/* sqmSQLTool – Shared Stylesheet | dtcSoftware © 2026 Uwe Janke */

/* ===================== CSS VARIABLES ===================== */
:root {
  --color-primary:      #0b1e3d;
  --color-accent:       #2e86c1;
  --color-accent-light: #5dade2;
  --color-bg:           #f4f6f9;
  --color-bg-card:      #ffffff;
  --color-text:         #1c2733;
  --color-text-muted:   #5d6d7e;
  --color-border:       #d5dce6;
  --color-success:      #1e8449;
  --color-warning:      #d68910;
  --color-code-bg:      #0d1b2a;
  --color-code-text:    #e8f4fd;

  /* Category border colors */
  --cat-alwayson:       #c0392b;
  --cat-backup:         #27ae60;
  --cat-security:       #8e44ad;
  --cat-performance:    #e67e22;
  --cat-instance:       #2980b9;
  --cat-database:       #16a085;
  --cat-maintenance:    #d35400;
  --cat-certs:          #1abc9c;
  --cat-services:       #2471a3;
  --cat-monitoring:     #7f8c8d;

  --shadow-card:        0 2px 12px rgba(26,58,92,0.10);
  --shadow-nav:         0 2px 8px rgba(26,58,92,0.18);
  --radius:             8px;
  --radius-sm:          4px;
  --transition:         0.2s ease;
  --max-width:          1200px;
  --font-main:          'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:          'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

/* ===================== RESET & BASE ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary); text-decoration: underline; }

img { max-width: 100%; height: auto; }

/* ===================== NAVIGATION ===================== */
.site-nav {
  background: var(--color-primary);
  box-shadow: var(--shadow-nav);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}

.nav-brand {
  color: #ffffff;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0.85rem 1.2rem 0.85rem 0;
  white-space: nowrap;
  border-right: 1px solid rgba(255,255,255,0.2);
  margin-right: 0.5rem;
  text-decoration: none;
}
.nav-brand:hover { color: var(--color-accent-light); text-decoration: none; }

.nav-back {
  color: rgba(255,255,255,0.65);
  font-size: 0.82rem;
  padding: 0.85rem 1rem 0.85rem 0;
  white-space: nowrap;
  margin-right: 0.75rem;
  border-right: 1px solid rgba(255,255,255,0.15);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--transition);
  order: -1;
}
.nav-back:hover { color: #ffffff; text-decoration: none; }

.nav-links {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.85rem 0.65rem;
  display: block;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  background: rgba(255,255,255,0.10);
  text-decoration: none;
}

/* ===================== BREADCRUMB ===================== */
.breadcrumb {
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  padding: 0.55rem 0;
}

.breadcrumb-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.breadcrumb-inner a { color: var(--color-accent); }
.breadcrumb-inner span.sep { opacity: 0.5; }
.breadcrumb-inner span.current { color: var(--color-text); font-weight: 500; }

/* ===================== HERO / PAGE HEADER ===================== */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0e2540 100%);
  color: #ffffff;
  padding: 3rem 1.5rem 2.5rem;
}

.page-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-hero h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.85rem;
}

.page-hero .lead {
  font-size: 1.05rem;
  opacity: 0.88;
  max-width: 780px;
  line-height: 1.55;
}

.page-hero .meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

/* ===================== BADGES / CHIPS ===================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.28rem 0.65rem;
  border-radius: 20px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-primary   { background: var(--color-accent);   color: #fff; }
.badge-secondary { background: rgba(255,255,255,0.18); color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.badge-cat       { background: var(--color-bg);        color: var(--color-primary); border: 1px solid var(--color-border); }

/* ===================== MAIN CONTENT ===================== */
main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  padding: 2.5rem 1.5rem 3rem;
}

/* ===================== SECTION ===================== */
section {
  margin-bottom: 3rem;
}

section > h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  display: inline-block;
}

