:root {
  --bg-main: #0b0f19;
  --bg-sidebar: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #243248;
  --bg-input: #0f172a;
  --border-color: #334155;
  --border-focus: #3b82f6;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-primary-glow: rgba(59, 130, 246, 0.25);

  --accent-success: #10b981;
  --accent-success-glow: rgba(16, 185, 129, 0.2);
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-danger-glow: rgba(239, 68, 68, 0.2);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px var(--accent-primary-glow);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.15rem; }

p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Buttons (Accessible touch targets >= 48px min-height) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-1px);
  box-shadow: 0 0 25px rgba(59, 130, 246, 0.45);
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  box-shadow: 0 0 20px var(--accent-success-glow);
}

.btn-success:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: #475569;
}

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

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.btn-sm {
  min-height: 38px;
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Inputs & Form Controls (Accessible touch target height >= 48px) */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.form-label .badge-req {
  color: #ef4444;
  margin-left: 2px;
}

.form-control {
  width: 100%;
  min-height: 48px;
  padding: 0.65rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

textarea.form-control {
  min-height: 90px;
  resize: vertical;
}

.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* App Layout */
#app {
  display: flex;
  min-height: 100vh;
}

/* Authentication Screen (Centered Card) */
.auth-wrapper {
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: radial-gradient(circle at top, #1e293b 0%, #0b0f19 70%);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #10b981, #3b82f6);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 2px solid var(--border-color);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-md);
}

.auth-header h1 {
  font-size: 1.45rem;
  margin-bottom: 0.35rem;
}

/* App Sidebar */
.app-sidebar {
  width: 270px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  z-index: 40;
}

.sidebar-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.sidebar-title h2 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
}

.sidebar-title span {
  font-size: 0.75rem;
  color: var(--accent-primary);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  padding: 1rem 0.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  min-height: 48px;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.15), rgba(59, 130, 246, 0.05));
  color: #60a5fa;
  border-left: 3px solid var(--accent-primary);
}

.nav-icon {
  width: 20px;
  height: 20px;
  opacity: 0.85;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(0, 0, 0, 0.2);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  overflow: hidden;
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #3b82f6, #10b981);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.user-info {
  line-height: 1.2;
  overflow: hidden;
}

.user-info .user-name {
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.user-info .user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Main Content Area */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background-color: var(--bg-main);
  height: 100vh;
  overflow-y: auto;
}

.top-bar {
  padding: 1rem 2rem;
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 30;
}

.top-bar-title h1 {
  font-size: 1.35rem;
}

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

.content-container {
  padding: 2rem;
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
}

/* Glassmorphic Cards & Grids */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: #475569;
}

.stat-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-icon-blue { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.stat-icon-green { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.stat-icon-purple { background: rgba(168, 85, 247, 0.15); color: #c084fc; }

.stat-info h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 0.2rem;
}

/* Template Selector Cards */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.template-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.template-card:hover {
  border-color: #60a5fa;
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.template-card.selected {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-primary-glow), var(--shadow-md);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.08) 0%, var(--bg-card) 100%);
}

.template-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-blue { background: rgba(59, 130, 246, 0.2); color: #93c5fd; border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-green { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-amber { background: rgba(245, 158, 11, 0.2); color: #fcd34d; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-gray { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; }

.template-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.75rem;
}

.tag-pill {
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  color: #94a3b8;
  font-family: monospace;
}

/* Page Size Selector Pills */
.page-size-selector {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.size-pill {
  flex: 1;
  min-height: 48px;
  padding: 0.65rem 1rem;
  border: 1.5px solid var(--border-color);
  background: var(--bg-input);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.size-pill:hover {
  border-color: #64748b;
}

.size-pill.active {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
}

/* Form Grid */
.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .form-grid-2, .form-grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Data Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.data-table th {
  background-color: var(--bg-sidebar);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

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

.modal-container.modal-xl {
  max-width: 1050px;
  height: 90vh;
}

.modal-container.modal-md {
  max-width: 580px;
  max-height: 85vh;
}

.dropzone-sm {
  padding: 1.5rem 1rem !important;
}

.dropzone-sm .dropzone-icon {
  font-size: 1.85rem !important;
  margin-bottom: 0.35rem !important;
}

.brand-preview-wrapper {
  background: #0f172a;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* PDF Preview Frame */
.pdf-viewer-frame {
  width: 100%;
  height: 100%;
  min-height: 580px;
  border: none;
  border-radius: var(--radius-md);
  background: #ffffff;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 200;
}

.toast {
  min-width: 300px;
  max-width: 420px;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  animation: slideIn 0.25s ease-out;
}

.toast.toast-success { border-left: 4px solid var(--accent-success); }
.toast.toast-error { border-left: 4px solid var(--accent-danger); }
.toast.toast-info { border-left: 4px solid var(--accent-primary); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Drag & Drop Upload Box */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: rgba(15, 23, 42, 0.4);
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.05);
}

.dropzone-icon {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .app-sidebar {
    position: fixed;
    height: 100vh;
    transform: translateX(-100%);
  }
  .app-sidebar.open {
    transform: translateX(0);
  }
  .content-container {
    padding: 1rem;
  }
}

/* Supporting PDF Attachments Upload & List */
.attachment-files-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.attachment-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.attachment-file-item:hover {
  border-color: #475569;
  background: rgba(30, 41, 59, 0.7);
}

.attachment-file-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.attachment-file-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.attachment-file-info {
  min-width: 0;
}

.attachment-file-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 340px;
}

.attachment-file-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2px;
}

.attachment-file-remove {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.attachment-file-remove:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.12);
}

.btn-upload-more-docs {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
  border: 1px dashed rgba(59, 130, 246, 0.4);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-upload-more-docs:hover {
  background: rgba(59, 130, 246, 0.22);
  border-color: #60a5fa;
}