/* ============================================================
   Fateh ERP Documentation — docs.css
   ============================================================ */

:root {
  /* Fateh brand */
  --fateh-navy:  #0F2557;
  --fateh-blue:  #1B4FD8;
  --fateh-blue-lt: #2563EB;
  --fateh-sky:   #0EA5E9;
  --fateh-sky-lt:#F0F9FF;
  --fateh-sky-md:#BAE6FD;

  /* Neutrals */
  --gray-50:  #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  /* Semantic */
  --text-primary:   var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted:     var(--gray-400);
  --border:         var(--gray-200);
  --bg-page:        #FAFBFF;
  --bg-sidebar:     #FFFFFF;
  --bg-card:        #FFFFFF;

  /* Sidebar dimensions */
  --sidebar-w: 272px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;

  /* Spacing */
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:    0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.10);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-page);
  display: flex;
  min-height: 100vh;
}
a { color: var(--fateh-blue); text-decoration: none; }
a:hover { color: var(--fateh-blue-lt); }

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  transition: transform .25s ease;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 0;
  min-height: 68px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-500);
  padding: 4px;
  border-radius: var(--radius-sm);
}
.sidebar-toggle:hover { background: var(--gray-100); color: var(--gray-800); }

.sidebar-search {
  position: relative;
  margin: 16px 16px 8px;
}
.sidebar-search input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font-sans);
  background: var(--gray-50);
  color: var(--text-primary);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.sidebar-search input:focus {
  border-color: var(--fateh-sky);
  box-shadow: 0 0 0 3px rgba(14,165,233,.12);
  background: #fff;
}
.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

.sidebar-nav {
  flex: 1;
  padding: 8px 12px 20px;
}

.nav-group {
  margin-bottom: 6px;
}
.nav-group + .nav-group {
  margin-top: 4px;
}

.nav-group-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--gray-400);
  padding: 10px 8px 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  color: var(--text-secondary);
  transition: background .15s, color .15s;
  margin-bottom: 1px;
  border-left: 2px solid transparent;
}
.nav-link:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}
.nav-link.active {
  background: var(--fateh-sky-lt);
  color: var(--fateh-blue);
  font-weight: 600;
  border-left-color: var(--fateh-sky);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}
.sidebar-version {
  font-size: 12px;
  color: var(--gray-400);
}

/* ============================================================
   MAIN WRAPPER
   ============================================================ */
.main-wrapper {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- Topbar ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 56px;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 32px;
  gap: 12px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-600);
  padding: 6px;
  border-radius: var(--radius-sm);
}
.mobile-menu-btn:hover { background: var(--gray-100); }

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray-400);
  flex: 1;
}
.topbar-breadcrumb span.active { color: var(--text-primary); font-weight: 500; }

.topbar-actions {
  display: flex;
  gap: 8px;
}

.topbar-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  background: white;
  transition: all .15s;
}
.topbar-btn:hover {
  border-color: var(--fateh-sky);
  color: var(--fateh-blue);
  background: var(--fateh-sky-lt);
}

/* ---- Content ---- */
.content {
  flex: 1;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  padding: 48px 40px;
}

.content-inner {}

/* ============================================================
   HERO
   ============================================================ */
.doc-hero {
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.hero-badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--fateh-sky-lt);
  color: var(--fateh-blue);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--fateh-navy);
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--fateh-blue) 0%, var(--fateh-sky) 100%);
  color: white;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 2px 8px rgba(37,99,235,.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37,99,235,.4);
  color: white;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  background: white;
  color: var(--gray-700);
  font-weight: 500;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all .15s;
}
.btn-secondary:hover {
  border-color: var(--fateh-sky);
  color: var(--fateh-blue);
  background: var(--fateh-sky-lt);
}

/* ============================================================
   FEATURE CARDS GRID
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all .2s;
  color: var(--text-primary);
}
.feature-card:hover {
  border-color: var(--fateh-sky-md);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  color: var(--text-primary);
}

.fc-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.fc-content {
  flex: 1;
}
.fc-content h3 {
  font-size: 14.5px;
  font-weight: 600;
  margin-bottom: 4px;
}
.fc-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.fc-arrow {
  color: var(--gray-300);
  flex-shrink: 0;
  margin-top: 4px;
  transition: color .15s;
}
.feature-card:hover .fc-arrow { color: var(--fateh-sky); }

/* ============================================================
   DOC SECTIONS
   ============================================================ */
.doc-section {
  margin-bottom: 48px;
}

.doc-section h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--fateh-navy);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--fateh-sky-md);
}

.doc-section h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--gray-800);
  margin: 28px 0 10px;
}

.doc-section p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.doc-section ul, .doc-section ol {
  margin: 12px 0 20px 24px;
}
.doc-section li {
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.doc-section li strong { color: var(--text-primary); }

/* ---- Page hero (inner pages) ---- */
.page-hero {
  margin-bottom: 40px;
}
.page-hero h1 {
  font-size: 30px;
  font-weight: 700;
  color: var(--fateh-navy);
  margin-bottom: 10px;
}
.page-hero p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
}

