/* ==========================================================================
   Gray — The Contract Navigator
   Brand: black/white/gray, serif typography, clean and professional.
   ========================================================================== */

:root {
  --black: #1a1a1a;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-800: #262626;
  --accent: #1a1a1a;
  --radius: 4px;
  --max-width: 1080px;
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

/* ---------- Typography ---------- */

h1, h2, h3 { font-weight: 400; }
h1 { font-size: 2.4rem; line-height: 1.2; margin-bottom: 0.5em; }
h2 { font-size: 1.6rem; margin-bottom: 0.75em; }
h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5em; }

a { color: var(--black); text-decoration: underline; }
a:hover { text-decoration: none; }

/* ---------- Layout ---------- */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 60px 24px;
}

.section { padding: 60px 0; }
.section-alt { background: var(--gray-50); margin: 0 -24px; padding: 60px 24px; }

/* ---------- Nav ---------- */

.site-header {
  border-bottom: 1px solid var(--gray-200);
  padding: 16px 24px;
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 14px;
  letter-spacing: 4px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gray-600);
  font-weight: 400;
}

.nav-links { display: flex; gap: 24px; }
.nav-links a {
  font-size: 14px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  text-decoration: none;
  color: var(--gray-600);
}
.nav-links a:hover, .nav-links a.active { color: var(--black); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 15px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--black);
  color: var(--white);
}
.btn-primary:hover { background: var(--gray-800); }

.btn-secondary {
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--gray-300);
}
.btn-secondary:hover { background: var(--gray-50); }

.btn-full { width: 100%; text-align: center; }

/* ---------- Hero ---------- */

.hero {
  text-align: center;
  padding: 80px 0 60px;
  max-width: 700px;
  margin: 0 auto;
}

.tagline {
  font-style: italic;
  font-size: 1.15rem;
  color: var(--gray-600);
  margin-bottom: 1em;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-bottom: 2em;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-top: 32px;
}

.step { text-align: center; }

.step-number {
  width: 48px;
  height: 48px;
  line-height: 48px;
  border-radius: 50%;
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 18px;
  font-weight: 600;
  margin: 0 auto 16px;
}

/* ---------- Features ---------- */

.feature-list {
  list-style: none;
  max-width: 600px;
}
.feature-list li {
  padding: 8px 0 8px 24px;
  position: relative;
}
.feature-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--gray-500);
}

/* ---------- Pricing ---------- */

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.pricing-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}

.pricing-card.featured {
  border-color: var(--black);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.price {
  font-size: 2rem;
  font-weight: 700;
  margin: 12px 0;
}
.price span { font-size: 1rem; font-weight: 400; color: var(--gray-600); }

.price-note { font-size: 14px; color: var(--gray-600); margin-bottom: 16px; }

.pricing-card ul {
  list-style: none;
  text-align: left;
  margin: 16px 0 24px;
  font-size: 15px;
}
.pricing-card li { padding: 6px 0; border-bottom: 1px solid var(--gray-100); }

/* ---------- Trust ---------- */

.trust-points {
  max-width: 650px;
}
.trust-points ul {
  list-style: none;
  margin-top: 16px;
}
.trust-points li {
  padding: 6px 0 6px 24px;
  position: relative;
}
.trust-points li::before {
  content: '\1F512';
  position: absolute;
  left: 0;
  font-size: 14px;
}

/* ---------- Auth ---------- */

.auth-section {
  display: flex;
  justify-content: center;
  padding: 80px 0;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  padding: 40px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.auth-subtitle {
  font-size: 15px;
  color: var(--gray-600);
  margin-bottom: 24px;
}

.auth-form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label {
  font-size: 13px;
  font-weight: 600;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-600);
}
.form-group input {
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
}
.form-group input:focus {
  outline: none;
  border-color: var(--black);
}

.form-error {
  background: #fef2f2;
  color: #991b1b;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 14px;
}

.form-success {
  background: #f0fdf4;
  color: #166534;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 14px;
}

.auth-switch {
  margin-top: 20px;
  font-size: 14px;
  text-align: center;
  color: var(--gray-600);
}

/* ---------- Upload ---------- */

.upload-section { max-width: 600px; margin: 0 auto; text-align: center; }
.upload-subtitle { color: var(--gray-600); margin-bottom: 32px; }

.dropzone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 60px 24px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--black);
  background: var(--gray-50);
}
.dropzone-icon { font-size: 48px; margin-bottom: 12px; }
.dropzone-text { font-size: 16px; margin-bottom: 4px; }
.dropzone-subtext { font-size: 13px; color: var(--gray-500); }

.upload-progress { margin-top: 32px; }
.progress-bar {
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--black);
  width: 0;
  transition: width 0.4s ease;
}
.progress-text { margin-top: 12px; font-size: 14px; color: var(--gray-600); }

.upload-result { margin-top: 32px; }
.result-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  text-align: left;
}
.result-actions { margin-top: 20px; text-align: center; }
.result-note { font-size: 13px; color: var(--gray-500); margin-top: 8px; }

.upload-error {
  margin-top: 32px;
  background: #fef2f2;
  color: #991b1b;
  padding: 16px;
  border-radius: var(--radius);
}

.auth-gate { padding: 40px 0; }
.auth-buttons { display: flex; gap: 12px; justify-content: center; margin-top: 16px; }

/* ---------- Report ---------- */

.report-loading, .report-processing {
  text-align: center;
  padding: 80px 0;
}
.report-error {
  text-align: center;
  padding: 80px 0;
}
.processing-note { font-size: 14px; color: var(--gray-500); margin-top: 8px; }

