:root {
  --primary: #c9a84c;
  --primary-dark: #a8872e;
  --primary-light: #e4d5a0;
  --bg: #1a1a1a;
  --bg-card: #242424;
  --bg-input: #1e1e1e;
  --bg-hover: #2e2e2e;
  --text: #e8e0d0;
  --text-dim: #9e9688;
  --text-bright: #fff;
  --border: #3a3632;
  --border-light: #4a4640;
  --danger: #c94c4c;
  --danger-hover: #e05555;
  --success: #4cc94c;
  --error-bg: #3a2020;
  --error-border: #6e3030;
  --error-text: #e88;
  --note-bg: #2a2620;
  --note-border: #4a4230;
  --radius: 8px;
  --radius-sm: 5px;
  --radius-lg: 12px;
  --font-display: 'Cinzel', serif;
  --font-body: 'Alegreya', serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

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

.app {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.header {
  text-align: center;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border);
}

.header h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2rem;
  color: var(--primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.subtitle {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0;
}

.tab {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 10px 20px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
  letter-spacing: 0.5px;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.section-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  margin-top: 4px;
}

.edition-pills {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.pill {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 22px;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  background: var(--bg-card);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}

.pill:hover {
  border-color: var(--primary-dark);
  color: var(--text);
}

.pill.active {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}

.stat-input {
  width: 100%;
  min-height: 160px;
  padding: 14px 16px;
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  resize: vertical;
  transition: border-color 0.2s;
}

.stat-input:focus {
  outline: none;
  border-color: var(--primary);
}

.stat-input::placeholder {
  color: var(--text-dim);
  opacity: 0.6;
}

.example-btns {
  display: flex;
  gap: 8px;
  margin: 12px 0 16px;
  flex-wrap: wrap;
}

.example-btn {
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
}

.example-btn:hover {
  border-color: var(--primary-dark);
  color: var(--primary);
  background: var(--bg-hover);
}

.convert-btn {
  width: 100%;
  padding: 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--bg);
  cursor: pointer;
  transition: all 0.2s;
}

.convert-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201, 168, 76, 0.3);
}

.convert-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.loading-bar {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 12px;
}

.loading-bar-inner {
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 2px;
  animation: loadSlide 1.2s ease-in-out infinite;
}

@keyframes loadSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

.error-msg {
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  border-radius: var(--radius-sm);
  color: var(--error-text);
  font-size: 0.9rem;
}

.divider {
  height: 2px;
  background: var(--border);
  margin: 28px 0;
  border-radius: 1px;
}

.result-area {
  animation: fadeIn 0.3s ease;
}

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

.result-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.result-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--primary);
}

.result-actions {
  display: flex;
  gap: 6px;
}

.icon-btn {
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-body);
}

.icon-btn:hover {
  border-color: var(--primary-dark);
  color: var(--primary);
  background: var(--bg-hover);
}

.icon-btn.danger:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.stat-block {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
}

.stat-line {
  padding: 2px 0;
}

.stat-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-core {
  color: var(--text-bright);
  font-weight: 500;
}

.stat-abilities {
  color: var(--primary-light);
  font-size: 0.85rem;
}

.stat-alignment {
  color: var(--text-dim);
  font-style: italic;
}

.stat-special {
  color: var(--text);
  padding-left: 8px;
  border-left: 2px solid var(--border);
  margin: 2px 0;
}

.conversion-notes {
  margin-top: 16px;
}

.conversion-notes details {
  border: 1px solid var(--note-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.conversion-notes summary {
  padding: 10px 14px;
  background: var(--note-bg);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.conversion-notes summary:hover {
  color: var(--primary);
}

.note-grid {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.note-item {
  display: flex;
  gap: 10px;
  font-size: 0.85rem;
  line-height: 1.5;
  align-items: baseline;
}

.note-field {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--primary);
  min-width: 48px;
  flex-shrink: 0;
  font-size: 0.8rem;
}

.note-text {
  color: var(--text-dim);
}

/* History Tab */
.history-tab {
  min-height: 200px;
}

.history-loading {
  text-align: center;
  padding: 40px 0;
  color: var(--text-dim);
  font-style: italic;
}

.history-empty {
  text-align: center;
  padding: 48px 0;
}

.history-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

.history-empty-text {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-dim);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.history-empty-sub {
  color: var(--text-dim);
  opacity: 0.7;
  font-size: 0.9rem;
}

.history-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 16px;
  transition: border-color 0.2s;
}

.history-card:hover {
  border-color: var(--border-light);
}

.history-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.history-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.history-card-title h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
}

.history-edition-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--note-bg);
  border: 1px solid var(--note-border);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.history-card-actions {
  display: flex;
  gap: 6px;
}

.history-stat-block {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-dim);
  padding: 10px 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  max-height: 180px;
  overflow-y: auto;
}

.history-stat-block .stat-line {
  padding: 1px 0;
}

.history-date {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text-dim);
  opacity: 0.6;
  text-align: right;
  font-family: var(--font-mono);
}

.footer-divider {
  margin-top: 32px;
}

.footer-rule {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  opacity: 0.5;
  padding: 12px 0;
  letter-spacing: 0.3px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

@media (max-width: 480px) {
  .app {
    padding: 16px 12px 40px;
  }

  .header h1 {
    font-size: 1.5rem;
  }

  .tab {
    padding: 8px 14px;
    font-size: 0.85rem;
  }

  .example-btns {
    flex-direction: column;
  }

  .example-btn {
    text-align: center;
  }

  .history-card-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}