/* ==========================================================================
   1. Design Tokens & Core Settings (Minimalist Clean Web UI)
   ========================================================================== */
:root {
  --bg-web: #f4f7f9; /* Soft cool off-white bank portal bg */
  --bg-card: #ffffff;
  --text-main: #111111;
  --text-muted: #334155;
  --text-light: #64748b;
  --sbi-blue: #0072bc; /* State Bank of India Corporate Blue */
  --sbi-blue-dark: #005a96;
  --sbi-cyan: #00b1ec; /* State Bank of India Logo Cyan */
  --accent: var(--sbi-blue);
  --accent-hover: var(--sbi-blue-dark);
  --border-color: #cbd5e1;
  --focus-outline: var(--sbi-blue);
  
  /* Passbook Theme (Dot-Matrix Ink) */
  --passbook-paper: #fbf8f0; /* Warm off-white paper */
  --passbook-ink: #232b70; /* Authentic violet-blue ink */
  --passbook-ink-faded: rgba(35, 43, 112, 0.75);
  --passbook-stamp-blue: rgba(28, 48, 144, 0.8);
  --passbook-stamp-purple: rgba(85, 34, 119, 0.75);
  --passbook-watermark: rgba(27, 122, 156, 0.05);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-web);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Visually Hidden Utility for Accessibility */
.visually-hidden {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   2. Buttons & Inputs (Clean & Minimalist, No Gradients)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.75rem 1.25rem;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover);
}

.btn-primary:disabled {
  background-color: var(--text-light);
  cursor: not-allowed;
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: #f8fafc;
  border-color: var(--text-light);
}

.btn-icon {
  background-color: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 4px;
  font-size: 1.1rem;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-icon:hover:not(:disabled) {
  background-color: #f8fafc;
  border-color: var(--text-light);
}

.btn-icon:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.icon {
  width: 16px;
  height: 16px;
}

/* Currency Selector in Header */
.currency-toggle {
  display: inline-flex;
  background-color: #f1f5f9;
  padding: 2px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  margin-right: 1.25rem;
}

.currency-btn {
  background: none;
  border: none;
  padding: 0.4rem 0.9rem;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 3px;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.15s ease;
}

.currency-btn:hover {
  color: var(--text-main);
}

.currency-btn.active {
  background-color: #ffffff;
  color: var(--text-main);
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

/* ==========================================================================
   3. Web UI Layout & Components
   ========================================================================== */
.app-header {
  background-color: var(--sbi-blue);
  color: #ffffff;
  border-bottom: 3px solid var(--sbi-cyan);
  padding: 0.8rem 2rem;
  box-shadow: 0 4px 12px rgba(0, 114, 188, 0.15);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sbi-symbol-header {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.sbi-header-text {
  display: flex;
  flex-direction: column;
}

.sbi-header-text .hindi-title {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: #ffffff;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.sbi-header-text .english-title {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.05em;
  line-height: 1.1;
}

/* Header Action Buttons & Togglers overridden for blue background */
.app-header .currency-toggle {
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.app-header .currency-btn {
  color: rgba(255, 255, 255, 0.75);
}

.app-header .currency-btn:hover {
  color: #ffffff;
}

.app-header .currency-btn.active {
  background-color: #ffffff;
  color: var(--sbi-blue);
}

.app-header #print-btn {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.app-header #print-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}

.app-container {
  max-width: 1200px;
  margin: 2.5rem auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Search Bar Section */
.search-section {
  max-width: 750px;
  width: 100%;
  margin: 0 auto;
}

.search-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.search-form .input-group {
  display: flex;
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

.search-form input[type="text"] {
  flex-grow: 1;
  border: 1px solid var(--border-color);
  border-right: none;
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
  padding: 0.75rem 1.25rem;
  font-size: 0.95rem;
  outline: none;
  min-height: 48px;
  font-family: inherit;
  background-color: #ffffff;
}

.search-form input[type="text"]:focus {
  border-color: var(--text-light);
}

.search-form .btn-primary {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  padding-left: 2rem;
  padding-right: 2rem;
  height: 48px;
}

.search-error-msg {
  color: #dc2626;
  font-size: 0.8rem;
  min-height: 18px;
  margin-top: 0.2rem;
}

/* Loading Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Workspace Panels (Centered Single Column) */
.workspace {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-bottom: 2rem;
}

/* Web Footer */
.app-footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-light);
  font-size: 0.75rem;
  border-top: 1px solid var(--border-color);
  background-color: #ffffff;
  margin-top: auto;
}

