/* ═══════════════════════════════════════════
   SLMT LMS — Enterprise Documentation Portal
   Professional UI · TCS/Wipro Grade
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --navy:         #0C2B4E;
  --navy-mid:     #14375f;
  --navy-light:   #1e4d7b;
  --gold:         #D4AF37;
  --gold-light:   #f0d060;
  --sidebar-w:    272px;
  --header-h:     64px;
  --surface:      #f5f6fa;
  --border:       #e4e8ef;
  --text-primary: #111827;
  --text-secondary:#4b5563;
  --text-muted:   #9ca3af;
  --white:        #ffffff;
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    16px;
  --shadow-sm:    0 1px 4px rgba(0,0,0,.06);
  --shadow-md:    0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:    0 8px 32px rgba(0,0,0,.10);
  --transition:   .18s ease;
}

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

html{scroll-behavior:smooth;}

body{
  font-family:'Inter',sans-serif;
  background:var(--surface);
  color:var(--text-primary);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  overflow-x:hidden;
  font-size:14px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

/* ── Layout ─────────────────────────────────── */
.docs-layout{display:flex;flex:1;min-height:0;}

/* ═══════════════════════════════════════════
   SIDEBAR — Enterprise Grade
   ═══════════════════════════════════════════ */
.sidebar{
  width:var(--sidebar-w);
  background:var(--navy);
  color:#fff;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  flex-shrink:0;
  position:sticky;
  top:0;
  height:100vh;
  border-right:1px solid rgba(255,255,255,.04);
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.1) transparent;
}
.sidebar::-webkit-scrollbar{width:4px;}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:4px;}

/* Sidebar Header */
.sidebar-header{
  padding:20px 18px 16px;
  border-bottom:1px solid rgba(255,255,255,.07);
  flex-shrink:0;
  background:linear-gradient(160deg,#0a2040 0%,var(--navy) 100%);
}

.sidebar-logo{
  display:flex;
  align-items:center;
  gap:11px;
  margin-bottom:6px;
}

.sidebar-logo .logo-icon{
  width:36px;height:36px;
  background:linear-gradient(135deg,var(--gold) 0%,#e8c44a 100%);
  border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-size:.9rem;
  color:var(--navy);
  box-shadow:0 2px 8px rgba(212,175,55,.35);
  flex-shrink:0;
}

.sidebar-header h4{
  font-family:'Plus Jakarta Sans',sans-serif;
  font-size:1rem;
  font-weight:800;
  color:#fff;
  letter-spacing:-.3px;
  line-height:1.2;
}

.sidebar-header small{
  font-size:.6rem;
  font-weight:500;
  color:rgba(255,255,255,.35);
  text-transform:uppercase;
  letter-spacing:1.5px;
  display:block;
  margin-top:2px;
}

/* Version badge */
.sidebar-header::after{
  content:'v 2.0  ENTERPRISE';
  display:block;
  font-size:.55rem;
  font-weight:700;
  letter-spacing:1.2px;
  color:rgba(212,175,55,.6);
  margin-top:10px;
  text-transform:uppercase;
  padding:3px 8px;
  border:1px solid rgba(212,175,55,.2);
  border-radius:4px;
  width:fit-content;
}

/* Sidebar Nav */
.sidebar-nav{padding:10px 10px 24px;flex:1;}

.nav-label{
  font-size:.57rem;
  font-weight:700;
  color:rgba(255,255,255,.28);
  text-transform:uppercase;
  letter-spacing:1.5px;
  padding:16px 10px 5px;
}

.sidebar-nav a,.nav-link-dropdown{
  display:flex;
  align-items:center;
  gap:10px;
  color:rgba(255,255,255,.6);
  text-decoration:none;
  padding:8px 10px;
  border-radius:var(--radius-sm);
  font-size:.76rem;
  font-weight:500;
  transition:var(--transition);
  margin-bottom:1px;
  cursor:pointer;
}

.sidebar-nav a i,.nav-link-dropdown i{
  width:16px;text-align:center;font-size:.72rem;opacity:.55;flex-shrink:0;
}

