/* Modern Design System for TerminTriage */
:root {
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-sidebar: #0f172a;
  --bg-sidebar-hover: #1e293b;
  
  --primary: #E3000F; /* SPD Rot Accent */
  --primary-hover: #c4000d;
  --primary-light: #fef2f2;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-on-dark: #f8fafc;

  --border-color: #e2e8f0;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  
  --status-neu: #2563eb;
  --status-pruefung: #d97706;
  --status-zugesagt: #16a34a;
  --status-abgesagt: #dc2626;
  --status-vorgemerkt: #9333ea;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* Dark Mode Color System & Overrides */
[data-theme="dark"] {
  --bg-main: #0b0f19;
  --bg-surface: #1e293b;
  --bg-sidebar: #070a12;
  --bg-sidebar-hover: #1e293b;
  
  --primary: #E3000F;
  --primary-hover: #ff2a38;
  --primary-light: #3f1014;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --text-on-dark: #f8fafc;

  --border-color: #334155;
  
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.4);
  --shadow-md: 0 4px 8px -1px rgb(0 0 0 / 0.5);
  --shadow-lg: 0 12px 20px -3px rgb(0 0 0 / 0.6);
}

[data-theme="dark"] body {
  background-color: var(--bg-main);
  color: var(--text-primary);
}

[data-theme="dark"] .topbar {
  background-color: #111827;
  border-bottom-color: #1f2937;
}

[data-theme="dark"] .search-box {
  background-color: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .search-box input {
  color: #f8fafc;
}

[data-theme="dark"] .btn-secondary {
  background-color: #334155;
  color: #f8fafc;
  border-color: #475569;
}

[data-theme="dark"] .btn-secondary:hover {
  background-color: #475569;
}

[data-theme="dark"] .btn-outline {
  border-color: #475569;
  color: #cbd5e1;
}

[data-theme="dark"] .btn-outline:hover {
  background-color: #334155;
  color: #ffffff;
}

[data-theme="dark"] .stat-card {
  background-color: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .bg-blue-light { background-color: #1e3a8a; }
[data-theme="dark"] .bg-amber-light { background-color: #78350f; }
[data-theme="dark"] .bg-green-light { background-color: #14532d; }
[data-theme="dark"] .bg-red-light { background-color: #7f1d1d; }
[data-theme="dark"] .bg-purple-light { background-color: #581c87; }

[data-theme="dark"] .panel {
  background-color: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .panel-header {
  border-bottom-color: #334155;
}

[data-theme="dark"] .item-card {
  background-color: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .item-card:hover {
  background-color: #1e293b;
  border-color: var(--primary);
}

[data-theme="dark"] .kanban-column {
  background-color: #0f172a;
  border: 1px solid #1e293b;
}

[data-theme="dark"] .filter-toolbar {
  background-color: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .filter-group select {
  background-color: #0f172a;
  border-color: #334155;
  color: #f8fafc;
}

[data-theme="dark"] .table-card {
  background-color: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .data-table th {
  background-color: #0f172a;
  color: #cbd5e1;
  border-bottom-color: #334155;
}

[data-theme="dark"] .data-table td {
  border-bottom-color: #334155;
  color: #f8fafc;
}

[data-theme="dark"] .data-table tr:hover {
  background-color: #334155;
}

[data-theme="dark"] .calendar-grid-wrapper {
  background-color: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .cal-day-cell {
  background-color: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .cal-day-cell.other-month {
  background-color: rgba(15, 23, 42, 0.4);
  opacity: 0.35;
}

[data-theme="dark"] .template-card {
  background-color: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .template-card-body {
  background-color: #0f172a;
  border-color: #334155;
  color: #cbd5e1;
}

[data-theme="dark"] .modal-dialog {
  background-color: #1e293b;
  color: #f8fafc;
  border: 1px solid #334155;
}

[data-theme="dark"] .modal-header {
  border-bottom-color: #334155;
}

[data-theme="dark"] .modal-footer {
  background-color: #0f172a;
  border-top-color: #334155;
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
  background-color: #0f172a;
  border-color: #334155;
  color: #f8fafc;
}

[data-theme="dark"] .pdf-pane-header {
  background-color: #1e293b;
  color: #f8fafc;
}

[data-theme="dark"] .login-wrapper {
  background: linear-gradient(135deg, #090d16 0%, #0f172a 100%);
}

[data-theme="dark"] .login-card {
  background-color: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .login-header h1 {
  color: #f8fafc;
}