/* ==========================================================================
   4. Passbook Book Container and Navigation Controls
   ========================================================================== */
.passbook-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
  max-width: 1350px;
}

.book-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #ffffff;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.01);
}

.segmented-control {
  display: flex;
  background-color: #f1f5f9;
  padding: 2px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.control-tab {
  background: none;
  border: none;
  padding: 0.4rem 1rem;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 3px;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.15s ease;
}

.control-tab.active {
  background-color: #ffffff;
  color: var(--text-main);
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.page-display {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  min-width: 80px;
  text-align: center;
}

/* ==========================================================================
   5. Vertical Flip Booklet Canvas (The Physical Passbook)
   ========================================================================== */
.passbook-outer-wrapper {
  perspective: 1800px; /* Enhanced 3D perspective */
  display: flex;
  justify-content: center;
  width: 100%;
}

/* The actual physical book mockup container for PageFlip */
.passbook-booklet {
  display: block;
  margin: 0 auto;
}

.page {
  background-color: var(--passbook-paper);
  border: 1px solid rgba(139, 126, 102, 0.25);
  box-shadow: inset 0 0 40px rgba(180, 160, 130, 0.12); /* Warm paper inner glow */
  width: 100%;
  height: 100%;
  overflow: hidden; /* Prevent text/table bleed-out */
}

.page-content {
  width: 100%;
  height: 100%;
  padding: 2.25rem 2.75rem;
  display: flex;
  flex-direction: column;
}

.page-content.ledger-view {
  padding: 1.25rem 1.5rem;
}

/* ==========================================================================
   7. Cover Flap Layouts (SBI Aesthetics)
   ========================================================================== */
.flap-content {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  opacity: 1;
}

/* Abbreviations Table (Cover Top) */
.abbreviations-container {
  color: var(--passbook-ink-faded);
  font-size: 0.65rem;
  line-height: 1.3;
  margin-right: 155px; /* Leave space for photo frame */
}

.abbrev-title {
  font-weight: 700;
  margin-bottom: 0.35rem;
  border-bottom: 1.5px solid rgba(35, 43, 112, 0.3);
  padding-bottom: 0.15rem;
}

.abbrev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.15rem 0.5rem;
}

/* Passport Photo with stamp overlap */
.passport-photo-wrapper {
  position: absolute;
  top: 2.25rem;
  right: 2.75rem;
  width: 125px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.passport-photo-frame {
  width: 110px;
  height: 135px;
  border: 1px solid rgba(35, 43, 112, 0.4);
  background-color: #e2e8f0;
  position: relative;
  box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.04);
}

.passport-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.05) sepia(0.08);
}

.photo-sign-here {
  font-size: 0.5rem;
  color: var(--passbook-ink-faded);
  text-align: center;
  border-top: 1px dashed rgba(35, 43, 112, 0.3);
  width: 100%;
  padding-top: 0.2rem;
}

/* Rubber Ink Stamps */
.rubber-stamp {
  position: absolute;
  color: var(--passbook-stamp-blue);
  pointer-events: none;
  mix-blend-mode: multiply;
  opacity: 0.88;
  filter: blur(0.3px) contrast(1.2);
}

.circular-stamp {
  width: 120px;
  height: 120px;
  bottom: -35px;
  left: -40px;
  transform: rotate(-10deg);
}

.ink-stamp {
  width: 100%;
  height: 100%;
  display: block;
}

.stamp-purple {
  color: var(--passbook-stamp-purple);
}

/* SBI Header & Logo (Cover Bottom) */
.sbi-header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 2px solid #00b1ec;
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
}

.sbi-symbol {
  width: 44px;
  height: 44px;
  filter: drop-shadow(0.5px 0.5px 0.5px rgba(0,0,0,0.1));
}

.sbi-title-text {
  display: flex;
  flex-direction: column;
}

.hindi-logo-text {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: #1a1a1a;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.english-logo-text {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: #555555;
  letter-spacing: 0.05em;
  line-height: 1.1;
}

/* Branch Address Box */
.branch-details-area {
  display: flex;
  flex-direction: column;
  margin-bottom: 0.5rem;
}

.branch-address {
  display: flex;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #111111;
}

.branch-address-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-left: 5.5rem;
}

/* Cover details Grid */
.account-details-grid {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding-top: 0.4rem;
}

.details-row {
  display: flex;
  width: 100%;
}

.detail-cell {
  display: flex;
  font-size: 0.72rem;
  line-height: 1.4;
  align-items: center;
}