.sidebar-nav a:hover,.nav-link-dropdown:hover{
  background:rgba(255,255,255,.07);
  color:#fff;
}
.sidebar-nav a:hover i,.nav-link-dropdown:hover i{opacity:.9;}

.sidebar-nav a.active{
  background:rgba(212,175,55,.14);
  color:var(--gold);
  font-weight:600;
}
.sidebar-nav a.active i{opacity:1;color:var(--gold);}

.nav-item{margin-bottom:1px;}
.nav-link-dropdown .drop-icon{margin-left:auto;font-size:.58rem;transition:transform .2s;}
.nav-link-dropdown.active{background:rgba(212,175,55,.12);color:var(--gold);font-weight:600;}
.nav-link-dropdown.active .drop-icon{transform:rotate(180deg);}

.nav-submenu{display:none;flex-direction:column;padding-left:26px;margin:2px 0 4px;}
.nav-submenu.show{display:flex;}
.nav-submenu a{
  color:rgba(255,255,255,.45);
  font-size:.7rem;
  padding:5px 10px;
  border-left:2px solid rgba(255,255,255,.08);
  border-radius:0 4px 4px 0;
  margin-bottom:1px;
}
.nav-submenu a:hover{color:#fff;border-left-color:var(--gold);background:rgba(255,255,255,.03);}
.nav-submenu a.active{color:var(--gold);border-left-color:var(--gold);background:rgba(212,175,55,.06);}

.sidebar-back-btn{
  background:rgba(255,255,255,.05)!important;
  border:1px solid rgba(255,255,255,.08)!important;
  margin-bottom:8px!important;
  color:rgba(255,255,255,.8)!important;
  font-size:.72rem!important;
}
.sidebar-back-btn:hover{background:rgba(255,255,255,.1)!important;color:#fff!important;}

/* ═══════════════════════════════════════════
   MAIN AREA
   ═══════════════════════════════════════════ */
.main{flex:1;display:flex;flex-direction:column;min-width:0;}

/* ═══════════════════════════════════════════
   HEADER — Enterprise Top Bar
   ═══════════════════════════════════════════ */
.top-header{
  height:var(--header-h);
  background:var(--white);
  border-bottom:2px solid var(--navy);
  padding:0 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:sticky;
  top:0;
  z-index:200;
  box-shadow:var(--shadow-sm);
}

/* Header left breadcrumb style */
.top-header-left{display:flex;align-items:center;gap:20px;}

/* Vertical rule separator */
.top-header-left::after{
  content:'';
  display:block;
  width:1px;
  height:24px;
  background:var(--border);
}

/* Search */
.top-search{position:relative;width:280px;}
.top-search i{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  color:var(--text-muted);font-size:.78rem;
}
.top-search input{
  width:100%;
  background:#f9fafb;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:8px 14px 8px 36px;
  font-size:.78rem;
  color:var(--text-primary);
  font-family:'Inter',sans-serif;
  transition:var(--transition);
}
.top-search input:focus{
  outline:none;
  background:var(--white);
  border-color:var(--navy);
  box-shadow:0 0 0 3px rgba(12,43,78,.08);
}

.search-results{
  position:absolute;top:calc(100% + 6px);left:0;width:100%;
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);
  max-height:340px;overflow-y:auto;z-index:1000;display:none;
}
.search-results a{
  display:block;padding:11px 16px;text-decoration:none;
  color:var(--text-primary);font-size:.78rem;
  border-bottom:1px solid #f1f5f9;transition:var(--transition);
}
.search-results a:last-child{border-bottom:none;}
.search-results a:hover{background:#f8fafc;color:var(--navy);padding-left:20px;}
.search-results a strong{display:block;font-weight:600;margin-bottom:2px;}
.search-results a small{color:var(--text-muted);font-size:.68rem;}
.search-results .no-results{padding:14px;color:var(--text-muted);font-size:.78rem;text-align:center;}