[data-theme="dark"] .login-header p,
[data-theme="dark"] .form-group label {
  color: #cbd5e1;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Utilities */
.hidden { display: none !important; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  text-decoration: none;
}
.btn-primary {
  background-color: var(--primary);
  color: white;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
}
.btn-secondary {
  background-color: #f1f5f9;
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: #e2e8f0;
}
.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-secondary);
}
.btn-outline:hover {
  background-color: #f1f5f9;
  color: var(--text-primary);
}
.btn-block { width: 100%; }
.btn-xs { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.375rem;
  border-radius: var(--border-radius);
}
.btn-icon:hover { color: white; background-color: var(--bg-sidebar-hover); }

.icon { width: 1.25rem; height: 1.25rem; fill: currentColor; }
.icon-lg { width: 3rem; height: 3rem; fill: var(--text-muted); }

.badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 9999px;
}

/* Login Screen - High Contrast Styling */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0b0f19;
  padding: 1.5rem;
}

.login-card {
  background-color: #1e293b !important;
  border: 1px solid #334155 !important;
  width: 100%;
  max-width: 400px;
  padding: 2.5rem;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

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

.spd-badge {
  display: inline-block;
  background: var(--primary);
  color: #ffffff !important;
  font-weight: 900;
  font-size: 1rem;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
}

.login-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #f8fafc !important;
  margin-bottom: 0.25rem;
}

.login-header p {
  font-size: 0.875rem;
  color: #cbd5e1 !important;
}

.login-card .form-group {
  margin-bottom: 1.25rem;
}

.login-card .form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #cbd5e1 !important;
  margin-bottom: 0.375rem;
}

.login-card .form-group input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: inherit;
  font-size: 0.875rem;
  border: 1px solid #334155 !important;
  border-radius: var(--border-radius);
  background-color: #0f172a !important;
  color: #ffffff !important;
  transition: border-color 0.15s;
}

.login-card .form-group input:focus {
  outline: none;
  border-color: #E3000F !important;
  box-shadow: 0 0 0 3px rgba(227, 0, 15, 0.25);
}

/* Light Mode explicit overrides */
[data-theme="light"] .login-wrapper {
  background: #f1f5f9;
}
[data-theme="light"] .login-card {
  background-color: #ffffff !important;
  border-color: #cbd5e1 !important;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .login-header h1 {
  color: #0f172a !important;
}
[data-theme="light"] .login-header p,
[data-theme="light"] .login-card .form-group label {
  color: #475569 !important;
}
[data-theme="light"] .login-card .form-group input {
  background-color: #f8fafc !important;
  color: #0f172a !important;
  border-color: #cbd5e1 !important;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(227, 0, 15, 0.1);
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}
.alert-error {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* App Layout */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  color: var(--text-on-dark);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.brand-badge {
  background-color: var(--primary);
  color: white;
  font-weight: 900;
  font-size: 0.875rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}
.brand-text h2 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.2;
}
.brand-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav-menu {
  padding: 1rem 0.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}
.nav-item:hover {
  background-color: var(--bg-sidebar-hover);
  color: white;
}
.nav-item.active {
  background-color: var(--primary);
  color: white;
}

.sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.user-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: #cbd5e1;
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg-main);
}
.topbar {
  background: var(--bg-surface);
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar-title h1 {
  font-size: 1.5rem;
  font-weight: 700;
}
.subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-main);
  padding: 0.5rem 0.875rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}
.search-box input {
  border: none;
  background: transparent;
  font-size: 0.875rem;
  outline: none;
  width: 220px;
}

.tab-content {
  display: none;
  padding: 2rem;
  overflow-y: auto;
  flex: 1;
}
.tab-content.active {
  display: block;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: white;
  padding: 1.25rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 1rem;
  border-left: 4px solid var(--border-color);
}
.stat-card.border-blue { border-left-color: var(--status-neu); }
.stat-card.border-amber { border-left-color: var(--status-pruefung); }
.stat-card.border-green { border-left-color: var(--status-zugesagt); }
.stat-card.border-red { border-left-color: var(--status-abgesagt); }
.stat-card.border-purple { border-left-color: var(--status-vorgemerkt); }

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}
.bg-blue-light { background-color: #eff6ff; }
.bg-amber-light { background-color: #fffbeb; }
.bg-green-light { background-color: #f0fdf4; }
.bg-red-light { background-color: #fef2f2; }
.bg-purple-light { background-color: #faf5ff; }

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Dashboard Panels */
.dashboard-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.panel {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}
.panel-header h3 { font-size: 1rem; font-weight: 700; }
.link-action { font-size: 0.8125rem; color: var(--primary); text-decoration: none; font-weight: 600; }
.link-action:hover { text-decoration: underline; }

