/**
 * SEPAKit Modern Design
 * Clean, minimal, dark mode supported
 */

/* ============================================================================
   CSS CUSTOM PROPERTIES (Light & Dark Mode)
   ========================================================================= */

:root {
  /* Colors - Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f1f3f5;
  --bg-elevated: #ffffff;
  
  --text-primary: #1a1a1a;
  --text-secondary: #6c757d;
  --text-tertiary: #adb5bd;
  
  --border-color: #e9ecef;
  --border-color-hover: #dee2e6;
  
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-light: #eef2ff;
  
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --error: #ef4444;
  --error-light: #fee2e2;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, monospace;
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-elevated: #1e293b;
  
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-tertiary: #64748b;
  
  --border-color: #334155;
  --border-color-hover: #475569;
  
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-light: #1e1b4b;
  
  --success: #34d399;
  --success-light: #064e3b;
  --warning: #fbbf24;
  --warning-light: #451a03;
  --error: #f87171;
  --error-light: #450a0a;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 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 -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* ============================================================================
   BASE STYLES
   ========================================================================= */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition), color var(--transition);
  min-height: 100vh;
}

/* ============================================================================
   LAYOUT
   ========================================================================= */

.app-modern {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 80px; /* Space for action bar */
}

.main-modern {
  flex: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-lg);
  width: 100%;
}

/* ============================================================================
   HEADER
   ========================================================================= */

.header-modern {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all var(--transition);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo-modern {
  height: 32px;
  width: auto;
}

/* Logo switching for dark/light mode */
.logo-dark,
.brand-logo-dark {
  display: none;
}

[data-theme="dark"] .logo-light,
[data-theme="dark"] .brand-logo-light {
  display: none;
}

[data-theme="dark"] .logo-dark,
[data-theme="dark"] .brand-logo-dark {
  display: inline-block;
}

.tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.security-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--success-light);
  color: var(--success);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
}

.icon-shield {
  color: var(--success);
}

/* Theme Toggle */
.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color-hover);
}

.theme-toggle svg {
  position: absolute;
  transition: all var(--transition);
}

.icon-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.icon-moon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .icon-sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Make moon icon more visible in dark mode */
[data-theme="dark"] .theme-toggle .icon-moon {
  color: var(--text-primary);
  opacity: 0.95;
}

[data-theme="dark"] .theme-toggle:hover .icon-moon {
  opacity: 1;
  color: var(--accent);
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2px;
  height: 40px;
}

.lang-btn {
  background: transparent;
  border: none;
  padding: 0 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: calc(var(--radius) - 2px);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--accent);
  color: white;
}

/* ============================================================================
   VERSION SELECTOR SECTION
   ========================================================================= */

.version-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: calc(100vh - 200px);
  padding-top: var(--space-2xl);
}

.version-container {
  text-align: center;
  max-width: 900px;
  width: 100%;
  padding: 0 var(--space-md);
}

.version-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.version-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
}

.version-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.version-card {
  position: relative;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: left;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.version-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.version-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--space-md) 0 var(--space-sm);
}

.version-badge {
  display: inline-block;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.version-badge-new {
  background: var(--accent-light);
  color: var(--accent);
}

.version-tag {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--accent);
  color: white;
  font-size: 0.625rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.version-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.version-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md) 0;
}

.version-features li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-primary);
}

.version-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 600;
}

.version-timeline {
  background: var(--warning-light);
  color: var(--warning);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  font-size: 0.8125rem;
}

[data-theme="dark"] .version-timeline {
  background: rgba(251, 191, 36, 0.15);
}

.btn-version {
  width: 100%;
  padding: var(--space-md);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: auto;
}

.btn-version-primary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-version-primary:hover {
  background: var(--border-color-hover);
}

.btn-version-new {
  background: var(--accent);
  color: white;
}

.btn-version-new:hover {
  background: var(--accent-hover);
}

.version-card-new {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--accent-light) 100%);
}

[data-theme="dark"] .version-card-new {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(99, 102, 241, 0.1) 100%);
}

@media (max-width: 768px) {
  .version-cards {
    grid-template-columns: 1fr;
  }

  .version-title {
    font-size: 1.75rem;
  }
}

/* ============================================================================
   UPLOAD SECTION
   ========================================================================= */

.upload-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: calc(100vh - 200px);
  padding-top: var(--space-2xl);
}

.upload-container {
  text-align: center;
  max-width: 600px;
  width: 100%;
}

.upload-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.upload-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.upload-hint-sepa2 {
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: var(--space-xl);
  padding: var(--space-sm) var(--space-md);
  background: var(--accent-light);
  border-radius: var(--radius);
  display: inline-block;
}