/* Header Right */
.top-header-right{display:flex;align-items:center;gap:10px;}

/* Company branding in header */
.header-brand-tag{
  font-size:.65rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:1.2px;
  color:var(--text-muted);
  border-right:1px solid var(--border);
  padding-right:16px;
  margin-right:4px;
  white-space:nowrap;
}

.btn-header-outline{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--border);
  background:var(--white);
  color:var(--text-secondary);
  padding:7px 14px;
  border-radius:var(--radius-sm);
  font-size:.75rem;font-weight:600;
  transition:var(--transition);text-decoration:none;
  letter-spacing:.2px;
}
.btn-header-outline:hover{
  background:#f8fafc;color:var(--navy);border-color:#cbd5e1;
}

.btn-header-primary{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--navy);
  color:#fff;
  padding:7px 16px;
  border-radius:var(--radius-sm);
  font-size:.75rem;font-weight:600;
  transition:var(--transition);text-decoration:none;
  letter-spacing:.2px;
  box-shadow:0 1px 4px rgba(12,43,78,.2);
}
.btn-header-primary:hover{
  background:var(--gold);color:var(--navy);
  box-shadow:0 3px 10px rgba(212,175,55,.25);
}

.mobile-hamburger-inline{
  display:none;align-items:center;justify-content:center;
  width:36px;height:36px;background:transparent;border:none;
  font-size:1.2rem;color:var(--navy);cursor:pointer;
  border-radius:var(--radius-sm);transition:var(--transition);
}
.mobile-hamburger-inline:hover{background:#f1f5f9;}

/* ═══════════════════════════════════════════
   CONTENT
   ═══════════════════════════════════════════ */
.main-content-wrapper{padding:28px 40px 48px;flex:1;}

/* ── Page Header Band ─────────────────────── */
.card-doc{
  background:var(--white);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:36px 40px;
  margin-bottom:24px;
  border:1px solid var(--border);
}

/* Top accent line */
.card-doc::before{
  content:'';
  display:block;
  width:48px;height:3px;
  background:linear-gradient(90deg,var(--gold),#e8c44a);
  border-radius:2px;
  margin-bottom:18px;
}

.card-doc h1{
  font-family:'Plus Jakarta Sans',sans-serif;
  color:var(--navy);
  font-size:1.55rem;
  font-weight:800;
  margin-bottom:6px;
  letter-spacing:-.4px;
}

.card-doc .sub{
  color:var(--text-secondary);
  font-size:.83rem;
  line-height:1.7;
  margin-bottom:28px;
  border-bottom:1px solid var(--border);
  padding-bottom:22px;
}

.card-doc h2{
  font-family:'Plus Jakarta Sans',sans-serif;
  color:var(--navy);
  font-size:1.05rem;
  font-weight:700;
  margin-top:32px;
  margin-bottom:12px;
  padding-bottom:8px;
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  gap:8px;
}
.card-doc h2::before{
  content:'';
  display:inline-block;
  width:4px;height:16px;
  background:var(--gold);
  border-radius:2px;
  flex-shrink:0;
}

.card-doc h3{
  color:var(--navy-mid);
  font-size:.9rem;
  font-weight:700;
  margin-top:20px;
  margin-bottom:8px;
  letter-spacing:.1px;
}

.card-doc p{color:var(--text-secondary);line-height:1.8;font-size:.83rem;margin-bottom:10px;}
.card-doc ul{padding-left:0;margin-bottom:12px;list-style:none;}
.card-doc li{
  color:var(--text-secondary);
  font-size:.82rem;
  line-height:1.75;
  margin-bottom:6px;
  padding-left:18px;
  position:relative;
}
.card-doc li::before{
  content:'›';
  position:absolute;left:0;
  color:var(--gold);
  font-weight:700;
  font-size:1rem;
  line-height:1.5;
}

/* ── Benefit Box ──────────────────────────── */
.benefit{
  display:flex;align-items:flex-start;gap:14px;
  padding:14px 18px;
  background:linear-gradient(135deg,#f0fdf4,#ecfdf5);
  border:1px solid #bbf7d0;
  border-left:4px solid #16a34a;
  border-radius:var(--radius-md);
  margin:14px 0;
}
.benefit i{color:#16a34a;font-size:.95rem;margin-top:2px;flex-shrink:0;}
.benefit p{margin:0;font-size:.81rem;color:#166534;line-height:1.65;}
.benefit strong{color:#14532d;}

/* ── Feature Grid ─────────────────────────── */
.feature-grid,.portal-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(210px,1fr));
  gap:14px;margin:16px 0;
}

.f-card,.p-card{
  background:#fafbfc;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:18px;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.f-card::after,.p-card::after{
  content:'';
  position:absolute;bottom:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--gold),transparent);
  opacity:0;
  transition:var(--transition);
}
.f-card:hover,.p-card:hover{
  border-color:#c7d2e0;
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
  background:var(--white);
}
.f-card:hover::after,.p-card:hover::after{opacity:1;}
.f-card h4,.p-card h4{
  font-size:.79rem;font-weight:700;
  color:var(--navy);margin-bottom:6px;
  display:flex;align-items:center;gap:8px;
}
.f-card p,.p-card p{font-size:.72rem;color:var(--text-muted);line-height:1.55;margin:0;}

/* ── Highlight Box ────────────────────────── */
.highlight-box{
  padding:14px 18px;
  background:#eff6ff;
  border-left:4px solid var(--navy);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  margin:16px 0;
}
.highlight-box p{margin:0;font-size:.81rem;color:#1e40af;line-height:1.6;}

/* ── Tables ───────────────────────────────── */
.card-doc table{
  width:100%;border-collapse:collapse;
  font-size:.8rem;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
}
.card-doc thead tr{background:var(--navy);color:#fff;}
.card-doc thead th{padding:10px 14px;font-weight:600;font-size:.75rem;text-align:left;letter-spacing:.3px;}
.card-doc tbody tr{border-bottom:1px solid #f0f2f5;transition:var(--transition);}
.card-doc tbody tr:last-child{border-bottom:none;}
.card-doc tbody tr:hover{background:#f8fafc;}
.card-doc tbody td{padding:9px 14px;color:var(--text-secondary);vertical-align:top;}

/* ── Mermaid diagrams ─────────────────────── */
.card-doc pre.mermaid{
  background:#f8fafc;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:20px;
  margin:18px 0;
  overflow:auto;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.docs-footer{
  background:var(--navy);
  color:rgba(255,255,255,.65);
  padding:44px 48px 24px;
  flex-shrink:0;
}

.footer-container{max-width:1200px;margin:0 auto;}

.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;margin-bottom:40px;
}

.footer-logo{
  display:flex;align-items:center;gap:12px;
  margin-bottom:14px;
  font-family:'Plus Jakarta Sans',sans-serif;
  font-size:1rem;font-weight:800;color:#fff;
}
.footer-logo .logo-icon{
  width:30px;height:30px;
  background:linear-gradient(135deg,var(--gold),#e8c44a);
  border-radius:7px;display:flex;align-items:center;justify-content:center;
  font-size:.8rem;color:var(--navy);
}

.footer-col p{font-size:.77rem;line-height:1.75;color:rgba(255,255,255,.45);margin-bottom:20px;}

.footer-social{display:flex;gap:10px;}
.footer-social a{
  display:flex;align-items:center;justify-content:center;
  width:32px;height:32px;background:rgba(255,255,255,.07);
  border-radius:50%;color:rgba(255,255,255,.5);
  text-decoration:none;transition:var(--transition);font-size:.78rem;
}
.footer-social a:hover{background:var(--gold);color:var(--navy);}

.footer-col h4{
  color:#fff;font-size:.75rem;font-weight:700;
  margin-bottom:16px;text-transform:uppercase;letter-spacing:1.2px;
}
.footer-col a{
  display:block;color:rgba(255,255,255,.45);
  text-decoration:none;font-size:.77rem;margin-bottom:10px;transition:var(--transition);
}
.footer-col a:hover{color:var(--gold);padding-left:4px;}

