:root {
   font-family: Inter, "Segoe UI", system-ui, sans-serif;
   color: #202530;
   background: #f5f7fa;
   --surface: #ffffff;
   --surface-alt: #f1f4f8;
   --text: #202530;
   --muted: #667085;
   --primary: #315a85;
   --primary-hover: #244565;
   --border: #d8dee8;
   --tip-background: #fff6df;
   --tip-border: #e5ca85;
   --radius: 10px;
   line-height: 1.55;
}

* {
   box-sizing: border-box;
}

body {
   margin: 0;
   background: #f5f7fa;
   color: var(--text);
}

.shell {
   width: min( 1000px, calc(100% - 2rem));
   margin-inline: auto;
}

.site-header {
   padding-block: 3rem;
   background: #24344d;
   color: white;
}

   .site-header h1 {
      margin: 0.35rem 0;
      font-size: clamp( 2rem, 6vw, 3.5rem);
      line-height: 1.1;
   }

.subtitle {
   max-width: 700px;
   margin: 0.5rem 0 0;
   color: #d5deeb;
   font-size: 1.1rem;
}

.page-type {
   color: #9fb6d3;
   font-size: 0.75rem;
   font-weight: 700;
   text-transform: uppercase;
   letter-spacing: 0.12em;
}

.page-content {
   padding-block: 2rem 5rem;
}

.page-description {
   max-width: 750px;
   margin: 0 0 2rem;
   color: var(--muted);
   font-size: 1.1rem;
}

.card-grid {
   display: grid;
   grid-template-columns: repeat( auto-fit, minmax(280px, 1fr));
   gap: 1rem;
}

.card {
   display: flex;
   flex-direction: column;
   padding: 1.5rem;
   background: var(--surface);
   border: 1px solid var(--border);
   border-radius: var(--radius);
}

   .card h2 {
      margin: 0 0 0.5rem;
      font-size: 1.25rem;
   }

   .card p {
      color: var(--muted);
   }

.hub-card {
   color: inherit;
   text-decoration: none;
   transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

   .hub-card:hover {
      border-color: #94abc7;
      box-shadow: 0 5px 18px rgb(24 39 75 / 10%);
      transform: translateY(-2px);
   }

.card-icon {
   margin-bottom: 0.75rem;
   font-size: 2rem;
}

.card-action {
   margin-top: auto;
   padding-top: 1rem;
   color: var(--primary);
   font-weight: 700;
}

.tags {
   display: flex;
   flex-wrap: wrap;
   gap: 0.4rem;
   margin-block: 0.75rem;
}

.tag {
   padding: 0.25rem 0.6rem;
   border-radius: 999px;
   background: #e7eef7;
   color: #355778;
   font-size: 0.8rem;
   font-weight: 600;
}

.provider {
   margin-bottom: 0.4rem;
   color: var(--muted);
   font-size: 0.75rem;
   font-weight: 700;
   text-transform: uppercase;
   letter-spacing: 0.08em;
}

.tip {
   margin-block: 1rem;
   padding: 0.8rem 1rem;
   background: var(--tip-background);
   border: 1px solid var(--tip-border);
   border-radius: 7px;
}

.instruction-panel {
   margin-bottom: 2rem;
   padding: 1.5rem;
   background: var(--surface);
   border: 1px solid var(--border);
   border-radius: var(--radius);
}

   .instruction-panel h2 {
      margin-top: 0;
   }

.prompt-preview {
   margin-block: 1rem;
}

   .prompt-preview pre,
   .result-panel pre,
   .plain-text {
      overflow-x: auto;
      white-space: pre-wrap;
      overflow-wrap: anywhere;
      padding: 1rem;
      background: #f2f4f7;
      border-radius: 6px;
      font-family: "Cascadia Code", Consolas, monospace;
      font-size: 0.85rem;
   }

.button {
   display: inline-block;
   padding: 0.7rem 1rem;
   border: 0;
   border-radius: 7px;
   cursor: pointer;
   font: inherit;
   font-weight: 700;
   text-decoration: none;
}

.button-primary {
   background: var(--primary);
   color: white;
}

   .button-primary:hover {
      background: var(--primary-hover);
   }

.activity-card .button {
   margin-top: auto;
}

.generated-form {
   max-width: 700px;
   padding: 1.5rem;
   background: var(--surface);
   border: 1px solid var(--border);
   border-radius: var(--radius);
}

.form-field {
   margin-bottom: 1.5rem;
}

   .form-field > label,
   .form-field legend {
      display: block;
      margin-bottom: 0.4rem;
      font-weight: 700;
   }

   .form-field input[type="text"],
   .form-field input[type="number"],
   .form-field textarea,
   .form-field select {
      width: 100%;
      padding: 0.7rem 0.8rem;
      border: 1px solid #b9c2cf;
      border-radius: 6px;
      background: white;
      color: var(--text);
      font: inherit;
   }

   .form-field textarea {
      min-height: 120px;
      resize: vertical;
   }

   .form-field fieldset {
      margin: 0;
      padding: 0;
      border: 0;
   }

.checkbox-field,
.radio-field {
   display: flex !important;
   align-items: flex-start;
   gap: 0.6rem;
   margin-block: 0.4rem;
   font-weight: 400 !important;
}

.required {
   color: #a82e2e;
}

.help-text {
   margin-top: 0.35rem;
   color: var(--muted);
   font-size: 0.85rem;
}

.result-panel {
   max-width: 700px;
   margin-top: 2rem;
   padding: 1.5rem;
   background: var(--surface);
   border: 1px solid var(--border);
   border-radius: var(--radius);
}

.status-message {
   min-height: 1.5rem;
   margin-top: 1rem;
   color: var(--muted);
}

.content-document {
   max-width: 800px;
   padding: 2rem;
   background: var(--surface);
   border: 1px solid var(--border);
   border-radius: var(--radius);
}

   .content-document img {
      max-width: 100%;
   }

   .content-document pre {
      overflow-x: auto;
   }

   .content-document blockquote {
      margin-left: 0;
      padding-left: 1rem;
      border-left: 4px solid var(--border);
      color: var(--muted);
   }

.redirect-page {
   display: grid;
   min-height: 100vh;
   place-items: center;
}

.redirect-card {
   width: min(500px, 100%);
   padding: 2rem;
   background: var(--surface);
   border: 1px solid var(--border);
   border-radius: var(--radius);
   text-align: center;
}

.technical-note {
   margin-top: 2rem;
   color: var(--muted);
   font-size: 0.8rem;
}

@media (max-width: 600px) {
   .site-header {
      padding-block: 2rem;
   }

   .page-content {
      padding-block: 1.5rem 3rem;
   }

   .generated-form,
   .content-document {
      padding: 1rem;
   }
}