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

:root {
  /* Light Theme Variables - Clean & Trustworthy */
  --bg-color: #F4F6F8; /* slightly deeper to show off glass */
  --bg-secondary: rgba(255, 255, 255, 0.35); /* reduced white opacity */
  --bg-sidebar: rgba(255, 255, 255, 0.25);
  --text-primary: #0F172A;
  --text-secondary: #64748B;
  --accent-color: #4F46E5;
  --accent-hover: #3730A3;
  --accent-glow: rgba(79, 70, 229, 0.2);
  --card-shadow: 0 8px 32px rgba(31, 38, 135, 0.06);
  --border-color: rgba(255, 255, 255, 0.6);
  --glass-bg: rgba(255, 255, 255, 0.3);
  --success-color: #10B981;
  --danger-color: #EF4444;
  --orb-1: rgba(139, 92, 246, 0.18); /* more vibrant purple */
  --orb-2: rgba(56, 189, 248, 0.22); /* more vibrant blue */
  --grid-line: rgba(0, 0, 0, 0.05); /* slightly more visible grid */
}

[data-theme="dark"] {
  /* Dark Theme Variables - Premium Cyber-Minimalism */
  --bg-color: #09090B;
  --bg-secondary: rgba(255, 255, 255, 0.04);
  --bg-sidebar: rgba(9, 9, 11, 0.5);
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --accent-color: #8B5CF6;
  --accent-hover: #7C3AED;
  --accent-glow: rgba(139, 92, 246, 0.4);
  --card-shadow: 0 10px 20px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
  --border-color: #27272A;
  --glass-bg: rgba(9, 9, 11, 0.7);
  --success-color: #10B981;
  --danger-color: #EF4444;
  --orb-1: rgba(139, 92, 246, 0.15); /* Purple glow */
  --orb-2: rgba(34, 211, 238, 0.12); /* Cyan glow */
  --grid-line: rgba(255, 255, 255, 0.04);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  transition: background-color 0.4s ease, color 0.4s ease;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Base Effects: Netra AI Live Animated Theme */
body::before {
  content: '';
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 120vw; height: 120vh;
  z-index: -2;
  background: 
      radial-gradient(ellipse at center, var(--orb-1) 0%, transparent 60%),
      radial-gradient(circle at 80% 80%, var(--orb-2) 0%, transparent 50%),
      radial-gradient(circle at 20% 20%, var(--orb-2) 0%, transparent 50%);
  pointer-events: none;
  animation: glowPulse 6s infinite alternate ease-in-out;
}

@keyframes glowPulse {
    0% {
        opacity: 0.5;
        filter: blur(80px);
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 1;
        filter: blur(100px);
        transform: translate(-50%, -50%) scale(1.1);
    }
}

body::after {
  content: '';
  position: fixed;
  width: 200vw;
  height: 200vh;
  top: -50%;
  left: -50%;
  z-index: -1;
  background-image: 
      linear-gradient(var(--grid-line) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 50px 50px;
  transform: perspective(600px) rotateX(60deg) translateY(-100px);
  animation: gridMove 20s linear infinite;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}

@keyframes gridMove {
  0% { transform: perspective(600px) rotateX(60deg) translateY(0); }
  100% { transform: perspective(600px) rotateX(60deg) translateY(50px); }
}

h1, h2, h3, h4, h5 {
  font-family: 'Outfit', sans-serif;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(to right, var(--accent-color), #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.5px;
}

.nav-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn {
  padding: 0.6rem 1.25rem;
  border-radius: 0.5rem;
  border: none;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: #ffffff;
  box-shadow: 0 4px 15px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--border-color);
  transform: translateY(-1px);
}

select.control-select {
  padding: 0.6rem 1rem 0.6rem 2.2rem; /* Added padding on the left to leave room for the absolute icon */
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  pointer-events: auto;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  outline: none;
}
/* Crucial fix for OS level option dropdown rendering natively */
select.control-select option {
  background-color: var(--bg-color); 
  color: var(--text-primary);
}

/* Layout */
.app-layout {
  display: flex;
  max-width: 1600px;
  margin: 0 auto;
  align-items: flex-start;
}

/* Sidebar */
.sidebar {
  width: 280px;
  min-width: 280px;
  height: calc(100vh - 75px);
  position: sticky;
  top: 75px;
  padding: 1.5rem 1rem;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), min-width 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}

