/* ==========================================================================
   Vidyapass UI Components & Micro-interactions
   PRISTINE LIGHT THEME: Precision Stripe/Notion Quality Standards
   ========================================================================== */

/* Universal Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.4rem;
  min-height: 44px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
  line-height: 1;
  user-select: none;
}

.btn svg {
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(1px);
}

.btn-primary {
  background: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25);
  border: 1px solid rgba(79, 70, 229, 0.8);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: #F8FAFC;
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-medium);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: #EEF2FF;
}

.btn-gold {
  background: #F59E0B;
  color: #080C14;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}

.btn-gold:hover {
  background: #D97706;
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-split {
  background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
  color: #4338CA;
  border: 1px solid #C7D2FE;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(99, 102, 241, 0.12);
}

.btn-split:hover {
  background: linear-gradient(135deg, #E0E7FF 0%, #C7D2FE 100%);
  color: #3730A3;
  border-color: #A5B4FC;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.btn-sm {
  padding: 0.48rem 0.95rem;
  font-size: 0.84rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 2.2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-full {
  width: 100%;
}

/* Badges & Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.badge svg {
  flex-shrink: 0;
}

.badge-indigo {
  background: #EEF2FF;
  color: #4F46E5;
  border: 1px solid #C7D2FE;
}

.badge-gold {
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold-border);
}

.badge-emerald {
  background: var(--accent-emerald-soft);
  color: var(--accent-emerald);
  border: 1px solid var(--accent-emerald-border);
}

.badge-cyan {
  background: var(--accent-cyan-soft);
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan-border);
}

/* Spotlight Command Search */
.search-wrapper {
  position: relative;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
}

.search-input-box {
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 0.65rem 0.85rem 0.65rem 1.35rem;
  box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.08), 0 2px 6px rgba(15, 23, 42, 0.04);
  transition: all var(--transition-fast);
}

.search-input-box:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15), 0 12px 35px -5px rgba(15, 23, 42, 0.12);
}

.search-icon {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  margin-right: 0.85rem;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-family: var(--font-body);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-shortcut {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: #F1F5F9;
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* Autocomplete Dropdown */
.search-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px -10px rgba(15, 23, 42, 0.15), 0 10px 20px -5px rgba(15, 23, 42, 0.08);
  z-index: 1000;
  max-height: 420px;
  overflow-y: auto;
  display: none;
}

.search-dropdown.active {
  display: block;
  animation: dropdownIn 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.search-dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.95rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: background var(--transition-fast);
}

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

.search-dropdown-item:hover, .search-dropdown-item.selected {
  background: #EEF2FF;
}

.school-result-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.school-thumb {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  padding: 3px;
  object-fit: contain;
  box-shadow: var(--shadow-xs);
}

.school-result-name {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.96rem;
  line-height: 1.3;
}

.school-result-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* Hero Section Architecture */
.hero-section {
  padding: 5rem 0 3.5rem;
  text-align: center;
  position: relative;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #EEF2FF;
  border: 1px solid #C7D2FE;
  color: #4F46E5;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero-title {
  max-width: 900px;
  margin: 0 auto 1.35rem;
}

.hero-title .gradient-text {
  color: var(--accent-primary);
}

.hero-subtitle {
  max-width: 700px;
  margin: 0 auto 2.5rem;
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Card Grids */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

/* School Card — Light Elevation */
.school-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.school-card:hover {
  transform: translateY(-3px);
  border-color: #C7D2FE;
  box-shadow: var(--shadow-md), 0 0 0 1px #C7D2FE;
}

.school-card-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.school-card-logo {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-md);
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xs);
  flex-shrink: 0;
}

.school-card-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.school-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.school-card-location {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.school-card-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.school-card-stats strong {
  color: var(--text-primary);
}

.school-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: auto;
}

/* Project Card — Light Theme */
.project-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.project-card:hover {
  border-color: #C7D2FE;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), 0 0 0 1px #C7D2FE;
}

.project-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.35;
  color: var(--text-primary);
}

.project-summary {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.35rem;
  flex: 1;
}

.project-meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  background: #F8FAFC;
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.meta-pill svg {
  color: var(--text-muted);
}

