.prestige-info-box h3 {
  color: var(--purple);
  margin-bottom: 0.75rem;
}

/* Database */
.db-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.db-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 0.85rem;
  transition: all 0.2s;
}

.db-btn:hover { border-color: var(--accent-dim); color: var(--text-primary); }
.db-btn.active { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 600; }

.db-content { display: none; }
.db-content.active { display: block; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table thead th {
  background: var(--bg-card);
  padding: 0.6rem 0.75rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
}

.data-table tbody td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

.data-table tbody tr:hover { background: var(--bg-hover); }

.data-table .mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.data-table .value-cell {
  color: var(--success);
  font-family: var(--font-mono);
  font-weight: 600;
}

.data-table .cost-cell {
  color: var(--accent);
  font-family: var(--font-mono);
}

.data-table .medal-cell {
  color: var(--purple);
  font-family: var(--font-mono);
}

/* Machine cards */
.machine-filter {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.75rem;
  transition: all 0.2s;
}

.filter-btn:hover { color: var(--text-primary); border-color: var(--accent-dim); }
.filter-btn.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent-dim); }

.machine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
}

.machine-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  transition: border-color 0.2s;
}

.machine-card:hover { border-color: var(--accent-dim); }

.machine-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.machine-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.machine-cost {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  white-space: nowrap;
}

.machine-category {
  display: inline-block;
  font-size: 0.65rem;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cat-metalwork { background: #7c3aed20; color: #a78bfa; }
.cat-stonework { background: #6b728020; color: #9ca3af; }
.cat-glasswork { background: #06b6d420; color: #22d3ee; }
.cat-electronics { background: #3b82f620; color: #60a5fa; }
.cat-jewelcrafting { background: #ec489920; color: #f472b6; }
.cat-explosives { background: #ef444420; color: #f87171; }
.cat-multipurpose { background: #22c55e20; color: #4ade80; }
.cat-prestige { background: #a855f720; color: #c084fc; }

.machine-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.machine-multiplier {
  display: inline-block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
}

/* Equipment sections */
.equipment-sections {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.equipment-sections h3 {
  color: var(--accent);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

/* Connections Database */
#connections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0.5rem;
}

.connection-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem;
  font-size: 0.8rem;
}

.conn-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 0.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
}

.conn-effect {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 0.8rem;
}

.conn-row {
  display: flex;
  gap: 0.4rem;
  padding: 0.15rem 0;
  font-size: 0.75rem;
}

.conn-label {
  color: var(--text-muted);
  min-width: 60px;
  flex-shrink: 0;
}

.conn-types {
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.conn-output { color: var(--success); }
.conn-byproduct { color: var(--accent); }
.conn-tag { color: var(--purple); font-family: var(--font-mono); font-size: 0.7rem; }

/* Footer */
footer {
  max-width: 1200px;
  margin: 3rem auto 1rem;
  padding: 1.5rem;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover { text-decoration: underline; }

/* ==================== RESPONSIVE ==================== */

/* Tablet */
@media (max-width: 768px) {
  main { padding: 1rem; }

  /* Config */
  .config-bar { gap: 0.75rem; }
  .config-item label { font-size: 0.65rem; }
  .config-section { padding: 1rem; }

  /* Chain results */
  .chain-header { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
  .chain-value { font-size: 1.2rem; }
  .chain-details { flex-wrap: wrap; gap: 0.3rem; }
  .chain-detail { font-size: 0.7rem; }

  /* Graphs */
  .graph-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .graph-wrapper { min-width: 600px; }

  /* Database */
  .machine-grid { grid-template-columns: 1fr; }
  .equipment-sections { grid-template-columns: 1fr; }
  .income-grid { grid-template-columns: 1fr 1fr; }
  #connections-grid { grid-template-columns: 1fr; }

  /* Progression */
  .stage-header { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .stage-meta { flex-wrap: wrap; }
  .stage-best { flex-wrap: wrap; }

  /* Data tables */
  .data-table { font-size: 0.75rem; }
  .data-table th, .data-table td { padding: 0.4rem 0.5rem; }