.w-50 { width: 50%; }
.w-100 { width: 100%; }

.detail-cell .label {
  color: var(--text-muted);
  width: 120px;
  flex-shrink: 0;
}

/* Consistent typewriter-like print values */
.detail-cell .val.font-mono,
.branch-details-area .val.font-mono {
  font-family: 'VT323', Courier, monospace;
  font-size: 1.05rem; /* Larger readable typewriter font */
  letter-spacing: 0.03em;
  font-weight: 500;
  color: var(--passbook-ink);
  text-shadow: 0.25px 0.25px 0.5px rgba(35, 43, 112, 0.25);
  line-height: 1;
}

.text-uppercase {
  text-transform: uppercase;
}

/* Signatures Area */
.signatures-area {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: auto;
  border-top: 1.5px dashed rgba(0, 0, 0, 0.06);
  padding-top: 0.5rem;
}

.sig-box {
  display: flex;
  flex-direction: column;
}

.helpline-box {
  font-size: 0.6rem;
  color: var(--text-light);
}

.manager-sig-box {
  align-items: center;
  position: relative;
  width: 180px;
}

.sig-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  border-top: 1px solid #ddd;
  width: 100%;
  text-align: center;
  padding-top: 0.15rem;
}

.branch-manager-stamp {
  position: relative;
  width: 110px;
  height: 50px;
  margin-bottom: 0.25rem;
}

.branch-manager-stamp .ink-stamp {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.8;
  mix-blend-mode: multiply;
  transform: rotate(3deg);
}

.signature-handwritten {
  font-family: 'EB Garamond', Georgia, serif;
  font-style: italic;
  font-size: 1.25rem;
  font-weight: 500;
  color: #1c2b8c;
  position: absolute;
  top: 10px;
  left: 20px;
  z-index: 5;
  letter-spacing: -0.05em;
  opacity: 0.85;
  pointer-events: none;
  transform: rotate(-5deg);
}

/* ==========================================================================
   8. Ledger Tables & Dot Matrix Printing (LEDGER VIEW)
   ========================================================================== */
.ledger-view {
  color: var(--passbook-ink);
  font-family: 'VT323', Courier, monospace;
  font-size: 0.95rem; /* Matches dot-matrix size scaling */
  line-height: 1.2;
}

.ledger-page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.25rem;
  border-bottom: 1.5px dashed rgba(35, 43, 112, 0.18);
  margin-bottom: 0.4rem;
}

.ledger-branch-info,
.ledger-ac-info {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  opacity: 0.85;
  font-weight: 500;
  text-transform: uppercase;
}

.ledger-page-num {
  font-size: 1rem;
  letter-spacing: 0.1em;
  font-weight: bold;
}

.ledger-page-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: auto;
  padding-top: 0.25rem;
  border-top: 1.5px dashed rgba(35, 43, 112, 0.18);
}

/* Watermark */
.sbi-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 280px;
  height: 280px;
  color: var(--passbook-watermark);
  pointer-events: none;
}

.sbi-watermark svg {
  width: 100%;
  height: 100%;
}

/* Ledger Tables */
.ledger-table {
  width: 100%;
  border-collapse: collapse;
  position: relative;
  z-index: 5;
  table-layout: fixed;
}

/* Dot-matrix headers */
.ledger-table th {
  font-family: 'VT323', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--passbook-ink-faded);
  font-weight: 500;
  text-align: left;
  border-bottom: 2px solid rgba(220, 100, 100, 0.25);
  border-right: 1.2px solid rgba(220, 100, 100, 0.15);
  padding: 0.25rem 0.15rem 0.4rem 0.15rem;
  line-height: 1.15;
}

.ledger-table th:last-child {
  border-right: none;
}

/* Right align money columns */
.ledger-table th:nth-child(4),
.ledger-table th:nth-child(5),
.ledger-table th:nth-child(6) {
  text-align: right;
}

/* Table body row alignment */
.ledger-table td {
  padding: 0.2rem 0.15rem;
  font-size: 0.82rem;
  vertical-align: middle;
  word-wrap: break-word;
  white-space: normal;
  /* Simulate ink bleed */
  text-shadow: 0.25px 0.25px 0.5px rgba(35, 43, 112, 0.25);
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(220, 100, 100, 0.15);
  border-right: 1.2px solid rgba(220, 100, 100, 0.15);
}

.ledger-table td:last-child {
  border-right: none;
}

.ledger-table tr.ledger-row:nth-child(even) {
  background-color: rgba(220, 100, 100, 0.025);
}

