/* ==========================================================================
   BANGLADOC 2.0 - High-End Design System & Micro-Interaction Engine
   Inspired by Linear, Spline, and modern design craft.
   Optimized for bilingual Bangla/English typography, WCAG AAA accessibility,
   fluid spring physics, and photorealistic A4 drafting canvas.
   ========================================================================== */
@import url('fonts.css');

:root {
  /* Color Palette - Forest Teal Authority (Light Mode / Warm Paper) */
  --bg-app: #fbfcfb;
  --bg-surface: #ffffff;
  --bg-elevated: #f3f6f5;
  --bg-subtle: #f8faf9;
  --bg-input: #ffffff;
  
  --primary-50: #e6f4f1;
  --primary-100: #c2e4dd;
  --primary-500: #0d6e63;
  --primary-600: #0a574e;
  --primary-700: #07423c;
  
  --accent-amber: #b45309;
  --accent-amber-subtle: #fef3c7;
  --accent-success: #059669;
  --accent-success-subtle: #ecfdf5;
  
  /* Text & Ink Tokens */
  --text-ink: #0f172a;
  --text-muted: #475569;
  --text-tertiary: #94a3b8;
  
  /* Hairline Borders */
  --border-hairline: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.15);
  --border-focus: #0d6e63;
  
  /* Physical Paper Rendering Tokens (Always Crisp White Paper) */
  --paper-bg: #ffffff;
  --paper-ink: #1e293b;
  --paper-shadow: 
    0 1px 3px 0 rgba(0, 0, 0, 0.04), 
    0 16px 32px -4px rgba(15, 23, 42, 0.08), 
    0 0 0 1px rgba(15, 23, 42, 0.05);

  /* Elevation Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.06), 0 0 0 1px var(--border-hairline);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 0 0 1px var(--border-hairline);
  --shadow-dock: 0 12px 32px -6px rgba(0, 0, 0, 0.14), 0 0 0 1px var(--border-hairline);

  /* Typography - Anek Bangla gives crisp, balanced numerals & modern letterforms */
  --font-bangla: 'Anek Bangla', 'Hind Siliguri', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-latin: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Radius Scale */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Spring Physics & Motion */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

/* Dark Mode Theme Tokens */
[data-theme="dark"] {
  --bg-app: #080d0c;
  --bg-surface: #101716;
  --bg-elevated: #16201e;
  --bg-subtle: #0d1413;
  --bg-input: #131c1b;
  
  --primary-50: rgba(20, 184, 166, 0.15);
  --primary-100: rgba(20, 184, 166, 0.25);
  --primary-500: #14b8a6;
  --primary-600: #0d9488;
  --primary-700: #0f766e;
  
  --text-ink: #f1f5f9;
  --text-muted: #94a3b8;
  --text-tertiary: #64748b;
  
  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-focus: #14b8a6;
  
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border-hairline);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-hairline);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-app);
}

body {
  font-family: var(--font-bangla);
  color: var(--text-ink);
  background-color: var(--bg-app);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--duration-normal) var(--ease-smooth), color var(--duration-normal) var(--ease-smooth);
}

/* Container */
.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Site Navigation Header */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--duration-normal) var(--ease-smooth), border-color var(--duration-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon,
.logo-icon-svg {
  width: 42px;
  height: 42px;
  display: block;
  border-radius: var(--radius-md);
  filter: drop-shadow(0 2px 8px rgba(13, 110, 99, 0.22));
  transition: transform var(--duration-fast) var(--ease-spring);
}

.brand-logo:hover .logo-icon,
.brand-logo:hover .logo-icon-svg {
  transform: scale(1.06) rotate(-2deg);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-latin);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-ink);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.logo-title span {
  color: var(--primary-500);
}

.logo-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-smooth);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-500);
  background-color: var(--primary-50);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  color: var(--text-ink);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-spring), background var(--duration-fast);
}

