/* ==========================================================================
   High-Voltage Electrical Pole Pricing & Quotation System - Main Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
  --bg-dark: #0b0f19;
  --bg-card: rgba(26, 34, 52, 0.75);
  --bg-card-hover: rgba(36, 48, 74, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --border-color: rgba(255, 255, 255, 0.12);
  --border-glow: rgba(0, 242, 254, 0.3);
  
  --primary: #00f2fe;
  --primary-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --accent-gold: #fbbf24;
  --accent-gold-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  --accent-success: #10b981;
  --accent-danger: #ef4444;
  --accent-purple: #8b5cf6;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #cbd5e1;

  --shadow-main: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Sarabun', 'Inter', sans-serif;
}

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(at 0% 0%, rgba(79, 172, 254, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(245, 158, 11, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  padding-bottom: 50px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Nav */
.header {
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 0;
}

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

.logo-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #000;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.logo-text h1 {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.logo-text p {
  font-size: 12px;
  color: var(--text-muted);
}

.nav-tabs {
  display: flex;
  background: rgba(30, 41, 59, 0.6);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.tab-btn.active {
  background: var(--primary-gradient);
  color: #090d16;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 242, 254, 0.3);
}

/* Dashboard Summary Cards */
.summary-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
}

.stat-card.gold::after { background: var(--accent-gold); }
.stat-card.green::after { background: var(--accent-success); }
.stat-card.purple::after { background: var(--accent-purple); }

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.stat-title {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  font-family: 'Inter', 'Sarabun', sans-serif;
}

.stat-sub {
  font-size: 12px;
  color: var(--accent-success);
  margin-top: 4px;
}

/* Grid & Section Layout */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-main);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Form Inputs */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

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

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
}

.form-control {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.15);
}

/* Smart Pole Selector Box Layout Rows */
.pole-selector-grid-row1 {
  display: grid;
  grid-template-columns: 2.2fr 1fr 2.2fr 0.9fr;
  gap: 16px;
  align-items: end;
  width: 100%;
  box-sizing: border-box;
}

.pole-selector-grid-row2 {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border-color);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: end;
  width: 100%;
  box-sizing: border-box;
}

.btn-add-pole-container {
  grid-column: 1 / -1;
  margin-top: 6px;
  width: 100%;
}

@media (max-width: 1024px) {
  .pole-selector-grid-row1 {
    grid-template-columns: 1fr 1fr;
  }
  .pole-selector-grid-row2 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .pole-selector-grid-row1,
  .pole-selector-grid-row2 {
    grid-template-columns: 1fr;
  }
}

/* Pole Assembly Configurator Table */
.pole-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.pole-table th, .pole-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 14px;
}

.pole-table th {
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 12px;
}

.pole-table tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.badge-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(0, 242, 254, 0.15);
  color: var(--primary);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

/* Checkbox Toggles */
.toggle-options {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.toggle-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(30, 41, 59, 0.8);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  user-select: none;
  transition: all 0.2s ease;
}

.toggle-chip input[type="checkbox"] {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.toggle-chip:hover {
  border-color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #090d16;
  box-shadow: 0 4px 14px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
}

.btn-gold {
  background: var(--accent-gold-gradient);
  color: #090d16;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

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

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3);
}

/* Document Container & Action Bar */
.doc-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.doc-paper {
  background: #ffffff;
  color: #1e293b;
  width: 210mm;
  min-height: 297mm;
  padding: 20mm 15mm;
  margin: 0 auto 30px auto;
  box-shadow: 0 20px 40px rgba(0,0,0,0.6);
  border-radius: 4px;
  font-family: 'Sarabun', sans-serif;
  font-size: 13px;
  line-height: 1.5;
}

.doc-paper * {
  color: #0f172a;
}

/* Commercial Quotation & Government BOQ Styling */
.doc-header-table {
  width: 100%;
  margin-bottom: 20px;
  border-collapse: collapse;
}

.doc-header-table td {
  vertical-align: top;
  border: none;
}

.company-title {
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
}

.company-sub {
  font-size: 12px;
  color: #475569;
}

.doc-title-box {
  text-align: right;
}

.doc-title-main {
  font-size: 22px;
  font-weight: 700;
  color: #0284c7;
  letter-spacing: 1px;
}

.doc-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 20px;
  background: #f8fafc;
}

.doc-info-item p {
  margin-bottom: 4px;
  font-size: 12px;
}

.doc-info-item strong {
  color: #0f172a;
}

/* Standard Print Table */
.print-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

.print-table th, .print-table td {
  border: 1px solid #94a3b8;
  padding: 8px 10px;
  font-size: 12px;
}

.print-table th {
  background: #f1f5f9;
  font-weight: 700;
  text-align: center;
}

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

.doc-signatures {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
  text-align: center;
}

.sig-box {
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 15px 10px;
  background: #fafafa;
}

.sig-line {
  margin: 40px 0 10px 0;
  border-bottom: 1px dotted #64748b;
}

/* ==========================================================================
   LIGHT MODE & THEME TOGGLE STYLES
   ========================================================================== */

