/* --- PDF-to-Excel Data Processing Admin Dashboard - Custom Stylesheet --- */

/* Import Google Fonts - Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Default Light Mode Palette */
  --primary-color: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  
  --secondary-color: #0F172A;
  --secondary-hover: #1E293B;
  
  --success-color: #22C55E;
  --success-light: #DCFCE7;
  --warning-color: #F59E0B;
  --warning-light: #FEF3C7;
  --error-color: #EF4444;
  --error-light: #FEE2E2;
  
  --bg-app: #F8FAFC;
  --bg-sidebar: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-input: #FFFFFF;
  
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;
  
  --border-color: #E2E8F0;
  --border-focus: #93C5FD;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  
  --sidebar-width: 260px;
  --header-height: 70px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables Override */
[data-theme="dark"] {
  --primary-color: #3B82F6;
  --primary-hover: #2563EB;
  --primary-light: #1E293B;
  
  --secondary-color: #E2E8F0;
  --secondary-hover: #F1F5F9;
  
  --success-color: #4ADE80;
  --success-light: #064E3B;
  --warning-color: #FBBF24;
  --warning-light: #78350F;
  --error-color: #F87171;
  --error-light: #7F1D1D;
  
  --bg-app: #0B0F19;
  --bg-sidebar: #111827;
  --bg-card: #1E293B;
  --bg-input: #1F2937;
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-inverse: #0F172A;
  
  --border-color: #334155;
  --border-focus: #1E40AF;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.25), 0 2px 4px -1px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

/* Global Reset & Typography */
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-main);
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Dashboard Layout Shell */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Left Sidebar Navigation */
.app-sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal);
}

.sidebar-logo {
  height: var(--header-height);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo .brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary-color), #4F46E5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.sidebar-logo .brand-name {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.025em;
  margin-left: 0.75rem;
  background: linear-gradient(135deg, var(--text-main) 30%, var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-menu {
  flex: 1;
  padding: 1.25rem 0.75rem;
  overflow-y: auto;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  margin-bottom: 0.25rem;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.sidebar-nav-link:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.sidebar-nav-link.active {
  background-color: var(--primary-color);
  color: var(--text-inverse) !important;
  font-weight: 600;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

.sidebar-nav-link i, .sidebar-nav-link svg {
  margin-right: 0.85rem;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Sidebar Footer / Profile Info */
.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
}

/* Main Content Area */
.app-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0; /* Prevents flexbox overflow */
  display: flex;
  flex-direction: column;
}

/* Top Header Bar */
.app-header {
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 90;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

[data-theme="dark"] .app-header {
  background-color: rgba(17, 24, 39, 0.8);
}

.header-search {
  max-width: 320px;
  width: 100%;
}

.header-search .input-group-text {
  background-color: transparent;
  border-right: none;
  color: var(--text-muted);
  border-color: var(--border-color);
}

.header-search .form-control {
  border-left: none;
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border-color);
}

.header-search .form-control:focus {
  box-shadow: none;
  border-color: var(--border-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Status Indicator */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 500;
  background-color: var(--primary-light);
  color: var(--primary-color);
  border: 1px solid var(--border-focus);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success-color);
}

.status-dot.processing {
  background-color: var(--warning-color);
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

/* Notification & Profile Button Styles */
.header-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  background-color: transparent;
  border: 1px solid var(--border-color);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.header-btn:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

.header-btn .badge-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--error-color);
  border: 2px solid var(--bg-card);
}

.avatar-wrapper {
  cursor: pointer;
  display: flex;
  align-items: center;
}

.avatar-img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
}

/* Page Containers */
.page-container {
  padding: 2rem;
  display: flex; /* Always display flex in dedicated files */
  flex-direction: column;
  animation: fade-in 0.3s ease;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Custom Cards */
.card-custom {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  margin-bottom: 1.5rem;
}

.card-custom:hover {
  box-shadow: var(--shadow-md);
}

.card-kpi {
  position: relative;
  overflow: hidden;
}

.card-kpi .kpi-icon {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.kpi-trend {
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-top: 0.5rem;
}

.kpi-trend.up {
  background-color: var(--success-light);
  color: var(--success-color);
}

.kpi-trend.down {
  background-color: var(--error-light);
  color: var(--error-color);
}

.kpi-trend.neutral {
  background-color: var(--border-color);
  color: var(--text-muted);
}

/* Tables Styling overrides */
.table-responsive-custom {
  background-color: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table-custom {
  margin-bottom: 0;
  width: 100%;
}

.table-custom th {
  background-color: var(--bg-app);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

[data-theme="dark"] .table-custom th {
  background-color: #151e33;
}

.table-custom td {
  padding: 1rem 1.25rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.9rem;
}

.table-custom tr:last-child td {
  border-bottom: none;
}

.table-custom tr:hover td {
  background-color: var(--primary-light) !important;
  opacity: 0.95;
}

/* Custom Badges */
.badge-custom {
  padding: 0.35em 0.75em;
  font-weight: 600;
  font-size: 0.75rem;
  border-radius: 30px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-success-custom {
  background-color: var(--success-light);
  color: var(--success-color);
}

.badge-warning-custom {
  background-color: var(--warning-light);
  color: var(--warning-color);
}

