/* ==========================================================================
   MakeGSTBill Free Tools Suite - Dedicated Full-Page Styles
   Matches Brand Identity: Navy Blue (#03008D), Orange (#FF5C00), Clean SaaS
   Consistent with hsn-finder.php, pricing.php, gst-invoice.php
   ========================================================================== */

:root {
  /* Brand Core Colors */
  --brand-navy: #03008D;
  --brand-navy-dark: #020066;
  --brand-orange: #FF5C00;
  --brand-orange-hover: #e05200;
  
  --tool-primary: #03008D;
  --tool-primary-hover: #020066;
  --tool-primary-light: #eef2ff;
  --tool-accent: #FF5C00;
  --tool-success: #10b981;
  --tool-success-light: #ecfdf5;
  --tool-warning: #f59e0b;
  --tool-danger: #ef4444;
  --tool-dark: #0f172a;
  
  --tool-gray-50: #f8fafc;
  --tool-gray-100: #f1f5f9;
  --tool-gray-200: #e2e8f0;
  --tool-gray-300: #cbd5e1;
  --tool-gray-400: #94a3b8;
  --tool-gray-500: #64748b;
  --tool-gray-600: #475569;
  --tool-gray-700: #334155;
  
  --tool-card-shadow: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --tool-radius: 16px;
}

/* Dedicated Tool Hero Header (Matching hsn-finder.php & pricing.php) */
.tool-hero {
  padding: 50px 1.5rem 3.5rem;
  background: #fefcf9;
  text-align: center;
  border-bottom: 1px solid #e2e8f0;
}

.tool-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 1.25rem;
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  color: #3730a3;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.tool-hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  color: #000000;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.tool-hero-desc {
  color: #4b5563;
  font-size: 1.12rem;
  max-width: 780px;
  margin: 0 auto;
  line-height: 1.65;
}

/* Main Content Section */
.tool-section {
  padding: 3.5rem 1.5rem 5rem;
  background: #f8fafc;
}

.tool-container {
  max-width: 1080px;
  margin: 0 auto;
}

.tool-container-wide {
  max-width: 1180px;
  margin: 0 auto;
}

/* Tool Card (Matches .card from global.css) */
.tool-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--tool-radius);
  padding: 2.25rem;
  box-shadow: var(--tool-card-shadow);
  margin-bottom: 2rem;
}

.tool-card-header {
  border-bottom: 1px solid var(--tool-gray-100);
  padding-bottom: 1.25rem;
  margin-bottom: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.tool-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--tool-dark);
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.tool-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.25rem;
  align-items: start;
}

.tool-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

/* Form Controls & Inputs */
.tool-input-group {
  margin-bottom: 1.35rem;
}

.tool-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--tool-gray-700);
  margin-bottom: 0.45rem;
}

.tool-hint {
  font-size: 0.8rem;
  color: var(--tool-gray-500);
  margin-top: 0.35rem;
}

.tool-input,
.tool-select,
.tool-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--tool-gray-300);
  border-radius: 8px;
  background: #ffffff;
  color: var(--tool-dark);
  outline: none;
  transition: all 0.2s ease;
}

.tool-input:focus,
.tool-select:focus,
.tool-textarea:focus {
  border-color: var(--brand-navy);
  box-shadow: 0 0 0 3px rgba(3, 0, 141, 0.12);
}

.tool-input-prefix {
  position: relative;
  display: flex;
  align-items: center;
}

.tool-prefix {
  position: absolute;
  left: 1rem;
  font-weight: 700;
  color: var(--tool-gray-500);
  pointer-events: none;
}

.tool-input-prefix .tool-input {
  padding-left: 2.25rem;
}

/* Range Slider */
.tool-range-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.tool-range {
  flex: 1;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--tool-gray-200);
  border-radius: 4px;
  outline: none;
}

.tool-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand-navy);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(3, 0, 141, 0.4);
  transition: transform 0.15s;
}

.tool-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Segmented Buttons & Tabs (Matches Pricing Switcher & HSN Category Pills) */
.tool-segmented {
  display: inline-flex;
  align-items: center;
  background: var(--tool-gray-100);
  padding: 0.35rem;
  border-radius: 9999px;
  border: 1px solid var(--tool-gray-300);
  gap: 0.35rem;
  width: 100%;
}

.tool-segment-btn {
  flex: 1;
  padding: 0.55rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--tool-gray-600);
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.tool-segment-btn:hover {
  color: var(--tool-dark);
}

.tool-segment-btn.active {
  background: var(--brand-navy) !important;
  color: #ffffff !important;
  box-shadow: 0 2px 8px rgba(3, 0, 141, 0.25) !important;
}

/* Results Display Box */
.tool-results-card {
  background: #ffffff;
  border: 1px solid var(--tool-gray-200);
  border-radius: var(--tool-radius);
  padding: 2rem;
  position: relative;
  box-shadow: var(--tool-card-shadow);
}

