/* ============================================================================
   GENERAL LAYOUT
   ============================================================================ */

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #1e1e2e 0%, #2a2a3e 100%);
  color: #e0e0e0;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 40px;
  border-bottom: 2px solid #444;
  padding-bottom: 20px;
}

header h1 {
  font-size: 2.5em;
  margin-bottom: 8px;
  color: #ffd700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

header p {
  font-size: 1.1em;
  color: #b0b0b0;
}

/* ============================================================================
   TABS
   ============================================================================ */

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  border-bottom: 2px solid #444;
  flex-wrap: wrap;
}

.tab-button {
  padding: 12px 24px;
  background: #2a2a3e;
  border: 2px solid transparent;
  color: #b0b0b0;
  cursor: pointer;
  font-size: 1em;
  font-weight: 600;
  transition: all 0.3s ease;
  border-bottom: 3px solid transparent;
}

.tab-button:hover {
  background: #3a3a4e;
  color: #e0e0e0;
}

.tab-button.active {
  color: #ffd700;
  border-bottom-color: #ffd700;
  background: #3a3a4e;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ============================================================================
   SECTIONS & CARDS
   ============================================================================ */

.section-group {
  background: #2a2a3e;
  border: 1px solid #444;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.section-group h2 {
  color: #ffd700;
  margin-bottom: 16px;
  font-size: 1.4em;
}

.section-group h3 {
  color: #d4af37;
  margin-bottom: 12px;
  font-size: 1.1em;
}

.section-group h4 {
  color: #e0e0e0;
  margin-bottom: 8px;
}

.definition-card {
  background: #1a1a2a;
  border: 1px solid #444;
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 12px;
}

.definition-card h4 {
  color: #ffd700;
  margin: 0 0 8px 0;
}

.definition-card p {
  margin: 4px 0;
  color: #b0b0b0;
  font-size: 0.95em;
}

.definition-id {
  font-size: 0.75em;
  color: #666;
  font-family: monospace;
  margin-top: 8px;
}

.definitions-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.stat-attachment-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: #1a1a2a;
  border-radius: 4px;
  margin-bottom: 6px;
}

.stat-attachment-item label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  cursor: pointer;
  color: #b0b0b0;
  flex: 1;
}

/* ============================================================================
   FORM ELEMENTS
   ============================================================================ */

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  color: #d4af37;
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px;
  background: #1a1a2a;
  border: 1px solid #444;
  color: #e0e0e0;
  border-radius: 4px;
  font-size: 0.95em;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #ffd700;
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #666;
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
  font-weight: 600;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: linear-gradient(135deg, #ffd700, #ffed4e);
  color: #000;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ffed4e, #ffd700);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.btn-secondary {
  background: #444;
  color: #e0e0e0;
}

.btn-secondary:hover {
  background: #555;
  transform: translateY(-2px);
}

/* ============================================================================
   MATERIAL CARDS
   ============================================================================ */

.materials-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.material-card {
  background: #1a1a2a;
  border: 1px solid #444;
  border-radius: 6px;
  overflow: hidden;
}

.material-header {
  background: linear-gradient(90deg, #3a3a4e, #2a2a3e);
  padding: 12px 16px;
  border-bottom: 1px solid #444;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.material-header h4 {
  color: #ffd700;
  margin: 0;
}

.material-id {
  font-size: 0.75em;
  color: #888;
  font-family: monospace;
}

.material-body {
  padding: 16px;
}

.composition {
  margin-bottom: 12px;
}

.composition strong {
  color: #d4af37;
}

.comp-item {
  padding: 4px 0;
  color: #b0b0b0;
  font-size: 0.95em;
  margin-left: 12px;
}

.totals {
  background: #2a2a3e;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 0.95em;
}

.totals div {
  padding: 4px 0;
}

/* ============================================================================
   MATERIAL PREVIEW & REFINING
   ============================================================================ */

.material-preview {
  background: #1a1a2a;
  border: 1px solid #444;
  border-radius: 4px;
  padding: 12px;
  margin-bottom: 16px;
}

.preview-card {
  font-size: 0.95em;
}

.preview-card strong {
  color: #d4af37;
  display: block;
  margin-bottom: 8px;
}

.preview-card div {
  padding: 4px 0;
  color: #b0b0b0;
}

.refine-panel {
  background: #1a1a2a;
  border: 1px solid #444;
  border-radius: 6px;
  padding: 16px;
}

.junk-list {
  background: #2a2a3e;
  padding: 12px;
  border-radius: 4px;
  margin: 12px 0;
}