/* ===================== FUNCTION CARD ===================== */
.func-card {
  background: var(--color-bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  border-left: 5px solid var(--color-accent);
  margin-bottom: 2rem;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.func-card:hover { box-shadow: 0 4px 20px rgba(26,58,92,0.16); }

/* Category-specific left borders */
.func-card.cat-alwayson    { border-left-color: var(--cat-alwayson); }
.func-card.cat-backup      { border-left-color: var(--cat-backup); }
.func-card.cat-security    { border-left-color: var(--cat-security); }
.func-card.cat-performance { border-left-color: var(--cat-performance); }
.func-card.cat-instance    { border-left-color: var(--cat-instance); }
.func-card.cat-database    { border-left-color: var(--cat-database); }
.func-card.cat-maintenance { border-left-color: var(--cat-maintenance); }
.func-card.cat-certs       { border-left-color: var(--cat-certs); }
.func-card.cat-services    { border-left-color: var(--cat-services); }
.func-card.cat-monitoring  { border-left-color: var(--cat-monitoring); }

.func-card-header {
  padding: 1.2rem 1.5rem 0.8rem;
  border-bottom: 1px solid var(--color-border);
  background: rgba(26,58,92,0.025);
}

.func-card-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
}

.func-name {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 1rem;
}

.func-subtitle {
  color: var(--color-text);
  font-weight: 500;
}

.func-card-body { padding: 1.2rem 1.5rem; }

/* ===================== QA SECTIONS ===================== */
.qa-section {
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 0.75rem;
}

.qa-section:last-of-type { margin-bottom: 0; }

.qa-section h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.45rem;
}

.qa-section p, .qa-section ul { font-size: 0.9rem; color: var(--color-text); line-height: 1.6; }

.qa-what    { background: #eaf4fb; }
.qa-when    { background: #f0faf4; }
.qa-pitfall { background: #fef9ec; }
.qa-benefit { background: #f3f0fb; }

.qa-what    h4 { color: #1a5276; }
.qa-when    h4 { color: #1d6a3a; }
.qa-pitfall h4 { color: #7d6608; }
.qa-benefit h4 { color: #512e8a; }

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

.qa-section ul li {
  padding: 0.2rem 0 0.2rem 1.4rem;
  position: relative;
}

.qa-pitfall ul li::before { content: "⚠"; position: absolute; left: 0; font-size: 0.8rem; }
.qa-benefit ul li::before { content: "✓"; position: absolute; left: 0; color: var(--color-success); font-weight: 700; }

/* ===================== CODE BLOCK ===================== */
.code-block {
  background: var(--color-code-bg);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  margin-top: 0.9rem;
  overflow-x: auto;
  position: relative;
}

.code-block::before {
  content: "PowerShell";
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.code-block pre {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-code-text);
  line-height: 1.55;
  white-space: pre;
  margin: 0;
}

.code-block .ps-comment  { color: #6a9955; }
.code-block .ps-cmdlet   { color: #569cd6; }
.code-block .ps-param    { color: #9cdcfe; }
.code-block .ps-string   { color: #ce9178; }
.code-block .ps-variable { color: #4fc1ff; }

/* ===================== INDEX PAGE ===================== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.4rem;
  margin-top: 1.5rem;
}

.category-card {
  background: var(--color-bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: transform var(--transition), box-shadow var(--transition);
  border-top: 4px solid var(--color-accent);
  text-decoration: none;
  color: inherit;
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(26,58,92,0.16);
  text-decoration: none;
}

.category-card .cat-icon  { font-size: 2rem; line-height: 1; }
.category-card .cat-name  { font-size: 1.05rem; font-weight: 700; color: var(--color-primary); }
.category-card .cat-count { font-size: 0.8rem; color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.category-card .cat-desc  { font-size: 0.88rem; color: var(--color-text-muted); line-height: 1.5; }
.category-card .cat-link  { font-size: 0.83rem; font-weight: 600; color: var(--color-accent); margin-top: auto; }

