/* Puerto Rico Tax Calculator - Custom Styles */

:root {
  /* Color Palette - Tropical Professional */
  --primary-blue: #0077BE;
  --primary-teal: #00A8CC;
  --accent-coral: #FF6B6B;
  --accent-gold: #FFD93D;
  --success-green: #6BCF7F;
  --dark-navy: #1A1A2E;
  --light-bg: #F8F9FA;
  --card-bg: #FFFFFF;

  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

/* Global Styles */
body {
  font-family: var(--font-body);
  background: linear-gradient(135deg, #F8F9FA 0%, #E3F2FD 100%);
  color: var(--dark-navy);
  line-height: 1.6;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }

/* Navbar */
.navbar-custom {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-teal) 100%) !important;
  box-shadow: var(--shadow-md);
  padding: var(--spacing-sm) 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero h1 {
  color: var(--dark-navy);
  margin-bottom: var(--spacing-md);
  font-size: 3.5rem;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: 1.25rem;
  color: #6B7280;
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero .highlight {
  color: var(--accent-coral);
  font-weight: 700;
}

/* Cards */
.card-custom {
  background: var(--card-bg);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-custom:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

/* Form Styling */
.form-label {
  font-weight: 600;
  color: var(--dark-navy);
  margin-bottom: var(--spacing-xs);
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

.form-control-custom {
  border: 2px solid #E5E7EB;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: #FAFAFA;
}

.form-control-custom:focus {
  border-color: var(--primary-teal);
  box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.1);
  outline: none;
  background: white;
}

.form-control-custom::placeholder {
  color: #9CA3AF;
}

/* Input Groups with Icons */
.input-group-icon {
  position: relative;
}

.input-group-icon::before {
  content: '$';
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #6B7280;
  font-weight: 600;
  z-index: 5;
  pointer-events: none;
}

.input-group-icon .form-control-custom {
  padding-left: 2.25rem;
}

/* Buttons */
.btn-custom-primary {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-teal));
  border: none;
  border-radius: var(--radius-md);
  padding: 1rem 2rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  letter-spacing: 0.5px;
}

.btn-custom-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 119, 190, 0.3);
  background: linear-gradient(135deg, var(--primary-teal), var(--primary-blue));
}

.btn-custom-secondary {
  background: white;
  border: 2px solid var(--primary-teal);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  color: var(--primary-teal);
  transition: all 0.3s ease;
}

.btn-custom-secondary:hover {
  background: var(--primary-teal);
  color: white;
  transform: translateX(4px);
}

/* Results Styling */
.results-hero {
  text-align: center;
  padding: var(--spacing-lg) 0;
  background: linear-gradient(135deg, rgba(107, 207, 127, 0.1), rgba(0, 168, 204, 0.1));
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
}

.savings-amount {
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--success-green), var(--primary-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: var(--spacing-md) 0;
}

.income-badge {
  display: inline-block;
  background: var(--accent-gold);
  color: var(--dark-navy);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: var(--shadow-sm);
}

/* Table Styling */
.table-custom {
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.table-custom thead {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-teal));
  color: white;
}

.table-custom thead th {
  padding: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
  border: none;
}

.table-custom tbody tr {
  transition: background 0.2s ease;
}

.table-custom tbody tr:hover {
  background: rgba(0, 168, 204, 0.05);
}

.table-custom tbody td {
  padding: 1rem;
  border-bottom: 1px solid #E5E7EB;
}

.table-custom tbody tr:last-child td {
  border-bottom: none;
}

.table-total {
  background: linear-gradient(135deg, rgba(0, 119, 190, 0.1), rgba(0, 168, 204, 0.1)) !important;
  font-weight: 700;
  font-size: 1.1rem;
}

/* Badges & Pills */
.badge-custom {
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.badge-success {
  background: var(--success-green);
  color: white;
}

.badge-info {
  background: var(--primary-teal);
  color: white;
}

/* Form Help Text */
.form-text-custom {
  font-size: 0.85rem;
  color: #6B7280;
  margin-top: 0.25rem;
  font-style: italic;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in {
  animation: slideIn 0.5s ease-out;
}

/* Chart Container */
.chart-container {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  margin: var(--spacing-lg) 0;
}

/* Footer */
footer {
  padding: var(--spacing-lg) 0;
  text-align: center;
  color: #6B7280;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .savings-amount {
    font-size: 3rem;
  }

  .card-custom {
    padding: var(--spacing-md);
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}

/* Loading State */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Tooltips */
.tooltip-custom {
  position: relative;
  display: inline-block;
  cursor: help;
  color: var(--primary-teal);
  font-weight: 600;
}

/* Feature Icons */
.feature-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-teal));
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}