.theme-toggle-btn:hover {
  background: var(--primary-50);
  color: var(--primary-500);
  border-color: var(--primary-100);
}

.theme-toggle-btn:active {
  transform: scale(0.92);
}

/* Hero Section */
.hero-section {
  padding: 3.5rem 0 2.5rem;
  text-align: center;
  position: relative;
  background: radial-gradient(circle at 50% 0%, rgba(13, 110, 99, 0.08) 0%, transparent 60%);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.hero-pill:hover {
  transform: translateY(-1px);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-ink);
  max-width: 860px;
  margin: 0 auto 1rem;
  letter-spacing: -0.02em;
}

.hero-title span {
  color: var(--primary-500);
  position: relative;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 1.75rem;
}

/* Two-Column App Layout (Form Left / Live Document Right) */
.generator-workspace {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.25rem;
  margin-bottom: 4rem;
  align-items: start;
}

/* Mobile Tabs (Hidden on Desktop) */
.mobile-view-tabs {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  background: var(--bg-elevated);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-hairline);
}

.mobile-tab-btn {
  padding: 0.65rem;
  font-family: var(--font-bangla);
  font-size: 0.95rem;
  font-weight: 600;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-smooth);
}

.mobile-tab-btn.active {
  background: var(--bg-surface);
  color: var(--text-ink);
  box-shadow: var(--shadow-sm);
}

/* Form Panel Card */
.form-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.panel-header {
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-hairline);
}

.panel-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-ink);
}

.panel-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.form-section {
  margin-bottom: 1.75rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.section-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-500);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-ink);
  margin-bottom: 0.35rem;
}

.field-hint {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 400;
}

/* Tactile Input Styling */
.form-control {
  width: 100%;
  font-family: var(--font-bangla);
  font-size: 1rem;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  color: var(--text-ink);
  transition: all var(--duration-fast) var(--ease-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(13, 110, 99, 0.15);
}

/* Words Indicator Pill */
.words-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-600);
  background-color: var(--primary-50);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  margin-top: 0.45rem;
  border: 1px solid var(--primary-100);
  transition: all var(--duration-normal) var(--ease-spring);
}

/* Preview Drafting Canvas */
.preview-panel {
  position: sticky;
  top: 92px;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  background: var(--bg-surface);
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.preview-title-bar {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.live-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-success);
  box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.2);
  display: inline-block;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.9); }
}

.action-buttons {
  display: flex;
  gap: 0.6rem;
}

/* Button Component with Spring Physics */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-bangla);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: transform var(--duration-fast) var(--ease-spring), background var(--duration-fast);
  text-decoration: none;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: var(--primary-500);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(13, 110, 99, 0.25);
}

.btn-primary:hover {
  background: var(--primary-600);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-ink);
  border: 1px solid var(--border-hairline);
}

.btn-secondary:hover {
  background: var(--bg-elevated);
}

/* Physical A4 Sheet Container */
.document-sheet {
  background: var(--paper-bg);
  color: var(--paper-ink);
  border-radius: var(--radius-xs);
  box-shadow: var(--paper-shadow);
  padding: 3.5rem 3rem;
  min-height: 880px;
  position: relative;
  font-family: var(--font-bangla);
  overflow: hidden;
}

.doc-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-35deg);
  font-size: 5rem;
  font-weight: 900;
  color: rgba(13, 110, 99, 0.03);
  pointer-events: none;
  text-transform: uppercase;
  white-space: nowrap;
  letter-spacing: 0.15em;
  user-select: none;
}

.doc-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid #0f172a;
}

.doc-bismillah {
  font-size: 1rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 0.5rem;
}

.doc-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: 0.01em;
}

.doc-subtitle {
  font-size: 0.85rem;
  color: #64748b;
  margin-top: 0.35rem;
}

.doc-parties {
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.75;
}

.party-block {
  margin-bottom: 1rem;
  padding: 0.85rem 1.15rem;
  background-color: #f8fafc;
  border-left: 3px solid var(--primary-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.party-title {
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.25rem;
}

