styles.css

/* Modern Dark Corporate Theme for WireGuard MikroTik Configurator */

:root {
  /* Dark Corporate Color Palette */
  --primary-bg: #1a1d29;
  --secondary-bg: #252836;
  --tertiary-bg: #2d3142;
  --surface-bg: #353847;
  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-blue-light: #60a5fa;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #374151;
  --border-accent: #4b5563;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #06b6d4;
  
  /* Light Theme Colors */
  --light-primary-bg: #ffffff;
  --light-secondary-bg: #f8fafc;
  --light-tertiary-bg: #f1f5f9;
  --light-surface-bg: #e2e8f0;
  --light-text-primary: #0f172a;
  --light-text-secondary: #334155;
  --light-text-muted: #64748b;
  --light-border-color: #e2e8f0;
  --light-border-accent: #cbd5e1;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', monospace;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
}

/* Light Theme Override */
[data-theme="light"] {
  --primary-bg: var(--light-primary-bg);
  --secondary-bg: var(--light-secondary-bg);
  --tertiary-bg: var(--light-tertiary-bg);
  --surface-bg: var(--light-surface-bg);
  --text-primary: var(--light-text-primary);
  --text-secondary: var(--light-text-secondary);
  --text-muted: var(--light-text-muted);
  --border-color: var(--light-border-color);
  --border-accent: var(--light-border-accent);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 14px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container and Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md);
  min-height: 100vh;
}

/* Header Styles */
header {
  background: var(--secondary-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  position: relative;
}

header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

header h1 .version {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-muted);
  opacity: 0.7;
  margin-left: var(--spacing-sm);
}

header p {
  color: var(--text-secondary);
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xl);
}

/* Theme Toggle */
.theme-toggle {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.theme-switch {
  position: relative;
  width: 60px;
  height: 30px;
}

.theme-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.theme-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-accent);
  transition: 0.3s;
  border-radius: 30px;
}

.theme-slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 4px;
  background-color: var(--text-primary);
  transition: 0.3s;
  border-radius: 50%;
}

input:checked + .theme-slider {
  background-color: var(--accent-blue);
}

input:checked + .theme-slider:before {
  transform: translateX(30px);
}

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

/* Navigation Styles */
.main-nav {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  background: var(--tertiary-bg);
  padding: var(--spacing-sm);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.nav-button {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-button:hover {
  background: var(--surface-bg);
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.nav-button.active {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-md);
}

/* Page Content */
.page-content {
  display: none;
}

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

/* Section Styles */
.section {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.section h2 {
  color: var(--accent-blue);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--border-color);
}

.section h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.section h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

/* Configuration Type Selector */
.config-selector {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.radio-group {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  flex: 1;
  min-width: 250px;
}

.radio-group label:hover {
  border-color: var(--accent-blue);
  background: var(--tertiary-bg);
}

.radio-group input[type="radio"]:checked + label,
.radio-group label:has(input[type="radio"]:checked) {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue-light);
}

.radio-group input[type="radio"] {
  accent-color: var(--accent-blue);
}

/* Form Styles */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group label {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--tertiary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-group input.input-error {
  border-color: var(--error);
  background-color: rgba(239, 68, 68, 0.05);
}

.form-group input.input-error:focus {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group small {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Checkbox Styles */
.checkbox-group {
  flex-direction: row !important;
  align-items: center;
  gap: var(--spacing-sm) !important;
}

.checkbox-group label {
  margin: 0;
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-blue);
}

/* Button Styles */
.btn {
  background: var(--accent-blue);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  background: var(--accent-blue-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

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

.btn-success {
  background: var(--success);
}

.btn-success:hover {
  background: #059669;
}

.btn-warning {
  background: var(--warning);
}

.btn-warning:hover {
  background: #d97706;
}

.btn-small {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.75rem;
}

/* Actions */
.actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
}

/* Tooltip Styles */
.tooltip-container {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.info-btn {
  background: var(--accent-blue);
  color: white;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  font-size: 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.tooltip {
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-bg);
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  white-space: nowrap;
  max-width: 200px;
  white-space: normal;
  z-index: 1000;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--primary-bg);
}

.info-btn:hover .tooltip {
  opacity: 1;
  visibility: visible;
}

/* Output Section */
.output-section {
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--spacing-md);
}

.tab-button {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s ease;
  border-bottom: 2px solid transparent;
}

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

.tab-button.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
  background: var(--tertiary-bg);
}

.tab-content {
  display: none;
}

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

/* Configuration Output */
.config-section {
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.config-header {
  background: var(--tertiary-bg);
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.config-header h4 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
}

.copy-btn {
  background: var(--success);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.copy-btn:hover {
  background: #059669;
  transform: translateY(-1px);
}

.config-content {
  background: var(--primary-bg);
  padding: var(--spacing-lg);
}

.config-content pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* QR Code Styles */
.qr-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.qr-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--tertiary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.qr-item h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.qr-item canvas {
  background: white;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-sm);
  }
  
  header {
    padding: var(--spacing-lg);
  }
  
  header h1 {
    font-size: 1.75rem;
  }
  
  .theme-toggle {
    position: static;
    margin-top: var(--spacing-md);
    justify-content: center;
  }
  
  .main-nav {
    flex-direction: column;
  }
  
  .nav-button {
    justify-content: center;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .radio-group {
    flex-direction: column;
  }
  
  .tabs {
    flex-wrap: wrap;
  }
  
  .actions {
    flex-direction: column;
  }
  
  .actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Additional Utility Classes */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

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

.text-right {
  text-align: right;
}

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.3s ease-in;
}

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

.slide-in {
  animation: slideIn 0.3s ease-out;
}

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

/* Focus States for Accessibility */
.btn:focus-visible,
.nav-button:focus-visible,
.tab-button:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* ==================== Import Configuration Styles ==================== */

.import-section {
  background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--tertiary-bg) 100%);
  border: 2px solid var(--accent-blue);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

.import-section h2 {
  color: var(--accent-blue-light);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 600;
}

.section-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  font-size: 0.95rem;
}

.import-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.import-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.import-buttons .btn {
  cursor: pointer;
}

.import-buttons label.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.paste-area {
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.paste-area label {
  font-weight: 500;
  color: var(--text-secondary);
}

.paste-area textarea {
  width: 100%;
  min-height: 200px;
  padding: var(--spacing-md);
  background: var(--primary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  resize: vertical;
  transition: border-color 0.2s ease;
}

.paste-area textarea:focus {
  border-color: var(--accent-blue);
  outline: none;
}

.paste-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

.import-preview {
  background: var(--surface-bg);
  border: 1px solid var(--accent-blue);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.import-preview h4 {
  color: var(--accent-blue-light);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.import-preview pre {
  background: var(--primary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
}

.import-preview-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

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

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

/* Responsive adjustments for import section */
@media (max-width: 768px) {
  .import-buttons {
    flex-direction: column;
  }

  .import-buttons .btn {
    width: 100%;
  }

  .paste-actions,
  .import-preview-actions {
    flex-direction: column;
  }

  .paste-actions .btn,
  .import-preview-actions .btn {
    width: 100%;
  }
}

/* ==================== Multi-Provider LTE Styles ==================== */

#lteProvidersContainer {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.lte-provider-card {
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  transition: border-color 0.2s ease;
}

.lte-provider-card:hover {
  border-color: var(--accent-blue);
}

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

.provider-card-header h4 {
  color: var(--accent-blue-light);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.85rem;
}

.remove-provider {
  background: var(--error);
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

.remove-provider:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

.add-provider-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: flex-start;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.add-provider-section small {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive adjustments for multi-provider */
@media (max-width: 768px) {
  .provider-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .remove-provider {
    width: 100%;
  }