.dropzone-modern {
  display: block;
  background: var(--bg-primary);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  cursor: pointer;
  transition: all var(--transition);
}

.dropzone-modern:hover,
.dropzone-modern.dragover {
  border-color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.dropzone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.upload-icon {
  color: var(--text-tertiary);
  transition: all var(--transition);
}

.dropzone-modern:hover .upload-icon {
  color: var(--accent);
  transform: scale(1.1);
}

.dropzone-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dropzone-text strong {
  font-size: 1.125rem;
  color: var(--text-primary);
}

.dropzone-text span {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.dropzone-hint {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.status-msg-modern,
.status-msg {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  display: none;
}

.status-msg-modern.success,
.status-msg.ok {
  display: block;
  background: var(--success-light);
  color: var(--success);
  border-color: var(--success);
}

.status-msg-modern.error,
.status-msg.error {
  display: block;
  background: var(--error-light);
  color: var(--error);
  border-color: var(--error);
}

/* ============================================================================
   STATS DASHBOARD
   ========================================================================= */

.stats-dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.stat-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transition: all var(--transition);
}

.stat-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-total {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  border: none;
  color: white;
}

.stat-total .stat-icon {
  font-size: 2.5rem;
}

.stat-total .stat-label,
.stat-total .stat-value {
  color: white;
}

.stat-icon {
  font-size: 2rem;
  line-height: 1;
}

.stat-content {
  flex: 1;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 4px;
}

.stat-success {
  color: var(--success);
}

.stat-warning {
  color: var(--warning);
}

/* ============================================================================
   COLLAPSIBLE SECTIONS
   ========================================================================= */

.section-collapsible {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: all var(--transition);
}

.section-header {
  width: 100%;
  background: transparent;
  border: none;
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: all var(--transition-fast);
}

.section-header:hover {
  background: var(--bg-secondary);
}

.section-header .chevron {
  color: var(--text-tertiary);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.section-header.collapsed .chevron {
  transform: rotate(-90deg);
}

.section-header h2 {
  flex: 1;
  font-size: inherit;
  margin: 0;
}

.section-badge {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-content {
  padding: 0 var(--space-lg) var(--space-lg);
  max-height: 2000px;
  opacity: 1;
  transition: all var(--transition-slow);
  overflow: hidden;
}

.section-content.collapsed {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
}

/* ============================================================================
   FORMS
   ========================================================================= */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field-input-modern {
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.field-input-modern:hover {
  border-color: var(--border-color-hover);
}

.field-input-modern:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.field-input-modern:invalid {
  border-color: var(--error);
}

.field-input-modern.input-error,
.input-error {
  border-color: var(--error) !important;
  background-color: rgba(220, 53, 69, 0.05);
  animation: shake 0.3s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* Date input styling */
input[type="date"].field-input-modern {
  min-height: 42px;
  cursor: pointer;
  position: relative;
}

input[type="date"].field-input-modern::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

input[type="date"].field-input-modern::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}

/* Ensure date input text is visible in dark mode */
[data-theme="dark"] input[type="date"].field-input-modern::-webkit-datetime-edit-fields-wrapper {
  color: var(--text-primary);
}

[data-theme="dark"] input[type="date"].field-input-modern::-webkit-calendar-picker-indicator {
  filter: invert(1);
}

/* ============================================================================
   PAYMENTS SECTION
   ========================================================================= */

.section-payments {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.section-header-inline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.section-header-inline h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.section-actions {
  display: flex;
  gap: var(--space-sm);
}

.btn-icon {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--border-color-hover);
}

.btn-icon:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Search Panel */
.search-panel {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
}

.search-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.search-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.search-input-sm {
  padding: 6px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-primary);
  width: 140px;
  transition: all var(--transition-fast);
}

.search-input-sm:focus {
  outline: none;
  border-color: var(--accent);
}

.select-sm {
  padding: 6px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-primary);
  cursor: pointer;
}

.btn-sm {
  padding: 6px 12px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-sm:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-sm:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Download Group */
.download-group {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
}

.btn-export {
  padding: 8px 12px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-export:hover:not(:disabled) {
  background: var(--bg-secondary);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-export:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Table Actions - Add Row Button */
.table-actions {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.btn-add-row {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-add-row:hover:not(:disabled) {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-add-row:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.search-input-modern {
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.search-input-modern:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.select-modern {
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.select-modern:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

