/* ========================================
   NEPAL TAX CALCULATOR - REFACTORED CSS
   ======================================== */

/* ==================== CSS VARIABLES ==================== */
:root {
  /* Primary Colors */
  --primary-blue: #1e40af;
  --primary-blue-light: #3b82f6;
  --primary-blue-dark: #1e3a8a;
  
  /* Accent Colors */
  --accent-green: #059669;
  --accent-green-light: #10b981;
  --accent-red: #dc2626;
  --accent-orange: #ea580c;
  
  /* Nepal Flag Colors */
  --nepal-red: #dc143c;
  --nepal-blue: #003893;
  
  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace, Consolas, 'Courier New';
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

/* ==================== GLOBAL STYLES ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--gray-800);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  min-height: 100vh;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

*:focus {
  outline: none;
}

/* ==================== CONTAINER ==================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md);
  position: relative;
}

/* ==================== HEADER ==================== */
.header {
  text-align: center;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
  color: var(--white);
  padding: var(--spacing-2xl) var(--spacing-xl);
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.025em;
  position: relative;
  z-index: 1;
}

.header p {
  font-size: 1.25rem;
  opacity: 0.9;
  font-weight: 400;
  position: relative;
  z-index: 1;
}

.header i {
  margin-right: var(--spacing-sm);
  font-size: 1.1em;
}

/* Version Badges */
.version-inline,
.version-inline-below {
  display: inline-block;
  background: var(--accent-green);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  margin: var(--spacing-sm) var(--spacing-sm) 0 0;
}

/* ==================== LAYOUT ==================== */
.main-content {
  display: grid;
  grid-template-columns: 1fr 1.28fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  overflow: hidden;               /* prevent grid children from overflowing */
}

/* Shared Section Styles */
.form-section,
.results-section,
.chart-container {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--gray-200);
  min-width: 0;                   /* allow grid children to shrink below content size */
  overflow-wrap: break-word;      /* break long words */
}

.results-section {
  /* Results now flow naturally with the page. */
}

/* ==================== SECTION TITLES ==================== */
.section-title {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--gray-100);
}

.section-title i {
  color: var(--primary-blue);
  margin-right: var(--spacing-sm);
  font-size: 1.25rem;
}

.section-title h2 {
  color: var(--gray-800);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

/* ==================== FORMS ==================== */
.form-group {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-mono);
  background: var(--white);
  transition: all var(--transition-normal);
  color: var(--gray-800);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background: var(--gray-50);
}

.form-group input:hover,
.form-group select:hover {
  border-color: var(--gray-400);
}

.form-group input::placeholder {
  color: var(--gray-400);
  font-style: italic;
}

.form-group input[type="number"] {
  flex: 1;
}

.form-group select {
  width: 150px;
}

/* ==================== RADIO OPTIONS ==================== */
.radio-group {
  display: flex;
  flex-direction: row;
  gap: 20px;
  margin-bottom: 30px;
  justify-content: center;
}

.radio-option {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 15px 30px;
  border-radius: 8px;
  transition: all 0.3s ease;
  border: 2px solid var(--gray-300);
  background: var(--white);
  min-width: 120px;
  text-align: center;
  gap: 8px;
}

.radio-option:hover {
  background: var(--gray-50);
  border-color: var(--primary-blue);
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

/* Unified selected state for BOTH options */
.radio-option:has(input[type="radio"]:checked) {
  background: var(--primary-blue);
  border-color: var(--primary-blue);
}

.radio-label {
  font-size: 16px;
  color: var(--gray-700);
  transition: all 0.3s ease;
  user-select: none;
  font-weight: 500;
}

/* Text color changes to white when selected (for both) */
.radio-option:has(input[type="radio"]:checked) .radio-label {
  color: var(--white);
}

/* ==================== CHECKBOXES ==================== */
.checkBox {
  margin: 10px 0;
  padding: 0;
}

.checkBox label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 16px;
  color: #333;
  user-select: none;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s ease;
  font-family: var(--font-mono);
}

