/* MAPL Web Interface Styles - 3-Step Wizard */

:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --success-color: #16a34a;
  --error-color: #dc2626;
  --warning-color: #d97706;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --text-color: #1e293b;
  --text-muted: #64748b;
  --code-bg: #f1f5f9;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
header {
  background: linear-gradient(135deg, var(--primary-color), #3b82f6);
  color: white;
  padding: 1.5rem 2rem;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

header h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

header .subtitle {
  opacity: 0.9;
  font-size: 0.9rem;
}

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

.username-display {
  opacity: 0.9;
  font-size: 0.9rem;
}

.btn-logout {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.2s;
}

.btn-logout:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Main content */
main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* ===============================================
   Wizard Steps Indicator
   =============================================== */

.wizard-steps {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
  padding: 1rem 0;
}

.step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.4;
  transition: opacity 0.3s;
}

.step.active,
.step.completed {
  opacity: 1;
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1rem;
  transition: background-color 0.3s, color 0.3s;
}

.step.active .step-number {
  background: var(--primary-color);
  color: white;
}

.step.completed .step-number {
  background: var(--success-color);
  color: white;
}

.step.completed .step-number::after {
  content: '✓';
}

.step.completed .step-number {
  font-size: 0;
}

.step.completed .step-number::after {
  font-size: 1rem;
}

.step-label {
  font-weight: 500;
  font-size: 0.9rem;
}

.step-connector {
  width: 3rem;
  height: 2px;
  background: var(--border-color);
  margin: 0 0.5rem;
}

/* ===============================================
   Cards & Panels
   =============================================== */

.card {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.card h2 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-color);
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 0.75rem;
}

.card h3 {
  font-size: 1.1rem;
  margin: 1.5rem 0 1rem;
  color: var(--text-color);
}

.wizard-panel {
  animation: fadeIn 0.3s ease;
}

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

/* ===============================================
   File Inputs
   =============================================== */

.file-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.file-label {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}

.file-label:hover {
  border-color: var(--primary-color);
  background-color: var(--code-bg);
}

.file-label.has-file {
  border-color: var(--success-color);
  background-color: #f0fdf4;
}

.file-label input[type="file"] {
  display: none;
}

.file-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.file-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.file-name {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.5rem;
  background: var(--code-bg);
  border-radius: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

/* ===============================================
   Configuration
   =============================================== */

details {
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.5rem 1rem;
}

details summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.75rem 0;
  color: var(--text-color);
  list-style: none;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::before {
  content: '▶';
  display: inline-block;
  margin-right: 0.5rem;
  font-size: 0.75rem;
  transition: transform 0.2s;
}

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

details summary:hover {
  color: var(--primary-color);
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  padding: 1rem 0;
}

.config-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.config-item span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.config-item input,
.config-item select {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 1rem;
}

.config-item input:focus,
.config-item select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.slider-item input[type="range"] {
  width: 100%;
}

.checkbox-item {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.checkbox-item input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
}

/* ===============================================
   Validation Status
   =============================================== */

.validation-status {
  margin-bottom: 1.5rem;
  padding: 1rem;
  border-radius: 8px;
  background: var(--code-bg);
}

.validation-loading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
}

.validation-loading .spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.validation-success {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--success-color);
  font-weight: 600;
  font-size: 1.1rem;
}

.validation-success .checkmark {
  font-size: 1.5rem;
}

.validation-failure {
  color: var(--error-color);
}

.validation-failure .cross {
  font-size: 1.5rem;
  margin-right: 0.5rem;
}

.validation-failure ul,
.validation-warnings ul {
  margin-top: 0.75rem;
  margin-left: 1.5rem;
  font-size: 0.9rem;
}

.validation-warnings {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  color: var(--warning-color);
}

.validation-warnings .warning {
  font-size: 1.25rem;
  margin-right: 0.5rem;
}

.correct-column-info {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: #f0fdf4;
  border-radius: 6px;
  color: var(--success-color);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.correct-column-info .checkmark {
  font-size: 1.25rem;
}

.config-help {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ===============================================
   Pipeline Configuration
   =============================================== */

#pipelineConfigSection {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

#pipelineConfigSection h3 {
  margin-bottom: 0.5rem;
}

.config-intro {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.pipeline-stage {
  margin-bottom: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
}

.pipeline-stage summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  user-select: none;
}

.pipeline-stage summary::-webkit-details-marker {
  display: none;
}

.pipeline-stage summary::before {
  content: '▶';
  font-size: 0.65rem;
  color: var(--text-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.pipeline-stage[open] summary::before {
  transform: rotate(90deg);
}

.stage-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  height: 1.75rem;
  padding: 0 0.4rem;
  background: var(--primary-color);
  color: white;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.stage-title {
  font-weight: 600;
  color: var(--text-color);
  flex-shrink: 0;
}

.stage-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: normal;
  margin-left: auto;
}

.stage-explanation {
  padding: 0.75rem 1rem;
  margin: 0 1rem 1rem;
  background: var(--code-bg);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.pipeline-stage .config-grid {
  padding: 0 1rem 1rem;
}

.pipeline-stage .config-item {
  background: var(--bg-color);
  padding: 0.75rem;
  border-radius: 6px;
}

.param-help {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  line-height: 1.4;
}

/* Config subgroups (nested details) */
.config-subgroup {
  margin: 0 1rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-color);
}

.config-subgroup summary {
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.config-subgroup .config-grid {
  padding: 0.5rem 0.75rem 0.75rem;
}

.subgroup-help {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0 0.75rem;
  margin: 0 0 0.5rem;
  font-style: italic;
}

/* Constraint warnings */
.constraint-warning {
  margin: 0.5rem 0.75rem;
  padding: 0.5rem 0.75rem;
  background: #fef3c7;
  color: #92400e;
  border-radius: 4px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.constraint-warning::before {
  content: '⚠';
}

/* Weight pair container */
.weight-pair-container {
  position: relative;
}

/* Slider improvements */
.pipeline-stage .slider-item input[type="range"] {
  width: 100%;
  margin-top: 0.25rem;
}

.pipeline-stage .slider-item output {
  font-weight: 600;
  color: var(--primary-color);
}

/* Checkbox items in pipeline config */
.pipeline-stage .checkbox-item {
  flex-direction: row;
  align-items: center;
  background: var(--bg-color);
  padding: 0.75rem;
  border-radius: 6px;
}

/* Select inputs */
.pipeline-stage select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.9rem;
  background: white;
}

.pipeline-stage select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

/* Responsive adjustments for pipeline config */
@media (max-width: 768px) {
  .stage-desc {
    display: none;
  }

  .pipeline-stage .config-grid {
    grid-template-columns: 1fr;
  }
}

/* ===============================================
   Tooltips
   =============================================== */

.tooltip-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--border-color);
  color: var(--text-muted);
  font-size: 0.6rem;
  font-weight: 700;
  font-style: normal;
  cursor: help;
  border: none;
  padding: 0;
  margin-left: 0.35rem;
  flex-shrink: 0;
  vertical-align: middle;
  transition: background-color 0.2s, color 0.2s;
  line-height: 1;
}

.tooltip-trigger:hover,
.tooltip-trigger:focus {
  background: var(--primary-color);
  color: white;
  outline: none;
}

.tooltip-popup {
  position: fixed;
  z-index: 10000;
  max-width: 320px;
  padding: 0.625rem 0.75rem;
  background: var(--text-color);
  color: white;
  border-radius: 6px;
  font-size: 0.8rem;
  line-height: 1.5;
  font-weight: 400;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  word-wrap: break-word;
}

.tooltip-popup.visible {
  opacity: 1;
}

.tooltip-popup::after {
  content: '';
  position: absolute;
  border: 5px solid transparent;
}

.tooltip-popup.tooltip-below::after {
  bottom: 100%;
  left: 1rem;
  border-bottom-color: var(--text-color);
}

.tooltip-popup.tooltip-above::after {
  top: 100%;
  left: 1rem;
  border-top-color: var(--text-color);
}

/* Ensure label spans can contain the inline icon */
.config-item > span:first-of-type,
.checkbox-item > span {
  display: inline-flex;
  align-items: center;
}

@media (hover: none) and (pointer: coarse) {
  .tooltip-trigger {
    width: 1.25rem;
    height: 1.25rem;
    font-size: 0.65rem;
  }

  .tooltip-popup {
    max-width: calc(100vw - 2rem);
  }
}

/* ===============================================
   Preview Tables
   =============================================== */

.preview-info {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.preview-table th,
.preview-table td {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.preview-table th {
  background: var(--code-bg);
  font-weight: 600;
}

.preview-table td {
  background: white;
}

/* ===============================================
   Wizard Navigation
   =============================================== */

.wizard-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* ===============================================
   Buttons
   =============================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

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

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

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

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

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

.btn-run {
  background: var(--success-color);
  color: white;
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-run:hover:not(:disabled) {
  background: #15803d;
  transform: translateY(-1px);
}

.btn-run .btn-icon {
  font-size: 0.9rem;
}

.btn-stop {
  background: var(--error-color);
  color: white;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn-stop:hover:not(:disabled) {
  background: #b91c1c;
  transform: translateY(-1px);
}

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

.btn-stop .btn-icon {
  font-size: 0.85rem;
}

.progress-actions {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

.cancelled-notice {
  color: var(--error-color);
  margin-bottom: 0.5rem;
}

.btn-restart {
  width: 100%;
  background: var(--code-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  margin-top: 2rem;
  padding: 1rem;
}

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

.post-run-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.post-run-actions .btn {
  flex: 1;
  justify-content: center;
}

.btn-restart-small {
  background: var(--code-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-restart-small:hover {
  background: var(--border-color);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* ===============================================
   Progress
   =============================================== */

.progress-bar {
  height: 24px;
  background: var(--code-bg);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), #3b82f6);
  border-radius: 12px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-stats {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===============================================
   Logs
   =============================================== */

.logs-container {
  max-height: 250px;
  overflow-y: auto;
  background: var(--code-bg);
  border-radius: 8px;
  padding: 1rem;
  font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
  font-size: 0.8rem;
}

.log-entry {
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--border-color);
}

.log-entry:last-child {
  border-bottom: none;
}

.log-info { color: var(--text-muted); }
.log-success { color: var(--success-color); }
.log-error { color: var(--error-color); }
.log-warning { color: var(--warning-color); }

/* ===============================================
   Results Table
   =============================================== */

.results-grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.results-grid th,
.results-grid td {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.results-grid th {
  background: var(--code-bg);
  font-weight: 600;
  position: sticky;
  top: 0;
}

.results-grid tbody tr {
  transition: background-color 0.2s;
}

.result-correct {
  background-color: #f0fdf4 !important;
}

.result-error {
  background-color: #fef2f2 !important;
}

.result-nodata {
  background-color: #fffbeb !important;
}

.status-correct {
  color: var(--success-color);
  font-weight: 600;
}

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

/* ===============================================
   Results Summary
   =============================================== */

.results-summary {
  padding: 1rem;
  background: var(--code-bg);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.results-summary p {
  margin-bottom: 0.5rem;
}

.results-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

/* ===============================================
   Output Documentation
   =============================================== */

.output-docs {
  padding: 1rem;
  background: var(--code-bg);
  border-radius: 8px;
}

.output-docs h4 {
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.output-docs h4:first-child {
  margin-top: 0;
}

.output-docs p {
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

.docs-table th,
.docs-table td {
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

.docs-table th {
  background: var(--bg-color);
  font-weight: 600;
}

.docs-table-compact td:first-child {
  text-align: center;
  width: 2.5rem;
}

.docs-tree {
  background: var(--bg-color);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
  font-size: 0.8rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
  white-space: pre;
}

/* ===============================================
   Learning & Accuracy
   =============================================== */

.learning-container,
.accuracy-container {
  padding: 1rem;
  background: var(--code-bg);
  border-radius: 8px;
}

.learning-help {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-style: italic;
}

.learning-container pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
  font-size: 0.85rem;
  max-height: 400px;
  overflow-y: auto;
  margin-bottom: 1rem;
}

.learning-indicator {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: #fef3c7;
  color: #92400e;
  border-radius: 4px;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

#learningDetails[open] summary {
  color: var(--primary-color);
  font-weight: 600;
}

#learningDetails summary::after {
  content: '';
}

#learningDetails[open] summary::after {
  content: ' (New rules available!)';
  color: var(--warning-color);
  font-size: 0.85rem;
  font-weight: normal;
}

/* ===============================================
   Log Viewer
   =============================================== */

.logs-navigation {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.logs-navigation select {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
}

.logs-viewer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

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

.log-panel {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.log-panel h4 {
  background: var(--code-bg);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
  margin: 0;
}

.log-panel pre {
  padding: 1rem;
  max-height: 400px;
  overflow: auto;
  font-size: 0.8rem;
  font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}

/* ===============================================
   Footer
   =============================================== */

footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===============================================
   Utilities
   =============================================== */

[hidden] {
  display: none !important;
}

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

.running .btn-text {
  animation: pulse 1.5s infinite;
}

/* ===============================================
   Login Page
   =============================================== */

.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
}

.login-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.login-card {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--primary-color), #3b82f6);
  margin: -2.5rem -2.5rem 2rem -2.5rem;
  padding: 2rem;
  border-radius: 12px 12px 0 0;
}

.login-header h1 {
  font-size: 2rem;
  color: white;
  margin-bottom: 0.5rem;
}

.login-header .subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
}

.login-form .form-group {
  margin-bottom: 1.5rem;
}

.login-form label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.login-form input[type="text"],
.login-form input[type="password"] {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.login-form input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-login {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.login-form .error-message {
  background: #fef2f2;
  color: var(--error-color);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  text-align: center;
}

.login-footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 600px) {
  .wizard-steps {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .step-connector {
    display: none;
  }

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

  .file-inputs {
    grid-template-columns: 1fr;
  }

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

  .wizard-nav {
    flex-direction: column;
    gap: 1rem;
  }

  .wizard-nav .btn {
    width: 100%;
    justify-content: center;
  }

  .header-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

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

  .header-actions {
    justify-content: center;
  }

  .login-card {
    padding: 1.5rem;
  }
}