/* ============================================================================
   TABLE
   ========================================================================= */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.table-modern {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table-modern thead {
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.table-modern th {
  padding: 6px 8px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.table-modern td {
  padding: 0;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  background: var(--bg-primary);
}

.table-modern tbody tr {
  transition: background var(--transition-fast);
}

.table-modern tbody tr:hover td {
  background: var(--bg-secondary);
}

.table-modern tbody tr:last-child td {
  border-bottom: 1px solid var(--border-color);
}

.table-modern tbody tr.row-excluded {
  opacity: 0.5;
  text-decoration: line-through;
}

.table-modern tbody tr.row-excluded td {
  background: var(--bg-secondary);
}

.table-modern tbody tr.invalid-iban {
  background: var(--error-light);
}

.table-modern tbody tr.invalid-iban td {
  background: var(--error-light);
}

.th-checkbox {
  width: 50px;
  text-align: center;
}

.th-number {
  width: 35px;
}

.th-currency {
  width: 50px;
}

.th-amount {
  width: 90px;
}

.th-status {
  width: 120px;
}

/* SEPA 2.0 table column widths */
.table-sepa2 .th-number {
  width: 30px;
}

.table-sepa2 .th-currency {
  width: 45px;
}

.table-sepa2 .th-amount {
  width: 80px;
}

.table-sepa2 .th-city {
  width: 100px;
}

.table-sepa2 .th-country {
  width: 55px;
}

.table-sepa2 .td-country {
  overflow: hidden;
}

.table-sepa2 .td-country select {
  width: 45px;
  min-width: 45px;
  text-overflow: clip;
}

.table-sepa2 .th-street {
  width: 120px;
}

.table-sepa2 .th-building {
  width: 45px;
}

.table-sepa2 .th-postal {
  width: 70px;
}

.table-sepa2 .th-status {
  width: 100px;
}

/* Excel-style: Add padding to cells with non-input content */
.table-modern td:has(input[type="checkbox"]),
.table-modern td:has(.iban-status-pill) {
  padding: 4px 6px;
  text-align: center;
}

.table-modern .row-number {
  padding: 4px 6px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
}

.table-modern .include-checkbox {
  transform: scale(1.1);
  cursor: pointer;
  accent-color: var(--accent);
}

.table-modern input[type="text"],
.table-modern .tbl-input {
  width: 100%;
  padding: 4px 6px;
  background: transparent;
  border: none;
  font-size: 13px;
  color: var(--text-primary);
  outline: none;
  transition: background var(--transition-fast);
  font-family: var(--font-sans);
}

.table-modern input[type="text"]:hover,
.table-modern .tbl-input:hover {
  background: rgba(99, 102, 241, 0.03);
}

.table-modern input[type="text"]:focus,
.table-modern .tbl-input:focus {
  background: var(--accent-light);
  outline: none;
}

/* Country Select in Table */
.table-modern select.tbl-input,
.table-modern .country-select {
  width: 100%;
  padding: 4px 4px;
  background: transparent;
  border: none;
  font-size: 13px;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  font-family: var(--font-sans);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M3 4.5L6 7.5L9 4.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
  padding-right: 20px;
}

.table-modern select.tbl-input:hover,
.table-modern .country-select:hover {
  background-color: rgba(99, 102, 241, 0.03);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M3 4.5L6 7.5L9 4.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
}

.table-modern select.tbl-input:focus,
.table-modern .country-select:focus {
  background-color: var(--accent-light);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236366f1' d='M3 4.5L6 7.5L9 4.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
  outline: none;
}

/* Debtor Country Select */
.country-select.field-input-modern {
  cursor: pointer;
}

/* IBAN Status Pills */
.iban-status-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-fast);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.iban-status-pill.iban-status-ok {
  background: var(--success-light);
  color: var(--success);
  border-color: var(--success);
}

.iban-status-pill.iban-status-bad {
  background: var(--error-light);
  color: var(--error);
  border-color: var(--error);
}

.iban-status-pill.iban-status-empty {
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  border-color: var(--border-color);
}

.iban-status-pill.iban-status-excluded {
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  border-color: var(--border-color);
  opacity: 0.6;
}

/* ============================================================================
   BUTTONS
   ========================================================================= */

.btn-primary-modern,
.btn-secondary-modern,
.btn-secondary,
.btn-ghost-modern {
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  font-family: var(--font-sans);
}

.btn-primary-modern {
  background: var(--accent);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary-modern:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.btn-secondary-modern,
.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary-modern:hover:not(:disabled),
.btn-secondary:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--border-color-hover);
}

.btn-ghost-modern {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 8px 12px;
}

