/* ==========================================================================
   Unified Component Styles - AI Tools Intelligence Hub
   
   Consistent component styles using design tokens
   Import this after design-tokens.css
   ========================================================================== */

/* ==========================================================================
   Cards
   ========================================================================== */

.card,
.tool-card,
.bp-guide-card,
.bp-path-card,
.bp-gem-card,
.feature-card,
.metric-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6); /* 24px consistent padding */
  transition: all var(--transition-base);
}

.card:hover,
.tool-card:hover,
.bp-guide-card:hover,
.bp-path-card:hover,
.feature-card:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Card Headers */
.card-header,
.tool-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-primary);
}

.card-title,
.tool-name {
  font-size: var(--text-xl); /* 20px for readability */
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2) 0;
  line-height: var(--leading-tight);
}

.card-subtitle,
.tool-category {
  font-size: var(--text-sm); /* 14px minimum */
  color: var(--color-text-secondary);
  margin: 0;
}

/* Card Content */
.card-body,
.tool-content {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: var(--leading-normal);
}

.card-description,
.tool-description {
  font-size: var(--text-sm); /* 14px minimum */
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-3);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn,
.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm); /* 14px minimum */
  font-weight: var(--font-medium);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

/* Primary Button */
.btn-primary,
.button-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-primary:hover,
.button-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active,
.button-primary:active {
  background: var(--color-primary-active);
  border-color: var(--color-primary-active);
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary,
.button-secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border-color: var(--color-border-primary);
}

.btn-secondary:hover,
.button-secondary:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-secondary);
}

/* ==========================================================================
   Badges & Tags
   ========================================================================== */

.badge,
.tag,
.label {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm); /* 14px minimum */
  font-weight: var(--font-medium);
  line-height: 1;
  border-radius: var(--radius-sm);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-primary);
  white-space: nowrap;
}

.badge-primary,
.tag-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.badge-success,
.tag-success {
  background: var(--color-success);
  color: white;
  border-color: var(--color-success);
}

.badge-warning,
.tag-warning {
  background: var(--color-warning);
  color: white;
  border-color: var(--color-warning);
}

.badge-error,
.tag-error {
  background: var(--color-error);
  color: white;
  border-color: var(--color-error);
}

/* ==========================================================================
   Form Elements
   ========================================================================== */

.input,
.select,
.textarea,
input[type="text"],
input[type="search"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base); /* 16px for better mobile UX */
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.input:hover,
.select:hover,
.textarea:hover,
input:hover,
select:hover,
textarea:hover {
  border-color: var(--color-border-secondary);
}

.input:focus,
.select:focus,
.textarea:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Form Labels */
.label,
label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm); /* 14px minimum */
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav-link {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm); /* 14px minimum */
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-radius: var(--radius-md);
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-hover);
}

.nav-link.active {
  color: var(--color-primary);
  background: rgba(59, 130, 246, 0.1);
}

/* ==========================================================================
   Lists
   ========================================================================== */

.list-item {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-primary);
  transition: all var(--transition-fast);
}

.list-item:hover {
  background: var(--color-bg-hover);
}

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

/* ==========================================================================
   Tooltips
   ========================================================================== */

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-content {
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm); /* 14px minimum */
  line-height: 1;
  color: white;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
}

.tooltip:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Text Sizes - Enforce minimums */
.text-xs { font-size: var(--text-xs); } /* Use sparingly */
.text-sm { font-size: var(--text-sm); } /* 14px minimum */
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }

/* Spacing Utilities */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); } /* Default card padding */

/* Margin Utilities */
.m-0 { margin: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }

/* Color Utilities */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-blue { color: var(--color-primary); } /* Only ONE blue */

.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-tertiary { background-color: var(--color-bg-tertiary); }

/* Border Utilities */
.border { border: 1px solid var(--color-border-primary); }
.border-secondary { border-color: var(--color-border-secondary); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }

/* Shadow Utilities */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }