/* ========================================================================= */
/* WEBGURUJI UNIVERSAL RESPONSIVE SHIELD & ULTRA-PREMIUM UI/UX ENGINE        */
/* Infallible cross-device responsiveness from 320px to 4K Ultra-Wide        */
/* Works across HarshGuruJi Store, Books, and WebGuruJi Main Ecosystem       */
/* ========================================================================= */

:root {
  /* Ultra-Premium Glassmorphism & Depth Tokens */
  --wg-obsidian-bg: #090b10;
  --wg-obsidian-card: rgba(14, 18, 27, 0.85);
  --wg-obsidian-hover: rgba(22, 28, 42, 0.95);
  --wg-glass-border: rgba(255, 255, 255, 0.08);
  --wg-glass-border-hover: rgba(99, 102, 241, 0.35);
  --wg-glass-highlight: rgba(255, 255, 255, 0.14);
  --wg-primary-glow: rgba(99, 102, 241, 0.25);
  --wg-accent-coral: #ff6b4a;
  --wg-accent-indigo: #6366f1;
  --wg-accent-pink: #ec4899;
  --wg-accent-emerald: #10b981;
  --wg-ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
}

/* 1. Universal Box-Sizing & Viewport Boundary */
*, *::before, *::after {
  box-sizing: border-box !important;
  -webkit-tap-highlight-color: transparent;
}

html {
  width: 100% !important;
  max-width: 100vw !important;
  overflow-x: hidden !important;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  width: 100% !important;
  max-width: 100vw !important;
  overflow-x: hidden !important;
  position: relative;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
  text-rendering: optimizeLegibility !important;
}

/* 2. Sleek Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
  transition: background 0.2s ease;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.6);
}
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.16) transparent;
}

/* 3. Media & Replaced Elements - Zero Overflow Constraint */
img, picture, video, canvas, svg, iframe, embed, object {
  max-width: 100% !important;
  height: auto;
  vertical-align: middle;
}

/* 4. Text & Typography - Fluid Scaling & Zero Overflow */
h1, h2, h3, h4, h5, h6, p, span, a, div,
.page-title, .hero-title, .section-title, .modal-title, .app-name, .book-title {
  overflow-wrap: break-word !important;
  word-wrap: break-word !important;
}

h1, .hero-title, .page-title {
  font-size: clamp(1.85rem, 5vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h2, .section-title {
  font-size: clamp(1.4rem, 3.5vw, 2.25rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h3, .section-headline, .edu-section-title {
  font-size: clamp(1.15rem, 2.5vw, 1.6rem);
  line-height: 1.35;
}

/* Monospace, code, hashes, and URLs break anywhere safely */
code, pre, .url, .monospace, .hash, .token, pre code, .log-output {
  overflow-wrap: anywhere !important;
  word-break: break-all !important;
  white-space: pre-wrap !important;
  max-width: 100% !important;
}

/* 5. Layout Containers - Strict Width Containment */
main, section, article, aside, header, footer,
.section-container, .hero-content, .hero-visual, .nav-container,
.auth-container, .auth-wrapper, .wiki-content, .main-container,
.store-container, .store-page, .books-container, .app-detail-container,
.detail-container, .page-container, .dashboard-container {
  max-width: 100% !important;
  overflow-x: hidden !important;
  box-sizing: border-box !important;
}

/* 6. Ultra-Premium Glassmorphic Cards & Elevated Surfaces */
.card, .app-card, .book-card, .feature-card, .tool-card,
.edu-card, .dash-card, .achievement-card, .module-card,
.master-table-card, .stat-metric-card, .class-card,
.detail-section-card, .app-small-box, .step-box, .faq-box,
.stat-tile, .category-card, .service-card, .contributor-card {
  position: relative;
  border: 1px solid var(--wg-glass-border) !important;
  background-color: var(--wg-obsidian-card) !important;
  backdrop-filter: blur(16px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(16px) saturate(180%) !important;
  border-radius: 16px !important;
  transition: transform 0.25s var(--wg-ease-spring),
              box-shadow 0.25s var(--wg-ease-spring),
              border-color 0.25s ease !important;
}

.card:hover, .app-card:hover, .book-card:hover, .feature-card:hover,
.tool-card:hover, .edu-card:hover, .dash-card:hover, .achievement-card:hover,
.module-card:hover, .master-table-card:hover, .stat-metric-card:hover,
.class-card:hover, .detail-section-card:hover, .app-small-box:hover,
.step-box:hover, .faq-box:hover, .stat-tile:hover, .category-card:hover,
.service-card:hover, .contributor-card:hover {
  transform: translateY(-4px) !important;
  border-color: var(--wg-glass-border-hover) !important;
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.7),
              0 0 24px -4px var(--wg-primary-glow) !important;
}

/* 7. Tactile Buttons & Interactive Micro-Interactions */
.btn, .btn-primary, .btn-secondary, .btn-action-primary,
.btn-action-outline, .btn-action-danger, .btn-outline,
.premium-btn-outline, .hero-quick-btn, .card-action-btn,
.card-action-btn-secondary, .box-download-btn, .app-btn-download-tag,
.hub-btn, .floating-btn, .btn-download, .btn-dl-main,
.btn-submit, .btn-social, .btn-daily-special {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 42px;
  cursor: pointer !important;
  user-select: none !important;
  transition: transform 0.18s var(--wg-ease-spring),
              box-shadow 0.18s var(--wg-ease-spring),
              filter 0.18s ease,
              background-color 0.18s ease,
              border-color 0.18s ease !important;
}

.btn:active, .btn-primary:active, .btn-secondary:active,
.btn-action-primary:active, .btn-action-outline:active,
.btn-action-danger:active, .btn-outline:active,
.premium-btn-outline:active, .hero-quick-btn:active,
.card-action-btn:active, .box-download-btn:active,
.app-btn-download-tag:active, .hub-btn:active,
.floating-btn:active, .btn-download:active, .btn-dl-main:active,
.btn-submit:active, .btn-social:active, .btn-daily-special:active {
  transform: scale(0.97) !important;
}

.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--wg-accent-indigo) !important;
  outline-offset: 3px !important;
}

/* 8. Filter Chips, Category Pills & Badges */
.filter-chip, .category-quick-pill, .search-chip,
.hub-filter-btn, .pill-link, .status-pill, .box-badge,
.box-platform-pill, .meta-chip, .quick-chip, .chip,
.badge, .card-badge, .app-chip, .explore-chip,
.tab-pill, .master-tab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 999px !important;
  transition: all 0.2s var(--wg-ease-spring) !important;
  user-select: none;
}

.filter-chip:hover, .category-quick-pill:hover, .search-chip:hover,
.hub-filter-btn:hover, .pill-link:hover, .meta-chip:hover,
.quick-chip:hover, .chip:hover, .app-chip:hover, .explore-chip:hover,
.tab-pill:hover, .master-tab-btn:hover {
  transform: translateY(-2px) !important;
  border-color: var(--wg-accent-indigo) !important;
}

.filter-chip:active, .category-quick-pill:active, .search-chip:active,
.hub-filter-btn:active, .pill-link:active, .tab-pill:active {
  transform: scale(0.96) !important;
}

/* 9. Forms, Inputs & Focus Glow */
input, textarea, select {
  max-width: 100% !important;
  box-sizing: border-box !important;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background-color: rgba(14, 18, 27, 0.8);
  color: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease !important;
}

input:focus, textarea:focus, select:focus,
.form-input:focus, .gate-input:focus, .search-input:focus {
  border-color: var(--wg-accent-indigo) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.28) !important;
  outline: none !important;
}

/* Prevent iOS Safari auto-zoom on mobile inputs */
@media (max-width: 768px) {
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="search"],
  input[type="number"],
  input[type="tel"],
  input[type="url"],
  select,
  textarea {
    font-size: 16px !important;
  }
}

/* 10. Responsive Grids & Defensive Flex */
.hero-stats, .dsb-inner, .dsb-text, .auth-options,
.filter-tabs, .categories-pills, .tag-list, .chip-group,
.modal-meta-chips, .app-meta-row, .btn-group, .action-bar,
.download-counter-row, .search-tags, .breadcrumb {
  display: flex;
  flex-wrap: wrap !important;
}

.categories-grid, .contact-grid, .daily-grid, .features-grid, .tools-grid,
.store-grid, .an1-grid, .apps-grid, .books-grid, .grid-responsive,
.modal-info-grid, .ncert-grid, .edu-grid, .detail-grid-layout {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)) !important;
  gap: 1.25rem !important;
  max-width: 100% !important;
}

/* 11. Tables & Scrollable Data */
table {
  width: 100% !important;
  max-width: 100% !important;
  border-collapse: collapse;
}

.table-responsive, .table-wrapper {
  width: 100% !important;
  max-width: 100% !important;
  overflow-x: auto !important;
  -webkit-overflow-scrolling: touch;
  border-radius: 12px;
}

