:root {
  --color-background: #0d0d0d;
  --color-panel: #111111;
  --color-border: #2a2a2a;
  --color-accent-green: #4caf50;
  --color-accent-red: #e53935;
  --color-accent-cyan: #00bcd4;
  --color-accent-yellow: #f9a825;
  --color-text-primary: #e0e0e0;
  --color-text-dim: #666666;
  --color-best-result: #1a2e1a;
  --font-mono: 'Share Tech Mono', monospace;
  --font-display: 'Rajdhani', sans-serif;
}

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

body {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  min-height: 100vh;
}

#page-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

#site-header {
  border-left: 3px solid var(--color-accent-green);
  padding-left: 16px;
  margin-bottom: 40px;
}

#site-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-text-primary);
}

#site-subtitle {
  color: var(--color-text-dim);
  font-size: 0.85rem;
  margin-top: 4px;
}

.panel-heading {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  margin-bottom: 16px;
}

#input-panel {
  background-color: var(--color-panel);
  border: 1px solid var(--color-border);
  padding: 24px;
  margin-bottom: 24px;
}

#input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
}

.input-field {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 8px 10px;
  width: 100%;
  transition: border-color 0.2s;
}

.input-field:focus {
  outline: none;
  border-color: var(--color-accent-green);
}

.input-field::-webkit-inner-spin-button,
.input-field::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

#calculate-button {
  background-color: var(--color-accent-green);
  border: none;
  color: #000000;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 12px 32px;
  transition: opacity 0.2s;
}

#calculate-button:hover {
  opacity: 0.85;
}

#results-panel {
  background-color: var(--color-panel);
  border: 1px solid var(--color-border);
  padding: 24px;
  overflow-x: auto;
}

#results-placeholder {
  color: var(--color-text-dim);
  font-size: 0.85rem;
}

/* best result card */
#best-result-card {
  background-color: var(--color-best-result);
  border: 1px solid var(--color-accent-green);
  padding: 16px 20px;
  margin-bottom: 24px;
}

#best-result-label {
  color: var(--color-accent-green);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  margin-bottom: 6px;
}

#best-result-gems {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
}

#best-result-damage {
  color: var(--color-text-dim);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* results table */
#results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

#results-table th {
  color: var(--color-text-dim);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  padding: 8px 12px;
  text-align: right;
  border-bottom: 1px solid var(--color-border);
}

#results-table th:first-child {
  text-align: left;
}

#results-table td {
  padding: 10px 12px;
  text-align: right;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-accent-yellow);
}

#results-table td:first-child {
  text-align: left;
  color: var(--color-text-primary);
}

.gem-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  margin-right: 4px;
  white-space: nowrap;
}

.gem-tag-crit {
  background-color: #2e0d0d;
  color: #a52929;
  border: 1px solid #a52929;
}

.gem-tag-attack {
  background-color: #5c3a1e;
  color: var(--color-accent-yellow);
  border: 1px solid var(--color-accent-yellow);
}

.gem-tag-speed {
  background-color: #0d2a2e;
  color: var(--color-accent-cyan);
  border: 1px solid var(--color-accent-cyan);
}

@media (max-width: 600px) {
    #results-table th,
    #results-table td {
        padding: 6px 4px;
        font-size: 0.75rem;
        text-align: center;
    }

    .gem-tag {
        font-size: 0.6rem;
        padding: 2px 4px;
        margin-right: 2px;
    }
}