/* CSS Custom Properties for Theme System */
:root {
  /* Light Theme Colors */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Spacing */
  --border-radius: 0.75rem;
  --border-radius-sm: 0.5rem;
  --border-radius-lg: 1rem;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #475569;
  --accent-color: #60a5fa;
  --accent-hover: #3b82f6;
  --success-color: #34d399;
  --error-color: #f87171;
  --warning-color: #fbbf24;
}

/* Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Base Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 0.75rem;
  width: 100%;
}

/* Header */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Theme Toggle */
.theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-1px);
}

/* Main Container */
.main-container {
  padding: 2rem 0;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Card */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 2.5rem;
  margin: 0 auto;
  max-width: 600px;
  width: 100%;
  box-sizing: border-box;
}

.card-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.form-control,
.form-select {
  width: 100%;
  max-width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  resize: none;
  box-sizing: border-box;
}

.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.form-control.error,
.form-select.error {
  border-color: var(--error-color);
  box-shadow: 0 0 0 3px rgb(239 68 68 / 0.1);
}

.form-control:disabled,
.form-select:disabled {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  border-color: var(--border-color);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-error {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Upload Area */
.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.upload-area:hover {
  border-color: var(--accent-color);
  background: var(--bg-primary);
}

.upload-area.dragover {
  border-color: var(--success-color);
  background: rgb(16 185 129 / 0.1);
  transform: scale(1.02);
}

.upload-area.error {
  border-color: var(--error-color);
  background: rgb(239 68 68 / 0.1);
}

.upload-icon {
  font-size: 4rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
  line-height: 1;
  display: block;
}

.upload-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.upload-subtitle {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* File Info */
.file-info {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--accent-color);
}

/* Platform Selection */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}

.platform-item {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.platform-item:hover {
  border-color: var(--accent-color);
  background: var(--bg-primary);
}

.platform-item.selected {
  border-color: var(--accent-color);
  background: rgb(59 130 246 / 0.1);
}

.platform-checkbox {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--accent-color);
}

.platform-label {
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.platform-label .platform-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.platform-label svg {
  flex-shrink: 0;
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
}

.btn-outline:hover:not(:disabled) {
  background: var(--accent-color);
  color: white;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Loading States */
.spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 0.5rem;
  flex-shrink: 0;
}

.loading {
  display: inline-flex;
  align-items: center;
}

.progress-text {
  white-space: nowrap;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Alerts */
.alert {
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  border-left: 4px solid;
}

.alert-success {
  background: rgb(16 185 129 / 0.1);
  border-left-color: var(--success-color);
  color: var(--success-color);
}

.alert-error {
  background: rgb(239 68 68 / 0.1);
  border-left-color: var(--error-color);
  color: var(--error-color);
}

.alert-warning {
  background: rgb(245 158 11 / 0.1);
  border-left-color: var(--warning-color);
  color: var(--warning-color);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 0.5rem;
  box-shadow: var(--shadow-lg);
  max-width: 350px;
  animation: slideIn 0.3s ease;
}

.toast-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

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

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

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 0.5rem;
  }

  .card {
    padding: 1.5rem 1rem;
    margin: 0.5rem;
    max-width: calc(100vw - 1rem);
  }

  .card-title {
    font-size: 1.5rem;
  }

  .upload-area {
    padding: 2rem 1rem;
  }

  .platforms-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .platform-item {
    padding: 0.75rem;
  }

  .form-control,
  .form-select {
    padding: 0.625rem 0.75rem;
    font-size: 0.9rem;
  }

  .header .container {
    padding: 0 0.5rem;
  }

  .main-container {
    padding: 1rem 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.25rem;
  }

  .card {
    padding: 1rem 0.75rem;
    margin: 0.25rem;
    max-width: calc(100vw - 0.5rem);
    border-radius: var(--border-radius);
  }

  .card-title {
    font-size: 1.25rem;
  }

  .upload-area {
    padding: 1.5rem 0.75rem;
  }

  .upload-icon {
    font-size: 2rem;
  }

  .upload-title {
    font-size: 1rem;
  }

  .platform-item {
    padding: 0.625rem 0.5rem;
  }

  .platform-label {
    font-size: 0.875rem;
    gap: 0.5rem;
  }

  .form-control,
  .form-select {
    padding: 0.5rem 0.625rem;
    font-size: 0.875rem;
  }

  .btn-lg {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }

  .form-label {
    font-size: 0.8rem;
  }

  .text-muted {
    font-size: 0.75rem;
  }

  .header .container {
    padding: 0 0.25rem;
  }

  .logo {
    font-size: 1.25rem;
  }

  .main-container {
    padding: 0.5rem 0;
    min-height: calc(100vh - 60px);
  }
}

/* Text Utility Classes */
.text-muted {
  color: var(--text-muted);
  text-align: center;
  display: block;
}

.text-muted-without-align {
  color: var(--text-muted);
  display: block;
}

/* Version Info */
.version-info {
  position: fixed;
  bottom: 10px;
  left: 10px;
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.5;
  font-family: 'Courier New', monospace;
  z-index: 10;
  pointer-events: none;
  user-select: none;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Settings Page Styles */
.settings-page {
  max-width: 800px;
  margin: 0 auto;
}

.page-header {
  text-align: center;
  margin-bottom: 3rem;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.settings-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Settings Page Sections */
.settings-section {
  margin-bottom: 2rem;
}

.section-header {
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.5;
}

/* Credential Stack Selector */
.credential-stack-selector {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.stack-selector-container {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.stack-selector-container .form-select {
  flex: 1;
  min-width: 200px;
}

.stack-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.stack-actions .btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .stack-selector-container {
    flex-direction: column;
    align-items: stretch;
  }
  
  .stack-actions {
    justify-content: center;
  }
}

.platforms-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.platform-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all 0.3s ease;
}

.platform-card:hover {
  box-shadow: var(--shadow-lg);
}

.platform-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.platform-header:hover {
  background: var(--bg-primary);
}

.platform-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.platform-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.platform-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

.platform-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}

.platform-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.platform-status {
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.platform-status[data-status="configured"] {
  background: rgb(16 185 129 / 0.1);
  color: var(--success-color);
  border: 1px solid var(--success-color);
}

.platform-status[data-status="unconfigured"] {
  background: rgb(245 158 11 / 0.1);
  color: var(--warning-color);
  border: 1px solid var(--warning-color);
}

.platform-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: all 0.3s ease;
}

.platform-toggle:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.platform-toggle svg {
  transition: transform 0.3s ease;
}

.platform-content {
  padding: 2rem;
  border-top: 1px solid var(--border-color);
  display: none;
}

.platform-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

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

.btn-error:hover:not(:disabled) {
  background: #dc2626;
  transform: translateY(-1px);
}

/* Responsive adjustments for settings */
@media (max-width: 768px) {
  .page-title {
    font-size: 2rem;
  }
  
  .settings-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .platform-header {
    padding: 1rem;
  }
  
  .platform-content {
    padding: 1.5rem;
  }
  
  .platform-actions {
    flex-direction: column;
  }
  
  .header-actions {
    gap: 0.5rem;
  }
  
  .header-actions .btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 1.75rem;
  }
  
  .platform-info {
    gap: 0.75rem;
  }
  
  .platform-icon {
    width: 2.5rem;
    height: 2.5rem;
  }
  
  .platform-name {
    font-size: 1.1rem;
  }
  
  .header-actions .btn span {
    display: none;
  }
}