/* ==========================================================================
   BÁO GIÁ CÔNG TY GNG VIỆT NAM (DALATECH PROPOSAL)
   Design System: Visual Sitemap, Value & ROI Section, Interactive Popup
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root {
  --primary-ink: #1C2536;
  --gng-yellow: #F3C012;
  --gng-red: #B23A2E;
  --gng-green: #2E7D32;
  --bg-main: #F4F3F0;
  --bg-card: #FFFFFF;
  --border: #CBD5E1;
  --text-dark: #0F172A;
  --text-muted: #475569;
  --shadow: 0 12px 35px rgba(28, 37, 54, 0.08);
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.5;
  padding: 30px 15px;
}

.quotation-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 40px;
  position: relative;
}

/* TOP ACTION BAR */
.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid #F1F5F9;
  gap: 15px;
}

.badge-gng {
  background: #FFFDF0;
  color: #926C00;
  font-weight: 800;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--gng-yellow);
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(243, 192, 18, 0.12);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  transition: all 0.2s ease;
  height: 38px;
}

.btn-print {
  background: var(--primary-ink);
  color: #FFF;
}

.btn-print:hover {
  background: #000;
  transform: translateY(-1px);
}

.btn-facebook {
  background: #1877F2;
  color: #FFF;
}

.btn-facebook:hover {
  background: #0D65D9;
}

.btn-modal {
  background: #0284C7;
  color: #FFF;
}

.btn-modal:hover {
  background: #0369A1;
  transform: translateY(-1px);
}

/* HEADER & LOGO BRANDING */
.quote-header {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
  align-items: center;
}

.gng-logo-wrapper {
  display: flex;
  align-items: center;
  gap: 15px;
}

.gng-logo-svg {
  width: 130px;
  height: auto;
}

.gng-brand-info h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--primary-ink);
  line-height: 1.1;
  text-transform: uppercase;
}

.gng-brand-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}

.quote-meta {
  text-align: right;
}

.quote-meta h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--gng-red);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.quote-meta p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.quote-meta strong {
  color: var(--primary-ink);
}

/* CLIENT & VENDOR INFO */
.info-box-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  background: #FAF8F5;
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 30px;
  border: 1px solid #EAE5DC;
}

.info-card h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--gng-red);
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-card p {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

/* ==========================================================================
   PAGE VALUE & PURPOSE SECTION (TẠI SAO PHẢI CÓ & Ý NGHĨA GIÁ TRỊ TỪNG TRANG)
   ========================================================================== */

.page-value-section {
  background: #FAF8F5;
  border: 1px solid #EAE5DC;
  border-radius: 14px;
  padding: 25px;
  margin-bottom: 35px;
}

.page-value-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 20px;
}

@media (max-width: 768px) {
  .page-value-grid {
    grid-template-columns: 1fr;
  }
}

.value-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.03);
  transition: all 0.2s ease;
}

.value-card:hover {
  border-color: var(--gng-red);
  box-shadow: 0 6px 16px rgba(178, 58, 46, 0.08);
}

.value-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.value-card-header .num-tag {
  background: var(--gng-red);
  color: #FFF;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

.value-card-header h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-ink);
  text-transform: uppercase;
}

.value-box {
  margin-bottom: 6px;
  font-size: 0.83rem;
}

.value-box strong {
  color: var(--gng-red);
  font-weight: 700;
}

.value-box.roi strong {
  color: var(--gng-green);
}

/* VISUAL SITEMAP TREE DIAGRAM */
.diagram-section {
  background: #F8FAFC;
  border: 2px dashed var(--gng-red);
  border-radius: 14px;
  padding: 25px;
  margin-bottom: 35px;
  position: relative;
}

.diagram-header {
  text-align: center;
  margin-bottom: 25px;
}

.diagram-header h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-ink);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.diagram-header p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.sitemap-root {
  display: flex;
  justify-content: center;
  margin-bottom: 25px;
}

.root-card {
  background: var(--primary-ink);
  color: #FFF;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  padding: 10px 28px;
  border-radius: 30px;
  letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(28, 37, 54, 0.25);
  border: 2px solid var(--gng-yellow);
}

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 992px) {
  .sitemap-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .action-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-actions {
    justify-content: flex-start;
  }
}