.doc-preamble {
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 1.5rem;
  text-align: justify;
}

.doc-clauses {
  margin-bottom: 2rem;
}

.clauses-heading {
  font-size: 1.1rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 0.4rem;
}

.clause-list {
  padding-left: 1.5rem;
  font-size: 0.925rem;
  line-height: 1.85;
}

.clause-list li {
  margin-bottom: 0.85rem;
}

.highlight-field {
  color: #047857;
  font-weight: 600;
  background: #ecfdf5;
  padding: 0.05rem 0.4rem;
  border-radius: 3px;
  border-bottom: 1.5px solid #10b981;
}

.doc-signatures {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  padding-top: 1rem;
}

.signature-box {
  text-align: center;
  padding-top: 2.5rem;
  border-top: 1px dashed #94a3b8;
  font-size: 0.9rem;
  font-weight: 600;
  color: #334155;
}

.witness-signatures {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

.witness-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #0f172a;
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-spring);
  pointer-events: none;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* Catalog Card Grid */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0 4rem;
}

.catalog-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-decoration: none;
  color: inherit;
  transition: transform var(--duration-fast) var(--ease-spring), box-shadow var(--duration-fast), border-color var(--duration-fast);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.catalog-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-500);
  box-shadow: var(--shadow-lg);
}

.card-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--primary-50);
  color: var(--primary-600);
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-ink);
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

.card-footer {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-500);
  border-top: 1px solid var(--border-hairline);
  padding-top: 0.85rem;
}

/* Search Bar on Homepage */
.search-container {
  max-width: 580px;
  margin: 0 auto 2.5rem;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.9rem 1.25rem 0.9rem 3rem;
  font-family: var(--font-bangla);
  font-size: 1rem;
  background: var(--bg-surface);
  color: var(--text-ink);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  transition: all var(--duration-fast) var(--ease-smooth);
}

.search-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(13, 110, 99, 0.15);
}

.search-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

/* SEO Editorial Guide Component */
.seo-guide-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  margin-bottom: 4rem;
  box-shadow: var(--shadow-sm);
}

.guide-title {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-ink);
  margin-bottom: 0.5rem;
}

.guide-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-ink);
  margin: 1.75rem 0 0.75rem;
}

.guide-content p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.checklist-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.25rem 0;
}

.checklist-box ul {
  list-style: none;
}

.checklist-box li {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.checklist-box li::before {
  content: "✓";
  color: var(--primary-500);
  font-weight: bold;
}

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.faq-item {
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.35rem;
  background: var(--bg-surface);
  transition: border-color var(--duration-fast);
}

.faq-item:hover {
  border-color: var(--border-medium);
}

.faq-question {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-ink);
  margin-bottom: 0.35rem;
}

.faq-answer {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* Legal Pages Styling */
.legal-container {
  max-width: 860px;
  margin: 3.5rem auto 5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-sm);
}

.legal-header {
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.legal-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--text-ink);
  margin-bottom: 0.5rem;
}

.legal-meta {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.legal-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-ink);
  margin: 1.75rem 0 0.75rem;
}

.legal-content p, .legal-content li {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 0.85rem;
}

/* Site Footer */
.site-footer {
  background: #090e0d;
  color: #94a3b8;
  padding: 4rem 0 2rem;
  border-top: 1px solid #16201e;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h4 {
  font-family: var(--font-latin);
  font-size: 1.4rem;
  color: #ffffff;
  margin-bottom: 0.5rem;
  font-weight: 800;
}

.footer-brand p {
  font-size: 0.925rem;
  line-height: 1.75;
  max-width: 440px;
}

.footer-column h5 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.15rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.925rem;
  transition: color var(--duration-fast);
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid #16201e;
  padding-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
}