.tool-res-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #eef2ff;
  color: var(--brand-navy);
  border: 1px solid #c7d2fe;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: 50px;
}

.tool-stat-highlight {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: #f8fafc;
  border-radius: 12px;
  border-left: 4px solid var(--brand-navy);
}

.tool-stat-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--tool-gray-600);
  margin-bottom: 0.35rem;
}

.tool-stat-value {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--brand-navy);
  line-height: 1.15;
}

.tool-stat-sub {
  font-size: 0.88rem;
  color: var(--tool-gray-500);
  margin-top: 0.4rem;
}

.tool-res-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.25rem;
}

.tool-res-table tr {
  border-bottom: 1px solid var(--tool-gray-100);
}

.tool-res-table tr:last-child {
  border-bottom: none;
}

.tool-res-table td {
  padding: 0.85rem 0;
  font-size: 0.92rem;
}

.tool-res-table td:last-child {
  text-align: right;
  font-weight: 700;
  color: var(--tool-dark);
}

/* Action Buttons (Strictly matching Brand Identity) */
.tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  text-decoration: none;
  font-family: inherit;
}

/* Primary Button - Signature MakeGSTBill Brand Orange */
.tool-btn-primary {
  background: var(--brand-orange) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(255, 92, 0, 0.3);
}

.tool-btn-primary:hover {
  background: var(--brand-orange-hover) !important;
  color: #ffffff !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(255, 92, 0, 0.4);
}

/* Secondary Button - Clean White with Brand Navy */
.tool-btn-secondary {
  background: #ffffff;
  border-color: var(--tool-gray-300);
  color: var(--tool-gray-700);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.tool-btn-secondary:hover {
  background: var(--tool-gray-50);
  border-color: var(--brand-navy);
  color: var(--brand-navy);
}

.tool-btn-success {
  background: var(--tool-success);
  color: #fff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.tool-btn-success:hover {
  background: #059669;
}

.tool-btn-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Formula & Educational Cards */
.tool-formula-box {
  background: #f8fafc;
  border: 1px solid var(--tool-gray-200);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.tool-formula-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--tool-dark);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-formula-code {
  display: block;
  background: #ffffff;
  border: 1px solid var(--tool-gray-300);
  border-left: 4px solid var(--brand-navy);
  padding: 0.85rem 1.15rem;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--tool-dark);
  margin: 0.75rem 0;
  overflow-x: auto;
}

/* FAQ Accordion */
.tool-faq-item {
  border-bottom: 1px solid var(--tool-gray-200);
  padding: 1.25rem 0;
}

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

.tool-faq-q {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--tool-dark);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tool-faq-a {
  font-size: 0.95rem;
  color: var(--tool-gray-600);
  line-height: 1.6;
}

/* MakeGSTBill CTA Banner - Consistent Navy & Brand Orange */
.tool-cta-card {
  background: linear-gradient(135deg, var(--brand-navy) 0%, #1e1b4b 100%);
  color: #fff;
  border-radius: var(--tool-radius);
  padding: 2.5rem;
  margin-top: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  box-shadow: 0 12px 28px rgba(3, 0, 141, 0.2);
}

.tool-cta-content h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: #fff;
}

.tool-cta-content p {
  color: #cbd5e1;
  font-size: 1rem;
  max-width: 580px;
  margin: 0;
}

/* Generator Live Preview Sheet */
.tool-preview-sheet {
  background: #ffffff;
  border: 1px solid var(--tool-gray-300);
  border-radius: 8px;
  padding: 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  font-family: inherit;
  color: #111;
  margin-top: 1.5rem;
}

/* Table styles inside preview */
.tool-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
}

.tool-table th {
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  padding: 0.65rem 0.85rem;
  font-size: 0.85rem;
  text-align: left;
  font-weight: 700;
  color: #0f172a;
}

.tool-table td {
  border: 1px solid #e2e8f0;
  padding: 0.65rem 0.85rem;
  font-size: 0.88rem;
  color: #334155;
}

/* Range Meter */
.tool-meter {
  height: 10px;
  background: var(--tool-gray-200);
  border-radius: 5px;
  overflow: hidden;
  margin: 0.75rem 0 1rem;
  display: flex;
}

.tool-meter-bar {
  height: 100%;
  transition: width 0.4s ease;
}

/* Printable layout styling */
@media print {
  body * {
    visibility: hidden;
  }
  .site-header,
  .site-footer,
  .tool-hero,
  .tool-no-print,
  .announcement-bar {
    display: none !important;
  }
  .tool-preview-sheet,
  .tool-preview-sheet * {
    visibility: visible;
  }
  .tool-preview-sheet {
    position: absolute;
    left: 0;
    top: 0;
    width: 100% !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
  }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .tool-grid-2 {
    grid-template-columns: 1fr;
  }

  .tool-grid-3 {
    grid-template-columns: 1fr;
  }
  
  .tool-cta-card {
    flex-direction: column;
    text-align: center;
  }
  
  .tool-cta-content p {
    margin: 0 auto;
  }
}