/* Orbit ERP Migration Hub Modern Stylesheet */
:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(99, 102, 241, 0.4);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  --accent-primary: #6366f1;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --accent-cyan: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(236, 72, 153, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Container */
.app-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  margin-bottom: 30px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.brand-title h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #fff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-title p {
  font-size: 13px;
  color: var(--text-muted);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #34d399;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Stepper Navigation */
.stepper-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.step-item.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-primary);
  color: #fff;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.25);
}

.step-item.completed {
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}

.step-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  transition: var(--transition);
}

.step-item.active .step-number {
  background: var(--accent-primary);
  color: #fff;
}

.step-item.completed .step-number {
  background: var(--success);
  color: #0b0f19;
}

.step-text {
  font-size: 13px;
  font-weight: 600;
}

/* Content Cards */
.content-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--glass-shadow);
  margin-bottom: 24px;
  display: none;
}

.content-card.active {
  display: block;
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Radio Cards (Source Selection) */
.source-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.source-card {
  padding: 24px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.source-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(99, 102, 241, 0.3);
}

.source-card.selected {
  background: rgba(99, 102, 241, 0.08);
  border-color: var(--accent-primary);
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.2);
}

.source-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.source-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.source-card.selected .source-card-icon {
  background: var(--accent-primary);
  color: #fff;
}

.source-card h3 {
  font-size: 16px;
  font-weight: 700;
}

.source-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Form Controls */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #e5e7eb;
}

input[type="text"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  padding: 12px 14px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 14px;
  transition: var(--transition);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

/* Drag and Drop Dropzone */
.dropzone {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  background: rgba(15, 23, 42, 0.4);
  transition: var(--transition);
  margin-bottom: 24px;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.06);
}

.dropzone-icon {
  font-size: 40px;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.dropzone-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.dropzone-hint {
  font-size: 13px;
  color: var(--text-dim);
}

/* Detected Tables Grid */
.detected-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.table-badge-card {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.table-badge-card.found {
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.05);
}

.table-badge-card.missing {
  opacity: 0.6;
}

.table-badge-name {
  font-size: 13px;
  font-weight: 600;
}

.table-badge-status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.table-badge-card.found .table-badge-status {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.table-badge-card.missing .table-badge-status {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-dim);
}

/* Preflight Diagnostics */
.audit-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-box {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
}

.stat-box-val {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 4px;
}

.stat-box-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.diagnostic-alerts {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.alert-item {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.4;
}

.alert-item.info {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
}

.alert-item.warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}

.alert-item.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

/* Progress & Live Terminal */
.progress-container {
  margin-bottom: 20px;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.progress-bar-bg {
  width: 100%;
  height: 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 6px;
  background: var(--accent-gradient);
  transition: width 0.3s ease;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.6);
}

.live-terminal {
  background: #050811;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: 'Fira Code', monospace;
  font-size: 12px;
  height: 360px;
  overflow-y: auto;
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-line {
  line-height: 1.4;
  word-break: break-all;
}

.log-line.info { color: #94a3b8; }
.log-line.success { color: #34d399; }
.log-line.warning { color: #fbbf24; }
.log-line.error { color: #f87171; }

.log-timestamp {
  color: var(--text-dim);
  margin-right: 8px;
}

/* Buttons & Actions */
.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  background: #4f46e5;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #e5e7eb;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Responsive */
@media (max-width: 900px) {
  .stepper-nav {
    grid-template-columns: 1fr;
  }
  .source-grid,
  .form-grid,
  .audit-summary-grid {
    grid-template-columns: 1fr;
  }
}