/* ==========================================================================
   PRINT SPECIFICATION - Zero Bloat, Pixel-Perfect A4 Sheet
   ========================================================================== */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 11pt !important;
    line-height: 1.5 !important;
  }

  .site-header,
  .hero-section,
  .form-panel,
  .preview-toolbar,
  .mobile-view-tabs,
  .seo-guide-section,
  .catalog-grid,
  .search-container,
  .site-footer,
  .doc-watermark,
  .toast-notice {
    display: none !important;
  }

  .generator-workspace {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .preview-panel {
    position: static !important;
    width: 100% !important;
  }

  .document-sheet {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: auto !important;
    color: #000000 !important;
  }

  .highlight-field {
    background: transparent !important;
    color: #000000 !important;
    border: none !important;
    padding: 0 !important;
    font-weight: 700 !important;
  }

  .party-block {
    background: transparent !important;
    border-left: 2px solid #000000 !important;
    padding: 0.5rem 0.75rem !important;
  }

  @page {
    size: A4 portrait;
    margin: 20mm 15mm 20mm 15mm;
  }
}

/* Responsive Ergonomics */
@media (max-width: 992px) {
  .generator-workspace {
    grid-template-columns: 1fr;
  }
  .mobile-view-tabs {
    display: grid;
  }
  .preview-panel {
    position: static;
  }
  .hero-title {
    font-size: 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .header-inner {
    height: 64px;
  }
  .nav-links {
    display: none;
  }
  .document-sheet {
    padding: 2rem 1.25rem;
  }
  .doc-signatures {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .witness-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Mobile Sticky Action Dock (Phone Viewport UX Upgrade)
   ========================================================================== */
.mobile-action-dock {
  display: none;
}

@media (max-width: 900px) {
  body {
    padding-bottom: 74px; /* Ensure content is never obscured by sticky dock */
  }

  .mobile-action-dock {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-subtle);
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
  }

  [data-theme="dark"] .mobile-action-dock {
    background: rgba(17, 24, 39, 0.94);
    border-top-color: var(--border-subtle);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.35);
  }

  .dock-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
  }

  .dock-pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #10b981;
    display: inline-block;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulse-green 2s infinite;
  }

  .dock-pulse-dot.saving {
    background-color: #f59e0b;
    animation: pulse-orange 1s infinite;
  }

  .dock-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .dock-btn {
    padding: 8px 14px;
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-bangla);
    text-decoration: none;
  }

  .dock-btn-preview {
    background: var(--bg-surface);
    color: var(--primary-500);
    border: 1px solid var(--border-subtle);
  }

  .dock-btn-print {
    background: linear-gradient(135deg, var(--primary-500), #042f2e);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(13, 110, 99, 0.3);
  }
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes pulse-orange {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

/* ==========================================================================
   Draft Alert Banner (Restored LocalStorage Draft)
   ========================================================================== */
.draft-alert-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-md);
  margin-top: 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  color: var(--primary-700);
  gap: 12px;
}

[data-theme="dark"] .draft-alert-banner {
  background: rgba(13, 110, 99, 0.15);
  border-color: rgba(45, 212, 191, 0.3);
  color: #2dd4bf;
}

.draft-alert-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.btn-draft-reset {
  background: transparent;
  border: 1px solid currentColor;
  color: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  font-family: var(--font-bangla);
  transition: all 0.2s ease;
}

.btn-draft-reset:hover {
  background: rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   Legal Stamp Duty & Next Steps Guidance Card
   ========================================================================== */
.legal-guidance-card {
  margin-top: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.guidance-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 0.75rem;
}

.guidance-badge {
  background: linear-gradient(135deg, #fbbf24, #d97706);
  color: #78350f;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  letter-spacing: 0.02em;
}

.guidance-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-ink);
  margin: 0;
}

.guidance-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.guidance-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-body);
}