.sidebar.collapsed {
  width: 80px;
  min-width: 80px;
  padding: 1.5rem 0.5rem;
}

.sidebar-header-toggle {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; padding: 0 0.5rem;
}
.sidebar.collapsed .sidebar-header-toggle {
  justify-content: center;
}
.sidebar.collapsed .sidebar-header-toggle .cat-title {
  display: none;
}
.sidebar-toggle-btn {
  background: transparent; border: none; color: var(--text-secondary); cursor: pointer; padding: 0.5rem; border-radius: 0.5rem; transition: 0.2s; font-size: 1.25rem; display: flex; align-items: center; justify-content: center;
}
.sidebar-toggle-btn:hover { background: var(--bg-color); color: var(--text-primary); }

.sidebar::-webkit-scrollbar { width: 5px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }

.cat-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
}
.cat-menu { list-style: none; display: flex; flex-direction: column; gap: 0.3rem; }

.cat-btn {
  width: 100%; text-align: left; background: transparent; border: none;
  color: var(--text-secondary); padding: 0.75rem 1rem; border-radius: 0.5rem;
  font-weight: 500; font-family: 'Inter', sans-serif; cursor: pointer;
  transition: all 0.2s ease; display: flex; align-items: center; gap: 0.75rem; justify-content: space-between;
}
.cat-btn i { font-size: 1.25rem; }
.cat-btn:hover { background: var(--border-color); color: var(--text-primary); }
.cat-btn.active {
  background: var(--accent-glow); color: var(--accent-color);
  font-weight: 600; border-left: 3px solid var(--accent-color);
}
.cat-btn.active i { font-weight: 600; } 

.sidebar.collapsed .cat-btn { justify-content: center; padding: 0.75rem 0; }
.sidebar.collapsed .cat-btn div { gap: 0 !important; justify-content: center; }
.sidebar.collapsed .cat-btn span, 
.sidebar.collapsed .cat-btn > i { display: none; }
.sidebar.collapsed .sub-menu { display: none; }

.sub-menu {
  list-style: none; padding-left: 2rem; margin-top: 0.2rem;
  display: flex; flex-direction: column; gap: 0.2rem;
  border-left: 1px solid var(--border-color); margin-left: 1.5rem;
}
.sub-item-btn {
  width: 100%; text-align: left; background: transparent; border: none;
  color: var(--text-secondary); padding: 0.5rem 1rem; border-radius: 0.5rem;
  font-size: 0.85rem; cursor: pointer; transition: all 0.2s ease;
}
.sub-item-btn:hover { color: var(--text-primary); background: rgba(139,92,246,0.05); }
.sub-item-btn.active { color: var(--accent-color); font-weight: 600; }

/* Main Content */
.main-content {
  flex-grow: 1; padding: 1rem 2rem 2rem 2rem; min-width: 0; width: 100%;
}
.main-container-full {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem 2rem 2rem;
}

.hero { margin-top: 0; margin-bottom: 2rem; text-align: center; }
.hero h1 {
  font-size: 2.6rem; font-weight: 800; margin-top: 0; margin-bottom: 0.15rem;
  background: linear-gradient(135deg, var(--accent-color), #ec4899);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: -1px;
}
.hero p { font-size: 1.05rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

/* Tools Grid */
.tools-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.25rem;
}

.tool-card {
  background: var(--bg-secondary); border-radius: 1rem; padding: 1.25rem;
  box-shadow: var(--card-shadow); border: 1px solid var(--border-color);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative; display: flex; flex-direction: column; cursor: pointer;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.tool-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.2), 0 0 15px var(--accent-glow);
  border-color: var(--accent-color);
}
.tool-card.selected-card {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-color), 0 10px 25px var(--accent-glow);
}

.tool-header { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.tool-icon {
  width: 50px; height: 50px; border-radius: 0.75rem; background: var(--bg-color);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
  border: 1px solid var(--border-color);
}
.tool-title { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.25rem;}
.tool-badges { display: flex; gap: 0.5rem; font-size: 0.7rem; }
.badge { padding: 0.2rem 0.5rem; border-radius: 4px; background: var(--bg-color); border: 1px solid var(--border-color); color: var(--text-secondary); }

.tool-desc { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem; flex-grow: 1; }