.project-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.price-tag {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
}

.price-strike {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: 0.4rem;
  font-weight: 400;
}

/* How It Works Step Card */
.step-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem 1.6rem;
  text-align: left;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.step-card-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  display: inline-block;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step-icon-bubble {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: var(--radius-lg);
  background: #EEF2FF;
  border: 1px solid #C7D2FE;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 1.25rem;
}

.step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

/* Modals & Checkout Overlay */
.gd-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.gd-modal-backdrop.open {
  display: flex;
}

.gd-modal-container {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.25);
  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); }
}

.gd-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: #F8FAFC;
}

.gd-brand-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.gd-rzp-badge {
  font-weight: 700;
  color: #0369A1;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.gd-modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.gd-modal-close:hover {
  color: var(--text-primary);
  background: #E2E8F0;
}

.gd-modal-body {
  padding: 1.5rem;
}

.gd-checkout-item-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #F8FAFC;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.gd-item-title {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 700;
}

.gd-item-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.gd-item-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.gd-upi-section {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.gd-qr-box {
  width: 130px;
  text-align: center;
  flex-shrink: 0;
}

.gd-qr-svg {
  width: 100%;
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  padding: 6px;
  box-shadow: var(--shadow-sm);
}

.gd-qr-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  line-height: 1.3;
}

.gd-checkout-form {
  flex: 1;
}

.gd-form-group {
  margin-bottom: 0.85rem;
}

.gd-form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.gd-form-group input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.gd-form-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15);
}

.gd-payment-badges {
  display: flex;
  align-items: center;
  justify-content: space-around;
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  padding: 0.6rem 0;
  border-top: 1px dashed var(--border-subtle);
  border-bottom: 1px dashed var(--border-subtle);
}

.gd-pay-btn {
  width: 100%;
  padding: 0.95rem;
  background: var(--accent-primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
  transition: all var(--transition-fast);
}

.gd-pay-btn:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

/* Success Card */
.gd-success-card {
  text-align: center;
  padding: 2.5rem 2rem;
}

.gd-success-icon {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-full);
  background: #ECFDF5;
  color: #047857;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.gd-success-text {
  margin: 0.85rem 0 1.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.gd-success-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.gd-small-tip {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Grids & Mobile Layout Adapters
   ========================================================================== */

/* Hero Interactive Showcase Grid */
.hero-preview-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  text-align: left;
}

/* Step Cards Process Grid */
.step-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Contact Details & Form Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.25rem;
}

/* Responsive Card Padding */
.responsive-card-pad {
  padding: 2.5rem;
}

/* Order Item Card */
.order-card {
  padding: 1.5rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 840px) {
  .hero-preview-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .hero-preview-grid .badge {
    margin-left: auto;
    margin-right: auto;
  }

  .step-cards-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}

@media (max-width: 640px) {
  /* iOS Safari Auto-Zoom Prevention */
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="password"],
  input[type="number"],
  select,
  textarea {
    font-size: 16px !important;
  }

  .search-shortcut {
    display: none;
  }

  .search-input-box {
    padding: 0.55rem 0.85rem;
  }

  .search-input {
    font-size: 0.95rem;
  }

  .school-card-actions {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .responsive-card-pad {
    padding: 1.5rem 1.15rem;
  }

  .order-card {
    padding: 1.25rem 1rem;
    flex-direction: column;
    align-items: stretch;
  }

  .order-card .btn {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .gd-modal-backdrop {
    padding: 0.75rem;
    align-items: flex-end;
  }

  .gd-modal-container {
    max-height: 85vh;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
  }

  .gd-modal-header {
    padding: 1rem 1.15rem;
  }

  .gd-modal-body {
    padding: 1.15rem;
  }

  .gd-upi-section {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.25rem;
  }

  .gd-checkout-form {
    width: 100%;
    text-align: left;
  }

  .gd-qr-box {
    margin: 0 auto;
  }

  .gd-payment-badges {
    flex-wrap: wrap;
    gap: 0.35rem;
    font-size: 0.72rem;
  }
}

