/**
 * LeanWiseAI - Component Library
 *
 * @package LeanWiseAI
 */

/* ========================================
   BUTTONS
   ======================================== */

/* Base Button Styles */
.btn,
.button,
button[class*="btn-"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 14px 28px;
  font-family: var(--font-family);
  font-size: var(--font-size-button);
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn:focus,
.button:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(26, 77, 126, 0.2);
}

/* Primary Button */
.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Secondary Button - Light Theme */
.btn-secondary {
  background: transparent;
  color: var(--color-text-gray);
  border-color: var(--color-border);
}

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

/* Gradient Button */
.btn-gradient {
  background: var(--color-gradient);
  color: white;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #0F3A5F 0%, #0D9488 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-gradient:hover::before {
  opacity: 1;
}

.btn-gradient span {
  position: relative;
  z-index: 1;
}

/* Button Sizes */
.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 18px;
}

/* Button with Icon */
.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.btn-icon svg,
.btn-icon i {
  width: 20px;
  height: 20px;
}

/* ========================================
   CARDS
   ======================================== */

/* Base Card - Light Theme */
.card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

/* Card with Glow Effect */
.card-glow {
  position: relative;
}

.card-glow::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: var(--color-gradient);
  border-radius: var(--radius-card);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.card-glow:hover::before {
  opacity: 0.5;
}

/* Card Header */
.card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-button);
}

.card-icon svg,
.card-icon i {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.card-title {
  font-size: 20px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-dark);
  margin: 0;
}

/* Card Body */
.card-body {
  color: var(--color-text-gray);
  line-height: var(--line-height-base);
}

.card-body p:last-child {
  margin-bottom: 0;
}

/* Card Footer */
.card-footer {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* Feature Card (for homepage features) */
.feature-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.feature-card .card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
}

.feature-card .card-title {
  font-size: 24px;
  margin-bottom: var(--spacing-sm);
}

/* ========================================
   BADGES
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 999px;
  background: rgba(0, 102, 255, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.badge-primary {
  background: rgba(0, 102, 255, 0.15);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.badge-accent {
  background: rgba(0, 212, 255, 0.15);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ========================================
   ANIMATIONS
   ======================================== */

/* Fade In Animation */
.fade-in,
.animate-on-scroll {
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.fade-in.is-visible,
.animate-on-scroll.is-visible {
  opacity: 1;
}

/* Slide Up Animation */
.slide-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
}

.slide-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger Animation for Lists */
.animate-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
}

.animate-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.animate-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.animate-stagger.is-visible > *:nth-child(2) { transition-delay: 100ms; }
.animate-stagger.is-visible > *:nth-child(3) { transition-delay: 200ms; }
.animate-stagger.is-visible > *:nth-child(4) { transition-delay: 300ms; }
.animate-stagger.is-visible > *:nth-child(5) { transition-delay: 400ms; }

/* ========================================
   SECTION CONTAINERS
   ======================================== */

.section {
  padding: var(--spacing-4xl) 0;
}

.section-sm {
  padding: var(--spacing-3xl) 0;
}

.section-lg {
  padding: 120px 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 900px;
}

.container-wide {
  max-width: 1400px;
}

/* ========================================
   GRID LAYOUTS
   ======================================== */

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-muted); }
.text-dark { color: var(--color-text-dark); }
.text-gray { color: var(--color-text-gray); }

.bg-light { background-color: var(--color-bg-light); }
.bg-gray { background-color: var(--color-bg-gray); }
.bg-card { background-color: var(--color-bg-card); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }