/* ==========================================================================
   QTAIR Payment Confirmation Receipt - Main Stylesheet
   ========================================================================== */

:root {
  --primary-color: #1A5C38;
  --primary-hover: #134629;
  --primary-light: #EEF6F1;
  --primary-border: #9BC7AA;
  
  --warning-bg: #FFF8E5;
  --warning-border: #E5C378;
  --danger-color: #D32F2F;
  --success-color: #2E7D32;
  
  --bg-app: #F3F4F6;
  --bg-card: #FFFFFF;
  --text-main: #1F2937;
  --text-muted: #6B7280;
  --border-color: #E5E7EB;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-preview: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* App Container Layout */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header / Navbar */
.app-header {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.header-brand h1 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.2;
}

.brand-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #FFFFFF;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: #4B5563;
  color: #FFFFFF;
}
.btn-secondary:hover {
  background-color: #374151;
}

.btn-success {
  background-color: #16A34A;
  color: #FFFFFF;
}
.btn-success:hover {
  background-color: #15803D;
}

.btn-outline {
  background-color: #FFFFFF;
  color: var(--text-main);
  border-color: #D1D5DB;
}
.btn-outline:hover {
  background-color: #F9FAFB;
  border-color: #9CA3AF;
}

/* Main Layout: Split Screen */
.main-layout {
  display: flex;
  flex: 1;
  gap: 24px;
  padding: 24px;
  max-width: 1700px;
  margin: 0 auto;
  width: 100%;
}

/* Left Panel: Form */
.form-panel {
  flex: 1;
  min-width: 450px;
  max-width: 650px;
  background: var(--bg-card);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: var(--shadow-md);
  height: fit-content;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--primary-light);
  margin-bottom: 20px;
}

.panel-header h2 {
  font-size: 1.1rem;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge {
  font-size: 0.75rem;
  background: var(--primary-light);
  color: var(--primary-color);
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 600;
}
.badge-success {
  background: #DCFCE7;
  color: #15803D;
}

/* Form Sections */
.form-section {
  margin-bottom: 24px;
  background: #FAFAFA;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
}

.section-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group {
  margin-bottom: 14px;
}
.form-group:last-child {
  margin-bottom: 0;
}

.form-row {
  display: flex;
  gap: 12px;
}
.form-row.two-cols > .form-group {
  flex: 1;
}

label {
  display: block;
  font-size: 0.83rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 4px;
}

.req {
  color: var(--danger-color);
}
.hint {
  font-size: 0.75rem;
  font-weight: normal;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  font-size: 0.88rem;
  font-family: inherit;
  border: 1px solid #D1D5DB;
  border-radius: 6px;
  background-color: #FFFFFF;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(26, 92, 56, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 60px;
}

.font-bold {
  font-weight: 700;
}
.font-semibold {
  font-weight: 600;
}

/* Checkbox & Radio Grids */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  background: #FFFFFF;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #E5E7EB;
}

.checkbox-item, .radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  cursor: pointer;
  user-select: none;
}

.checkbox-item.full-width {
  grid-column: span 2;
}

.inline-input {
  flex: 1;
  padding: 4px 8px;
  font-size: 0.82rem;
  border: 1px solid #D1D5DB;
  border-radius: 4px;
}
.inline-input:disabled {
  background: #F3F4F6;
  opacity: 0.6;
}

.radio-group {
  display: flex;
  gap: 16px;
  background: #FFFFFF;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #E5E7EB;
}

/* Stamp Controls Box */
.stamp-controls-box {
  background: #FFF;
  border: 1px solid var(--primary-border);
  border-radius: 8px;
  padding: 14px;
  margin-top: 10px;
}

.stamp-toggle-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #CCC;
  transition: .3s;
  border-radius: 24px;
}
.slider:before {
  position: absolute;
  content: "";
  height: 18px; width: 18px;
  left: 3px; bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}
input:checked + .slider {
  background-color: var(--primary-color);
}
input:checked + .slider:before {
  transform: translateX(20px);
}

.toggle-label {
  font-size: 0.86rem;
  color: #1F2937;
}

.text-danger { color: var(--danger-color); }
.text-success { color: var(--success-color); }
.text-primary { color: var(--primary-color); }

.stamp-adjust-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding-top: 10px;
  border-top: 1px dashed #E5E7EB;
}

.range-group {
  font-size: 0.78rem;
  color: #4B5563;
}
.range-group label {
  font-weight: 500;
  margin-bottom: 2px;
}
.range-group input[type="range"] {
  width: 100%;
  accent-color: var(--primary-color);
}


/* Right Panel: Receipt Live Preview */
.preview-panel {
  flex: 1.2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.preview-panel .panel-header {
  width: 100%;
  background: #FFFFFF;
  padding: 16px 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  margin-bottom: 16px;
}

.preview-viewport {
  width: 100%;
  display: flex;
  justify-content: center;
  overflow-x: auto;
  padding-bottom: 30px;
}

/* Printable Receipt Card (Exact A4 Styling) */
.receipt-card {
  width: 794px; /* Standard A4 width at 96 DPI */
  min-height: 1080px; /* Fits exactly on single A4 page */
  background: #FFFFFF;
  padding: 26px 36px;
  box-shadow: var(--shadow-preview);
  border-radius: 4px;
  color: #000000;
  font-size: 13px;
  line-height: 1.4;
  position: relative;
  box-sizing: border-box;
}

/* Specific spacing for PDF export mode so content fills page height cleanly */
.receipt-card.pdf-export-mode {
  padding: 42px 42px 38px 42px !important;
  min-height: 1115px !important;
  box-shadow: none !important;
}
.receipt-card.pdf-export-mode .receipt-header-tbl {
  margin-bottom: 16px !important;
}
.receipt-card.pdf-export-mode .receipt-title-box {
  margin: 16px 0 14px 0 !important;
}
.receipt-card.pdf-export-mode .receipt-meta-tbl {
  margin-bottom: 16px !important;
}
.receipt-card.pdf-export-mode .receipt-details-tbl {
  margin-bottom: 20px !important;
}
.receipt-card.pdf-export-mode .receipt-details-tbl td {
  padding: 8px 12px !important;
  font-size: 13px !important;
}
.receipt-card.pdf-export-mode .receipt-warning-box {
  margin-bottom: 22px !important;
}
.receipt-card.pdf-export-mode .warning-body {
  padding: 10px 14px !important;
  font-size: 12px !important;
}
.receipt-card.pdf-export-mode .receipt-signatures-tbl {
  margin-bottom: 24px !important;
}
.receipt-card.pdf-export-mode .sig-space {
  height: 85px !important;
}

/* Header Table */
.receipt-header-tbl {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
}
.receipt-header-tbl td {
  vertical-align: middle;
}
.logo-col {
  width: 180px;
  padding-right: 12px;
}
.receipt-logo {
  max-width: 165px;
  max-height: 70px;
  object-fit: contain;
  display: block;
}
.company-info-col {
  border-left: 2px solid var(--primary-color);
  padding-left: 12px;
}
.comp-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.2px;
  margin-bottom: 2px;
}
.comp-meta, .comp-address {
  font-size: 11px;
  color: #333333;
  line-height: 1.4;
}

/* Title Box */
.receipt-title-box {
  text-align: center;
  margin: 10px 0 8px 0;
}
.receipt-main-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: 1px;
  margin: 0;
  text-transform: uppercase;
}
.receipt-sub-title {
  font-size: 11.5px;
  font-weight: 600;
  color: #555555;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 1px;
}

/* Meta Table (Số phiếu & Ngày) */
.receipt-meta-tbl {
  width: 100%;
  margin-bottom: 10px;
  font-size: 12.5px;
}
.meta-left {
  text-align: left;
  width: 50%;
}
.meta-right {
  text-align: right;
  width: 50%;
}
.pv-field {
  color: #000;
}

/* Details Table (Table 3 in DOCX) */
.receipt-details-tbl {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
}
.receipt-details-tbl td {
  border: 1px solid #B0C4DE;
  padding: 5px 10px;
  font-size: 12.5px;
  vertical-align: middle;
}
.lbl-cell {
  width: 25%;
  background-color: var(--primary-light); /* #EEF6F1 */
  font-weight: 700;
  color: #1A5C38;
}
.val-cell {
  width: 75%;
  background-color: #FFFFFF;
}

.services-row, .payment-methods-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.chk-box-render {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.chk-icon {
  font-size: 13.5px;
  font-weight: bold;
}
.chk-icon.checked {
  color: var(--primary-color);
}

.highlight-text {
  color: var(--primary-color);
  font-size: 13.5px;
  letter-spacing: 0.5px;
}
.price-text {
  color: var(--primary-color);
  font-size: 14.5px;
}
.italic-text {
  font-style: italic;
}

/* Warning Box (Table 4 in DOCX) */
.receipt-warning-box {
  border: 1px solid #C2D4C8;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 14px;
}
.warning-header {
  background-color: var(--primary-color); /* #1A5C38 */
  color: #FFFFFF;
  font-weight: 700;
  font-size: 12.5px;
  padding: 5px 10px;
  text-align: center;
  letter-spacing: 0.5px;
}
.warning-body {
  background-color: var(--warning-bg); /* #FFF8E5 */
  padding: 8px 12px;
  font-size: 11.5px;
  color: #222222;
  line-height: 1.45;
}
.warning-body p {
  margin-bottom: 4px;
}
.bank-details-row, .bank-owner-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 4px 0;
  padding: 3px 6px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 4px;
  border: 1px dashed #E5C378;
}
.bank-acc-no {
  font-size: 13.5px;
  color: #B91C1C;
  letter-spacing: 0.5px;
}
.text-red-highlight {
  color: #D32F2F;
  font-weight: 700;
}