.badge-error-custom {
  background-color: var(--error-light);
  color: var(--error-color);
}

.badge-primary-custom {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

/* Drag & Drop File Upload Area */
.upload-drag-zone {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  background-color: var(--bg-app);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.upload-drag-zone:hover, .upload-drag-zone.dragover {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
}

.upload-drag-zone .upload-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  margin: 0 auto 1.25rem;
  font-size: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.upload-drag-zone:hover .upload-icon {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Processing Queue Cards */
.queue-card {
  border-left: 4px solid var(--border-color);
  transition: border-left-color var(--transition-normal);
}

.queue-card.pending {
  border-left-color: var(--text-muted);
}

.queue-card.running {
  border-left-color: var(--warning-color);
}

.queue-card.completed {
  border-left-color: var(--success-color);
}

.queue-card.failed {
  border-left-color: var(--error-color);
}

/* Step tracker style */
.step-tracker {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.step-tracker::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--border-color);
  z-index: 1;
}

.step-item {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  width: 33.33%;
}

.step-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.step-item.active .step-dot {
  border-color: var(--warning-color);
  background-color: var(--warning-light);
  color: var(--warning-color);
}

.step-item.completed .step-dot {
  border-color: var(--success-color);
  background-color: var(--success-color);
  color: white;
}

.step-item.completed {
  color: var(--text-main);
}

/* Slide-over Detail Drawer (Right side) */
.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.drawer-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.drawer-custom {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 580px;
  height: 100vh;
  background-color: var(--bg-sidebar);
  border-left: 1px solid var(--border-color);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  z-index: 1060;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.drawer-custom.show {
  transform: translateX(0);
}

.drawer-header {
  height: var(--header-height);
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-card);
}

.drawer-body {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  background-color: var(--bg-app);
}

/* Chart Canvas & SVG Container */
.chart-container-custom {
  position: relative;
  width: 100%;
  height: 240px;
}

.svg-chart {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.chart-grid-line {
  stroke: var(--border-color);
  stroke-dasharray: 4 4;
}

.chart-line {
  fill: none;
  stroke: var(--primary-color);
  stroke-width: 3;
  stroke-linecap: round;
  transition: d 0.5s ease-in-out;
}

.chart-area {
  fill: url(#area-gradient);
  opacity: 0.15;
}

.chart-point {
  fill: var(--primary-color);
  stroke: var(--bg-card);
  stroke-width: 2;
  cursor: pointer;
  transition: r 0.15s ease;
}

.chart-point:hover {
  r: 7;
}

.chart-bar {
  fill: var(--primary-color);
  rx: 4;
  transition: fill var(--transition-fast), height 0.5s ease, y 0.5s ease;
  cursor: pointer;
}

.chart-bar:hover {
  fill: var(--primary-hover);
}

.chart-bar.failed {
  fill: var(--error-color);
}
.chart-bar.failed:hover {
  fill: #dc2626;
}

/* Modals Override styling */
.modal-content-custom {
  background-color: var(--bg-sidebar) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 14px !important;
  color: var(--text-main) !important;
}

.modal-header-custom {
  border-bottom: 1px solid var(--border-color) !important;
  background-color: var(--bg-card) !important;
  border-top-left-radius: 13px !important;
  border-top-right-radius: 13px !important;
}

.modal-footer-custom {
  border-top: 1px solid var(--border-color) !important;
  background-color: var(--bg-card) !important;
  border-bottom-left-radius: 13px !important;
  border-bottom-right-radius: 13px !important;
}

/* Custom Settings Tabs */
.settings-nav {
  border-right: 1px solid var(--border-color);
  height: 100%;
}

.settings-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  border-radius: 6px;
  margin-bottom: 0.25rem;
  transition: all var(--transition-fast);
}

.settings-link:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.settings-link.active {
  background-color: var(--primary-color);
  color: white !important;
  font-weight: 600;
}

/* Form Styles overrides */
.form-control-custom, .form-select-custom {
  background-color: var(--bg-input) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-main) !important;
  border-radius: 8px !important;
  padding: 0.6rem 0.85rem !important;
}

.form-control-custom:focus, .form-select-custom:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15) !important;
}

/* Custom Heatmap Grid */
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.heatmap-cell {
  aspect-ratio: 1;
  border-radius: 4px;
  background-color: var(--border-color);
  cursor: pointer;
  position: relative;
}

.heatmap-cell[data-intensity="1"] { background-color: rgba(37, 99, 235, 0.2); }
.heatmap-cell[data-intensity="2"] { background-color: rgba(37, 99, 235, 0.4); }
.heatmap-cell[data-intensity="3"] { background-color: rgba(37, 99, 235, 0.6); }
.heatmap-cell[data-intensity="4"] { background-color: rgba(37, 99, 235, 0.8); }
.heatmap-cell[data-intensity="5"] { background-color: rgba(37, 99, 235, 1); }

/* Responsive adjustments */
@media (max-width: 991.98px) {
  .app-sidebar {
    transform: translateX(-100%);
  }
  
  .app-sidebar.show {
    transform: translateX(0);
  }
  
  .app-content {
    margin-left: 0;
  }
  
  .settings-nav {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
  }
}