.btn-ghost-modern:hover:not(:disabled) {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-primary-modern:disabled,
.btn-secondary-modern:disabled,
.btn-secondary:disabled,
.btn-ghost-modern:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ============================================================================
   FLOATING ACTION BAR
   ========================================================================= */

.action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-color);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  animation: slideUp var(--transition-slow);
}

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

.action-bar-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-lg);
}

.action-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.action-bar-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.action-bar-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-sm);
}

.provider-text {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.divider {
  width: 1px;
  height: 24px;
  background: var(--border-color);
  margin: 0 var(--space-sm);
}

.action-info {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ============================================================================
   STATUS TOAST
   ========================================================================= */

.status-toast {
  position: fixed;
  bottom: 100px;
  right: var(--space-lg);
  max-width: 400px;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-size: 0.875rem;
  z-index: 1001;
  animation: slideIn var(--transition-slow);
  transition: all var(--transition);
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.status-toast.success {
  border-color: var(--success);
  background: var(--success-light);
  color: var(--success);
}

.status-toast.error {
  border-color: var(--error);
  background: var(--error-light);
  color: var(--error);
}

.status-toast.warning {
  border-color: var(--warning);
  background: var(--warning-light);
  color: var(--warning);
}

/* ============================================================================
   ABOUT SECTION
   ========================================================================= */

.about-content {
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-content h3,
.about-content h4 {
  color: var(--text-primary);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.about-content h3 {
  font-size: 1.25rem;
}

.about-content h4 {
  font-size: 1rem;
  font-weight: 600;
}

.about-content p {
  margin-bottom: var(--space-md);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0;
}

.feature-list li {
  padding-left: 24px;
  position: relative;
  margin-bottom: var(--space-sm);
}

.feature-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.feature-list li:has(a):before {
  content: "→";
  color: var(--accent);
}

.feature-list a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-weight: 500;
}

.feature-list a:hover {
  color: var(--accent);
  text-decoration: none;
}

.disclaimer {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--warning-light);
  border-left: 3px solid var(--warning);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--warning);
}

[data-theme="dark"] .disclaimer {
  color: var(--warning);
}

.provider {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
  font-size: 0.8125rem;
  text-align: center;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 4px;
}

.brand-logo {
  height: 20px;
  width: auto;
  vertical-align: middle;
}

/* ============================================================================
   RESPONSIVE
   ========================================================================= */

@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .tagline {
    display: none;
  }

  .stats-dashboard {
    grid-template-columns: 1fr;
  }

  .stat-total {
    grid-column: span 1;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .search-row {
    flex-wrap: wrap;
  }

  .search-input-sm {
    width: 100%;
    flex: 1 1 100px;
  }

  .select-sm {
    flex: 1;
  }

  .btn-sm {
    flex: 0 0 auto;
  }

  .action-bar-content {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .about-section-upload {
    margin: var(--space-lg) 0 0;
    padding: var(--space-md);
    border-radius: var(--radius);
  }

  .upload-section {
    padding: var(--space-lg) var(--space-md);
  }

  #startOverBtn span {
    display: none;
  }
  
  .action-bar-left {
    width: 100%;
    justify-content: space-between;
  }
  
  .action-bar-right {
    width: 100%;
  }
  
  .action-bar-right button {
    flex: 1;
  }
  
  .upload-title {
    font-size: 1.75rem;
  }
  
  .upload-subtitle {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .main-modern {
    padding: var(--space-md);
  }
  
  .header-content {
    padding: var(--space-md);
  }
  
  .section-collapsible,
  .section-payments {
    padding: var(--space-md);
  }
}

/* ============================================================================
   ANIMATIONS & TRANSITIONS
   ========================================================================= */

@media (prefers-reduced-motion: no-preference) {
  * {
    scroll-behavior: smooth;
  }
}

/* Fade in animation for loaded content */
.editor-section {
  animation: fadeIn var(--transition-slow);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================================
   UTILITIES
   ========================================================================= */

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Print styles */
/* ============================================================================
   PRINT STYLES
   ========================================================================= */

@media print {
  .header-modern,
  .action-bar,
  .search-panel,
  .section-actions {
    display: none;
  }

  .section-content.collapsed {
    max-height: none;
    opacity: 1;
    padding-bottom: var(--space-lg);
  }
}

/* ============================================================================
   ABOUT SECTION ON UPLOAD PAGE
   ========================================================================= */

.about-section-upload {
  max-width: 900px;
  width: 100%;
  margin-top: var(--space-2xl);
  padding: var(--space-lg) var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.about-section-upload .about-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.about-section-upload .about-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.about-section-upload .about-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.about-section-upload .feature-list {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.about-section-upload .feature-list li {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-xs);
}