.checkBox label:hover {
  background: var(--gray-100);
}

.checkBox input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 30px;
  height: 30px;
  border: 2px solid var(--primary-blue);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
  position: relative;
}

.checkBox input[type="checkbox"]:checked {
  background-color: var(--primary-blue);
}

.checkBox input[type="checkbox"]:checked::after {
  content: "✓";
  position: absolute;
  color: white;
  font-size: 20px;
  font-weight: bold;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  line-height: 1;
}

/* ==================== TOOLTIPS & INFO ICONS ==================== */
.info-icon {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  cursor: help;
  font-size: 1.1rem;
  z-index: 10;
  transition: color var(--transition-fast);
}

.info-icon:hover {
  color: var(--primary-blue);
}

.tooltip {
  position: absolute;
  bottom: 100%;
  right: 0;
  background: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

.info-icon:hover .tooltip {
  opacity: 1;
  transform: translateY(-8px);
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  right: var(--spacing-md);
  border: 4px solid transparent;
  border-top-color: var(--gray-900);
}

/* ==================== RESULT CARDS ==================== */
.result-card,
.result-card-Income-Tax-Liability {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.result-card::before,
.result-card-Income-Tax-Liability::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
}

.result-card:hover,
.result-card-Income-Tax-Liability:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.result-card h3,
.result-card-Income-Tax-Liability h3 {
  color: var(--gray-600);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.result-card .amount {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
  font-family: var(--font-mono);
  letter-spacing: -0.025em;
}

/* Tax Liability Card */
.result-card-Income-Tax-Liability {
  background: linear-gradient(135deg, #fef2f2 0%, var(--white) 100%);
}

.result-card-Income-Tax-Liability::before {
  background: linear-gradient(90deg, var(--accent-red) 0%, #f87171 100%);
}

.result-card-Income-Tax-Liability .amount {
  color: var(--accent-red);
}

.amount-wrapper {
  display: flex;
  justify-content: space-around;
  margin-top: var(--spacing-sm);
}

.amount-line {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 0.5rem;
}

.amount-label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-500);
  font-family: var(--font-primary);
}

/* ==================== TAX BREAKDOWN ==================== */
.tax-breakdown {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--gray-200);
}

.tax-breakdown h3 {
  color: var(--gray-800);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
}

.tax-breakdown h3 i {
  margin-right: var(--spacing-sm);
  color: var(--primary-blue);
}

.breakdown-item {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.95rem;
}

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

.breakdown-item.total {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 2px solid var(--gray-300);
  border-bottom: none;
  font-size: 1.1rem;
}

/* ==================== BREAKDOWN TABLE ==================== */
.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-top: var(--spacing-lg);
  table-layout: fixed;            /* prevent table from expanding beyond container */
}

.breakdown-table th,
.breakdown-table td {
  overflow: hidden;
  text-overflow: ellipsis;
}

.breakdown-table th {
  background: var(--gray-800);
  color: white;
  font-weight: 600;
  padding: var(--spacing-md);
  text-align: left;
  font-size: 0.9rem;
}

.breakdown-table th:nth-child(2),
.breakdown-table th:nth-child(3) {
  text-align: right;
}

.breakdown-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
}

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

.breakdown-table tr:hover {
  background: var(--gray-50);
}

.deduction-label {
  color: var(--gray-700);
  font-weight: 500;
}

.deduction-annual,
.deduction-monthly {
  color: var(--gray-800);
  font-weight: 600;
  font-family: var(--font-mono);
  text-align: right;
}

.empty-monthly {
  color: var(--gray-500);
  font-style: italic;
  text-align: right;
}

.total-row {
  background: var(--gray-50) !important;
  border-top: 2px solid var(--primary-blue);
}

.total-row td {
  font-weight: 600;
  font-size: 1.1rem;
  padding: var(--spacing-lg) var(--spacing-md);
}

