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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0a0a0a;
  color: #e0e0e0;
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  border-bottom: 1px solid #222;
  padding: 24px 0;
  margin-bottom: 48px;
}

header h1 {
  font-size: 1.5rem;
  color: #fff;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  color: #888;
  margin-top: 4px;
}

main {
  padding: 40px 0;
}

section {
  margin-bottom: 48px;
}

h2 {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 12px;
}

h3 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.hero p {
  color: #aaa;
  font-size: 1.05rem;
  max-width: 600px;
}

.steps {
  display: grid;
  gap: 16px;
}

.step {
  background: #141414;
  border: 1px solid #222;
  border-radius: 8px;
  padding: 20px;
}

.step-num {
  display: inline-block;
  width: 24px;
  height: 24px;
  background: #1a73e8;
  color: #fff;
  border-radius: 50%;
  text-align: center;
  font-size: 0.8rem;
  line-height: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step strong {
  display: block;
  color: #fff;
  margin-bottom: 4px;
}

.step p {
  color: #888;
  font-size: 0.9rem;
}

.provider-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.provider {
  background: #141414;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 0.9rem;
  color: #ccc;
}

pre {
  background: #141414;
  border: 1px solid #222;
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
}

code {
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
  font-size: 0.85rem;
  color: #8bc34a;
}

#verify-form {
  display: flex;
  gap: 8px;
}

#hash-input {
  flex: 1;
  background: #141414;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 12px 16px;
  color: #fff;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
}

#hash-input::placeholder {
  color: #555;
}

#hash-input:focus {
  outline: none;
  border-color: #1a73e8;
}

button {
  background: #1a73e8;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 12px 24px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
}

button:hover {
  background: #1557b0;
}

.back-link {
  color: #1a73e8;
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-block;
  margin-bottom: 16px;
}

.back-link:hover {
  text-decoration: underline;
}

.proof-card {
  background: #141414;
  border: 1px solid #222;
  border-radius: 8px;
  padding: 24px;
}

.proof-field {
  margin-bottom: 16px;
}

.proof-field:last-child {
  margin-bottom: 0;
}

.proof-label {
  display: block;
  color: #888;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.proof-value {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  color: #fff;
  word-break: break-all;
}

.proof-value a {
  color: #1a73e8;
  text-decoration: none;
}

.proof-value a:hover {
  text-decoration: underline;
}

.status-confirmed {
  color: #8bc34a;
}

.status-pending {
  color: #ff9800;
}

.not-found {
  text-align: center;
  padding: 40px;
  color: #888;
}

.not-found h3 {
  color: #fff;
  text-transform: none;
  letter-spacing: normal;
}

.payload-section {
  margin-bottom: 16px;
}

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

.payload-label {
  color: #888;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.payload-content {
  background: #0a0a0a;
  border: 1px solid #1a1a1a;
  border-radius: 6px;
  padding: 16px;
  font-size: 0.8rem;
  max-height: 400px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}

.export-btn {
  display: inline-block;
  background: #1a73e8;
  color: #fff;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

.export-btn:hover {
  background: #1557b0;
  text-decoration: none;
}

footer {
  border-top: 1px solid #222;
  padding: 24px 0;
  text-align: center;
  color: #555;
  font-size: 0.85rem;
}

footer a {
  color: #888;
}