.about-section-upload .disclaimer,
.about-content .disclaimer {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.provider-section {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.provider-section .provider-tagline {
  display: block;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  opacity: 0.6;
}

.provider-section .brand-link {
  display: block;
  text-decoration: none;
  transition: opacity 0.2s;
  margin-top: var(--space-xs);
  opacity: 0.5;
}

.provider-section .brand-link:hover {
  opacity: 1;
}

.provider-section .brand-logo {
  height: 16px;
  width: auto;
}

.copyright-section {
  margin-top: var(--space-md);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: center;
  opacity: 0.5;
}

.copyright-section a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s;
}

.copyright-section a:hover {
  opacity: 0.8;
}

.copyright-section a svg {
  vertical-align: middle;
  margin-bottom: 1px;
}

/* ============================================================================
   AUTOSAVE INDICATOR
   ========================================================================= */

.autosave-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--success-light);
  color: var(--success);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity var(--transition), transform var(--transition);
}

.autosave-indicator.show {
  opacity: 1;
  transform: translateY(0);
}

.autosave-indicator svg {
  flex-shrink: 0;
}

/* Button with label styling */
.btn-with-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.btn-label {
  font-size: 0.75rem;
}

#startOverBtn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

#startOverBtn svg {
  flex-shrink: 0;
  fill: none;
}

#startOverBtn:hover {
  color: var(--error);
}

/* Highlight animation for undo/redo changes */
@keyframes highlightChange {
  0% {
    background-color: rgba(255, 200, 50, 0.6);
  }
  100% {
    background-color: transparent;
  }
}

.highlight-change {
  animation: highlightChange 1.5s ease-out;
}

.tbl-input.highlight-change {
  animation: highlightChange 1.5s ease-out;
}

[data-theme="dark"] .highlight-change {
  animation-name: highlightChangeDark;
}

@keyframes highlightChangeDark {
  0% {
    background-color: rgba(255, 180, 50, 0.4);
  }
  100% {
    background-color: var(--bg-tertiary);
  }
}

@media (max-width: 768px) {
  .btn-label {
    display: none;
  }
}

/* ============================================================================
   SEPA 2.0 SPECIFIC STYLES
   ========================================================================= */

.sepa-version-badge {
  display: inline-block;
  background: var(--accent);
  color: white;
  font-size: 0.625rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-right: var(--space-sm);
}

.sepa2-badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-left: var(--space-sm);
}

.logo-link {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.sepa2-info-box {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--accent-light);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  text-align: left;
}

.sepa2-info-box h4 {
  color: var(--accent);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.sepa2-info-box p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.sepa2-info-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sepa2-info-box li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-xs);
  font-size: 0.8125rem;
  color: var(--text-primary);
}

.sepa2-info-box li::before {
  content: "•";
  position: absolute;
  left: var(--space-sm);
  color: var(--accent);
}

/* Address form fields */
.form-grid-address {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr 1fr;
  gap: var(--space-md);
}

.form-field-small {
  min-width: 60px;
}

.form-field-small .field-input-modern {
  text-align: center;
}

/* Debtor Nr and Postal inputs should be left-aligned */
#debtorBuilding,
#debtorPostal {
  text-align: left;
}

.required {
  color: var(--error);
  font-weight: 600;
}

/* SEPA 2.0 Table */
.table-container-sepa2 {
  overflow-x: auto;
}

.table-sepa2 {
  min-width: 1100px;
}

.table-sepa2 .th-city {
  min-width: 120px;
}

.table-sepa2 .th-country {
  min-width: 60px;
  text-align: center;
}

.table-sepa2 .th-street,
.table-sepa2 .th-building,
.table-sepa2 .th-postal {
  min-width: 80px;
}

/* Address toggle button */
.address-toggle {
  padding: var(--space-sm) 0;
  text-align: center;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.8125rem;
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.btn-text:hover {
  background: var(--accent-light);
}

.btn-text svg {
  transition: transform var(--transition);
}

.btn-text.expanded svg {
  transform: rotate(180deg);
}

/* Address columns visibility */
.table-sepa2.show-all-address .th-street,
.table-sepa2.show-all-address .th-building,
.table-sepa2.show-all-address .th-postal,
.table-sepa2.show-all-address .td-street,
.table-sepa2.show-all-address .td-building,
.table-sepa2.show-all-address .td-postal {
  display: table-cell;
}