/* Category top-border colors */
.category-card.cat-alwayson    { border-top-color: var(--cat-alwayson); }
.category-card.cat-backup      { border-top-color: var(--cat-backup); }
.category-card.cat-security    { border-top-color: var(--cat-security); }
.category-card.cat-performance { border-top-color: var(--cat-performance); }
.category-card.cat-instance    { border-top-color: var(--cat-instance); }
.category-card.cat-database    { border-top-color: var(--cat-database); }
.category-card.cat-maintenance { border-top-color: var(--cat-maintenance); }
.category-card.cat-certs       { border-top-color: var(--cat-certs); }
.category-card.cat-services    { border-top-color: var(--cat-services); }
.category-card.cat-monitoring  { border-top-color: var(--cat-monitoring); }

/* Feature highlights */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.feature-item {
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--color-accent);
  box-shadow: var(--shadow-card);
}

.feature-item h3 { font-size: 0.92rem; font-weight: 700; color: var(--color-primary); margin-bottom: 0.3rem; }
.feature-item p  { font-size: 0.84rem; color: var(--color-text-muted); }

/* About section */
.about-section {
  background: var(--color-bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 2rem;
  margin-bottom: 2.5rem;
}

.about-section h2 { font-size: 1.3rem; color: var(--color-primary); margin-bottom: 1rem; border-bottom: 2px solid var(--color-accent); padding-bottom: 0.4rem; display: inline-block; }
.about-section p  { font-size: 0.94rem; margin-bottom: 0.7rem; max-width: 820px; }

.requirements-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.req-badge {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  font-family: var(--font-mono);
}

/* ===================== ANCHOR LINKS ===================== */
.func-anchor {
  display: block;
  position: relative;
  top: -80px;
  visibility: hidden;
}

/* ===================== BACK LINK ===================== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 2rem;
  padding: 0.5rem 0;
  border-top: 1px solid var(--color-border);
  width: 100%;
}

.back-link::before { content: "←"; font-size: 1rem; }
.back-link:hover { color: var(--color-primary); }

/* ===================== RELATED LINKS ===================== */
.related-links {
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  border: 1px solid var(--color-border);
  margin-top: 2rem;
}

.related-links h3 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); margin-bottom: 0.6rem; }
.related-links ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.related-links ul li a { display: inline-block; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 4px; padding: 0.25rem 0.6rem; font-size: 0.82rem; color: var(--color-accent); font-weight: 500; }
.related-links ul li a:hover { background: var(--color-accent); color: #fff; text-decoration: none; }

/* ===================== FOOTER ===================== */
footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.75);
  text-align: center;
  padding: 1.2rem 1.5rem;
  font-size: 0.82rem;
  margin-top: auto;
}

footer a { color: rgba(255,255,255,0.9); }
footer a:hover { color: #fff; }

/* ===================== TOC / ANCHOR LIST ===================== */
.toc {
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 1rem 1.2rem;
  margin-bottom: 2rem;
  max-width: 640px;
}

.toc h3 { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); margin-bottom: 0.6rem; }
.toc ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.toc ul li a { font-family: var(--font-mono); font-size: 0.8rem; color: var(--color-accent); background: var(--color-bg); border: 1px solid var(--color-border); padding: 0.2rem 0.5rem; border-radius: 3px; display: inline-block; }
.toc ul li a:hover { background: var(--color-accent); color: #fff; text-decoration: none; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
  .nav-inner { flex-direction: column; align-items: flex-start; gap: 0; }
  .nav-brand { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); width: 100%; padding: 0.7rem 0; }
  .nav-links { width: 100%; }
  .nav-links a { padding: 0.5rem 0.5rem; font-size: 0.78rem; }
  .page-hero { padding: 2rem 1rem 1.5rem; }
  main { padding: 1.5rem 1rem 2rem; }
  .func-card-header, .func-card-body { padding: 1rem; }
  .category-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .nav-links { gap: 0; }
  .category-grid, .feature-grid { grid-template-columns: 1fr; }
}