/* ================================
   Game Evaluation Model – MLB UI
   White + Blue System
=================================== */

:root {
  /* Core palette */
  --color-blue-primary: #1E6BD6;
  --color-blue-secondary: #3A7CEB;
  --color-blue-dark: #0F2A4A;
  --color-blue-tint: #F2F7FF;

  --color-white: #FFFFFF;
  --color-gray: #6E6E6E;
  --color-gray-light: #E0E8F5;

  /* Semantic */
  --color-success: #1E9D4C;
  --color-warning: #E6A800;
  --color-danger: #D64545;

  /* Spacing */
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
}

/* Global */

body {
  margin: 0;
  padding: var(--space-xl);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background-color: var(--color-white);
  color: var(--color-blue-dark);
  display: flex;
  justify-content: center;
}

.app-container {
  max-width: 1100px;
  width: 100%;
}

/* Page title */

.app-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-blue-dark);
  margin-bottom: var(--space-lg);
}

/* Sections */

.section {
  background-color: var(--color-blue-tint);
  border: 1px solid var(--color-gray-light);
  border-radius: 10px;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.section-header {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-blue-dark);
  margin-bottom: var(--space-md);
}

/* Input grid */

.input-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.form-field {
  display: flex;
  flex-direction: column;
}

.form-label {
  color: var(--color-blue-secondary);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.form-input {
  background-color: var(--color-white);
  border: 2px solid var(--color-blue-secondary);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 16px;
  color: var(--color-blue-dark);
  width: 100%;
  box-sizing: border-box;
}

.form-input:hover {
  border-color: var(--color-blue-primary);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-blue-primary);
  box-shadow: 0 0 0 3px rgba(30, 107, 214, 0.25);
}

.form-input:disabled {
  background-color: var(--color-blue-tint);
  border-color: var(--color-gray-light);
  color: var(--color-gray);
}

/* Buttons */

.button-row {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.btn {
  min-width: 140px;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  border: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

/* Primary */

.btn-primary {
  background-color: var(--color-blue-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-blue-secondary);
}

.btn-primary:active {
  background-color: var(--color-blue-dark);
}

.btn-primary:disabled {
  background-color: var(--color-gray-light);
  color: var(--color-gray);
  cursor: not-allowed;
}

/* Secondary */

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-blue-primary);
  border: 2px solid var(--color-blue-primary);
}

.btn-secondary:hover {
  background-color: var(--color-blue-tint);
}

.btn-secondary:active {
  background-color: var(--color-gray-light);
}

.btn-secondary:disabled {
  border-color: var(--color-gray-light);
  color: var(--color-gray);
  cursor: not-allowed;
}

/* Model output */

.output-section {
  background-color: var(--color-blue-tint);
  border: 1px solid var(--color-gray-light);
  border-radius: 10px;
  padding: var(--space-lg);
}

.output-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: 6px;
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.output-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-blue-dark);
}

.output-value {
  font-size: 16px;
  font-weight: 600;
}

/* Semantic value colors */

.output-value--success {
  color: var(--color-success);
}

.output-value--warning {
  color: var(--color-warning);
}

.output-value--danger {
  color: var(--color-danger);
}

/* Utility spacing */

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}