.recent-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.item-card {
  padding: 0.875rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  background-color: #fafafa;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  cursor: pointer;
  transition: all 0.15s;
}
.item-card:hover {
  background-color: white;
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.item-title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
}
.item-meta {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Kanban Board */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(5, minmax(240px, 1fr));
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
}
.kanban-column {
  background-color: #f1f5f9;
  border-radius: var(--border-radius-lg);
  padding: 0.875rem;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 160px);
}
.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.875rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid transparent;
}
.status-neu { border-color: var(--status-neu); }
.status-pruefung { border-color: var(--status-pruefung); }
.status-zugesagt { border-color: var(--status-zugesagt); }
.status-abgesagt { border-color: var(--status-abgesagt); }
.status-vorgemerkt { border-color: var(--status-vorgemerkt); }

.column-body {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
  min-height: 100px;
}

/* Filter Toolbar */
.filter-toolbar {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  background: white;
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}
.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.filter-group label { font-size: 0.8125rem; font-weight: 600; color: var(--text-secondary); }
.filter-group select { padding: 0.375rem 0.75rem; border-radius: var(--border-radius); border: 1px solid var(--border-color); font-size: 0.875rem; }

/* Table View */
.table-card {
  background: white;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}
.data-table th {
  background-color: #f8fafc;
  padding: 0.875rem 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}
.data-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border-color);
}
.data-table tr:hover { background-color: #f1f5f9; }

/* Calendar Grid */
.calendar-header-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.calendar-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.calendar-grid-wrapper {
  background: white;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.calendar-day-labels {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  text-align: center;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
}
.calendar-days-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.5rem;
}
.cal-day-cell {
  height: 120px;
  min-height: 120px;
  max-height: 120px;
  overflow-y: auto;
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.5rem;
  background-color: #fafafa;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.cal-day-cell.other-month {
  opacity: 0.4;
  background-color: #f1f5f9;
}
.cal-day-number {
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}
.cal-event-pill {
  padding: 0.25rem 0.375rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  cursor: pointer;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
  line-height: 1.25;
}

/* Templates Grid */
.templates-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.template-card {
  background: white;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.template-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.template-card-title { font-weight: 700; font-size: 1rem; }
.template-card-body {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  white-space: pre-wrap;
  background: #f8fafc;
  padding: 0.75rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  max-height: 160px;
  overflow-y: auto;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1.5rem;
}
.modal-dialog {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-xl { max-width: 1100px; }
.modal-sm { max-width: 400px; }

.modal-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  max-height: 90vh;
  overflow: hidden;
}

.modal-form-wrapper {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  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;
  flex-shrink: 0;
}
.modal-header h3 { font-size: 1.125rem; font-weight: 700; }
.btn-close { background: none; border: none; font-size: 1.5rem; color: var(--text-muted); cursor: pointer; }
.btn-close:hover { color: var(--text-primary); }

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}
.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background-color: #f8fafc;
  flex-shrink: 0;
}

/* Split Container in Modal */
.split-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

@media (max-width: 900px) {
  .split-container {
    grid-template-columns: 1fr;
  }
}

.pdf-pane {
  display: flex;
  flex-direction: column;
  background-color: #f1f5f9;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
  max-height: 600px;
}
.pdf-pane-header {
  padding: 0.625rem 1rem;
  background-color: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-weight: 700;
  flex-shrink: 0;
}
.pdf-container {
  flex: 1;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pdf-placeholder {
  text-align: center;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--text-secondary);
}
.pdf-iframe {
  width: 100%;
  height: 100%;
  border: none;
  min-height: 380px;
}

.form-row {
  display: flex;
  gap: 1rem;
}
.form-row .col { flex: 1; }
.align-center { align-items: center; }
.check-group { padding-top: 1.25rem; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
}
.code-font {
  font-family: monospace;
  font-size: 0.875rem;
}

/* Toast Notification System */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 420px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius-lg);
  background: #1e293b;
  color: #f8fafc;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  border: 1px solid #334155;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
  animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transition: all 0.3s ease;
}

.toast-success { border-left: 5px solid #16a34a; background: #064e3b; color: #f0fdf4; }
.toast-info { border-left: 5px solid #2563eb; background: #1e3a8a; color: #eff6ff; }
.toast-warning { border-left: 5px solid #d97706; background: #78350f; color: #fffbeb; }
.toast-error { border-left: 5px solid #dc2626; background: #7f1d1d; color: #fef2f2; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}