/* Core Stylesheet: Lalji Vishwakarma Bill Generator */

:root {
  /* Control Panel Colors (Dark Palette) */
  --bg-panel: #111827;
  --bg-panel-darker: #0b0f19;
  --bg-input: #1f2937;
  --border-input: #374151;
  --text-primary: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dark: #1f2937;
  
  /* Brand accents */
  --accent-color: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #3b82f6, #1d4ed8);
  --accent-hover-gradient: linear-gradient(135deg, #60a5fa, #3b82f6);
  --danger-color: #ef4444;
  --danger-hover: #dc2626;
  --success-color: #10b981;
  
  /* Document Sheet Colors (Print Look) */
  --doc-bg: #ffffff;
  --doc-text: #111827;
  --doc-border: #111827;
  --doc-border-light: #9ca3af;
  --doc-table-header: #f3f4f6;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-panel-darker);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* App Layout Grid */
.app-container {
  display: flex;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* Control Panel (Sidebar) */
.control-panel {
  width: 440px;
  background-color: var(--bg-panel);
  border-right: 1px solid var(--border-input);
  display: flex;
  flex-direction: column;
  height: 100%;
  flex-shrink: 0;
  box-shadow: 10px 0 30px rgba(0, 0, 0, 0.4);
  z-index: 10;
}

.panel-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-input);
  background: var(--bg-panel-darker);
}

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

.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-gradient);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.5px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.logo-area h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
  line-height: 1.2;
}

.logo-area p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Panel Scrollable Area */
.panel-scroll-area {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Hide scrollbar for clean dashboard feel */
.panel-scroll-area::-webkit-scrollbar {
  width: 6px;
}
.panel-scroll-area::-webkit-scrollbar-track {
  background: transparent;
}
.panel-scroll-area::-webkit-scrollbar-thumb {
  background: var(--border-input);
  border-radius: 3px;
}

.panel-section {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 18px;
}

.panel-section h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-left: 3px solid var(--accent-color);
  padding-left: 8px;
}

.section-header-action {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section-header-action h2 {
  margin-bottom: 0;
}

/* Form Controls */
.form-group {
  margin-bottom: 14px;
}
.form-group:last-child {
  margin-bottom: 0;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.2px;
}

.form-control {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: 8px;
  color: white;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-family: inherit;
  transition: all 0.2s ease;
  outline: none;
}

.form-control:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 14px;
  padding-right: 40px;
}

/* Dynamic Items Form Items */
.items-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.item-row {
  display: grid;
  grid-template-columns: 24px 1fr 65px 75px 24px;
  gap: 8px;
  align-items: center;
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255, 255, 255, 0.03);
  padding: 8px;
  border-radius: 10px;
}

.item-index-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
}

.btn-delete-row {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.btn-delete-row:hover {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--danger-color);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 8px;
  padding: 10px 18px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  text-align: center;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: var(--accent-hover-gradient);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-color);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.25);
  color: #60a5fa;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.75rem;
  border-radius: 6px;
}

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

.btn-outline:hover {
  background-color: var(--bg-input);
}

.btn-danger:hover {
  border-color: var(--danger-color);
  color: var(--danger-color);
  background-color: rgba(239, 68, 68, 0.05);
}

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

/* Sidebar Footer Panel */
.panel-footer {
  padding: 24px;
  border-top: 1px solid var(--border-input);
  background: var(--bg-panel-darker);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-sub-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.panel-credit {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 12px;
  letter-spacing: 0.3px;
}

.panel-credit a {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
}

.panel-credit a:hover {
  color: #60a5fa;
  text-decoration: underline;
}

/* Right Content Area (Document Preview) */
.preview-area {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-panel-darker);
  overflow: hidden;
  position: relative;
}

.preview-toolbar {
  padding: 14px 24px;
  background-color: rgba(17, 24, 39, 0.6);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-input);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 5;
}

.preview-status {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--success-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success-color);
  box-shadow: 0 0 10px var(--success-color);
}

.preview-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Document Scroller wrapper */
.document-scroller {
  flex: 1;
  overflow-y: auto;
  padding: 30px 20px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background: radial-gradient(circle at top, #1e293b, #0f172a);
}

/* ============================================================
   A4 PAGE — Excel-exact layout
   Blue accent:  #1a56b0  (matches screenshot border colour)
   ============================================================ */

/* Excel blue accent */
:root { --xl-blue: #1a56b0; }

/* A4 wrapper */
.a4-page {
  width: 210mm;
  min-height: 297mm;
  background: #fff;
  color: #111;
  padding: 10mm 12mm 12mm;
  box-shadow: 0 20px 45px rgba(0,0,0,.5);
  box-sizing: border-box;
  font-family: 'Calibri', 'Inter', Arial, sans-serif;
  font-size: 10pt;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── HEADER ROW ── */
.lh-header-row {
  display: flex;
  align-items: center;
  width: 100%;
  border: 1.5px solid var(--xl-blue);
  border-bottom: none;           /* divider handles bottom */
  padding: 6px 8px;
}

.lh-logo-cell {
  width: 90px;
  height: 90px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
}

.lh-logo-img {
  width: 90px;
  height: 90px;
  object-fit: contain;
  display: block;
}

.lh-title-cell {
  flex: 1;
  text-align: center;
}

.lh-company-name {
  font-family: 'Outfit', 'Calibri', Arial, sans-serif;
  font-size: 26pt;
  font-weight: 900;
  color: var(--xl-blue);
  line-height: 1.05;
  letter-spacing: .5px;
}

.lh-company-sub {
  font-size: 10pt;
  font-weight: 700;
  color: #111;
  margin-top: 2px;
}

.lh-company-addr {
  font-size: 8.5pt;
  color: #333;
  margin-top: 2px;
}

.lh-phone-cell {
  width: 130px;
  text-align: right;
  font-size: 9pt;
  font-weight: 600;
  align-self: flex-start;
  padding-top: 2px;
}

/* ── DIVIDERS ── */
.lh-divider {
  height: 3px;
  background: var(--xl-blue);
}

.lh-divider-thin {
  height: 1.5px;
  background: var(--xl-blue);
  margin-bottom: 0;
}

/* ── META TABLE (M/s. / Bill No / Date) ── */
.meta-table {
  width: 100%;
  border-collapse: collapse;
  border: 1.5px solid var(--xl-blue);
  border-top: none;
  border-bottom: none;
  font-size: 9.5pt;
}

.meta-table td {
  padding: 4px 8px;
  border-bottom: 1px solid var(--xl-blue);
}

/* Last row — no bottom border (divider-thin covers it) */
.meta-table tr:last-child td { border-bottom: none; }

.meta-ms {
  width: 45px;
  font-weight: 700;
  color: var(--xl-blue);
  white-space: nowrap;
  border-right: 1px solid var(--xl-blue);
}

.meta-client-name {
  font-weight: 700;
  font-size: 10pt;
  text-align: center;
}

.meta-ms-blank { width: 45px; border-right: 1px solid var(--xl-blue); }
.meta-client-blank { }

.meta-billno-label,
.meta-date-label {
  width: 55px;
  font-weight: 700;
  color: #111;
  white-space: nowrap;
  border-left: 1.5px solid var(--xl-blue);
  border-right: 1px solid var(--xl-blue);
  text-align: left;
}

.meta-billno-value,
.meta-date-value {
  width: 100px;
  font-weight: 700;
  text-align: left;
}

/* ── ITEMS TABLE ── */
.items-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 9.5pt;
  border: 1.5px solid var(--xl-blue);
  border-top: none;
  flex: 1;
}

.items-table th,
.items-table td {
  border: 1px solid var(--xl-blue);
  padding: 5px 6px;
  vertical-align: middle;
}

/* Column headers */
.items-table thead th {
  font-weight: 700;
  color: var(--xl-blue);
  text-align: center;
  background: #fff;
  font-size: 9.5pt;
}

.col-srno       { width:  7%; text-align: center; }
.col-particulars{ width: 50%; text-align: center; }
.col-sqft       { width: 12%; text-align: center; }
.col-rate       { width: 12%; text-align: center; }
.col-amount     { width: 14%; text-align: center; }

/* Body rows */
.items-table tbody td { color: #111; height: 22px; }

/* Sr.No col */
.items-table tbody td:nth-child(1) {
  text-align: center;
  font-weight: 600;
  color: #b8860b; /* golden/orange like Excel screenshot serial numbers */
}

/* Particulars col — centered for descriptions, left for measured items */
.items-table tbody td:nth-child(2) { text-align: center; }

/* Sq.ft */
.items-table tbody td:nth-child(3) { text-align: center; }

/* Rate */
.items-table tbody td:nth-child(4) { text-align: center; }

/* Amount */
.items-table tbody td:nth-child(5) {
  text-align: right;
  font-weight: 600;
}

/* ── TFOOT — Total row ── */
.total-row td {
  border: 1px solid var(--xl-blue);
  font-weight: 700;
  font-size: 10pt;
  padding: 5px 6px;
}

.tfoot-empty {
  border: none !important;
  background: transparent;
}

.tfoot-label {
  text-align: right;
  color: #111;
  font-weight: 700;
  border-left: 1px solid var(--xl-blue) !important;
}

.tfoot-value {
  text-align: right;
  font-weight: 700;
  color: #111;
}

/* ── FOOTER TABLE (Rs. row + Signature) ── */
.footer-table {
  width: 100%;
  border-collapse: collapse;
  border: 1.5px solid var(--xl-blue);
  border-top: none;
  font-size: 9.5pt;
}

.footer-table td {
  padding: 6px 10px;
  border: 1px solid var(--xl-blue);
  vertical-align: middle;
}

.ft-rs-label {
  width: 45px;
  font-weight: 700;
  color: #111;
  text-align: left;
  border-right: 1px solid var(--xl-blue);
}

.ft-rs-value {
  font-style: italic;
  font-weight: 500;
  color: #111;
}

.ft-sig {
  width: 170px;
  text-align: center;
  font-weight: 700;
  color: var(--xl-blue);
  border-left: 1.5px solid var(--xl-blue);
  vertical-align: middle;
}

.ft-note-label { width: 45px; border-right: 1px solid var(--xl-blue); }
.ft-note-value { }

/* ── Labour Job Only row ── */
.labour-row {
  border: 1.5px solid var(--xl-blue);
  border-top: none;
  padding: 6px 10px;
  text-align: center;
}

.labour-text {
  font-weight: 700;
  color: var(--xl-blue);
  font-size: 10pt;
}

/* ============================================================
   RESPONSIVE DESIGN — Mobile, Tablet & Desktop Layouts
   ============================================================ */

@media (max-width: 1024px) {
  body {
    height: auto !important;
    overflow: auto !important;
  }

  .app-container {
    flex-direction: column;
    height: auto !important;
    overflow: visible !important;
  }
  
  .control-panel {
    width: 100%;
    height: auto;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--border-input);
  }
  
  .panel-scroll-area {
    overflow-y: visible;
    max-height: none;
    height: auto;
  }
  
  .preview-area {
    width: 100%;
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }
  
  .document-scroller {
    padding: 20px 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: auto;
    width: 100%;
  }
}

@media (max-width: 840px) {
  .a4-page {
    zoom: 0.8;
    margin: 0 auto;
  }
}

@media (max-width: 680px) {
  .a4-page {
    zoom: 0.65;
  }
}

@media (max-width: 520px) {
  .a4-page {
    zoom: 0.5;
  }
  
  .panel-scroll-area {
    padding: 16px;
  }
  
  .panel-section {
    padding: 12px;
  }
  
  .item-row {
    grid-template-columns: 20px 1fr 50px 60px 20px;
    gap: 4px;
    padding: 8px 4px;
  }
  
  .form-control {
    padding: 8px 10px;
    font-size: 0.8rem;
  }
  
  .btn {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
  
  .logo-area h1 {
    font-size: 1rem;
  }
}

@media (max-width: 400px) {
  .a4-page {
    zoom: 0.42;
  }
  
  .item-row {
    grid-template-columns: 15px 1fr 45px 50px 15px;
    gap: 2px;
  }
}

/* ============================================================
   PRINT  —  hide sidebar, keep A4 page only
   ============================================================ */
/* @page margin: 0 kills the browser's date/title header & footer completely */
@page {
  margin: 0;
  size: A4 portrait;
}

@media print {
  body {
    background: white !important;
    color: black !important;
    overflow: visible !important;
    height: auto !important;
  }

  .no-print { display: none !important; }

  .app-container {
    display: block !important;
    height: auto !important;
    width: auto !important;
    overflow: visible !important;
    box-shadow: none !important;
  }

  .preview-area {
    background: transparent !important;
    display: block !important;
    height: auto !important;
    width: 100% !important;
    overflow: visible !important;
    padding: 0 !important;
  }

  .document-scroller {
    background: none !important;
    padding: 0 !important;
    overflow: visible !important;
    display: block !important;
    height: auto !important;
    width: 100% !important;
  }

  .a4-page {
    width: 210mm !important;
    min-height: 297mm !important;
    padding: 12mm 14mm !important;
    box-shadow: none !important;
    margin: 0 !important;
    border: none !important;
    page-break-after: avoid !important;
    page-break-inside: avoid !important;
    zoom: 1 !important; /* Ensure printing resets scale back to 100% */
  }

  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
}