/* Amroba User Guide - responsive layout */

:root {
  --text: #1f2328;
  --muted: #606a75;
  --bg: #ffffff;
  --panel: #f6f8fa;
  --border: #d0d7de;
  --accent: #075985;
  --accent-soft: #e0f2fe;
  --content-width: 940px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

.page-header {
  background: linear-gradient(180deg, var(--panel), #ffffff);
  border-bottom: 1px solid var(--border);
}

.page-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
}

.page-header h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
}

.page-header p {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.page-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, var(--content-width));
  gap: 2rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
}

.toc {
  position: sticky;
  top: 1rem;
  align-self: start;
  max-height: calc(100vh - 2rem);
  overflow: auto;
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
}

.toc h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc li {
  margin: 0.25rem 0;
}

.toc-level-2 {
  padding-left: 0;
}

.toc-level-3 {
  padding-left: 1.25rem;
  font-size: 0.92rem;
}

.toc a {
  color: var(--accent);
  text-decoration: none;
}

.toc a:hover,
.toc a:focus {
  text-decoration: underline;
}

.guide-content {
  min-width: 0;
  width: 100%;
}

.guide-content h1,
.guide-content h2,
.guide-content h3,
.guide-content h4 {
  line-height: 1.25;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.guide-content h2 {
  font-size: 1.55rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}

.guide-content h3 {
  font-size: 1.25rem;
}

.guide-content p {
  margin: 0.75rem 0;
}

.guide-content ul,
.guide-content ol {
  padding-left: 1.5rem;
}

.guide-content li {
  margin: 0.25rem 0;
}

/* Inline icons: keep actual aspect ratio and original proportions. */
.guide-content img.inline-icon {
  display: inline-block !important;
  vertical-align: middle !important;
  max-width: none !important;
  max-height: none !important;
  width: auto;
  height: auto;
  margin: 0 0.35rem !important;
  border: 0 !important;
  object-fit: contain;
}

.guide-content .inline-line,
.guide-content p.has-inline-icon {
  display: inline;
  margin: 0;
}

/* Standalone screenshots/diagrams: responsive and not distorted. */
.guide-content img.block-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1rem auto;
  border: 1px solid var(--border);
}

.guide-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.guide-content th,
.guide-content td {
  border: 1px solid var(--border);
  padding: 0.5rem;
  vertical-align: top;
}

.guide-content th {
  background: var(--accent-soft);
  font-weight: 700;
}

.guide-content a {
  color: var(--accent);
}

@media (max-width: 920px) {
  .page-layout {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .toc {
    position: static;
    max-height: none;
  }

  .page-header-inner {
    padding: 1.5rem 1rem;
  }
}

@media (max-width: 560px) {
  body {
    line-height: 1.55;
  }

  .guide-content h2 {
    font-size: 1.3rem;
  }

  .guide-content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media print {
  .toc {
    display: none;
  }

  .page-layout {
    display: block;
    max-width: none;
    padding: 0;
  }

  .page-header {
    border-bottom: 1px solid #000;
  }

  .guide-content img.block-image {
    page-break-inside: avoid;
  }
}