/* =============================================
   Icarus Security Hub — Theme & Variable Config
   Emerald Accent / Custom Fonts
   ============================================= */

/* ---------- CSS Theme Variables ---------- */
:root {
  /* Default Light Mode */
  --body-bg:                 #eef2f6;
  --body-color:              #334155;
  --heading-color:           #0f172a;
  
  --topbar-bg:               rgba(248, 250, 252, 0.92);
  --topbar-sticky-bg:        rgba(241, 245, 249, 0.97);
  --border-color:            #dde4ed;
  --card-bg:                 #f8fafc;
  
  --text-muted:              #64748b;
  --accent-color:            #059669; /* darker emerald for readable contrast in light mode */
  --accent-hover:            #047857;
  --accent-dim:              rgba(5, 150, 105, 0.08);
  --accent-glow:             rgba(5, 150, 105, 0.2);
  
  --hero-bg-gradient:        linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  --scrollbar-track:         #f1f5f9;
  --scrollbar-thumb:         #cbd5e1;
  --footer-bg:               #0f172a;
  --footer-text:             #94a3b8;
}

/* Dark Mode Overrides */
[data-dark-mode],
html[data-dark-mode] {
  --body-bg:                 #181d24;
  --body-color:              #c8d3e0;
  --heading-color:           #e2e8f0;
  
  --topbar-bg:               rgba(24, 29, 36, 0.85);
  --topbar-sticky-bg:        rgba(20, 25, 33, 0.97);
  --border-color:            #2e3a4a;
  --card-bg:                 #1f2633;
  
  --text-muted:              #8892a4;
  --accent-color:            #10b981; /* bright emerald */
  --accent-hover:            #34d399;
  --accent-dim:              rgba(16, 185, 129, 0.12);
  --accent-glow:             rgba(16, 185, 129, 0.25);
  
  --hero-bg-gradient:        linear-gradient(135deg, #181d24 0%, #1a2336 60%, #182a24 100%);
  --scrollbar-track:         #181d24;
  --scrollbar-thumb:         #2e3a4a;
  --footer-bg:               #141820;
  --footer-text:             #6b7a8d;
}

/* ---------- Global Layout Customizations ---------- */
body {
  background-color: var(--body-bg) !important;
  color: var(--body-color) !important;
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif !important;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif !important;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--heading-color) !important;
}

/* ---------- Topnav & Menu ---------- */
#topnav {
  background-color: var(--topbar-bg) !important;
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border-bottom: 1px solid var(--border-color) !important;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

#topnav.scroll,
#topnav.nav-sticky {
  background-color: var(--topbar-sticky-bg) !important;
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.15) !important;
}
[data-dark-mode] #topnav.scroll,
[data-dark-mode] #topnav.nav-sticky {
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.45) !important;
}

/* Nav links */
#topnav .navigation-menu > li > a {
  color: var(--text-muted) !important;
  font-weight: 500;
  letter-spacing: 0.02em;
  font-size: 0.875rem !important;
  transition: color 0.2s ease;
}

#topnav .navigation-menu > li:hover > a,
#topnav .navigation-menu > li.active > a {
  color: var(--accent-color) !important;
}

/* Mobile dropdown nav panel */
@media (max-width: 991px) {
  #topnav {
    background-color: var(--topbar-bg) !important;
  }

  #navigation,
  #navigation.open {
    background-color: var(--topbar-sticky-bg) !important;
    border-top-color: var(--border-color) !important;
    border-bottom-color: var(--border-color) !important;
  }

  #topnav .navigation-menu > li > a {
    color: var(--text-muted) !important;
  }

  #topnav .navigation-menu > li > a:hover,
  #topnav .navigation-menu > li.active > a {
    color: var(--accent-color) !important;
    background-color: var(--accent-dim) !important;
  }
}

/* Logo text */
#topnav .logo,
.logo {
  color: var(--heading-color) !important;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

/* Keep inline logo SVGs sized correctly (custom logos often ship huge width/height attrs) */
#topnav .logo svg,
.sidebar-wrapper .sidebar-brand > a svg,
.top-header .logo-icon svg {
  height: 26px !important;
  width: auto !important;
  max-width: 160px;
  display: block;
}

#topnav .logo .small svg,
#topnav .logo .big svg {
  height: 31px !important;
}

.top-header .logo-icon .small svg {
  height: 22px !important;
}

.sidebar-wrapper .sidebar-brand > a {
  display: inline-flex;
  align-items: center;
}