.guidance-num {
  background: var(--primary-100);
  color: var(--primary-700);
  font-weight: 700;
  font-size: 0.8rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

[data-theme="dark"] .guidance-num {
  background: rgba(45, 212, 191, 0.2);
  color: #2dd4bf;
}

.btn-whatsapp-share {
  background: #25D366;
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font-bangla);
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn-whatsapp-share:hover {
  background: #1ebd5a;
  transform: translateY(-1px);
}

/* ==========================================================================
   BANGLADOC PDF EDITOR & SIGNER SUITE (High-End Client-Side Studio)
   ========================================================================== */

/* Welcome & Dropzone Screen */
.pdf-welcome-screen {
  padding: 3rem 1rem 5rem;
  max-width: 900px;
  margin: 0 auto;
}

.pdf-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-50);
  color: var(--primary-600);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--primary-100);
  margin-bottom: 1.25rem;
}

[data-theme="dark"] .pdf-hero-badge {
  background: rgba(20, 184, 166, 0.12);
  color: #2dd4bf;
  border-color: rgba(20, 184, 166, 0.25);
}

.pdf-dropzone {
  background: var(--bg-surface);
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2rem;
  text-align: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-smooth);
  position: relative;
  overflow: hidden;
  margin: 2rem 0;
}

.pdf-dropzone:hover {
  border-color: var(--primary-500);
  background: var(--bg-elevated);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -8px rgba(13, 110, 99, 0.15);
}

.pdf-dropzone.drag-active {
  border-color: var(--primary-500);
  background: var(--primary-50);
  transform: scale(1.01);
}

.dropzone-icon-ring {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: var(--primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.25rem;
  color: var(--primary-600);
  transition: transform var(--duration-normal) var(--ease-spring);
}

.pdf-dropzone:hover .dropzone-icon-ring {
  transform: scale(1.1) rotate(-5deg);
}

.dropzone-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-ink);
  margin-bottom: 0.5rem;
}

.dropzone-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 1.5rem;
}

.dropzone-tags {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-weight: 600;
}

.welcome-actions-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin: 1.5rem 0 3rem;
}

.btn-demo-try {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: #ffffff;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--duration-normal) var(--ease-smooth);
  box-shadow: 0 4px 14px rgba(13, 110, 99, 0.3);
}

.btn-demo-try:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(13, 110, 99, 0.4);
}

.btn-blank-doc {
  background: var(--bg-surface);
  color: var(--text-ink);
  border: 1px solid var(--border-medium);
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.btn-blank-doc:hover {
  border-color: var(--primary-500);
  color: var(--primary-600);
  background: var(--bg-elevated);
}

/* Feature Trio Cards */
.features-trio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.trio-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.trio-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary-100);
}

.trio-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.trio-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-ink);
  margin-bottom: 0.4rem;
}

.trio-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Workspace Studio Layout */
body.pdf-studio-mode {
  overflow: hidden !important;
}

body.pdf-studio-mode .seo-guide-section,
body.pdf-studio-mode .site-footer,
body.pdf-studio-mode .footer {
  display: none !important;
}

.pdf-workspace {
  display: none;
  flex-direction: column;
  height: calc(100vh - 72px);
  max-height: calc(100vh - 72px);
  overflow: hidden;
  background: var(--bg-app);
}

/* Studio Top Bar */
.pdf-top-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-hairline);
  padding: 0.6rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  z-index: 20;
}

.top-bar-left, .top-bar-center, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.file-title-badge {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-ink);
  background: var(--bg-elevated);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: 1px solid var(--border-hairline);
}

.btn-icon-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-ink);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-bangla);
  transition: all var(--duration-fast) ease;
}

.btn-icon-bar:hover {
  background: var(--bg-elevated);
  border-color: var(--border-medium);
}

.page-indicator-pill {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-ink);
  padding: 4px 10px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
}