  /* Footer */
  footer { padding: 1rem; margin-top: 2rem; }
}

/* Mobile */
@media (max-width: 600px) {
  main { padding: 0.75rem; }

  /* Header - stacked rows on mobile */
  .header-content {
    display: flex;
    flex-direction: column;
    padding: 0.3rem 0.5rem;
    gap: 0.25rem;
    align-items: stretch;
  }
  .logo { align-self: flex-start; }
  .logo h1 { font-size: 0.85rem; }
  .logo-icon { font-size: 1rem; }
  nav {
    display: flex;
    gap: 0.2rem;
    width: 100%;
  }
  .nav-btn {
    flex: 1;
    padding: 0.35rem 0.2rem;
    font-size: 0.65rem;
    text-align: center;
    white-space: nowrap;
  }

  /* Prestige items: collapsible on mobile */
  .header-items-bar {
    flex-basis: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.3rem;
    padding-top: 0.3rem;
    border-top: 1px solid var(--border);
  }
  .header-items-label { display: none; }
  .header-items-divider { display: none; }
  .robux-toggle { font-size: 0.7rem; grid-column: span 3; }
  .prestige-header-item {
    font-size: 0.65rem;
    gap: 0.15rem;
    flex-direction: column;
    align-items: center;
    background: var(--bg-primary);
    border-radius: 4px;
    padding: 0.2rem;
  }
  .prestige-header-item input[type="number"] { width: 28px; height: 20px; font-size: 0.65rem; }
  .prestige-spinner button { width: 16px; height: 16px; font-size: 0.65rem; }

  /* Config */
  .config-bar { flex-direction: column; gap: 0.5rem; }
  .config-section { padding: 0.75rem; }
  .config-section h2 { font-size: 1rem; }
  .config-item input, .config-item select { font-size: 0.85rem; height: 36px; }
  #btn-optimize { width: 100%; padding: 0.6rem; font-size: 0.9rem; }

  /* Chain results */
  .chain-card { padding: 0.75rem; }
  .chain-name { font-size: 0.85rem; }
  .chain-value { font-size: 1.1rem; }
  .chain-details { flex-direction: column; gap: 0.2rem; }
  .chain-detail { font-size: 0.7rem; }
  .chain-breakdown-toggle { font-size: 0.75rem; padding: 0.3rem 0.6rem; }
  .ore-breakdown { flex-wrap: wrap; }
  .ore-breakdown-item { font-size: 0.7rem; padding: 0.2rem 0.4rem; }

  /* Graphs on mobile - horizontal scroll */
  .graph-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .graph-wrapper { min-width: 500px; touch-action: pan-x pan-y; }

  /* Progression */
  .stage-card { padding: 0.75rem; }
  .stage-name { font-size: 0.95rem; }
  .stage-budget, .stage-ore { font-size: 0.75rem; }
  .stage-best { flex-direction: column; gap: 0.3rem; }
  .stage-best-value { margin-left: 0; }
  .priority-list { gap: 0.3rem; }
  .priority-item { font-size: 0.7rem; padding: 0.2rem 0.4rem; }

  /* Database */
  .db-nav { flex-wrap: wrap; gap: 0.3rem; }
  .db-btn { padding: 0.3rem 0.6rem; font-size: 0.75rem; }
  .ore-grid, .gem-grid { grid-template-columns: 1fr; }
  .machine-grid { grid-template-columns: 1fr; }
  .machine-card { padding: 0.6rem; }

  /* Income grid */
  .income-grid { grid-template-columns: 1fr; }

  /* Prestige cost table */
  .prestige-info-box { padding: 0.75rem; }

  /* Footer */
  footer { font-size: 0.7rem; padding: 0.75rem; }
}

/* Small mobile */
@media (max-width: 360px) {
  .header-content { padding: 0.3rem; }
  .logo h1 { font-size: 0.75rem; }
  .nav-btn { padding: 0.25rem 0.35rem; font-size: 0.65rem; }
  main { padding: 0.5rem; }
  .config-section { padding: 0.5rem; }
  .chain-card { padding: 0.5rem; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chain-card, .phase-card, .stage-card, .machine-card {
  animation: fadeIn 0.3s ease-out;
}

/* Rarity colors */
.rarity-common { color: #9ca3af; }
.rarity-uncommon { color: #4ade80; }
.rarity-rare { color: #60a5fa; }
.rarity-very-rare { color: #c084fc; }
.rarity-extremely-rare { color: #f59e0b; }