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--black);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--gray-200);
  padding: 32px 24px;
  text-align: center;
}
.footer-content { max-width: var(--max-width); margin: 0 auto; }
.footer-content p { font-size: 13px; color: var(--gray-500); }
.footer-tagline { font-style: italic; margin-top: 4px; }

/* ---------- Utilities ---------- */

.hidden { display: none !important; }

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  h1 { font-size: 1.8rem; }
  .hero { padding: 40px 0 30px; }
  .hero-cta { flex-direction: column; }
  .pricing-cards { grid-template-columns: 1fr; }
  .auth-card { padding: 24px; }
}

/* ---------- CUI Disclaimer ---------- */

.cui-disclaimer {
  background: #fef9e7;
  border: 1px solid #d4ac0d;
  border-left: 4px solid #d4ac0d;
  padding: 14px 18px;
  margin-bottom: 24px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.5;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.cui-disclaimer strong {
  display: block;
  margin-bottom: 4px;
}
.cui-disclaimer a {
  color: var(--gray-600);
}

/* ---------- Footer Links ---------- */

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 12px;
}
.footer-links a {
  font-size: 13px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-500);
  text-decoration: none;
}
.footer-links a:hover { color: var(--black); text-decoration: underline; }

/* ---------- Legal Pages ---------- */

.legal-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 0;
}
.legal-content h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}
.legal-updated {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 32px;
  font-style: italic;
}
.legal-content h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
  border-bottom: none;
  padding-bottom: 0;
}
.legal-content h3 {
  font-size: 1rem;
  margin-top: 16px;
}
.legal-content p {
  margin-bottom: 12px;
}
.legal-content ul {
  margin-bottom: 12px;
  padding-left: 24px;
}
.legal-content li {
  margin-bottom: 6px;
  font-size: 15px;
}
.legal-content table {
  width: 100%;
  margin: 16px 0;
  font-size: 14px;
}
.legal-content th {
  text-align: left;
  font-weight: 600;
  background: var(--gray-100);
}
.legal-content td, .legal-content th {
  padding: 8px 12px;
  border-bottom: 1px solid var(--gray-200);
}

/* ---------- Result Legal Note ---------- */

.result-legal {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 8px;
}
.result-legal a { color: var(--gray-600); }

/* ---------- Preview ---------- */

.preview-result { margin-top: 24px; }

.preview-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  text-align: left;
}
.preview-card h3 {
  margin-bottom: 16px;
  font-size: 1.2rem;
}
.preview-card h4 {
  margin-top: 20px;
  margin-bottom: 12px;
  font-size: 1rem;
}
.preview-overview {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}
.preview-overview p { margin-bottom: 6px; font-size: 15px; }
.preview-summary { font-style: italic; margin-top: 8px; }
.preview-type { font-size: 16px; }

.preview-risk {
  background: var(--gray-100);
  border-left: 4px solid var(--gray-300);
  padding: 12px 16px;
  margin-bottom: 10px;
  border-radius: 2px;
  position: relative;
}
.preview-risk p { margin: 4px 0 0; font-size: 14px; }
.preview-risk-critical { border-left-color: #7b241c; }
.preview-risk-high { border-left-color: #c0392b; }
.preview-risk-medium { border-left-color: #c77d00; }
.preview-risk-low { border-left-color: #2d7d46; }

.preview-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 2px;
  background: var(--gray-200);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.preview-clauses {
  font-size: 13px;
  color: var(--gray-600);
  margin-top: 16px;
  font-family: 'Menlo', monospace;
}

.preview-upsell {
  margin-top: 20px;
  padding: 16px;
  background: var(--gray-50);
  border-radius: var(--radius);
  font-style: italic;
  font-size: 15px;
  text-align: center;
}

/* ---------- Dashboard ---------- */

.dashboard-section { max-width: 800px; margin: 0 auto; }

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.dashboard-header h1 { margin-bottom: 0; }

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.contracts-list { min-height: 100px; }
.loading-text { text-align: center; color: var(--gray-500); font-size: 14px; }

.contract-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
  transition: border-color 0.2s;
}
.contract-card:hover { border-color: var(--gray-300); }

.contract-info { flex: 1; }
.contract-filename {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}
.contract-meta {
  font-size: 13px;
  color: var(--gray-500);
  margin: 0;
}

.contract-status { min-width: 90px; text-align: center; }
.status-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
  background: var(--gray-200);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.status-completed .status-badge { background: #d4edda; color: #155724; }
.status-analyzing .status-badge { background: #fff3cd; color: #856404; }
.status-parsed .status-badge { background: #e2e3e5; color: #383d41; }
.status-failed .status-badge { background: #f8d7da; color: #721c24; }

.analyzing-indicator {
  font-size: 13px;
  color: var(--gray-500);
  font-style: italic;
}

.contract-actions { min-width: 120px; text-align: right; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-500);
}

/* Report panel */
.report-panel {
  max-width: 900px;
  margin: 0 auto;
}
.report-panel-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}
.btn-close {
  background: none;
  border: none;
  font-size: 14px;
  color: var(--gray-600);
  cursor: pointer;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  padding: 6px 12px;
  border-radius: var(--radius);
}
.btn-close:hover { background: var(--gray-100); }
.report-panel-content { min-height: 200px; }

/* Success banner */
.success-banner {
  background: #d4edda;
  color: #155724;
  padding: 12px 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-size: 15px;
  text-align: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}