/* ==========================================================================
   Alphabet Shift Spectrum - Laptop/PC Styles (min-width: 900px)
   ========================================================================== */

/* Header */
.app-header {
  padding: var(--spacing-lg);
}

.app-header h1 {
  font-size: 2rem;
}

/* Tab Navigation */
.tab-button {
  padding: var(--spacing-md) var(--spacing-xl);
}

/* Container */
.container {
  max-width: 1200px;
  padding: var(--spacing-xl);
}

/* Input Container */
.input-container {
  padding-bottom: var(--spacing-xl);
}

/* Input Section */
.input-section {
  padding: var(--spacing-xl) var(--spacing-xl);
}

#generate-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

/* Shift Results - Single column, centered */
.shift-results {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

/* Frequency Table */
.freq-table {
  min-width: auto;
}

.freq-table th,
.freq-table td {
  min-width: 32px;
}

/* Heatmap - Fit within container, no scroll */
.heatmap-grid {
  min-width: auto;
  grid-template-columns: 3rem repeat(26, 1fr);
  gap: 2px;
}

.heatmap-header {
  font-size: 0.75rem;
  padding: 0.25rem;
}

.heatmap-row-label {
  font-size: 0.75rem;
  min-width: 3rem;
}

.heatmap-cell {
  font-size: 0.75rem;
  min-height: 1.625rem;
  padding: 0.125rem;
}

/* Filter Results - Side by side */
.filter-results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.filter-group {
  min-width: auto;
}