.tx-link {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.tx-link:hover {
  text-decoration: underline;
}

.ledger-table td:nth-child(4),
.ledger-table td:nth-child(5),
.ledger-table td:nth-child(6) {
  text-align: right;
}

/* Specific alignments and stylings */
.ledger-table td.particulars-cell {
  font-size: 0.82rem;
  line-height: 1.1;
  text-transform: uppercase;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ledger-table tr.ledger-row {
  height: 28px; /* Tighter dot matrix rows to prevent vertical page overflow with 10 rows */
}

/* Subtext lines: Brought Forward / Carried Forward */
.forward-row {
  color: var(--passbook-ink-faded);
  font-weight: bold;
}

.forward-row td {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

/* Custom ink color shifts for a realistic ribbon printing vibe */
.ink-weak {
  opacity: 0.82;
  text-shadow: 0.2px 0.2px 0.4px rgba(35, 43, 112, 0.18);
}

.ink-blurry {
  text-shadow: 0.4px 0.4px 0.8px rgba(35, 43, 112, 0.4);
}

/* ==========================================================================
   9. Print Optimization (@media print)
   ========================================================================== */
@media print {
  /* Hide all browser components */
  body, .app-header, .search-section, .book-controls, .app-footer {
    background: none !important;
    background-color: transparent !important;
    color: #000000 !important;
    box-shadow: none !important;
  }
  
  .app-header, 
  .search-section, 
  .book-controls, 
  .app-footer,
  #ledger-pagination,
  .flipping-page,
  #photocopy-btn {
    display: none !important;
  }
  
  .app-container {
    margin: 0 !important;
    padding: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
  }

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

  .passbook-section {
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
  }

  .passbook-outer-wrapper {
    padding: 0 !important;
    margin: 0 !important;
    overflow: visible !important;
    display: block !important;
  }

  /* Printable Passbook styling overrides */
  .passbook-booklet {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    border: none !important;
    box-shadow: none !important;
    background-color: #ffffff !important;
    background: none !important;
    overflow: visible !important;
    page-break-after: avoid;
    page-break-inside: avoid;
  }

  .booklet-flap {
    height: 48% !important;
    min-height: 460px !important;
    padding: 1.5rem 2rem !important;
    background: none !important;
    background-color: #ffffff !important;
    overflow: visible !important;
  }

  .booklet-spine {
    height: 25px !important;
    background: #ffffff !important;
    border-top: 1px dashed #777 !important;
    border-bottom: 1px dashed #777 !important;
    box-shadow: none !important;
  }

  /* For stamp visibility when printing in black and white */
  .rubber-stamp {
    opacity: 0.95 !important;
    filter: contrast(1.5) !important;
  }
  
  .branch-manager-stamp {
    opacity: 0.95 !important;
  }
}

/* ==========================================================================
   10. Custom SBI Outer and Back Covers (3D Booklet Styling)
   ========================================================================== */

.page-cover-outer,
.page-cover-back-outside {
  background-color: #eceef1 !important;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.08) !important;
  border: 1.5px solid #a6b2c1 !important;
}

.outer-cover-view {
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.cover-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.cover-sbi-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sbi-symbol-cover {
  width: 38px;
  height: 38px;
}

.cover-sbi-text {
  display: flex;
  flex-direction: column;
}

.cover-sbi-title {
  font-family: 'Inter', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: #0072bc;
  line-height: 1;
}

.cover-sbi-sub {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.hindi-logo-sub {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.5rem;
  color: #0072bc;
  letter-spacing: 0.02em;
}

.english-logo-sub {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.45rem;
  color: #0072bc;
  letter-spacing: 0.02em;
}

.cover-passbook-title {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1;
}

.passbook-hindi {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: #2c3e50;
}

.passbook-english {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: #1a252f;
  letter-spacing: 0.05em;
}

/* Pattern Grid */
.cover-circles-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.75rem;
  justify-items: center;
  align-items: center;
  margin: 1.5rem 0;
  padding: 0 1rem;
}

.cover-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  transition: transform 0.2s ease;
}

.cover-circle:hover {
  transform: scale(1.08);
}

.circle-navy {
  background-color: #1b2a75;
}

.circle-keyhole {
  width: 44px;
  height: 44px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.keyhole-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.cover-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

.yono-logo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #a83279, #d32f2f);
  border-radius: 6px;
  width: 60px;
  height: 45px;
  color: #ffffff;
  padding: 2px 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.yono-text {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 0.95rem;
  line-height: 0.9;
  letter-spacing: -0.02em;
}