.btn-export-studio {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-bangla);
  box-shadow: 0 4px 12px rgba(13, 110, 99, 0.25);
  transition: all var(--duration-fast) ease;
}

.btn-export-studio:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(13, 110, 99, 0.35);
}

/* Tool Ribbon */
.pdf-tool-ribbon {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-hairline);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  overflow-x: auto;
  z-index: 15;
}

.tool-pill {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 0.875rem;
  font-weight: 700;
  font-family: var(--font-bangla);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: all var(--duration-fast) var(--ease-smooth);
}

.tool-pill:hover {
  background: var(--bg-elevated);
  color: var(--text-ink);
}

.tool-pill.active {
  background: var(--primary-500);
  color: #ffffff;
  border-color: var(--primary-500);
  box-shadow: 0 2px 8px rgba(13, 110, 99, 0.3);
}

/* Contextual Sub-bar */
.pdf-contextual-bar {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-hairline);
  padding: 0.4rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 0.85rem;
  min-height: 40px;
}

.opt-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.opt-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.opt-select, .opt-color {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-ink);
  border-radius: var(--radius-xs);
  padding: 4px 8px;
  font-size: 0.85rem;
  font-family: var(--font-bangla);
}

.opt-btn-toggle {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-ink);
  border-radius: var(--radius-xs);
  padding: 3px 10px;
  font-weight: 700;
  cursor: pointer;
}

.opt-btn-toggle.active {
  background: var(--primary-500);
  color: #fff;
  border-color: var(--primary-500);
}

/* Studio Body Layout */
.pdf-editor-body {
  display: flex;
  flex: 1;
  min-height: 0;
  height: calc(100vh - 170px);
  max-height: calc(100vh - 170px);
  overflow: hidden;
  position: relative;
}

/* Thumbnails Sidebar */
.pdf-thumbnails-sidebar {
  width: 170px;
  height: 100%;
  max-height: 100%;
  min-height: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-hairline);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

.thumb-card {
  position: relative;
  background: #ffffff;
  border: 2px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 6px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-fast) ease;
  aspect-ratio: 1 / 1.414;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  overflow: hidden;
}

.thumb-preview {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 2px;
  background: #f8fafc;
}

.thumb-preview canvas,
.thumb-canvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  display: block;
  border-radius: 2px;
}

.thumb-card:hover {
  border-color: var(--primary-500);
  transform: translateY(-1px);
}

.thumb-card.active {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 2px rgba(13, 110, 99, 0.25);
}

.thumb-num {
  position: absolute;
  top: 4px;
  left: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  color: #0f172a;
  background: rgba(255, 255, 255, 0.92);
  padding: 1px 6px;
  border-radius: 4px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  z-index: 5;
}

.thumb-del-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  background: #ef4444;
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 10px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 5;
}

.thumb-card:hover .thumb-del-btn {
  display: flex;
}

/* Main Viewport & Canvas Wrapper */
.pdf-canvas-viewport {
  flex: 1;
  height: 100%;
  max-height: 100%;
  min-height: 0;
  overflow: auto;
  padding: 2.5rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background: var(--bg-subtle);
  scroll-behavior: smooth;
}

.canvas-wrapper {
  position: relative;
  background: #ffffff;
  box-shadow: var(--paper-shadow);
  border-radius: 2px;
  user-select: none;
  margin: 0 auto;
  flex-shrink: 0;
  min-width: 200px;
  min-height: 280px;
}

#pdfBaseCanvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

#interactiveTextLayer {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  overflow: hidden;
  user-select: none;
  pointer-events: none;
}

#interactiveTextLayer.drawing-mode .pdf-text-item {
  pointer-events: none !important;
}

.pdf-text-item {
  position: absolute;
  color: transparent;
  cursor: text;
  box-sizing: border-box;
  border-radius: 2px;
  transition: all var(--duration-fast) ease;
  white-space: pre;
  border: 1px dashed transparent;
  pointer-events: auto;
}

