/* Premium Corporate Design System - light/slate theme (no AI look) */
:root {
  /* Colors - Clean Corporate Theme */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --border-color: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #64748b;
  
  /* Sidebar Navy */
  --sidebar-bg: #0f172a;
  --sidebar-text: #e2e8f0;
  --sidebar-text-muted: #94a3b8;
  --sidebar-hover: rgba(255, 255, 255, 0.06);
  --sidebar-active: #0284c7; /* Sky blue corporate accent */
  
  /* Accents */
  --accent-blue: #005596; /* EnBW Corporate Blue */
  --accent-orange: #ef7c00; /* EnBW Corporate Orange */
  --enbw-blue: #005596;
  --enbw-orange: #ef7c00;
  --accent-success: #16a34a;
  --accent-danger: #dc2626;
  --accent-warning: #d97706;
  
  /* Fonts & Shadows */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-premium: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.02);
  --border-radius: 8px;
  
  --zoom-scale: 1;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
  line-height: 1.5;
}

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

/* Sidebar styling - Slate/Navy Corporate Look */
.sidebar {
  width: 280px;
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  border-right: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.logo-area {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo-glow {
  display: none; /* Removed AI glowing elements */
}

.logo-icon {
  font-size: 24px;
  color: var(--accent-orange);
}

.logo-area h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #fff;
}

.sub-logo {
  font-size: 10px;
  color: var(--sidebar-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.nav-menu {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
}

.menu-label {
  font-size: 10px;
  color: var(--sidebar-text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  margin: 16px 12px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--sidebar-text-muted);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.2s ease;
  margin-bottom: 4px;
}

.nav-item i {
  font-size: 16px;
  width: 16px;
  text-align: center;
}

.nav-item:hover {
  background-color: var(--sidebar-hover);
  color: #fff;
}

.nav-item.active {
  background-color: var(--sidebar-active);
  color: #fff;
}

.template-list {
  display: flex;
  flex-direction: column;
}

.template-item {
  display: flex;
  align-items: center;
  padding: 8px 12px;
}

.template-item .badge {
  background-color: rgba(255,255,255,0.06);
  color: var(--sidebar-text);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.1);
  min-width: 28px;
  text-align: center;
}

.template-item.active .badge {
  background-color: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-color: transparent;
}

.template-item .lbl {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-left: 8px;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-profile .avatar {
  font-size: 28px;
  color: var(--sidebar-text-muted);
}

.user-profile .name {
  font-size: 12.5px;
  font-weight: 600;
}

.user-profile .role {
  font-size: 10px;
  color: var(--sidebar-text-muted);
}

/* Main Workspace */
.main-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Topbar Controls */
.topbar {
  height: 70px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  flex-shrink: 0;
}

.topbar-left-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hamburger menu trigger (Hidden by default on desktop) */
.hamburger-menu {
  display: none;
  font-size: 20px;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}

.active-title h1 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}

.active-title p {
  font-size: 11px;
  color: var(--text-muted);
}

/* Mobile/Tablet view tab switcher (Hidden by default) */
.mobile-view-tabs {
  display: none;
  background-color: var(--bg-tertiary);
  border-radius: var(--border-radius);
  padding: 3px;
  gap: 2px;
}

.mobile-tab-btn {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.mobile-tab-btn.active {
  background-color: var(--bg-secondary);
  color: var(--accent-blue);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.action-buttons {
  display: flex;
  gap: 8px;
}

/* Touch-optimized Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  padding: 9px 15px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  color: #fff;
  min-height: 38px; /* Safe touch target height */
}

.btn-primary {
  background-color: var(--accent-blue);
  box-shadow: var(--shadow-card);
}

.btn-primary:hover {
  background-color: #00457a;
}

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

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
}

.btn-danger {
  background-color: var(--accent-danger);
}

.btn-danger:hover {
  background-color: #b91c1c;
}

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

.btn-danger-outline:hover {
  background-color: rgba(220, 38, 38, 0.05);
}

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-icon:hover {
  background-color: var(--bg-tertiary);
}

/* Workspace Body Structure */
.workspace-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Left Panel (Formular-Seite) */
.left-panel {
  width: 45%;
  min-width: 420px;
  max-width: 600px;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.card {
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--bg-secondary);
}

.card-icon {
  color: var(--accent-blue);
  font-size: 16px;
}

.card-header h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

.card-body {
  padding: 20px;
  flex: 1;
  background-color: var(--bg-secondary);
}

.scrollable {
  overflow-y: auto;
}

/* Tab contents switcher */
.tab-content {
  display: none;
}

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

/* Welcome Page (Dashboard) - Professional & Clean */
.welcome-box {
  background-color: var(--bg-tertiary);
  padding: 20px;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  margin-bottom: 20px;
  position: relative;
}

.welcome-bg {
  display: none; /* Remove glowing elements */
}

.welcome-box h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--accent-blue);
}

.welcome-box p {
  color: var(--text-muted);
  font-size: 12.5px;
  margin-bottom: 16px;
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.step-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 14px;
  border-radius: 6px;
}

.step-num {
  font-size: 16px;
  font-weight: 800;
  color: var(--accent-orange);
  margin-bottom: 4px;
}

.step-card h4 {
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-main);
}

.step-card p {
  font-size: 11px;
  color: var(--text-muted);
  margin: 0;
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  gap: 10px;
}

.stat-card i {
  font-size: 18px;
  color: var(--accent-blue);
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 14px;
  font-weight: 700;
}

.stat-label {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Forms styling (Standard Corporate Look) */
.modern-form .form-section {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
}

.form-section h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.form-section h4 i {
  color: var(--accent-blue);
  margin-right: 6px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.col-span-2 {
  grid-column: span 2;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Touch friendly inputs */
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group select,
.form-group textarea {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 9px 12px; /* Touch padding */
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 13.5px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  width: 100%;
  min-height: 38px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 85, 150, 0.1);
}

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

/* Touch-optimized Checkboxes */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  min-height: 38px;
}

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.checkbox-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
  text-transform: none;
  cursor: pointer;
  user-select: none;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 12px;
}

/* Custom Template Creator field rows styling */
.tc-field-row {
  display: flex;
  gap: 8px;
  align-items: center;
  background-color: var(--bg-tertiary);
  padding: 8px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.tc-field-row input, .tc-field-row select {
  font-size: 12px !important;
  min-height: 32px !important;
  padding: 4px 8px !important;
}

/* VDE Table Row Inputs */
.table-inputs-container {
  overflow-x: auto;
  margin-top: 12px;
}

.table-inputs-container table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.table-inputs-container th {
  font-size: 10.5px;
  color: var(--text-muted);
  text-align: left;
  padding: 6px;
  border-bottom: 1px solid var(--border-color);
}

.table-inputs-container td {
  padding: 4px;
  border-bottom: 1px solid var(--border-color);
}

.table-inputs-container td input {
  padding: 4px 6px;
  font-size: 11px;
}

/* Right Panel & PDF Preview Canvas */
.right-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-tertiary);
  overflow: hidden;
}

.preview-header {
  height: 48px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  flex-shrink: 0;
}

.preview-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-muted);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-success);
  box-shadow: 0 0 6px var(--accent-success);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.5; }
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
}

.preview-scroll-wrapper {
  flex: 1;
  overflow: auto;
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background-color: #e2e8f0;
}

/* Realistic A4 Page container */
.a4-page-container {
  transform-origin: top center;
  transition: transform 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Individual A4 Page */
.a4-page {
  width: 210mm;
  min-height: 297mm;
  padding: 15mm 15mm;
  background-color: #ffffff;
  color: #000000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  line-height: 1.3;
  position: relative;
  box-sizing: border-box;
}

/* Placeholder card when nothing is selected */
.no-preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px;
  text-align: center;
  color: var(--text-muted);
  width: 210mm;
  height: 297mm;
  background-color: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-premium);
}

.placeholder-icon {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--accent-blue);
}

.no-preview-placeholder h3 {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text-main);
  margin-bottom: 6px;
}

.no-preview-placeholder p {
  max-width: 280px;
  font-size: 12px;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 999;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 90%;
  max-width: 520px;
  overflow: hidden;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text-main);
}

.modal-header h3 i {
  color: var(--accent-blue);
  margin-right: 8px;
}

.btn-close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
}

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

.modal-body {
  padding: 20px;
}

.modal-body p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.signature-canvas-container {
  background-color: #fff;
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

#signature-pad {
  width: 100%;
  height: 180px;
  cursor: crosshair;
  background-color: #fff;
}

.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Touch-friendly Signature trigger */
.signature-input-field {
  border: 1.5px dashed var(--border-color);
  border-radius: 6px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background-color: var(--bg-primary);
  min-height: 70px;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.signature-input-field:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-blue);
}

.signature-input-field img {
  max-height: 50px;
  max-width: 100%;
}

.signature-input-field span {
  font-size: 11px;
  color: var(--text-muted);
}

/* ========================================== */
/* TEMPLATE STYLING (A4 PRINT PAGES SPECIFICS) */
/* ========================================== */

.t-header {
  border-bottom: 1.5px solid #000;
  padding-bottom: 6px;
  margin-bottom: 10px;
}

.t-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.t-company-info {
  font-size: 10px;
  font-weight: bold;
}

.t-doc-title {
  font-size: 15px;
  font-weight: bold;
  color: var(--enbw-blue);
  margin-top: 4px;
}

/* Form structure styles for printable template forms */
.p-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 6px;
  margin-bottom: 10px;
}

.p-col-12 { grid-column: span 12; }
.p-col-8 { grid-column: span 8; }
.p-col-6 { grid-column: span 6; }
.p-col-4 { grid-column: span 4; }
.p-col-3 { grid-column: span 3; }
.p-col-2 { grid-column: span 2; }

/* Custom field styles inside printable sheet */
.p-box {
  border: 1px solid #777;
  padding: 4px 6px;
  min-height: 28px;
  background-color: #fcfcfc;
}

.p-box-title {
  font-size: 8px;
  color: #555;
  font-weight: bold;
  margin-bottom: 2px;
}

.p-box-value {
  font-size: 9.5px;
  font-weight: bold;
  word-break: break-all;
}

/* Table styling for documents */
.p-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
  font-size: 9px;
}

.p-table th, .p-table td {
  border: 1px solid #333;
  padding: 4px;
  text-align: left;
}

.p-table th {
  background-color: #f0f0f0;
  font-weight: bold;
}

.p-table.vde-table th {
  background-color: var(--enbw-blue);
  color: white;
  border-color: #fff;
  text-align: center;
  font-size: 7.5px;
}

.p-table.vde-table td {
  text-align: center;
  height: 20px;
}

.p-table-subheading {
  background-color: #e6e6e6;
  font-weight: bold;
}

/* Document section dividers with primary background */
.p-section-header {
  background-color: var(--enbw-blue);
  color: #fff;
  padding: 3px 6px;
  font-weight: bold;
  font-size: 9.5px;
  margin-bottom: 6px;
  border-radius: 2px;
}

.p-checkbox-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.p-checkbox {
  width: 11px;
  height: 11px;
  border: 1px solid #000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  font-weight: bold;
  font-size: 8.5px;
  cursor: default;
}

/* Specific page layouts for LSV (Bundesnetzagentur) */
.bnetza-logo-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.bnetza-logo-row .fake-logo {
  font-weight: bold;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bnetza-title {
  font-size: 13px;
  font-weight: bold;
  margin-bottom: 10px;
  line-height: 1.4;
  text-align: center;
}

.bnetza-paragraph {
  font-size: 9px;
  line-height: 1.35;
  margin-bottom: 8px;
  text-align: justify;
}

.signature-block {
  display: flex;
  justify-content: space-between;
  margin-top: 15px;
  gap: 20px;
}

.signature-box {
  width: 48%;
  border-top: 1px solid #000;
  padding-top: 4px;
  text-align: center;
  font-size: 8px;
  position: relative;
  min-height: 50px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.signature-box img {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  max-height: 40px;
  max-width: 130px;
  pointer-events: none;
}

/* Page Counter indicator for print preview */
.page-footer-stamp {
  position: absolute;
  bottom: 8mm;
  left: 15mm;
  right: 15mm;
  display: flex;
  justify-content: space-between;
  font-size: 7.5px;
  color: #777;
  border-top: 1px solid #ccc;
  padding-top: 4px;
}

/* EnBW Orange styled headers for Trafo Checklists */
.enbw-bar {
  height: 3px;
  background-color: var(--enbw-orange);
  margin-bottom: 6px;
}

.enbw-logo {
  color: var(--enbw-blue);
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -1px;
}

.enbw-logo span {
  color: var(--enbw-orange);
}

.t-header-logo-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

/* Grounding sketch sheet */
.grounding-grid-sketch {
  border: 1px solid #333;
  height: 350px;
  margin-top: 8px;
  position: relative;
  background-color: #fafafa;
  overflow: hidden;
}

.grounding-grid-sketch svg {
  width: 100%;
  height: 100%;
}


/* ========================================== */
/* 📱 RESPONSIVE RESPONSIVENESS RULES (TABLET) */
/* ========================================== */

@media (max-width: 1024px) {
  
  /* Sidebar Drawer slideout layout */
  .sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    height: 100vh;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  /* Open state of drawer */
  .sidebar-open .sidebar {
    transform: translateX(280px);
  }
  
  /* Backdrop overlay when sidebar is open */
  .app-container::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(2px);
    z-index: 50;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  
  .sidebar-open::after {
    opacity: 1;
    pointer-events: auto;
  }
  
  /* Show hamburger menu trigger on mobile */
  .hamburger-menu {
    display: block;
  }
  
  /* Show View tabs (Formular / Vorschau) */
  .mobile-view-tabs {
    display: flex;
  }
  
  /* Stack Workspace Body elements */
  .workspace-body {
    position: relative;
    width: 100%;
  }
  
  /* Stack split panels into full-width tabs */
  .left-panel, .right-panel {
    width: 100% !important;
    max-width: none !important;
    min-width: 0 !important;
    border-right: none;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: opacity 0.2s ease, visibility 0.2s ease;
  }
  
  /* Tab routing states */
  .mobile-mode-form-active .left-panel {
    opacity: 1;
    visibility: visible;
    z-index: 5;
  }
  
  .mobile-mode-form-active .right-panel {
    opacity: 0;
    visibility: hidden;
    z-index: 1;
  }

  .mobile-mode-preview-active .left-panel {
    opacity: 0;
    visibility: hidden;
    z-index: 1;
  }
  
  .mobile-mode-preview-active .right-panel {
    opacity: 1;
    visibility: visible;
    z-index: 5;
  }
  
  /* Adjust top bar layout to wrap buttons on small tablet screens */
  .topbar {
    padding: 0 16px;
    gap: 12px;
  }
  
  .action-buttons {
    gap: 4px;
  }
  
  .action-buttons .btn {
    padding: 8px 10px;
    font-size: 11.5px;
  }
  
  .action-buttons .btn span {
    display: none; /* Hide button text on small screens, keep icons only */
  }
  
  .action-buttons .btn i {
    font-size: 14px;
    margin: 0;
  }
  
  /* Scale A4 preview page down to fit on tablet screens without scrollbars */
  .preview-scroll-wrapper {
    padding: 12px;
    justify-content: center;
  }
  
  .a4-page-container {
    transform: scale(0.85);
    transform-origin: top center;
  }
  
  /* Quick stats grid wraps on smaller tablets */
  .quick-stats {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* Extra small mobile screens */
@media (max-width: 600px) {
  .a4-page-container {
    transform: scale(0.55);
  }
}

/* Visual Form Filler Overlay Styles */
.printable-overlay-wrapper {
  position: relative;
  width: 210mm;
  height: 297mm;
  background-color: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  box-sizing: border-box;
  overflow: hidden;
  user-select: none;
}

.tc-bg-scan-img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 1;
}

.draggable-field-marker {
  position: absolute;
  z-index: 10;
  background-color: rgba(2, 132, 199, 0.25);
  border: 1.5px solid #0284c7;
  color: #0f172a;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: move;
  white-space: nowrap;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transform: translate(-50%, -50%);
}

.draggable-field-marker:hover {
  border-color: var(--accent-orange);
  background-color: rgba(239, 124, 0, 0.25);
  z-index: 20;
}

.draggable-field-marker.active-drag {
  border-color: var(--accent-success);
  background-color: rgba(22, 163, 74, 0.25);
}

.field-overlay-value {
  position: absolute;
  z-index: 5;
  font-family: var(--font-body), Arial, sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: #000000;
  transform: translate(-50%, -50%);
  pointer-events: none;
  white-space: pre-wrap;
  line-height: 1.2;
  text-align: left;
}

.field-overlay-value img {
  max-height: 44px;
  max-width: 150px;
  display: block;
}

.field-overlay-value.checkbox-val {
  font-size: 16px;
  font-weight: 900;
  color: #000000;
}

/* ========================================== */
/* PRINT LAYOUT RULE - TARGET A4 SPECIFICALLY */
/* ========================================== */

@media print {
  body {
    background-color: #fff;
    color: #000;
    overflow: visible !important;
    height: auto !important;
  }
  
  .app-container {
    display: block !important;
    height: auto !important;
    width: auto !important;
  }
  
  .sidebar,
  .topbar,
  .left-panel,
  .preview-header,
  .modal,
  .app-container::after {
    display: none !important;
  }
  
  .main-workspace {
    display: block !important;
    height: auto !important;
    overflow: visible !important;
  }
  
  .workspace-body {
    display: block !important;
    overflow: visible !important;
  }
  
  .right-panel {
    display: block !important;
    background-color: #fff !important;
    overflow: visible !important;
    position: relative !important;
  }
  
  .preview-scroll-wrapper {
    display: block !important;
    padding: 0 !important;
    overflow: visible !important;
    background-color: #fff !important;
  }
  
  .a4-page-container {
    display: block !important;
    transform: none !important;
    gap: 0 !important;
  }
  
  .a4-page {
    box-shadow: none !important;
    margin: 0 !important;
    padding: 10mm 15mm !important;
    page-break-after: always !important;
    page-break-inside: avoid !important;
    width: 210mm !important;
    height: 297mm !important;
    box-sizing: border-box !important;
    position: relative !important;
  }
  
  .a4-page:last-child {
    page-break-after: avoid !important;
  }
  
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
}

/* --- LOGIN SCREEN STYLES --- */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at 50% 50%, #1e293b 0%, #0f172a 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  font-family: 'Inter', sans-serif;
}

.login-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  width: 380px;
  padding: 30px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  text-align: center;
}

.login-header {
  margin-bottom: 25px;
}

.login-body {
  text-align: left;
}

.login-body input {
  width: 100%;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: #ffffff;
  font-size: 14px;
  box-sizing: border-box;
  transition: all 0.2s ease;
}

.login-body input:focus {
  outline: none;
  border-color: var(--primary-color);
  background: rgba(255, 255, 255, 0.08);
}

.login-geo-status {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 11px;
  margin-bottom: 15px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: #94a3b8;
}

.login-geo-status.geo-ok {
  background: rgba(16, 185, 129, 0.1);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.login-geo-status.geo-err {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.login-error-alert {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #f87171;
  padding: 10px;
  border-radius: 8px;
  font-size: 12px;
  margin-bottom: 15px;
  text-align: center;
}

.login-footer {
  margin-top: 25px;
  font-size: 10px;
  color: #64748b;
  line-height: 1.4;
}

/* Hide main container initially if login is active */
.app-container.auth-hidden {
  display: none !important;
}