/* ---- Tables ---- */
.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 20px 0;
}
.doc-table thead th {
  background: var(--gray-50);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gray-500);
  border-bottom: 2px solid var(--border);
}
.doc-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}
.doc-table tbody tr:last-child td { border-bottom: none; }
.doc-table tbody tr:hover td { background: var(--gray-50); }

/* ---- Callouts ---- */
.callout {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  border-radius: var(--radius);
  margin: 24px 0;
  font-size: 14px;
  line-height: 1.6;
  border: 1px solid;
}
.callout svg { flex-shrink: 0; margin-top: 2px; }
.callout a { font-weight: 500; }

.callout-info {
  background: #EFF6FF;
  border-color: #BFDBFE;
  color: #1E40AF;
}
.callout-info svg { color: #3B82F6; }

.callout-warning {
  background: #FFFBEB;
  border-color: #FCD34D;
  color: #92400E;
}
.callout-warning svg { color: #F59E0B; }

.callout-success {
  background: #F0FDF4;
  border-color: #BBF7D0;
  color: #14532D;
}
.callout-success svg { color: #22C55E; }

.callout-danger {
  background: #FFF1F2;
  border-color: #FECDD3;
  color: #9F1239;
}
.callout-danger svg { color: #F43F5E; }

/* ---- Steps ---- */
.steps {
  counter-reset: step;
  margin: 24px 0;
}
.step {
  display: flex;
  gap: 18px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--fateh-blue), var(--fateh-sky));
  color: white;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.step-content h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.step-content p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

/* ---- Code ---- */
code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--gray-100);
  color: #D6336C;
  padding: 2px 6px;
  border-radius: 4px;
}
pre {
  background: var(--gray-900);
  color: #E2E8F0;
  padding: 20px 24px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 20px 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
}
pre code { background: none; color: inherit; padding: 0; }

/* ---- Screenshot mock ---- */
.screenshot {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 24px 0;
  box-shadow: var(--shadow);
}
.ss-bar {
  background: #E8ECEF;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}
.ss-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.ss-url {
  flex: 1;
  text-align: center;
  font-size: 11.5px;
  color: var(--gray-500);
  background: white;
  border-radius: 4px;
  padding: 3px 10px;
  max-width: 320px;
  margin: 0 auto;
}
.ss-img {
  display: block;
  width: 100%;
  height: auto;
}
.ss-caption {
  padding: 10px 16px;
  font-size: 12.5px;
  color: var(--gray-500);
  background: var(--gray-50);
  border-top: 1px solid var(--border);
  text-align: center;
}

/* ---- Keyboard ---- */
kbd {
  display: inline-block;
  padding: 2px 7px;
  background: white;
  border: 1px solid var(--gray-300);
  border-bottom-width: 2px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray-700);
}

/* ---- Page Nav ---- */
.page-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.page-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: all .15s;
}
.page-nav a:hover {
  border-color: var(--fateh-sky);
  color: var(--fateh-blue);
  background: var(--fateh-sky-lt);
}
.page-nav-prev span::before { content: "← "; }
.page-nav-next { flex-direction: row-reverse; }

/* ---- Footer ---- */
.doc-footer {
  padding: 24px 40px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 13px;
  color: var(--gray-400);
}
.doc-footer a { color: var(--gray-500); }
.doc-footer a:hover { color: var(--fateh-blue); }

/* ---- Sidebar overlay (mobile) ---- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 90;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .content { padding: 36px 28px; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  .sidebar-overlay.visible { display: block; }
  .mobile-menu-btn { display: flex; }
  .main-wrapper { margin-left: 0; }
  .topbar { padding: 0 20px; }
  .content { padding: 28px 20px; }
  .hero-title { font-size: 26px; }
  .hero-desc { font-size: 15px; }
  .card-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { text-align: center; justify-content: center; }
}

/* ---- Data Table ---- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 20px 0;
}
.data-table th {
  background: var(--fateh-sky-lt);
  color: var(--fateh-navy);
  font-weight: 600;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 2px solid var(--border);
}
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--gray-700);
  vertical-align: top;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-light); }

/* ---- FAQ Accordion ---- */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-item summary {
  padding: 14px 18px;
  font-weight: 500;
  font-size: 15px;
  color: var(--gray-800);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-light);
  transition: background .15s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: var(--fateh-blue);
  font-weight: 300;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:hover { background: var(--fateh-sky-lt); }
.faq-item p {
  padding: 14px 18px;
  margin: 0;
  font-size: 14px;
  color: var(--gray-600);
  border-top: 1px solid var(--border);
}

/* ---- Glossary ---- */
.glossary-list {
  margin: 0;
}
.glossary-list dt {
  font-weight: 600;
  font-size: 15px;
  color: var(--fateh-navy);
  margin-top: 24px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.glossary-list dd {
  margin: 8px 0 0 0;
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ---- Sidebar toggle button ---- */
.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--gray-400);
}