/* 12. Modals & Dialogs Enhancement */
.app-modal, .modal, .modal-dialog, .dialog-box, .popup-content {
  max-width: min(94vw, 680px) !important;
  max-height: 90vh !important;
  overflow-y: auto !important;
  margin: auto !important;
  border-radius: 20px !important;
  border: 1px solid var(--wg-glass-highlight) !important;
  box-shadow: 0 25px 65px -15px rgba(0, 0, 0, 0.85),
              0 0 35px -5px var(--wg-primary-glow) !important;
}

.app-modal-overlay, .modal-overlay, .lightbox-overlay {
  padding: 1rem !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
}

/* 13. Dynamic Universal Toast Styling */
.wg-toast-container {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999999;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  pointer-events: none;
  max-width: min(92vw, 440px);
  width: 100%;
}

.wg-toast {
  pointer-events: all;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  border-radius: 50px;
  background: rgba(14, 18, 27, 0.94);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.8),
              0 0 20px -4px var(--wg-primary-glow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: wgToastSlideDown 0.3s var(--wg-ease-spring) forwards;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.wg-toast.wg-toast-success {
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.8),
              0 0 20px -4px rgba(16, 185, 129, 0.3);
}

.wg-toast.wg-toast-error {
  border-color: rgba(244, 63, 94, 0.4);
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.8),
              0 0 20px -4px rgba(244, 63, 94, 0.3);
}

.wg-toast.wg-toast-hiding {
  opacity: 0;
  transform: translateY(-12px) scale(0.96);
}

@keyframes wgToastSlideDown {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.94);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ========================================================================= */
/* SPECIFIC BREAKPOINTS                                                      */
/* 1440px, 1024px, 768px, 480px, 412px, 390px, 375px, 360px, 320px          */
/* ========================================================================= */

@media (max-width: 1440px) {
  .hero { padding-top: 3.5rem; padding-bottom: 2rem; }
}

@media (max-width: 1024px) {
  .hero-stats { gap: 1.25rem; }
  .dsb-inner { padding: 0.4rem 2%; }
  .section { padding-top: 2rem !important; padding-bottom: 2rem !important; }
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column !important;
    text-align: center;
    padding-top: 2.5rem !important;
    padding-bottom: 2rem !important;
  }
  .page-header {
    padding-top: 2rem !important;
    padding-bottom: 1rem !important;
  }
  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem !important;
  }
  .stat-divider { display: none !important; }
  
  .store-grid, .an1-grid, .apps-grid, .books-grid, .edu-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)) !important;
    gap: 1rem !important;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column !important;
    width: 100% !important;
  }
  .hero-buttons .btn,
  .hero-buttons a,
  .btn, .btn-primary, .btn-secondary, .btn-social, .btn-submit,
  .btn-daily-special, .btn-download, .btn-dl-main {
    width: 100% !important;
    max-width: 100% !important;
    margin-bottom: 0.5rem;
    text-align: center;
    justify-content: center;
  }
  .section, .hero, .auth-wrapper, .main-container, .detail-container {
    padding-left: 0.85rem !important;
    padding-right: 0.85rem !important;
    padding-top: 1.5rem !important;
    padding-bottom: 1.5rem !important;
  }
  
  /* Badges and tags */
  .badge, .chip {
    white-space: normal !important;
    height: auto !important;
    text-align: center;
  }

  .store-grid, .an1-grid, .apps-grid, .books-grid, .edu-grid {
    grid-template-columns: 1fr !important;
    gap: 0.85rem !important;
  }
}

@media (max-width: 412px) {
  .hero-title, .page-title { font-size: clamp(1.75rem, 7.5vw, 2.25rem) !important; }
  .section-title { font-size: clamp(1.3rem, 5.5vw, 1.75rem) !important; }
}

@media (max-width: 390px) {
  .dsb-text { font-size: 0.8rem !important; }
  .dsb-btn { width: 100% !important; margin-top: 0.5rem; text-align: center; }
}

@media (max-width: 375px) {
  .auth-container { padding: 1.25rem !important; }
  .input-wrapper input { padding: 0.5rem 0.85rem 0.5rem 2.25rem !important; }
}

@media (max-width: 360px) {
  .feature-card, .app-card, .book-card, .edu-card { padding: 1.15rem !important; }
}

@media (max-width: 320px) {
  body { font-size: 14px !important; }
  .nav-logo span { font-size: 1.15rem !important; }
  .section, .main-container, .detail-container { padding-left: 0.5rem !important; padding-right: 0.5rem !important; }
}