/* Permanently Suppress Popups & Floating WhatsApp Widgets */
#gd-social-toast,
#gd-whatsapp-float,
.gd-floating-whatsapp,
.gd-conversion-toast {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* ==========================================================================
   Vidyapass In-Website Embedded PDF Viewer & Modal Architecture
   ========================================================================== */

/* 1. In-Page Modal Viewer */
.pyq-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  animation: pyqFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pyqFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.pyq-modal-dialog {
  background: #FFFFFF;
  width: 95vw;
  max-width: 1320px;
  height: 92vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.35);
  border: 1px solid var(--border-medium);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: pyqSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transition: width 0.2s ease, max-width 0.2s ease, height 0.2s ease;
}

.pyq-modal-dialog.split-mode-active {
  width: 98vw;
  max-width: 1720px;
  height: 95vh;
}

@keyframes pyqSlideUp {
  from { transform: translateY(16px) scale(0.99); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.pyq-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-medium);
  flex-shrink: 0;
}

.pyq-modal-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.pyq-modal-body {
  flex: 1;
  position: relative;
  background: #F1F5F9;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pyq-modal-body iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #FFFFFF;
  display: block;
}

/* Split-Screen Dual Viewer Architecture */
.split-view-container {
  display: flex;
  width: 100%;
  height: 100%;
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #F1F5F9;
}

.split-pane {
  flex: 1 1 50%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.split-pane-header {
  padding: 0.55rem 1rem;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-shrink: 0;
}

.split-pane-qp .split-pane-header {
  background: #EEF2FF;
  border-bottom: 1px solid #C7D2FE;
}

.split-pane-ms .split-pane-header {
  background: #ECFDF5;
  border-bottom: 1px solid #A7F3D0;
}

.split-pane-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.split-title-text {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.split-icon-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

.split-pane-tools {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.split-mini-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border-medium);
  background: #FFFFFF;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.15s ease;
  cursor: pointer;
}

.split-mini-btn:hover {
  background: #F1F5F9;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.split-iframe-wrap {
  flex: 1;
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #FFFFFF;
}

.split-iframe-wrap iframe {
  width: 100% !important;
  height: 100% !important;
  border: none !important;
  display: block !important;
  background: #FFFFFF !important;
}

.split-pane-divider {
  width: 10px;
  background: #E2E8F0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: col-resize;
  position: relative;
  z-index: 10;
  user-select: none;
  transition: background 0.15s ease;
}

.split-pane-divider:hover,
.split-pane-divider.is-dragging {
  background: #CBD5E1;
}

.split-divider-line {
  flex: 1;
  width: 1px;
  background: transparent;
}

.split-divider-pill {
  width: 20px;
  height: 34px;
  background: #FFFFFF;
  border: 1px solid #94A3B8;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748B;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  pointer-events: none;
}

.split-divider-pill svg {
  transform: rotate(90deg);
}

/* Overlay to block iframe mouse capture while dragging divider */
.split-drag-overlay {
  position: absolute;
  inset: 0;
  z-index: 999;
  cursor: col-resize;
  display: none;
}

/* Mobile Split Tab Bar */
.split-mobile-tab-bar {
  display: none;
}

@media (max-width: 899px) {
  .split-view-container {
    flex-direction: column;
  }
  
  .split-mobile-tab-bar {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 20;
    background: #FFFFFF;
    border-bottom: 1px solid var(--border-medium);
    padding: 0.4rem 0.6rem;
    gap: 0.5rem;
  }

  .split-tab {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-medium);
    background: #F8FAFC;
    color: var(--text-secondary);
    font-size: 0.84rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
  }

  .split-tab.active {
    background: #4F46E5;
    color: #FFFFFF;
    border-color: #4338CA;
    box-shadow: 0 1px 3px rgba(79, 70, 229, 0.25);
  }

  .split-view-container .split-pane {
    display: none;
  }

  .split-view-container .split-pane.mobile-active-pane {
    display: flex;
    flex: 1 1 100%;
  }

  .split-pane-divider {
    display: none;
  }
}


/* 2. Dedicated Reader Page Architecture (viewer.html) */
.viewer-page {
  background: #F8FAFC;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.viewer-top-bar {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-medium);
  padding: 0.85rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.viewer-top-inner {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.viewer-grid {
  max-width: 1600px;
  margin: 1.5rem auto 3rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
  width: 100%;
  box-sizing: border-box;
}