/* ==================== INSURANCE SECTION ==================== */
.insurance-net-cost-section {
  background: #f8fafc;
  border-radius: 8px;
  padding: 1.5em 1em;
  margin: 2em 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.insurance-net-cost-section h3 {
  font-size: 1.2em;
  margin-bottom: 1em;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.insurance-net-cost-table {
  display: flex;
  flex-direction: column;
  gap: 0.75em;
  margin-bottom: 0.5em;
}

.insurance-row {
  display: flex;
  justify-content: space-between;
  font-size: 1em;
  padding: 0.5em 0;
  border-bottom: 1px solid var(--gray-200);
}

.insurance-label {
  color: var(--gray-700);
}

.insurance-value {
  font-weight: bold;
  color: var(--accent-green);
}

.insurance-note {
  font-size: 0.95em;
  color: var(--gray-500);
  margin-top: 0.5em;
}

/* ==================== RECOMMENDATIONS ==================== */
.recommendation {
  background: linear-gradient(135deg, #ecfdf5 0%, var(--white) 100%);
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.recommendation h3 {
  color: var(--accent-green);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
}

.recommendation h3 i {
  margin-right: var(--spacing-sm);
}

.recommendation ul {
  list-style: none;
  padding: 0;
}

.recommendation li {
  padding: var(--spacing-sm) 0;
  color: var(--gray-700);
  position: relative;
  padding-left: var(--spacing-lg);
}

.recommendation li::before {
  content: '💡';
  position: absolute;
  left: 0;
  top: var(--spacing-sm);
}

/* ==================== CHARTS SECTION ==================== */
.charts-section {
  grid-column: 1 / -1;
  margin-top: var(--spacing-xl);
}

.chart-container {
  margin-bottom: var(--spacing-xl);
}

/* Progress Bars */
.progress-bar {
  height: 12px;
  background: var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
  border-radius: var(--radius-sm);
  transition: width var(--transition-slow);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
  animation: shine 2s ease-in-out infinite;
}

@keyframes shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ==================== SAVINGS OPTIONS ==================== */
.savings-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.savings-option {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-normal);
}

.savings-option:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-blue);
}

.savings-option i {
  font-size: 2rem;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
}

.savings-option h4 {
  color: var(--gray-800);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.savings-option p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ==================== TAX SAVING GRID ==================== */
.tax-saving-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.tax-saving-card {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-align: left;
}

.tax-saving-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-green) 100%);
}

.tax-saving-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.tax-saving-card h3 {
  color: var(--gray-800);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
}

.tax-saving-card h3 i {
  margin-right: var(--spacing-sm);
  color: var(--primary-blue);
}

.tax-saving-card p {
  color: var(--gray-600);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* ==================== FLOATING BUTTON ==================== */
.floating-button {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.floating-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ==================== FLOATING TABLE (Draggable) ==================== */
.floating-table {
  position: fixed;
  top: 80px;
  right: 20px;
  height: auto; /* CRITICAL: Prevents vertical stretching when JS sets top/bottom */
  background: var(--white);
  border: 2px solid var(--primary-blue);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  font-size: 0.9rem;
  min-width: 280px;
  max-width: calc(100vw - 40px);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  
  /* Universal Mobile Touch Fixes */
  touch-action: none; 
  -webkit-touch-callout: none; 
}

.floating-table:active {
  cursor: grabbing;
}

/* Applied via JS when dragging starts */
.floating-table.dragging {
  transform: scale(1.03);
  box-shadow: 0 15px 35px rgba(30, 64, 175, 0.25);
  opacity: 0.95;
  z-index: 10000;
  transition: none; /* Disable transition during drag for 1:1 finger tracking */
}

.floating-table table {
  width: 100%;
  border-collapse: collapse;
}

.floating-table th {
  text-align: left;
  padding: 4px 8px;
  color: var(--gray-600);
  font-weight: 500;
  white-space: nowrap;
}

.floating-table td {
  text-align: right;
  padding: 4px 8px;
  font-weight: 700;
  color: var(--primary-blue);
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* ==================== MODAL OVERLAY ==================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-xl);
  animation: modalSlideIn 0.3s ease-out;
}

