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

:root {
  --bg: #0f1117;
  --bg-card: #1a1d2e;
  --bg-input: #252836;
  --border: #2e3142;
  --text: #e4e6f0;
  --text-dim: #8b8fa3;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --success: #00b894;
  --warning: #fdcb6e;
  --danger: #e17055;
  --radius: 12px;
  --radius-sm: 8px;
}

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

/* Navbar */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}

.brand-icon {
  color: var(--accent);
  font-size: 24px;
}

.brand-text .accent {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: 40px;
}

.nav-link {
  color: var(--text-dim);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all .2s;
  font-size: 14px;
  font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: rgba(108,92,231,0.12);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
  margin-left: auto;
}

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 48px 0 32px;
}

.hero h1 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-light) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-dim);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Quick Actions */
.quick-actions {
  display: flex;
  gap: 8px;
  max-width: 600px;
  margin: 24px auto;
}

.input-lg {
  flex: 1;
  padding: 14px 20px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border .2s;
}

.input-lg:focus {
  border-color: var(--accent);
}

.btn {
  padding: 10px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: #7c6cf0;
  transform: translateY(-1px);
}

.btn-sm {
  padding: 6px 14px;
  background: var(--bg-input);
  color: var(--text-dim);
  font-size: 12px;
  margin-top: 8px;
}
.btn-sm:hover {
  background: var(--border);
  color: var(--text);
}

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  cursor: pointer;
  transition: all .25s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(108,92,231,0.1);
}

.card-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.card p {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 16px;
}

.card-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
}

/* Tab content */
.tab-content {
  display: none;
}

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

.section-title {
  font-size: 28px;
  margin-bottom: 8px;
}

.section-desc {
  color: var(--text-dim);
  margin-bottom: 24px;
}

/* Tool tabs */
.tool-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.tool-tab {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .2s;
  margin-bottom: -1px;
}

.tool-tab:hover {
  color: var(--text);
}

.tool-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tool-panel {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.tool-panel.active {
  display: block;
}

.tool-panel h3 {
  margin-bottom: 6px;
}

.tool-panel > p {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 20px;
}

/* Form elements */
.input-group {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.input-group input,
.input-group textarea {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.input-group textarea {
  resize: vertical;
  min-height: 48px;
}

.input-group input:focus,
.input-group textarea:focus {
  border-color: var(--accent);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.form-grid.two-col {
  grid-template-columns: 1fr 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

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

.form-group label {
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border .2s;
}

.form-group select {
  cursor: pointer;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}

/* Result cards */
.result-card {
  margin-top: 20px;
  padding: 20px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.result-card.hidden {
  display: none;
}

.code-block {
  background: #0d0f17;
  padding: 16px;
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  color: #cdd6f4;
  border: 1px solid var(--border);
}

/* Stats & scores */
.score-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  font-size: 22px;
  font-weight: 700;
  border: 3px solid;
  margin-right: 16px;
}

.score-circle.good { border-color: var(--success); color: var(--success); }
.score-circle.ok { border-color: var(--warning); color: var(--warning); }
.score-circle.bad { border-color: var(--danger); color: var(--danger); }

.stats-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
}

.stat-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(46,49,66,0.5);
}

tr:last-child td {
  border-bottom: none;
}

/* Issues */
.issue-item {
  padding: 10px 14px;
  margin-bottom: 8px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.issue-item.high {
  background: rgba(225,112,85,0.12);
  border-left: 3px solid var(--danger);
}
.issue-item.medium {
  background: rgba(253,203,110,0.10);
  border-left: 3px solid var(--warning);
}
.issue-item.low {
  background: rgba(108,92,231,0.08);
  border-left: 3px solid var(--accent);
}

.issue-severity {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

.issue-item.high .issue-severity { background: rgba(225,112,85,0.2); color: var(--danger); }
.issue-item.medium .issue-severity { background: rgba(253,203,110,0.2); color: var(--warning); }
.issue-item.low .issue-severity { background: rgba(108,92,231,0.2); color: var(--accent); }

/* GEO specific */
.ai-preview-box {
  background: #0d0f17;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 1.7;
}

.ai-preview-box strong {
  color: var(--accent-light);
}

/* Category score bars */
.category-score {
  margin-bottom: 14px;
}
.category-score:last-child {
  margin-bottom: 0;
}

.category-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 4px;
}

.category-bar {
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}

.category-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1s ease;
}

/* NLP / Suggestions */
.suggestion-list {
  list-style: none;
  padding: 0;
}

.suggestion-list li {
  padding: 8px 12px 8px 24px;
  position: relative;
  font-size: 14px;
  color: var(--text-dim);
}

.suggestion-list li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Footer */
.footer {
  text-align: center;
  padding: 32px;
  color: var(--text-dim);
  font-size: 13px;
  border-top: 1px solid var(--border);
  margin-top: 48px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  transition: color .2s;
}

.footer-links a:hover {
  color: var(--accent);
}

/* Content sections */
.content-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-top: 32px;
}

.content-section h2 {
  font-size: 22px;
  margin-bottom: 12px;
}

.content-section p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 12px;
}

.content-section p:last-child {
  margin-bottom: 0;
}

.section-header {
  text-align: center;
  margin: 48px 0 8px;
}

.section-header h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.section-header p {
  color: var(--text-dim);
  font-size: 15px;
}

/* Static pages */
.static-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px;
}

.static-page h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

.static-page .last-updated {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 32px;
}

.static-page h2 {
  font-size: 22px;
  margin: 32px 0 12px;
}

.static-page h3 {
  font-size: 17px;
  margin: 24px 0 8px;
}

.static-page p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.static-page ul {
  list-style: disc;
  padding-left: 24px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.static-page ul li {
  margin-bottom: 4px;
}

.static-page .contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 500px;
  margin-top: 20px;
}

.static-page .contact-form label {
  font-size: 14px;
  color: var(--text-dim);
  font-weight: 500;
}

.static-page .contact-form input,
.static-page .contact-form textarea {
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  outline: none;
  font-family: inherit;
}

.static-page .contact-form input:focus,
.static-page .contact-form textarea:focus {
  border-color: var(--accent);
}

/* Loading animation */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px 16px;
}

.loading-spinner {
  position: relative;
  width: 56px;
  height: 56px;
}

.spinner-ring {
  width: 56px;
  height: 56px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

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

.loading-text {
  color: var(--text-dim);
  font-size: 14px;
  text-align: center;
  min-height: 20px;
  animation: pulse 1.5s ease-in-out infinite;
}

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

.loading-bar {
  width: 100%;
  max-width: 320px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.loading-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  transition: width 0.4s ease;
}

/* Hidden */
.hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 8px;
    margin-left: 0;
  }
  .nav-links.open {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .hero h1 { font-size: 26px; }
  .quick-actions { flex-direction: column; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid.two-col { grid-template-columns: 1fr; }
  .input-group { flex-direction: column; }
  .tool-tabs { overflow-x: auto; flex-wrap: nowrap; }
  .tool-tab { flex-shrink: 0; }
}