.table-sepa2 .th-street,
.table-sepa2 .th-building,
.table-sepa2 .th-postal,
.table-sepa2 .td-street,
.table-sepa2 .td-building,
.table-sepa2 .td-postal {
  display: none;
}

/* Country select styling */
.country-input {
  text-transform: uppercase;
}

/* Ensure building and postal inputs are left-aligned */
.table-sepa2 .td-building input,
.table-sepa2 .td-postal input {
  text-align: left;
}

/* SEPA 2.0 mobile responsiveness */
@media (max-width: 768px) {
  .form-grid-address {
    grid-template-columns: 1fr 1fr;
  }

  .sepa-version-badge {
    display: none;
  }
}

/* ============================================================================
   SEO PAGES STYLES
   ========================================================================= */

.seo-article {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.seo-hero {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.seo-hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.seo-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin: 0;
}

.hero-badge {
  display: inline-block;
  background: var(--accent);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.seo-content {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.seo-section {
  margin-bottom: var(--space-2xl);
}

.seo-section:last-child {
  margin-bottom: 0;
}

.seo-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.seo-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.seo-section p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.seo-section code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.875em;
  color: var(--accent);
}

/* Info Cards */
.info-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.info-card h3 {
  margin-top: 0;
  color: var(--accent);
}

.info-card p {
  margin-bottom: 0;
}

/* Version Comparison */
.version-comparison {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.version-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--space-lg);
}

.version-box h3 {
  margin-top: var(--space-sm);
}

.version-box p {
  margin-bottom: 0;
  font-size: 0.9375rem;
}

.version-box-new {
  border-color: var(--accent);
  background: var(--accent-light);
}

.version-label {
  display: inline-block;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.version-label-new {
  background: var(--accent);
  color: white;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
}

.feature-card .feature-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.feature-card h3 {
  margin-bottom: var(--space-xs);
}

.feature-card p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Use Cases */
.use-cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.use-case {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--space-md);
}

.use-case h3 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.use-case p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Steps List */
.steps-list {
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0;
  counter-reset: step;
}

.steps-list li {
  position: relative;
  padding-left: 60px;
  margin-bottom: var(--space-lg);
  counter-increment: step;
}

.steps-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
}

.steps-list li strong {
  display: block;
  color: var(--text-primary);
  font-size: 1.0625rem;
  margin-bottom: var(--space-xs);
}

.steps-list li p {
  margin: 0;
  font-size: 0.9375rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  margin-top: var(--space-2xl);
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--space-sm);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-lg);
}

.cta-section .btn-primary-modern {
  background: white;
  color: var(--accent);
}

.cta-section .btn-primary-modern:hover {
  background: var(--bg-secondary);
  transform: translateY(-2px);
}

.cta-inline {
  margin: var(--space-lg) 0;
}

/* Timeline Box */
.timeline-box {
  background: var(--warning-light);
  border: 1px solid var(--warning);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
}

.timeline-box h3 {
  color: var(--warning);
  margin-top: 0;
}

.timeline-box ul {
  margin: 0;
  padding-left: var(--space-lg);
}

.timeline-box li {
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

[data-theme="dark"] .timeline-box {
  background: rgba(251, 191, 36, 0.1);
}

/* Fields Table */
.fields-table {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  margin: var(--space-lg) 0;
}

.field-row {
  display: grid;
  grid-template-columns: 100px 1fr 100px;
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.field-row:last-child {
  border-bottom: none;
}

.field-row.field-required {
  background: var(--accent-light);
}

.field-name {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

.field-desc {
  color: var(--text-secondary);
}

.field-status {
  text-align: right;
  font-size: 0.8125rem;
  font-weight: 600;
}

.field-required .field-status {
  color: var(--accent);
}

/* Comparison Table */
.comparison-table {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  margin: var(--space-lg) 0;
}

.comparison-header,
.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
}

.comparison-header {
  background: var(--bg-tertiary);
  font-weight: 600;
}

.comparison-header span,
.comparison-row span {
  padding: var(--space-md);
  border-right: 1px solid var(--border-color);
}

.comparison-header span:last-child,
.comparison-row span:last-child {
  border-right: none;
}

.comparison-row {
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.comparison-row span:first-child {
  font-weight: 600;
  color: var(--text-primary);
}

/* Example Box */
.example-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
}

.example-box h3 {
  margin-top: 0;
  color: var(--text-primary);
}

.example-box p {
  margin-bottom: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.example-box p:last-child {
  margin-bottom: 0;
}

/* IBAN Examples */
.iban-examples {
  margin: var(--space-lg) 0;
}

.iban-example {
  display: grid;
  grid-template-columns: 120px 1fr 80px;
  align-items: center;
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: var(--space-sm);
}