.pdf-text-item:hover {
  background: rgba(13, 110, 99, 0.12);
  border-color: var(--primary-500);
  box-shadow: 0 0 0 1px rgba(13, 110, 99, 0.25);
}

.pdf-text-item.editing {
  display: none !important;
  pointer-events: none !important;
}

#drawingCanvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
  touch-action: none;
}

#annotationOverlay {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 4;
  overflow: visible;
}

/* Annotation Elements */
.pdf-annotation-box {
  position: absolute;
  cursor: move;
  border: 1.5px dashed transparent;
  box-sizing: border-box;
}

.pdf-annotation-box:hover, .pdf-annotation-box.selected {
  border-color: var(--primary-500);
  border-radius: 4px;
}

.ann-content {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
}

.ann-text {
  outline: none;
  word-break: break-word;
  white-space: pre-wrap;
  line-height: 1.35;
  padding: 2px 4px;
}

.ann-stamp {
  border: 2.5px solid;
  border-radius: 6px;
  padding: 6px 12px;
  text-align: center;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.5px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.ann-whiteout {
  width: 100%;
  height: 100%;
  box-shadow: 0 0 1px rgba(0,0,0,0.1);
}

.ann-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.ann-del-btn {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ef4444;
  color: #ffffff;
  border: 1px solid #ffffff;
  font-size: 11px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  z-index: 10;
}

.pdf-annotation-box:hover .ann-del-btn,
.pdf-annotation-box.selected .ann-del-btn {
  display: flex;
}

.ann-resize-handle {
  position: absolute;
  bottom: -5px;
  right: -5px;
  width: 10px;
  height: 10px;
  background: var(--primary-500);
  cursor: se-resize;
  border-radius: 2px;
  display: none;
  z-index: 10;
}

.pdf-annotation-box.selected .ann-resize-handle {
  display: block;
}

/* Signature Modal */
.signature-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.signature-modal.show {
  display: flex;
}

.sig-modal-content {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  box-shadow: var(--shadow-dock);
  padding: 1.75rem;
  border: 1px solid var(--border-hairline);
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.sig-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.sig-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-ink);
}

.sig-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-hairline);
  gap: 8px;
  margin-bottom: 1.25rem;
}

.sig-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 8px 14px;
  cursor: pointer;
  font-family: var(--font-bangla);
}

.sig-tab-btn.active {
  color: var(--primary-500);
  border-bottom-color: var(--primary-500);
}

.sig-pane {
  display: none;
}

.sig-pane.active {
  display: block;
}

#sigCanvas {
  background: #ffffff;
  border: 1.5px dashed var(--border-medium);
  border-radius: var(--radius-md);
  cursor: crosshair;
  display: block;
  margin: 0 auto 10px;
  touch-action: none;
}

.sig-input-field {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-family: var(--font-bangla);
  background: var(--bg-surface);
  color: var(--text-ink);
  margin-bottom: 1rem;
}

.sig-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 1.5rem;
}

/* Global Loader */
.global-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: #ffffff;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: #2dd4bf;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loader-text {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-bangla);
}

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

/* Responsive Rules for Mobile */
@media (max-width: 768px) {
  .pdf-thumbnails-sidebar {
    display: none;
  }
  .pdf-canvas-viewport {
    padding: 1rem 0.5rem;
  }
  .pdf-top-bar {
    padding: 0.5rem;
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }
  .top-bar-left, .top-bar-center, .top-bar-right {
    flex-shrink: 0;
  }
  .file-title-badge {
    max-width: 120px;
  }
  .sig-modal-content {
    padding: 1.25rem 1rem;
    max-width: 95%;
  }
  #sigCanvas {
    width: 100%;
    max-width: 100%;
    height: 140px;
  }
  .sig-header {
    position: relative;
    z-index: 10;
  }
  #btnCloseSignature {
    position: relative;
    z-index: 20;
    min-width: 36px;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }
}