@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #fff;
  color: #000;
  line-height: 1.6;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
}

.landing h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.landing .subtitle {
  color: #555;
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.btn-group {
  display: flex;
  gap: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border: 2px solid #000;
  background: #fff;
  color: #000;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn:hover {
  background: #000;
  color: #fff;
}

.btn.primary {
  background: #000;
  color: #fff;
}

.btn.primary:hover {
  background: #fff;
  color: #000;
}

.btn.small {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
}

.secondary {
  color: #555;
}

code, pre {
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
  font-size: 0.9rem;
}

code {
  background: #f5f5f5;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
}

pre {
  background: #f5f5f5;
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1rem;
  border-radius: 3px;
}

pre code {
  background: none;
  padding: 0;
}

/* How-it-works grid */
.how-intro {
  margin-bottom: 1.25rem;
}

.how-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.how-box {
  flex: 1 1 150px;
  border: 2px solid #000;
  padding: 1rem;
  text-align: center;
}

.how-box h3 {
  margin-bottom: 0.4rem;
  font-size: 1rem;
  font-weight: 700;
}

.how-box p {
  margin: 0;
  font-size: 0.9rem;
  color: #555;
}

/* MCP client collapsibles */
.mcp-intro {
  margin-bottom: 1rem;
}

details.mcp-client {
  border: 2px solid #000;
  padding: 0.65rem 1rem;
  margin-bottom: 0.5rem;
}

details.mcp-client > summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  outline: none;
}

details.mcp-client > summary::-webkit-details-marker {
  display: none;
}

details.mcp-client > summary::before {
  content: "▸ ";
  display: inline-block;
  width: 1em;
}

details.mcp-client[open] > summary::before {
  content: "▾ ";
}

details.mcp-client[open] > summary {
  margin-bottom: 0.5rem;
}

details.mcp-client pre {
  margin-bottom: 0.25rem;
}

.hidden {
  display: none !important;
}

/* Form elements */
label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

input[type="text"],
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 2px solid #000;
  font-family: inherit;
  font-size: 1rem;
  background: #fff;
  color: #000;
  margin-bottom: 1rem;
  outline: none;
}

input[type="text"]:focus,
textarea:focus {
  border-color: #555;
}

textarea {
  min-height: 150px;
  resize: vertical;
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
  font-size: 0.9rem;
}

/* Key display */
.key-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #f5f5f5;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
  font-size: 0.9rem;
  word-break: break-all;
}

.key-display .key-value {
  flex: 1;
}

.warning {
  color: #b00;
  font-weight: 600;
  margin-bottom: 1rem;
}

.success {
  color: #080;
  font-weight: 600;
  margin-bottom: 1rem;
}

.config-section {
  margin-bottom: 2rem;
}

.config-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid #f0f0f0;
}

.info-row .label {
  color: #555;
  font-size: 0.9rem;
}

.info-row .value {
  font-weight: 600;
}

.spacer {
  height: 2rem;
}

hr {
  border: none;
  border-top: 1px solid #eee;
  margin: 2rem 0;
}

/* Back link */
.back {
  display: inline-block;
  color: #555;
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.back:hover {
  color: #000;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  body {
    background: #111;
    color: #e0e0e0;
  }

  .landing .subtitle,
  .secondary,
  .back,
  .info-row .label {
    color: #999;
  }

  .btn {
    border-color: #e0e0e0;
    background: #111;
    color: #e0e0e0;
  }

  .btn:hover {
    background: #e0e0e0;
    color: #111;
  }

  .btn.primary {
    background: #e0e0e0;
    color: #111;
  }

  .btn.primary:hover {
    background: #111;
    color: #e0e0e0;
  }

  input[type="text"],
  textarea {
    border-color: #e0e0e0;
    background: #1a1a1a;
    color: #e0e0e0;
  }

  input[type="text"]:focus,
  textarea:focus {
    border-color: #999;
  }

  code, pre, .key-display {
    background: #1a1a1a;
  }

  .info-row {
    border-bottom-color: #333;
  }

  .how-box {
    border-color: #e0e0e0;
  }

  .how-box p {
    color: #999;
  }

  details.mcp-client {
    border-color: #e0e0e0;
  }

  hr {
    border-top-color: #333;
  }

  .warning {
    color: #f66;
  }

  .success {
    color: #6c6;
  }
}

/* Responsive */
@media (max-width: 500px) {
  .landing h1 {
    font-size: 2rem;
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

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