.tree-node {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: all 0.2s ease;
}

.tree-node:hover {
  border-color: var(--gng-red);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(178, 58, 46, 0.12);
}

.node-title {
  background: rgba(178, 58, 46, 0.08);
  color: var(--gng-red);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  padding: 6px 10px;
  border-radius: 6px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-left: 3px solid var(--gng-red);
}

.node-title.highlight {
  background: var(--gng-yellow);
  color: var(--primary-ink);
  border-left-color: var(--primary-ink);
}

.node-list {
  font-size: 0.8rem;
  color: var(--text-dark);
  list-style: none;
}

.node-list li {
  margin-bottom: 5px;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.node-list li::before {
  content: "•";
  color: var(--gng-red);
  font-weight: bold;
}

/* ==========================================================================
   PRICING TABLE & SUMMARY
   ========================================================================== */

.table-section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary-ink);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
}

.quote-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
  font-size: 0.88rem;
}

.quote-table th {
  background: var(--primary-ink);
  color: #FFF;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-align: left;
  padding: 10px 14px;
}

.quote-table th:first-child {
  border-top-left-radius: 8px;
}

.quote-table th:last-child {
  border-top-right-radius: 8px;
  text-align: right;
}

.quote-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.quote-table tr:hover td {
  background: rgba(243, 192, 18, 0.05);
}

.item-cat {
  background: #F1F5F9 !important;
  font-weight: 800;
  color: var(--primary-ink);
  font-size: 0.92rem;
}

.item-cat td {
  padding: 8px 14px;
}

.text-right {
  text-align: right;
}

.price-col {
  font-weight: 700;
  color: var(--primary-ink);
}

.price-input {
  width: 115px;
  text-align: right;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  color: var(--gng-red);
  background: #FFF;
}

.summary-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 25px;
  margin-bottom: 35px;
}

.notes-card {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  padding: 18px;
  border-radius: 12px;
  font-size: 0.85rem;
  color: #78350F;
}

.notes-card h4 {
  font-weight: 800;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.notes-card ul {
  padding-left: 18px;
}

.notes-card li {
  margin-bottom: 5px;
}

.total-card {
  background: #FAF8F5;
  border: 1px solid #EAE5DC;
  border-radius: 12px;
  padding: 18px;
}

.total-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.92rem;
}

.total-row.grand-total {
  border-bottom: none;
  padding-top: 12px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gng-red);
}

/* TIMELINE ROADMAP */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 35px;
}

.timeline-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 14px;
  border-radius: 10px;
}

.timeline-step .step-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gng-red);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.timeline-step h4 {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-step p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* SIGNATURE BOX */
.signature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  text-align: center;
  margin-top: 40px;
  padding-top: 25px;
  border-top: 2px solid #F1F5F9;
}

.signature-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--primary-ink);
}

.signature-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.signature-space {
  height: 80px;
}

/* INTERACTIVE POPUP MODAL */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: #FFFFFF;
  border-radius: 16px;
  max-width: 950px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 18px 24px;
  background: var(--primary-ink);
  color: #FFFFFF;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top-left-radius: 15px;
  border-top-right-radius: 15px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.modal-header h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gng-yellow);
}

.modal-close {
  background: rgba(255,255,255,0.15);
  border: none;
  color: #FFF;
  font-size: 1.5rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--gng-red);
}

.modal-body {
  padding: 24px;
  font-size: 0.88rem;
}

.modal-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.modal-table th {
  background: #F1F5F9;
  color: var(--primary-ink);
  font-weight: 700;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 2px solid var(--border);
}

.modal-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.modal-table tr:hover td {
  background: #FAF8F5;
}

.spec-badge {
  background: rgba(2, 132, 199, 0.1);
  color: #0284C7;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
}

/* PRINT STYLES FOR PDF */
@media print {
  body {
    background: #FFF;
    padding: 0;
  }
  
  .quotation-wrapper {
    box-shadow: none;
    border: none;
    padding: 0;
    max-width: 100%;
  }

  .action-bar, .modal-overlay {
    display: none !important;
  }

  .price-input {
    border: none;
    background: transparent;
  }

  .diagram-section, .page-value-section {
    border-style: solid;
    page-break-inside: avoid;
  }
}