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

.modal-content h2 {
  color: var(--gray-800);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.modal-content h3 {
  color: var(--primary-blue);
  font-size: 1.1rem;
  font-weight: 600;
  margin: var(--spacing-lg) 0 var(--spacing-md);
}

.modal-content h4 {
  color: var(--gray-700);
  font-size: 1rem;
  font-weight: 600;
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.modal-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
}

.modal-content table th,
.modal-content table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--gray-200);
  text-align: left;
  font-size: 0.9rem;
}

.modal-content table th {
  background: var(--gray-100);
  font-weight: 600;
  color: var(--gray-700);
}

.modal-content p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.modal-content ul {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.modal-content li {
  color: var(--gray-600);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-xs);
}

.close-btn {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-lg);
  font-size: 2rem;
  color: var(--gray-400);
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-fast);
  background: none;
  border: none;
}

.close-btn:hover {
  color: var(--gray-800);
}

/* ==================== ADVANCED OPTIONS ==================== */
.advanced-options {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, opacity 0.3s ease-out;
  opacity: 0;
}

.advanced-options.open {
  max-height: 1000px;
  opacity: 1;
  transition: max-height 0.5s ease-in, opacity 0.3s ease-in;
}

#toggleAdvancedBtn {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--gray-50);
  border: 1.5px dashed var(--gray-300);
  border-radius: var(--radius-md);
  color: var(--gray-600);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  margin-bottom: var(--spacing-lg);
}

#toggleAdvancedBtn:hover {
  background: var(--gray-100);
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

/* ==================== FOOTER ==================== */
.privacy-footer {
  background: var(--gray-800);
  color: var(--gray-300);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-2xl);
}

.privacy-footer .container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.privacy-footer .privacy-notice {
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.privacy-footer .privacy-notice i {
  margin-right: var(--spacing-xs);
}

.privacy-footer .copyright {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.privacy-footer a {
  color: var(--primary-blue-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.privacy-footer a:hover {
  color: var(--white);
  text-decoration: underline;
}

/* ==================== ANIMATION ==================== */
.animation-fade-in {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
  }

  .header h1 {
    font-size: 1.8rem;
  }

  .header p {
    font-size: 1rem;
  }

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

  .tax-saving-grid {
    grid-template-columns: 1fr;
  }

  /* Floating table: switch to bottom strip on tablets */
  .floating-table {
    top: auto;
    bottom: 80px;
    right: 10px;
    left: 10px;
    min-width: unset;
    max-width: unset;
    width: auto;
    font-size: 0.8rem;
  }

  .floating-table th,
  .floating-table td {
    max-width: unset;
  }
}

@media (max-width: 768px) {
  .container {
    padding: var(--spacing-sm);
  }

  .header {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .header h1 {
    font-size: 1.4rem;
  }

  .form-section,
  .results-section,
  .chart-container {
    padding: var(--spacing-md);
  }

  .radio-group {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .floating-table {
    top: auto;
    bottom: 75px;
    right: 8px;
    left: 8px;
    min-width: unset;
    max-width: unset;
    width: auto;
    font-size: 0.75rem;
    padding: 6px 8px;
    border-width: 1.5px;
  }

  .floating-table table {
    width: 100%;
  }

  .floating-table th,
  .floating-table td {
    max-width: unset;
    padding: 2px 6px;
  }

  .floating-button {
    bottom: 15px;
    right: 10px;
    left: 10px;
    width: auto;
    padding: 10px 16px;
    font-size: 0.85rem;
    text-align: center;
  }

  .breakdown-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .savings-options {
    grid-template-columns: 1fr;
  }

  .modal-content {
    padding: var(--spacing-lg);
    margin: var(--spacing-md);
    max-height: 90vh;
  }

  .modal-content h2 {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .header h1 {
    font-size: 1.2rem;
  }

  .form-group input,
  .form-group select {
    padding: var(--spacing-sm);
    font-size: 0.9rem;
  }

  .result-card .amount {
    font-size: 1.5rem;
  }

  .version-inline,
  .version-inline-below {
    font-size: 0.75rem;
  }
}