/* ---------- Top Header on Docs Page ---------- */
.top-header,
.top-header .header-bar {
  background-color: var(--topbar-bg) !important;
  border-bottom: 1px solid var(--border-color) !important;
}
.sidebar-wrapper {
  background-color: var(--sidebar-bg) !important;
  border-right: 1px solid var(--border-color) !important;
}
.sidebar-wrapper .sidebar-content {
  background-color: var(--sidebar-bg) !important;
  border-right: 1px solid var(--border-color) !important;
}
.sidebar-wrapper .sidebar-brand {
  background-color: var(--sidebar-bg) !important;
  border-bottom: 1px solid var(--border-color) !important;
}

/* ---------- Page / Section Backgrounds ---------- */
section {
  background-color: transparent;
}

#content {
  background-color: transparent !important;
}

/* ---------- Hero Section ---------- */
.hero {
  background: var(--hero-bg-gradient) !important;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(16, 185, 129, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 20% 80%, rgba(16, 185, 129, 0.02) 0%, transparent 70%);
  pointer-events: none;
}

/* Hero title */
.hero .title,
.hero h1 {
  color: var(--heading-color) !important;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Hero subtitle / text */
.hero p,
.hero .subtitle {
  color: var(--text-muted) !important;
}

/* ---------- Badges / Pills ---------- */
.badge.bg-dark,
.badge-dark {
  background: var(--accent-dim) !important;
  color: var(--accent-color) !important;
  border: 1px solid var(--accent-glow) !important;
  font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
  font-size: 0.7em;
  letter-spacing: 0.05em;
}

/* ---------- Buttons ---------- */
.btn-primary,
.btn-soft-primary {
  background-color: var(--accent-color) !important;
  border-color: var(--accent-color) !important;
  color: #fff !important;
}
.btn-primary:hover,
.btn-soft-primary:hover {
  background-color: var(--accent-hover) !important;
  border-color: var(--accent-hover) !important;
  box-shadow: 0 4px 20px var(--accent-glow) !important;
}

.btn-outline-primary {
  color: var(--accent-color) !important;
  border-color: var(--accent-color) !important;
  background: transparent !important;
}
.btn-outline-primary:hover {
  background: var(--accent-color) !important;
  color: #fff !important;
}

.btn-soft-light {
  background: var(--accent-dim) !important;
  border-color: var(--border-color) !important;
  color: var(--text-muted) !important;
  box-shadow: none !important;
}
.btn-soft-light:hover,
.btn-soft-light:focus,
.btn-soft-light:active {
  background: var(--accent-dim) !important;
  border-color: var(--accent-glow) !important;
  color: var(--accent-color) !important;
}

/* Mobile hamburger toggle — match emerald theme + light/dark mode */
#topnav .menu-extras .navbar-toggle.btn-soft-light {
  background: transparent !important;
  border-color: transparent !important;
  color: var(--text-muted) !important;
}

#topnav .menu-extras .navbar-toggle.btn-soft-light:hover,
#topnav .menu-extras .navbar-toggle.btn-soft-light:focus {
  background: var(--accent-dim) !important;
  border-color: transparent !important;
  color: var(--accent-color) !important;
}

#topnav .navbar-toggle span {
  background-color: var(--heading-color) !important;
  transition: background-color 0.2s ease, transform 0.5s ease;
}

#topnav .navbar-toggle:hover span,
#topnav .navbar-toggle:focus span,
#topnav .navbar-toggle.open span:hover {
  background-color: var(--accent-color) !important;
}

/* ---------- Links ---------- */
a {
  color: var(--accent-color);
  transition: color 0.15s ease;
}
a:hover {
  color: var(--accent-hover) !important;
}

/* ---------- Cards / Feature Boxes ---------- */
.card,
.features {
  background: var(--card-bg) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 12px !important;
  color: var(--body-color) !important;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover,
.features:hover {
  border-color: var(--accent-glow) !important;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--accent-glow) !important;
}
[data-dark-mode] .card:hover,
[data-dark-mode] .features:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--accent-glow) !important;
}

.card-title,
.card h5,
.card h4 {
  color: var(--heading-color) !important;
}

.card-text,
.card p {
  color: var(--text-muted) !important;
}

/* ---------- Text Colors ---------- */
.text-primary {
  color: var(--accent-color) !important;
}
.text-muted {
  color: var(--text-muted) !important;
}

/* ---------- Footer ---------- */
footer {
  background-color: var(--footer-bg) !important;
  border-top: 1px solid var(--border-color) !important;
  color: var(--footer-text) !important;
}
footer a {
  color: var(--footer-text) !important;
}
footer a:hover {
  color: var(--accent-color) !important;
}

/* ---------- Selection ---------- */
::selection {
  background: var(--accent-glow);
  color: var(--heading-color);
}

/* ---------- Scrollbar (WebKit) ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-color); }