.warning-invalid-text {
  font-size: 11px;
  color: #000000; /* Màu đen theo yêu cầu */
  margin-top: 4px !important;
  font-weight: 500;
}

/* Signatures Table (Table 5 in DOCX) */
.receipt-signatures-tbl {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 14px;
}
.sig-col {
  width: 50%;
  text-align: center;
  vertical-align: top;
  padding: 0 10px;
}
.sig-title {
  font-weight: 700;
  font-size: 13.5px;
  color: #000;
  text-transform: uppercase;
}
.sig-subtitle {
  font-size: 11.5px;
  font-style: italic;
  color: #555;
  margin-top: 1px;
}
.sig-space {
  height: 65px;
  position: relative;
}
.company-sig-container {
  display: flex;
  justify-content: center;
  align-items: center;
}
.sig-name {
  font-size: 13.5px;
  margin-top: 4px;
}
.sig-role {
  font-size: 12px;
  font-style: italic;
  color: #444;
}

/* Red Stamp Image Overlay */
.stamp-image {
  position: absolute;
  width: 130px;
  height: auto;
  top: -10px;
  right: 50px;
  mix-blend-mode: multiply; /* Blends white background into seal */
  opacity: 0.95;
  transform: rotate(-8deg);
  pointer-events: none;
  transition: transform 0.1s ease, opacity 0.1s ease;
}

/* Footer Notes */
.receipt-footer-notes {
  border-top: 1px solid #D0D7DE;
  padding-top: 10px;
  font-size: 11.5px;
  color: #444444;
  text-align: center;
}
.receipt-footer-notes p {
  margin-bottom: 4px;
}
.footer-contacts {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 6px;
  font-weight: 600;
  color: var(--primary-color);
}
.footer-contacts .tagline {
  color: #D97706;
  font-style: italic;
}

/* App Footer */
.app-footer {
  text-align: center;
  padding: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  background: #FFFFFF;
}

/* ==========================================================================
   PRINT STYLES (@media print)
   ========================================================================== */
@media print {
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
    padding: 0 !important;
    margin: 0 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .app-header, .form-panel, .panel-header, .app-footer, .btn {
    display: none !important;
  }

  .main-layout {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
  }

  .preview-panel {
    flex: none !important;
    width: 100% !important;
  }

  .preview-viewport {
    padding: 0 !important;
    overflow: visible !important;
  }

  .receipt-card {
    width: 100% !important;
    min-height: auto !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 20px 30px !important;
    margin: 0 auto !important;
    page-break-inside: avoid;
  }

  @page {
    size: A4 portrait;
    margin: 10mm 10mm 10mm 10mm;
  }
}

/* ==========================================================================
   RESPONSIVE STYLES FOR TABLET & MOBILE
   ========================================================================== */

/* Tablet Screens (<= 1024px) */
@media (max-width: 1024px) {
  body {
    overflow-x: hidden;
  }

  .app-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 12px 16px;
  }

  .header-brand {
    justify-content: center;
    text-align: center;
  }

  .header-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    gap: 8px;
  }

  .main-layout {
    flex-direction: column;
    padding: 16px;
    gap: 20px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .form-panel {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .preview-panel {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .preview-viewport {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 20px;
    -webkit-overflow-scrolling: touch;
  }
}

/* Mobile Devices (<= 768px) */
@media (max-width: 768px) {
  .header-brand h1 {
    font-size: 1rem;
  }
  .brand-sub {
    font-size: 0.75rem;
  }
  .brand-logo {
    height: 38px;
  }

  .header-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    width: 100%;
  }

  .btn {
    justify-content: center;
    padding: 8px 10px;
    font-size: 0.82rem;
    width: 100%;
  }

  .form-panel {
    padding: 16px;
  }

  .form-row.two-cols {
    flex-direction: column;
    gap: 0;
  }

  .checkbox-grid {
    grid-template-columns: 1fr;
  }

  .checkbox-item.full-width {
    grid-column: span 1;
    flex-direction: column;
    align-items: flex-start;
  }

  .inline-input {
    width: 100%;
    margin-top: 4px;
  }

  .radio-group {
    flex-direction: column;
    gap: 8px;
  }

  .stamp-adjust-panel {
    grid-template-columns: 1fr;
  }

  /* Responsive Viewport for Receipt A4 Card */
  .preview-panel {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
  }

  .preview-viewport {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 20px;
    -webkit-overflow-scrolling: touch;
  }

  .receipt-card {
    width: 794px !important;
    min-width: 794px !important;
    flex-shrink: 0 !important;
    margin: 0 auto;
  }
}

/* Small Mobile Screens (<= 480px) */
@media (max-width: 480px) {
  .header-actions {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  .btn {
    padding: 7px 8px;
    font-size: 0.78rem;
  }

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .badge {
    align-self: flex-start;
  }
}