.viewer-canvas-card {
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: calc(100vh - 180px);
  min-height: 680px;
}

.viewer-canvas-header {
  padding: 0.85rem 1.25rem;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.viewer-canvas-body {
  flex: 1;
  position: relative;
  background: #F8FAFC;
}

.viewer-canvas-body iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.viewer-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.viewer-card {
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-xs);
}

.viewer-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.viewer-meta-row {
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.viewer-meta-row:last-child {
  border-bottom: none;
}

.viewer-meta-label {
  color: var(--text-muted);
}

.viewer-meta-val {
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
}

.viewer-related-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.86rem;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.viewer-related-link:hover {
  background: #EEF2FF;
  color: var(--accent-primary);
  border-color: #C7D2FE;
}

@media (max-width: 1024px) {
  .viewer-grid {
    grid-template-columns: 1fr;
  }
  .viewer-canvas-card {
    height: 75vh;
    min-height: 520px;
  }
}

@media (max-width: 640px) {
  .pyq-modal-overlay {
    padding: 0.5rem;
  }
  .pyq-modal-dialog {
    width: 100vw;
    height: 96vh;
    border-radius: var(--radius-md);
  }
  .pyq-modal-header {
    padding: 0.75rem 1rem;
  }
  .desktop-only {
    display: none !important;
  }
}

/* ==========================================================================
   Vidyapass "My Deck" Bookmarking & 1-Click Social Sharing System
   ========================================================================== */

/* 1. Bookmark Button on Cards */
.deck-bookmark-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.15s ease;
  line-height: 1;
}

.deck-bookmark-btn:hover {
  background: #FEF3C7;
  color: #D97706;
  transform: scale(1.12);
}

.deck-bookmark-btn.bookmarked {
  color: #F59E0B;
}

.deck-bookmark-btn.bookmarked svg {
  fill: #F59E0B;
  stroke: #D97706;
}

/* 2. My Deck Filter Chip */
.my-deck-chip {
  background: #FFFBEB !important;
  border-color: #FCD34D !important;
  color: #B45309 !important;
  font-weight: 700 !important;
}

.my-deck-chip:hover {
  background: #FEF3C7 !important;
  border-color: #F59E0B !important;
  color: #92400E !important;
  transform: translateY(-1px);
}

.my-deck-chip.active {
  background: #F59E0B !important;
  color: #FFFFFF !important;
  border-color: #D97706 !important;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35) !important;
}

/* 3. 1-Click Social Share Buttons (WhatsApp & Telegram) */
.btn-whatsapp {
  background: #25D366 !important;
  color: #FFFFFF !important;
  border-color: #20BA5C !important;
  font-weight: 600 !important;
}

.btn-whatsapp:hover {
  background: #20BA5C !important;
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(37, 211, 102, 0.3) !important;
}

.btn-telegram {
  background: #229ED9 !important;
  color: #FFFFFF !important;
  border-color: #1E8EC4 !important;
  font-weight: 600 !important;
}

.btn-telegram:hover {
  background: #1E8EC4 !important;
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(34, 158, 217, 0.3) !important;
}

/* Card Share Dropdown Popover */
.share-dropdown-wrap {
  position: relative;
  display: inline-block;
}

.share-popover {
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.18), 0 8px 10px -6px rgba(15, 23, 42, 0.1);
  padding: 0.45rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  z-index: 50;
  min-width: 180px;
  animation: popoverFadeIn 0.15s ease-out;
}

@keyframes popoverFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.share-popover-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all 0.12s ease;
  width: 100%;
  box-sizing: border-box;
  text-align: left;
}

.share-popover-item:hover {
  background: #F1F5F9;
}

.share-popover-item.item-wa:hover {
  background: #ECFDF5;
  color: #047857;
}

.share-popover-item.item-tg:hover {
  background: #EFF6FF;
  color: #1D4ED8;
}

/* 4. Floating Deck Toast Feedback */
.deck-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #0F172A;
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-lg);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 999999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

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