.yono-sbi {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.55rem;
  line-height: 0.9;
  background-color: #ffffff;
  color: #a83279;
  padding: 1px 3px;
  border-radius: 2px;
  margin-top: 1px;
}

/* Inside Back Cover styling */
.page-cover-back-inside {
  background-color: #f7f9fa;
  color: #2c3e50;
  box-shadow: inset 0 0 30px rgba(0,0,0,0.03);
}

.back-inside-view {
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.back-title {
  font-family: 'Inter', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: #0072bc;
  border-bottom: 2px solid #00b1ec;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.back-rules {
  flex-grow: 1;
}

.back-rules-list {
  padding-left: 1.25rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: #34495e;
}

.back-rules-list li {
  margin-bottom: 0.75rem;
}

.back-helplines {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.72rem;
  color: #7f8c8d;
  border-top: 1px solid rgba(0,0,0,0.05);
  padding-top: 0.75rem;
  font-weight: 500;
}

/* Outside Back Cover styling */
.back-outside-view {
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.barcode-sticker-frame {
  background-color: #ffffff;
  border: 1.5px solid #bdc3c7;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  width: 80%;
  max-width: 280px;
  margin: 3rem auto auto auto;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

#barcode-link {
  cursor: pointer;
}

#barcode-link:hover .barcode-sticker-frame {
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(0, 82, 255, 0.12);
  border-color: var(--sbi-blue);
}

.barcode-label-hindi {
  font-size: 0.58rem;
  font-weight: 700;
  color: #7f8c8d;
  margin-bottom: 0.1rem;
}

.barcode-label-english {
  font-size: 0.58rem;
  font-weight: 700;
  color: #7f8c8d;
  margin-bottom: 0.5rem;
}

.mock-barcode {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.mock-barcode svg {
  display: block;
}

.barcode-num {
  font-size: 0.62rem;
  color: #2c3e50;
  letter-spacing: 0.05em;
  font-weight: bold;
}

.back-logo-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: auto;
}

.sbi-title-text-footer {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.hindi-logo-text-footer {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  color: #0072bc;
}

.english-logo-text-footer {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.58rem;
  color: #0072bc;
}

/* Base Network Branding rotations and morph transitions (SBI <-> Base Logo) */
.logo-inner {
  transform-origin: 50px 50px;
  transform-box: view-box;
  transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

body.network-base .logo-inner {
  transform: rotate(90deg); /* Rotate 90deg clockwise to point the slit left (Base logo) */
}

/* Colors transition */
.logo-outer-circle,
.logo-inner circle,
.logo-inner rect,
.keyhole-svg circle,
.keyhole-svg rect {
  transition: fill 0.8s ease, stroke 0.8s ease;
}

/* Outer circle color morphs from SBI Blue (#0072bc) to Coinbase/Base Blue (#0052ff) */
.logo-outer-circle {
  fill: #0072bc;
}
body.network-base .logo-outer-circle {
  fill: #0052ff;
}

/* Inner keyhole components color in header (white outer, blue cutout) */
.sbi-symbol-header .logo-inner circle,
.sbi-symbol-header .logo-inner rect {
  fill: #0072bc;
}
body.network-base .sbi-symbol-header .logo-inner circle,
body.network-base .sbi-symbol-header .logo-inner rect {
  fill: #0052ff;
}

/* Grid pattern navy circle color shift */
.circle-navy {
  background-color: #1b2a75;
  transition: background-color 0.8s ease;
}
body.network-base .circle-navy {
  background-color: #001f66; /* Base brand deep navy */
}

/* Small keyhole pattern grid circles color shift */
.cover-circle.circle-keyhole svg circle {
  fill: #00b1ec;
}
body.network-base .cover-circle.circle-keyhole svg circle {
  fill: #0052ff;
}

/* Inside bank details stamp color shift (Purple ink to Base Blue ink) */
.stamp-purple {
  color: #5c2d91;
  transition: color 0.8s ease;
}
body.network-base .stamp-purple {
  color: #0052ff;
}

/* Dynamic theme variables updates */
body.network-base {
  --sbi-blue: #0052ff;
  --sbi-blue-dark: #003db3;
  --sbi-cyan: #4c85ff;
  --passbook-ink: #0052ff;
  --passbook-ink-faded: rgba(0, 82, 255, 0.75);
}




/* Link back to the main site (added when hosting on dayitva.github.io) */
.back-to-site {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  margin-right: 0.8rem;
  opacity: 0.85;
}
.back-to-site:hover { opacity: 1; text-decoration: underline; }