:root {
  --bg-main: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #273549;
  --border: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: rgba(59, 130, 246, 0.15);
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --purple: #8b5cf6;
  --purple-light: rgba(139, 92, 246, 0.15);
  --radius: 12px;
  --shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

body {
  font-family: var(--font);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  padding: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Navbar / Header */
header.app-header {
  background-color: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1rem 0;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-badge {
  background: linear-gradient(135deg, var(--primary), var(--purple));
  color: #fff;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 800;
}

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

.engine-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  padding: 0.3rem 0.8rem;
  border-radius: 9999px;
  background-color: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  box-shadow: 0 0 8px currentColor;
}

/* Hero Section */
.hero {
  text-align: center;
  margin: 2rem 0 3rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #ffffff 40%, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 650px;
  margin: 0 auto;
}

/* Card */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

/* Form Styles */
.audit-form-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 1rem;
  align-items: end;
}

@media (max-width: 850px) {
  .audit-form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="url"],
input[type="number"],
select {
  width: 100%;
  background-color: #0f172a;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-main);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #2563eb);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

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

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-completed {
  background-color: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-scraping {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.3);
  animation: pulse 2s infinite;
}

.badge-analyzing {
  background-color: var(--purple-light);
  color: var(--purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
  animation: pulse 2s infinite;
}

.badge-queued {
  background-color: var(--warning-light);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-failed {
  background-color: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Audits Table */
.table-responsive {
  overflow-x: auto;
}

table.audits-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.audits-table th {
  background-color: rgba(15, 23, 42, 0.5);
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

table.audits-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  vertical-align: middle;
}

table.audits-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.domain-cell {
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.score-pill {
  font-weight: 800;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  font-size: 0.85rem;
  display: inline-block;
  text-align: center;
  min-width: 42px;
}

.score-high {
  background-color: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.score-mid {
  background-color: var(--warning-light);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.score-low {
  background-color: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 520px;
  padding: 2.25rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  text-align: center;
}

.modal-spinner {
  width: 56px;
  height: 56px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1.5rem;
}

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

.stepper {
  margin: 1.5rem 0;
  text-align: left;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.step-item.active {
  color: var(--text-main);
  font-weight: 600;
}

.step-item.done {
  color: var(--success);
}

.step-circle {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
}

/* Live Progress Bar */
.progress-container {
  margin: 1.5rem 0 1rem;
  background-color: #0f172a;
  border: 1px solid var(--border);
  border-radius: 9999px;
  height: 12px;
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  border-radius: 9999px;
  width: 5%;
  transition: width 0.4s ease-in-out;
  box-shadow: 0 0 14px rgba(59, 130, 246, 0.6);
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.progress-url-preview {
  font-size: 0.8rem;
  color: var(--primary);
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 6px;
  padding: 0.4rem 0.7rem;
  margin-top: 0.85rem;
  word-break: break-all;
  text-align: left;
  display: none;
}

/* Report Page Specific */
.report-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.report-title h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.score-hero-card {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 2rem;
}

.score-circle {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 2.75rem;
  font-weight: 900;
  flex-shrink: 0;
  border: 4px solid var(--primary);
  background: rgba(59, 130, 246, 0.1);
  box-shadow: 0 0 25px rgba(59, 130, 246, 0.2);
}

.score-circle small {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: -4px;
}

.strategic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.insight-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform 0.2s, border-color 0.2s;
}

.insight-card:hover {
  border-color: #475569;
  transform: translateY(-2px);
}

.insight-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.insight-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: #fff;
}

.insight-card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  white-space: pre-line;
}

/* Accordion */
.accordion-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.accordion-header {
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-card);
  transition: background-color 0.2s;
  user-select: none;
}

.accordion-header:hover {
  background-color: var(--bg-card-hover);
}

.accordion-body {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  display: none;
  background-color: #131d2e;
}

.accordion-body.open {
  display: block;
}

.page-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

.detail-block h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  letter-spacing: 0.04em;
}

.detail-block p, .detail-block ul {
  font-size: 0.92rem;
  color: var(--text-main);
}

.detail-block ul {
  padding-left: 1.2rem;
}

/* Print Friendly */
@media print {
  header.app-header, .btn, .hero, .modal-overlay { display: none !important; }
  body { background: #fff !important; color: #000 !important; }
  .card, .insight-card, .accordion-item, .score-hero-card {
    background: #fff !important;
    color: #000 !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
  .accordion-body { display: block !important; background: #fff !important; }
  h1, h2, h3, h4, p { color: #000 !important; }
}