.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  font-size:.7rem;color:rgba(255,255,255,.3);
  flex-wrap:wrap;gap:12px;
}
.footer-status{display:flex;align-items:center;gap:7px;}
.footer-status i{color:#10b981;}

/* ═══════════════════════════════════════════
   OVERLAY & MOBILE
   ═══════════════════════════════════════════ */
.sidebar-overlay{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,.45);z-index:999;backdrop-filter:blur(3px);
}
.sidebar-overlay.show{display:block;}

/* ═══════════════════════════════════════════
   MOBILE — Optimized
   ═══════════════════════════════════════════ */

@media(max-width:1024px){
  .main-content-wrapper{padding:20px 24px 36px;}
  .top-header{padding:0 24px;}
}

@media(max-width:768px){
  /* Show hamburger */
  .mobile-hamburger-inline{
    display:flex;
    width:40px;height:40px;
    font-size:1.1rem;
  }

  /* Body scroll lock handled by JS */
  body{overflow:auto;}

  /* Sidebar slides in from left */
  .sidebar{
    position:fixed;
    top:0;left:0;
    width:288px;
    height:100vh;
    z-index:1050;
    transform:translateX(-100%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);
    box-shadow:none;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .sidebar.open{
    transform:translateX(0);
    box-shadow:6px 0 28px rgba(0,0,0,.22);
  }

  /* Overlay */
  .sidebar-overlay{
    display:none;
    position:fixed;inset:0;
    background:rgba(0,0,0,.48);
    z-index:1049;
    backdrop-filter:blur(3px);
    -webkit-backdrop-filter:blur(3px);
    transition:opacity .25s;
  }
  .sidebar-overlay.show{display:block;}

  /* Header on mobile */
  .top-header{
    padding:0 14px;
    height:54px;
    border-bottom-width:2px;
  }
  .top-header-left{gap:10px;}

  /* Bigger touch targets for nav links in sidebar */
  .sidebar-nav a,
  .nav-link-dropdown{
    padding:11px 12px;
    font-size:.8rem;
    min-height:44px; /* WCAG touch target */
  }

  .nav-submenu a{
    padding:10px 12px;
    min-height:40px;
    font-size:.76rem;
    display:flex;
    align-items:center;
  }

  /* Submenu left indent on mobile */
  .nav-submenu{
    padding-left:20px;
    margin:4px 0 6px;
  }
  .nav-submenu.show{
    animation:slideDown .2s ease;
  }
  @keyframes slideDown{
    from{opacity:0;transform:translateY(-6px);}
    to{opacity:1;transform:translateY(0);}
  }

  /* Search bar on mobile */
  .top-search{width:auto;flex:1;max-width:220px;}
  .top-search input{
    font-size:.78rem;
    padding:7px 12px 7px 34px;
  }

  /* Hide header right items on mobile */
  .top-header-right .btn-header-outline,
  .header-brand-tag{display:none;}

  /* Content padding */
  .main-content-wrapper{padding:16px 14px 28px;}

  /* Cards */
  .card-doc{padding:20px 16px;border-radius:10px;}
  .card-doc::before{width:32px;margin-bottom:12px;}
  .card-doc h1{font-size:1.2rem;}
  .card-doc h2{font-size:.92rem;margin-top:22px;}
  .card-doc h3{font-size:.84rem;}
  .card-doc p,.card-doc li{font-size:.8rem;}

  /* Feature grids */
  .feature-grid,.portal-grid{grid-template-columns:1fr 1fr;gap:10px;}

  /* Benefit box */
  .benefit{padding:10px 12px;gap:10px;}
  .benefit p{font-size:.78rem;}

  /* Tables scroll */
  .card-doc table,
  table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;font-size:.74rem;white-space:nowrap;}

  /* Footer */
  .docs-footer{padding:28px 16px 20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .footer-col p{font-size:.73rem;}
}

@media(max-width:480px){
  .feature-grid,.portal-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;gap:8px;}
  .top-search{max-width:180px;}
  .card-doc{padding:16px 12px;}
  .card-doc h1{font-size:1.1rem;}
}