.iban-example .country {
  font-weight: 600;
}

.iban-example code {
  background: var(--bg-tertiary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.5px;
}

.iban-example .length {
  text-align: right;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* SEO Related Links */
.seo-related {
  max-width: 800px;
  margin: var(--space-xl) auto 0;
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
}

.seo-related h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.seo-related ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.seo-related a {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.seo-related a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* SEO Footer */
.seo-footer {
  max-width: 800px;
  margin: var(--space-xl) auto 0;
  padding: var(--space-lg);
  text-align: center;
}

.seo-footer p {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
}

.seo-footer .footer-brand {
  margin-bottom: var(--space-sm);
}

.seo-footer .footer-contact {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s, color 0.2s;
}

.seo-footer .footer-contact:hover {
  opacity: 1;
  color: var(--accent);
}

.seo-footer .footer-contact svg {
  flex-shrink: 0;
}

.seo-footer a {
  color: var(--accent);
  text-decoration: none;
}

.seo-footer a:hover {
  text-decoration: underline;
}

/* SEO Pages Responsive */
@media (max-width: 768px) {
  .seo-hero h1 {
    font-size: 1.75rem;
  }

  .seo-subtitle {
    font-size: 1rem;
  }

  .seo-content {
    padding: var(--space-lg);
  }

  .version-comparison,
  .features-grid,
  .use-cases {
    grid-template-columns: 1fr;
  }

  .field-row {
    grid-template-columns: 80px 1fr 80px;
    font-size: 0.875rem;
  }

  .comparison-header,
  .comparison-row {
    font-size: 0.8125rem;
  }

  .comparison-header span,
  .comparison-row span {
    padding: var(--space-sm);
  }

  .iban-example {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }

  .iban-example .length {
    text-align: left;
  }

  .steps-list li {
    padding-left: 50px;
  }

  .steps-list li::before {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }
}

/* ============================================================================
   TUTORIAL OVERLAY SYSTEM
   ========================================================================= */

/* Tutorial Button in Header */
.tutorial-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

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

/* Blink animation to hint at tutorial availability */
@keyframes tutorialHint {
  0%, 100% {
    color: var(--text-secondary);
    transform: scale(1);
  }
  50% {
    color: var(--accent);
    transform: scale(1.15);
  }
}

.tutorial-btn.hint {
  animation: tutorialHint 0.6s ease-in-out 5;
}

/* Tutorial Overlay Backdrop */
.tutorial-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  pointer-events: auto;
}

.tutorial-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  transition: opacity var(--transition-slow);
}

[data-theme="dark"] .tutorial-backdrop {
  background: rgba(0, 0, 0, 0.55);
}

/* Spotlight Effect - highlights the target element */
.tutorial-spotlight {
  position: absolute;
  border-radius: var(--radius);
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.4);
  transition: all var(--transition-slow);
  pointer-events: none;
}

[data-theme="dark"] .tutorial-spotlight {
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.55);
}

/* Pulse animation for spotlight */
@keyframes tutorialPulse {
  0%, 100% { box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.4), 0 0 0 4px var(--accent); }
  50% { box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.4), 0 0 0 8px var(--accent-light); }
}

.tutorial-spotlight.pulse {
  animation: tutorialPulse 2s ease-in-out infinite;
}

/* Tutorial Tooltip */
.tutorial-tooltip {
  position: absolute;
  z-index: 2002;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  max-width: 320px;
  min-width: 260px;
  pointer-events: auto;
}

.tutorial-tooltip-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.tutorial-tooltip-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.tutorial-tooltip-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  border-radius: var(--radius);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition);
}

.tutorial-tooltip-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.tutorial-tooltip-content {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

.tutorial-tooltip-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.tutorial-tooltip-progress {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.tutorial-tooltip-buttons {
  display: flex;
  gap: var(--space-xs);
}

.tutorial-btn-prev,
.tutorial-btn-next {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.tutorial-btn-prev {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.tutorial-btn-prev:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.tutorial-btn-next {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: white;
}

.tutorial-btn-next:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Tutorial Arrow - Curved yellow arrow pointing to target */
.tutorial-arrow {
  position: absolute;
  z-index: 2001;
  pointer-events: none;
}

.tutorial-arrow svg {
  width: 50px;
  height: 70px;
  filter: drop-shadow(1px 2px 3px rgba(0, 0, 0, 0.4));
}

.tutorial-arrow path {
  fill: none;
  stroke: #FCD34D;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}


