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

:root {
  /* Font Families */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Light Theme Variables */
  --bg-app: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --border-color: rgba(226, 232, 240, 0.8);
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-inverse: #ffffff;
  
  /* Primary & Accent Colors */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-glow: rgba(79, 70, 229, 0.15);
  --accent: #06b6d4;
  --accent-hover: #0891b2;
  
  /* Inputs */
  --bg-input: #ffffff;
  --border-input: #e2e8f0;
  --border-input-focus: #4f46e5;
  
  /* Shadows */
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.02);
  --shadow-glow: 0 0 25px rgba(79, 70, 229, 0.1);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* Transitions */
  --transition-speed: 0.3s;
  --transition-cubic: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables */
.dark {
  --bg-app: #090d16;
  --bg-card: rgba(17, 24, 39, 0.65);
  --bg-card-hover: rgba(17, 24, 39, 0.85);
  --border-color: rgba(255, 255, 255, 0.06);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.25);
  --accent: #22d3ee;
  --accent-hover: #06b6d4;
  
  --bg-input: rgba(15, 23, 42, 0.6);
  --border-input: rgba(255, 255, 255, 0.1);
  --border-input-focus: #6366f1;
  
  --shadow-premium: 0 15px 35px -12px rgba(0, 0, 0, 0.5), 0 2px 5px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.15);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.4);
}

/* Global Styles & Resets */
body {
  font-family: var(--font-body);
  background-color: var(--bg-app);
  color: var(--text-main);
  transition: background-color var(--transition-speed) var(--transition-cubic), 
              color var(--transition-speed) var(--transition-cubic);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-input);
  border-radius: 9999px;
  border: 2px solid transparent;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Glassmorphism Panels */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-premium);
  transition: background-color var(--transition-speed) var(--transition-cubic),
              border-color var(--transition-speed) var(--transition-cubic),
              box-shadow var(--transition-speed) var(--transition-cubic);
}

.glass-panel:hover {
  background: var(--bg-card-hover);
}

.glass-input {
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  color: var(--text-main);
  transition: all 0.2s var(--transition-cubic);
}

.glass-input:focus {
  border-color: var(--border-input-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
  outline: none;
}

/* Color Picker UI Overrides */
input[type="color"] {
  -webkit-appearance: none;
  border: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  cursor: pointer;
  background: transparent;
  padding: 0;
  box-shadow: var(--shadow-premium);
  transition: transform 0.2s var(--transition-cubic);
}

input[type="color"]:hover {
  transform: scale(1.08);
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

input[type="color"]::-webkit-color-swatch {
  border: 2px solid var(--border-color);
  border-radius: 10px;
}

/* Custom Range Slider Styling */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--border-input);
  border-radius: 9999px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  transition: transform 0.1s var(--transition-cubic), background-color 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: var(--primary-hover);
}

/* QR Code Container Animations */
.qr-preview-wrapper {
  background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
  background-size: 20px 20px;
  position: relative;
  overflow: hidden;
}

.qr-glow {
  box-shadow: var(--shadow-glow);
  border: 1px solid var(--border-color);
}

/* Custom Interactive Micro-Animations */
.btn-premium {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #ffffff;
  transition: all 0.3s var(--transition-cubic);
  position: relative;
  overflow: hidden;
}

.btn-premium:hover {
  filter: brightness(1.05);
  box-shadow: 0 10px 20px -5px var(--primary-glow);
  transform: translateY(-2px);
}

.btn-premium:active {
  transform: translateY(0);
}

.btn-outline {
  border: 1px solid var(--border-input);
  background: transparent;
  color: var(--text-main);
  transition: all 0.2s var(--transition-cubic);
}

.btn-outline:hover {
  background: var(--border-color);
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

/* Accordion Transitions */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
}

.accordion-content.open {
  max-height: 1000px;
  transition: max-height 0.4s ease-in-out;
}

.accordion-chevron {
  transition: transform 0.2s var(--transition-cubic);
}

.accordion-chevron.rotate {
  transform: rotate(180deg);
}

/* Preset Badge Buttons */
.preset-badge {
  transition: all 0.2s var(--transition-cubic);
  border: 2px solid transparent;
}

.preset-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-premium);
}

.preset-badge.active {
  border-color: var(--primary);
  transform: scale(1.05);
}

/* Tab Animation */
.tab-btn {
  position: relative;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  transform: scaleX(0);
  transition: transform 0.25s var(--transition-cubic);
}

.tab-btn.active {
  color: var(--primary);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

/* Responsive Grid Adjustments */
@media (max-width: 1024px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
}

/* Navigation Menu Styling */
.nav-link-item {
  position: relative;
  transition: color 0.2s var(--transition-cubic);
}

.nav-link-item::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  transform: scaleX(0);
  transition: transform 0.25s var(--transition-cubic);
  transform-origin: center;
}

.nav-link-item:hover::after,
.nav-link-item.active::after {
  transform: scaleX(1);
}

/* About/Profile Card Styling */
.avatar-glow {
  box-shadow: 0 0 25px rgba(79, 70, 229, 0.25);
  border: 3px solid var(--primary);
  transition: all 0.3s var(--transition-cubic);
}

.avatar-glow:hover {
  transform: scale(1.05);
  box-shadow: 0 0 35px rgba(79, 70, 229, 0.45);
}

/* SEO Prose Styling */
.seo-prose h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.seo-prose h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.seo-prose p {
  margin-bottom: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.seo-prose ul {
  list-style-type: disc;
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.seo-prose li {
  margin-bottom: 0.35rem;
}

/* Hide scrollbar for Chrome, Safari and Opera in swipable tabs */
#data-tabs::-webkit-scrollbar {
  display: none;
}

/* Hide scrollbar for IE, Edge and Firefox in swipable tabs */
#data-tabs {
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}



/* AdSense Banners Collapse Rules */
.ads-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 728px;
  margin-left: auto;
  margin-right: auto;
  transition: all 0.3s ease;
}
.ads-container:empty,
.ads-container ins[data-ad-status="unfilled"],
.ads-container ins:empty {
  display: none !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  height: 0 !important;
}