.tool-actions { display: flex; gap: 0.5rem; align-items: center; justify-content: space-between; margin-top: auto; border-top: 1px solid var(--border-color); padding-top: 0.75rem;}
.visit-btn {
  flex-grow: 1; text-align: center; background: transparent; border: 1px solid var(--accent-color); color: var(--accent-color);
  padding: 0.5rem; border-radius: 0.5rem; font-weight: 600; text-decoration: none; transition: 0.2s;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
}
.visit-btn:hover { background: var(--accent-color); color: white; }

/* Custom Checkbox */
.compare-add-btn {
  background: var(--bg-color); border: 1px solid var(--border-color); color: var(--text-secondary);
  border-radius: 0.5rem; padding: 0.5rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: 0.2s;
}
.compare-add-btn.added {
  background: var(--accent-color); border-color: var(--accent-color); color: white;
}
.compare-add-btn:hover:not(.added) { background: var(--border-color); }

/* Compare Banner */
.compare-banner {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--glass-bg); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid rgba(255,255,255,0.1); padding: 1.25rem 3rem;
  display: flex; justify-content: space-between; align-items: center;
  box-shadow: 0 -10px 40px -10px rgba(0, 0, 0, 0.5);
  transform: translateY(100%); transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); z-index: 50; font-size: 1rem;
}
.compare-banner.visible { transform: translateY(0); }

/* Tool Detail Page */
.detail-hero { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border-color); flex-wrap: wrap; gap: 1.5rem; }
.detail-hero-left { display: flex; gap: 1.25rem; align-items: center; }
.detail-icon { width: 70px; height: 70px; background: var(--bg-secondary); border-radius: 1.25rem; display: flex; align-items: center; justify-content: center; font-size: 2.2rem; border: 1px solid var(--border-color); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.detail-title { font-size: 2.2rem; margin-bottom: 0.25rem; font-weight: 800; }
.detail-desc { color: var(--text-secondary); font-size: 1rem; }
.detail-badges { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.detail-hero-right { display: flex; gap: 0.75rem; }

/* Tabs */
.tabs-container { margin-bottom: 1.5rem; }
.tabs-header { display: flex; gap: 1rem; border-bottom: 1px solid var(--border-color); margin-bottom: 1.5rem; overflow-x: auto; }
.tab-btn { background: transparent; border: none; color: var(--text-secondary); font-size: 1rem; font-weight: 600; padding: 0.75rem 1.5rem; border-bottom: 2px solid transparent; cursor: pointer; transition: 0.2s; white-space: nowrap;}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent-color); border-bottom-color: var(--accent-color); }

.tab-pane { display: none; animation: fadeIn 0.3s ease; }
.tab-pane.active { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* Grid Sections */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }

.content-card { 
  background: var(--bg-secondary); padding: 1.25rem; border-radius: 1rem; border: 1px solid var(--border-color); box-shadow: var(--card-shadow); 
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.content-card h3 { margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.5rem; font-size: 1.15rem; }

.list-item { display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.5rem; color: var(--text-secondary); font-size: 0.95rem; }
.list-item>i { margin-top: 0.25rem; }
.list-item.pro>i { color: var(--success-color); }
.list-item.con>i { color: var(--danger-color); }

.expert-score { background: linear-gradient(135deg, var(--accent-color), #ec4899); border-radius: 1rem; padding: 1.5rem; color: white; text-align: center; margin-top: 2.5rem; }

/* Compare Table overrides */
.compare-table-wrapper { 
  border-radius: 1rem; overflow: hidden; border: 1px solid var(--border-color); background: var(--bg-secondary); 
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th, .compare-table td { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-color); border-right: 1px solid var(--border-color); text-align: left; }
.compare-table th:last-child, .compare-table td:last-child { border-right: none; }
.compare-table th { background: var(--bg-color); font-weight: 600; }
.compare-table tr:last-child td { border-bottom: none; }
.winner-badge { display: inline-flex; align-items: center; gap: 0.25rem; background: rgba(16, 185, 129, 0.1); color: var(--success-color); padding: 0.25rem 0.5rem; border-radius: 1rem; font-size: 0.75rem; font-weight: 700; border: 1px solid var(--success-color); }
.col-highlight { background: rgba(139, 92, 246, 0.03); }

/* Responsive */
@media (max-width: 1024px) {
  .app-layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; border-right: none; border-bottom: 1px solid var(--border-color); position: relative; top: 0; padding: 1rem; }
  .main-content { padding: 1.5rem; width: 100%; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}