/* Arrow animation */
@keyframes arrowBounce {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(5px, 5px); }
}

.tutorial-arrow.animate {
  animation: arrowBounce 1s ease-in-out infinite;
}

/* Arrow positions - rotate to point toward target element */
.tutorial-arrow.arrow-down { transform: rotate(180deg); }
.tutorial-arrow.arrow-up { transform: rotate(0deg); }
.tutorial-arrow.arrow-right { transform: rotate(90deg); }
.tutorial-arrow.arrow-left { transform: rotate(-90deg); }

/* Don't show again checkbox */
.tutorial-dont-show {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: var(--space-sm);
}

.tutorial-dont-show input {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
}

/* Hide tutorial button when overlay is active */
.tutorial-active .tutorial-btn {
  visibility: hidden;
}

/* ============================================================================
   NOTIFICATION SYSTEM (Toasts & Modals)
   ========================================================================= */

/* Toast Notifications */
.notify-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
  font-size: 0.9rem;
  max-width: 90vw;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.notify-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.notify-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.notify-message {
  flex: 1;
  line-height: 1.4;
}

.notify-close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  margin-left: var(--space-xs);
}

.notify-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Toast types */
.notify-info .notify-icon { color: var(--accent); }
.notify-success .notify-icon { color: #10b981; }
.notify-warning .notify-icon { color: #f59e0b; }
.notify-error .notify-icon { color: #ef4444; }

.notify-error {
  border-color: rgba(239, 68, 68, 0.3);
}

.notify-success {
  border-color: rgba(16, 185, 129, 0.3);
}

/* Confirm Modal */
.notify-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.notify-modal-overlay.show {
  opacity: 1;
}

[data-theme="dark"] .notify-modal-overlay {
  background: rgba(0, 0, 0, 0.7);
}

.notify-modal {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 400px;
  width: 90vw;
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.notify-modal-overlay.show .notify-modal {
  transform: scale(1);
}

.notify-modal-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  padding-bottom: 0;
}

.notify-modal-icon {
  flex-shrink: 0;
}

.notify-modal-icon.notify-warning { color: #f59e0b; }
.notify-modal-icon.notify-error { color: #ef4444; }
.notify-modal-icon.notify-info { color: var(--accent); }
.notify-modal-icon.notify-success { color: #10b981; }

.notify-modal-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.notify-modal-body {
  padding: var(--space-lg);
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.notify-modal-body p {
  margin: 0;
}

.notify-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.notify-modal-footer-single {
  justify-content: center;
}

.notify-btn {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.notify-btn-cancel {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.notify-btn-cancel:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.notify-btn-confirm {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: white;
}

.notify-btn-confirm:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* ============================================================================
   DIFF / CHANGES TRACKING
   ========================================================================= */

/* Subtle highlight for changed cells */
.tbl-input.cell-changed {
  background: rgba(245, 158, 11, 0.08);
  border-left: 2px solid var(--warning);
}

.tbl-input.cell-changed:hover,
.tbl-input.cell-changed:focus {
  background: rgba(245, 158, 11, 0.15);
}

[data-theme="dark"] .tbl-input.cell-changed {
  background: rgba(251, 191, 36, 0.1);
}

[data-theme="dark"] .tbl-input.cell-changed:hover,
[data-theme="dark"] .tbl-input.cell-changed:focus {
  background: rgba(251, 191, 36, 0.18);
}

/* Changes button styling */
.btn-changes {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--warning-light);
  border: 1px solid var(--warning);
  color: var(--warning);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-changes:hover {
  background: var(--warning);
  color: white;
}

.btn-changes:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-changes #changesCount {
  font-weight: 700;
}

/* Changes table in modal */
.changes-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  margin: 0;
}

.changes-table th,
.changes-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.changes-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.changes-table td:first-child {
  width: 40px;
  text-align: center;
  color: var(--text-tertiary);
}

.changes-table .diff-old {
  color: var(--error);
  text-decoration: line-through;
  opacity: 0.8;
}

.changes-table .diff-new {
  color: var(--success);
  font-weight: 500;
}

.changes-table em {
  color: var(--text-tertiary);
  font-style: italic;
}

/* Changes modal - wider, compact height */
.notify-modal:has(.changes-table) {
  max-width: 750px;
  width: 90vw;
}

.notify-modal-body:has(.changes-table) {
  padding: 0 var(--space-md) var(--space-sm);
  max-height: 50vh;
  overflow-y: auto;
}

.notify-modal-header:has(+ .notify-modal-body .changes-table) {
  padding: var(--space-md) var(--space-md) var(--space-sm);
}