  .add-provider-section button {
    width: 100%;
  }
}

/* ==================== Advanced Client Configuration Styles ==================== */

.client-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.client-header h5 {
  margin: 0;
  color: var(--accent-blue-light);
  font-size: 1.1rem;
  font-weight: 600;
}

.client-advanced-panel {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--tertiary-bg);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent-blue);
}

.client-advanced-panel h6 {
  color: var(--accent-blue-light);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-md) 0;
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.client-advanced-panel.hidden {
  display: none;
}

.toggle-advanced {
  white-space: nowrap;
}

/* Responsive adjustments for client configuration */
@media (max-width: 768px) {
  .client-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .toggle-advanced {
    width: 100%;
  }
}

/* =====================================================
   MikroTik Router Connection Styles
   ===================================================== */

.router-connection-container {
  position: fixed;
  top: 100px;
  right: 20px;
  z-index: 1000;
}

.btn-router-connect {
  background: var(--primary);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.btn-router-connect:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.router-panel {
  position: absolute;
  top: 50px;
  right: 0;
  background: var(--bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  width: 400px;
  max-height: 80vh;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.router-panel.hidden {
  display: none;
}

.router-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.router-panel-header h3 {
  margin: 0;
  font-size: 18px;
  color: var(--text-primary);
}

.btn-close {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
}

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

.router-requirements {
  padding: var(--spacing-md);
  background: var(--card-bg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  border-left: 3px solid var(--primary);
}

.router-requirements h4 {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: 14px;
  color: var(--text-primary);
}

.router-requirements ul {
  margin: 0 0 var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  font-size: 13px;
  color: var(--text-muted);
}

.router-requirements ul li {
  margin-bottom: var(--spacing-xs);
}

.router-requirements details {
  margin-top: var(--spacing-sm);
  cursor: pointer;
}

.router-requirements summary {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  list-style: none;
  user-select: none;
}

.router-requirements summary::-webkit-details-marker {
  display: none;
}

.router-requirements summary::before {
  content: "▶ ";
  display: inline-block;
  margin-right: 4px;
  transition: transform 0.2s;
}

.router-requirements details[open] summary::before {
  transform: rotate(90deg);
}

.router-requirements p {
  margin: var(--spacing-xs) 0;
  font-size: 12px;
  color: var(--text-muted);
}

.router-setup-code {
  display: block;
  padding: var(--spacing-sm);
  margin: var(--spacing-sm) 0;
  border-radius: var(--border-radius);
  background: var(--hover-bg);
  border: 1px solid var(--border-color);
  font-family: 'Courier New', Courier, monospace;
  font-size: 12px;
  color: var(--text-primary);
  line-height: 1.6;
}

.router-connection-form {
  margin-bottom: var(--spacing-lg);
}

.router-status {
  padding: var(--spacing-md);
  background: var(--card-bg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.router-status.hidden {
  display: none;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #ef4444;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.status-text {
  font-weight: 500;
  color: var(--text-primary);
}

.router-system-info {
  padding: var(--spacing-md);
  background: var(--card-bg);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.router-system-info.hidden {
  display: none;
}

.router-system-info h4 {
  margin: 0 0 var(--spacing-md) 0;
  font-size: 16px;
  color: var(--text-primary);
}

.info-grid {
  display: grid;
  gap: var(--spacing-sm);
}

.info-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
  border-bottom: none;
}

.info-label {
  font-weight: 500;
  color: var(--text-muted);
}

.info-value {
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
}

.btn-success {
  background: #10b981;
  color: white;
}

.btn-success:hover {
  background: #059669;
}

.btn-success:disabled {
  background: #6b7280;
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-apply-router {
  position: relative;
}

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

/* Responsive adjustments for router connection panel */
@media (max-width: 768px) {
  .router-connection-container {
    top: 80px;
    right: 10px;
  }

  .router-panel {
    width: 90vw;
    max-width: 350px;
  }
}