/* ===================================================================
   ServiceSense AI — Design Tokens & Core Stylesheet
   Tailored for Bangladesh On-Demand Service Marketplace
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Brand Colors - Bangladesh Teal & Emerald */
  --primary-50: #f0fdfa;
  --primary-100: #ccfbf1;
  --primary-200: #99f6e4;
  --primary-300: #5eead4;
  --primary-400: #2dd4bf;
  --primary-500: #14b8a6;
  --primary-600: #0d9488;
  --primary-700: #0f766e;
  --primary-800: #115e59;
  --primary-900: #134e4a;

  /* Accent - Warm Amber (Pricing & Ratings) */
  --amber-50: #fffbeb;
  --amber-100: #fef3c7;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  --amber-700: #b45309;

  /* Status Colors */
  --danger-50: #fef2f2;
  --danger-100: #fee2e2;
  --danger-500: #ef4444;
  --danger-600: #dc2626;
  --success-50: #f0fdf4;
  --success-100: #dcfce7;
  --success-500: #22c55e;
  --success-600: #16a34a;
  --info-50: #f0f9ff;
  --info-500: #0ea5e9;
  --info-600: #0284c7;

  /* Neutrals (Light Mode Default) */
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-secondary: #f1f5f9;
  --bg-input: #ffffff;
  --bg-elevated: #ffffff;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  /* Shadow Elevation */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.04);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.03);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.04);
  --shadow-glow: 0 0 20px -3px rgba(13, 148, 136, 0.25);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: 'Inter', 'Hind Siliguri', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-bengali: 'Hind Siliguri', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode Theme */
[data-theme="dark"] {
  --bg-app: #090e17;
  --bg-card: #111a2e;
  --bg-card-secondary: #17233d;
  --bg-input: #152038;
  --bg-elevated: #1b2847;
  --border-subtle: #243557;
  --border-strong: #334a78;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #090e17;

  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.4);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 20px -3px rgb(0 0 0 / 0.5);
  --shadow-xl: 0 20px 30px -5px rgb(0 0 0 / 0.6);
  --shadow-glow: 0 0 25px -2px rgba(20, 184, 166, 0.3);
}

/* Base Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Bengali Font Support Class */
body.lang-bn, [lang="bn"], .font-bn {
  font-family: var(--font-bengali);
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-secondary);
  font-size: 0.975rem;
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-fast);
}

input, textarea, select {
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* Taka Currency Symbol formatting */
.currency-taka {
  font-family: var(--font-bengali), var(--font-sans);
  font-weight: 700;
}

/* Utility Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulseSlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.03); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-fade-in {
  animation: fadeIn 0.35s ease forwards;
}

.animate-slide-up {
  animation: slideUp 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Shimmer Loading Skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card-secondary) 25%, var(--border-subtle) 50%, var(--bg-card-secondary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ===================================================================
   SITE FOOTER
   =================================================================== */
.site-footer {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 0 0;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-title {
  font-size: 0.775rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links li a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-block;
}

.footer-links li a:hover {
  color: var(--primary-600);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* ===================================================================
   TRACKER SECTION — Timeline & Map
   =================================================================== */
.tracking-map-canvas {
  background: #0b1120;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-subtle);
  min-height: 220px;
}

.tracker-timeline {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.tracker-timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  opacity: 0.45;
}

.tracker-timeline-item.done,
.tracker-timeline-item.active {
  opacity: 1;
}

.tracker-timeline-bullet {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--bg-card-secondary);
  border: 2px solid var(--border-strong);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tracker-timeline-item.done .tracker-timeline-bullet {
  background-color: var(--primary-600);
  border-color: var(--primary-600);
  color: white;
}

.tracker-timeline-item.active .tracker-timeline-bullet {
  background-color: var(--amber-500);
  border-color: var(--amber-500);
  color: white;
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
}

.tracker-timeline-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}

.tracker-timeline-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===================================================================
   DIGITAL WARRANTY CERTIFICATE
   =================================================================== */
.warranty-certificate {
  background: linear-gradient(135deg, #f0fdfa, #ffffff);
  border: 2px solid var(--primary-300);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  margin-top: 1rem;
}

[data-theme="dark"] .warranty-certificate {
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), rgba(17, 26, 46, 0.95));
  border-color: var(--primary-700);
}

.warranty-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.warranty-badge-pill {
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  background-color: var(--primary-600);
  color: white;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ===================================================================
   PRICE INDEX TABLE SECTION
   =================================================================== */
.price-index-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 2rem auto;
  padding-top: 2.5rem;
}

.price-search-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.search-input-wrap {
  position: relative;
  flex: 1;
}

.search-icon-pos {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.7rem 0.95rem 0.7rem 2.35rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background-color: var(--bg-input);
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}

.price-table-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 3rem;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.price-table thead th {
  background-color: var(--bg-card-secondary);
  padding: 0.85rem 1.15rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

.price-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast);
}

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

.price-table tbody tr:hover {
  background-color: var(--bg-card-secondary);
}

.price-table tbody td {
  padding: 0.95rem 1.15rem;
  color: var(--text-primary);
  vertical-align: middle;
}

.price-range-cell {
  font-weight: 700;
  color: var(--amber-700);
}

[data-theme="dark"] .price-range-cell {
  color: var(--amber-400);
}

.workers-count-badge {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  background-color: var(--primary-100);
  color: var(--primary-800);
  border-radius: var(--radius-full);
}

[data-theme="dark"] .workers-count-badge {
  background-color: rgba(20, 184, 166, 0.2);
  color: var(--primary-300);
}

/* ===================================================================
   SYMPTOM WIZARD SECTION
   =================================================================== */
.wizard-box {
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5rem 0 4rem 0;
}

.wizard-step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}

.wizard-step-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.wizard-step-icon {
  font-size: 2rem;
}

.wizard-step-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.wizard-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.wizard-option-btn {
  padding: 1rem 1.15rem;
  background-color: var(--bg-card-secondary);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.wizard-option-btn:hover {
  border-color: var(--primary-500);
  background-color: var(--primary-50);
  color: var(--primary-800);
  transform: translateY(-1px);
}

[data-theme="dark"] .wizard-option-btn:hover {
  background-color: rgba(20, 184, 166, 0.12);
  color: var(--primary-300);
}

.wizard-progress-bar {
  height: 4px;
  background-color: var(--border-subtle);
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.wizard-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
  border-radius: var(--radius-full);
  transition: width var(--transition-smooth);
}

/* ===================================================================
   MISC UTILITY
   =================================================================== */
.mt-3 {
  margin-top: 0.75rem;
}

.results-badge-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}