[data-theme="light"] {
  --bg-dark: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --border-color: #cbd5e1;
  --border-glow: rgba(2, 132, 199, 0.4);
  
  --primary: #0284c7;
  --primary-gradient: linear-gradient(135deg, #0284c7 0%, #06b6d4 100%);
  --accent-gold: #d97706;
  --accent-gold-gradient: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
  --accent-success: #059669;
  --accent-danger: #dc2626;
  --accent-purple: #7c3aed;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #334155;

  --shadow-main: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] body {
  background-color: #f1f5f9;
  background-image: 
    radial-gradient(at 0% 0%, rgba(2, 132, 199, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(217, 119, 6, 0.06) 0px, transparent 50%);
  color: #0f172a;
}

[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid #cbd5e1;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .logo-text h1 {
  background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .nav-tabs {
  background: #e2e8f0;
  border: 1px solid #cbd5e1;
}

[data-theme="light"] .tab-btn {
  color: #475569;
}

[data-theme="light"] .tab-btn:hover {
  color: #0f172a;
}

[data-theme="light"] .tab-btn.active {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

[data-theme="light"] .stat-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .stat-card:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .section-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .section-header {
  border-bottom-color: #e2e8f0;
}

[data-theme="light"] .form-control {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #0f172a;
}

[data-theme="light"] .form-control:focus {
  border-color: #0284c7;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

[data-theme="light"] .pole-table th {
  background: #f8fafc;
  color: #334155;
  border-bottom: 2px solid #cbd5e1;
}

[data-theme="light"] .pole-table td {
  border-bottom: 1px solid #e2e8f0;
  color: #1e293b;
}

[data-theme="light"] .btn-outline {
  border-color: #cbd5e1;
  color: #334155;
}

[data-theme="light"] .btn-outline:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
}

[data-theme="light"] .btn-draw-cat {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #334155;
}

[data-theme="light"] .btn-draw-cat:hover {
  background: #f8fafc;
  border-color: #0284c7;
  color: #0284c7;
}

[data-theme="light"] .btn-draw-cat.active {
  background: linear-gradient(135deg, #0284c7 0%, #06b6d4 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

[data-theme="light"] select option {
  background-color: #ffffff;
  color: #0f172a;
}

[data-theme="light"] .pole-table tfoot td,
[data-theme="light"] .pole-table tfoot tr {
  background: #f8fafc !important;
  color: #0f172a !important;
  border-top: 2px solid #cbd5e1 !important;
}

[data-theme="light"] .text-gold {
  color: #d97706 !important;
}

[data-theme="light"] .text-muted {
  color: #64748b !important;
}

[data-theme="light"] .badge-tag {
  background: rgba(2, 132, 199, 0.1) !important;
  color: #0284c7 !important;
  border-color: rgba(2, 132, 199, 0.25) !important;
}

[data-theme="light"] code {
  background: #f1f5f9 !important;
  color: #0f172a !important;
  border: 1px solid #cbd5e1 !important;
  padding: 2px 6px;
  border-radius: 4px;
}

[data-theme="light"] .toggle-chip {
  background: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #1e293b !important;
}

[data-theme="light"] .btn-reset-material-prices {
  background: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #dc2626 !important;
}

[data-theme="light"] .btn-reset-material-prices:hover {
  background: #fef2f2 !important;
  border-color: #fca5a5 !important;
}

/* Theme Toggle Button Styles */
.theme-toggle-btn {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
}

.theme-toggle-btn:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 6px 16px rgba(0, 242, 254, 0.25);
}

[data-theme="light"] .theme-toggle-btn {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #0f172a;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .theme-toggle-btn:hover {
  border-color: #0284c7;
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.2);
}

/* ==========================================================================
   PRINT STYLESHEET (@media print) - Print ONLY Quotation / BOQ Document Paper
   ========================================================================== */
@media print {
  @page {
    size: A4 portrait;
    margin: 12mm 15mm;
  }

  /* Hide header, navigation, summary bar, left form inputs, buttons, sidebars */
  header, .header, .summary-bar, .nav-tabs, .doc-actions, .no-print, .section-card, form, button, input, textarea, select {
    display: none !important;
  }

  /* Hide all tabs and sidebars except the printable paper element */
  body * {
    visibility: hidden;
  }

  /* Only make document-preview-container and its contents visible */
  #document-preview-container,
  #document-preview-container * {
    visibility: visible;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
  }

  main, .container, .grid, .tab-content {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }

  #document-preview-container {
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    background: #ffffff !important;
  }

  .doc-paper {
    width: 100% !important;
    max-width: 100% !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    background: #ffffff !important;
    font-size: 11pt !important;
  }

  .doc-paper * {
    color: #000000 !important;
  }

  .doc-paper table {
    page-break-inside: auto;
  }

  .doc-paper tr {
    page-break-inside: avoid;
    page-break-after: auto;
  }
}