.junk-item {
  padding: 8px;
  display: flex;
  align-items: center;
}

.junk-item label {
  display: flex;
  align-items: center;
  margin: 0;
  cursor: pointer;
  color: #b0b0b0;
}

.junk-item input[type='checkbox'] {
  width: 16px;
  height: 16px;
  margin-right: 12px;
  cursor: pointer;
}

.refine-output {
  margin-top: 12px;
}

/* ============================================================================
   TEMPLATE INFO
   ============================================================================ */

.template-info {
  background: #1a1a2a;
  border: 1px solid #444;
  border-radius: 4px;
  padding: 12px;
  margin: 12px 0;
}

.template-card {
  font-size: 0.95em;
  line-height: 1.8;
}

.template-card strong {
  color: #d4af37;
}

.template-card ul {
  margin-left: 20px;
  margin-top: 8px;
}

.template-card li {
  color: #b0b0b0;
}

/* ============================================================================
   CRAFTING WORKFLOW
   ============================================================================ */

.crafting-workflow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.workflow-step {
  background: #1a1a2a;
  border: 2px solid #444;
  border-radius: 6px;
  padding: 16px;
}

.workflow-step h3 {
  color: #ffd700;
  margin-bottom: 16px;
  text-align: center;
}

.workflow-step select {
  width: 100%;
  margin-bottom: 12px;
}

/* ============================================================================
   STATS DISPLAY
   ============================================================================ */

.stats-display {
  background: #1a1a2a;
  border: 1px solid #444;
  border-radius: 4px;
  padding: 12px;
  margin: 12px 0;
  font-size: 0.95em;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid #333;
}

.stat-item:last-child {
  border-bottom: none;
}

.stat-item span {
  color: #d4af37;
  font-weight: 600;
}

.stat-item strong {
  color: #ffd700;
}

/* ============================================================================
   PART SLOTS
   ============================================================================ */

.part-slots {
  background: #1a1a2a;
  border: 1px solid #444;
  border-radius: 4px;
  padding: 16px;
  margin: 16px 0;
}

.slot {
  margin-bottom: 16px;
}

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

.slot label {
  display: block;
  margin-bottom: 6px;
  color: #d4af37;
  font-weight: 600;
}

.slot select {
  width: 100%;
}

/* ============================================================================
   INVENTORY
   ============================================================================ */

.inventory-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.inventory-card {
  background: #1a1a2a;
  border: 1px solid #444;
  border-radius: 6px;
  overflow: hidden;
}

.card-header {
  background: linear-gradient(90deg, #3a3a4e, #2a2a3e);
  padding: 12px 16px;
  border-bottom: 1px solid #444;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h4 {
  color: #ffd700;
  margin: 0;
  flex: 1;
}

.type-badge {
  background: #444;
  color: #ffd700;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.85em;
  font-weight: 600;
}

.card-body {
  padding: 16px;
  font-size: 0.95em;
}

.card-body > div {
  padding: 4px 0;
  color: #b0b0b0;
}

.card-body .stats-display {
  margin-top: 12px;
}

/* ============================================================================
   SYSTEMS
   ============================================================================ */

.systems-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.system-card {
  background: #1a1a2a;
  border: 1px solid #444;
  border-radius: 6px;
  padding: 16px;
}

.system-card h4 {
  color: #ffd700;
  margin-bottom: 8px;
}

.system-card p {
  color: #b0b0b0;
  margin-bottom: 12px;
  font-size: 0.95em;
}

.component-count {
  background: #2a2a3e;
  color: #d4af37;
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  font-weight: 600;
}

/* ============================================================================
   MESSAGES
   ============================================================================ */

.success {
  background: #1a3a1a;
  border: 1px solid #2a6a2a;
  color: #7fff7f;
  padding: 12px;
  border-radius: 4px;
  margin-top: 12px;
}

.empty {
  color: #888;
  font-style: italic;
  text-align: center;
  padding: 20px;
}

.output-message {
  margin-top: 16px;
}

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

@media (max-width: 768px) {
  .container {
    padding: 12px;
  }

  header h1 {
    font-size: 1.8em;
  }

  .tabs {
    flex-direction: column;
  }

  .tab-button {
    width: 100%;
    text-align: left;
  }

  .crafting-workflow {
    grid-template-columns: 1fr;
  }

  .materials-list,
  .inventory-list,
  .systems-list {
    grid-template-columns: 1fr;
  }

  .section-group {
    padding: 16px;
  }
}