/* Khalwati Mobile UX 2.0 — iPhone and Android only */
@media (max-width: 720px) {
  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }

  body {
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
  }

  .font-picker {
    display: none !important;
  }

  a, button, input, select {
    touch-action: manipulation;
  }

  a:active, button:active {
    transform: scale(.985);
  }

  /* Library landing page */
  body.library-page .site-header {
    display: none !important;
  }

  body.library-page .container {
    width: calc(100% - 28px) !important;
    max-width: 680px;
  }

  body.library-page .hero {
    min-height: 0 !important;
    padding: max(24px, env(safe-area-inset-top)) 0 30px !important;
    background:
      radial-gradient(circle at 50% 12%, rgba(255,216,102,.11), transparent 30%),
      linear-gradient(180deg, rgba(255,255,255,.025), transparent 78%);
  }

  body.library-page .logo-shell {
    position: relative !important;
    inset: auto !important;
    transform: none !important;
    width: 104px !important;
    max-width: 104px !important;
    margin: 0 auto !important;
    opacity: .92 !important;
    animation: none !important;
    filter: drop-shadow(0 12px 18px rgba(0,0,0,.38)) !important;
  }

  body.library-page .logo-shell::before,
  body.library-page .logo-shell::after {
    display: none !important;
  }

  body.library-page .hero h1 {
    max-width: 360px;
    margin: 14px auto 0 !important;
    color: #ffe17a;
    font-size: clamp(2rem, 9vw, 2.55rem) !important;
    line-height: 1.32 !important;
    text-wrap: balance;
    text-shadow: 0 6px 20px rgba(0,0,0,.46) !important;
  }

  body.library-page .hero p {
    max-width: 35rem;
    margin: 10px auto 0 !important;
    padding-inline: 2px;
    font-size: 1rem !important;
    line-height: 1.85 !important;
    color: rgba(255,250,229,.78) !important;
  }

  body.library-page .hero-actions {
    display: grid !important;
    grid-template-columns: 1fr;
    gap: 9px;
    width: 100%;
    margin-top: 18px !important;
  }

  body.library-page .hero-actions .btn {
    width: 100%;
    min-height: 50px !important;
    padding: 9px 16px !important;
    border-radius: 15px !important;
    font-size: .98rem !important;
    box-shadow: 0 10px 24px rgba(0,0,0,.20);
  }

  body.library-page .apps-section {
    display: none !important;
  }

  body.library-page .section {
    padding: 30px 0 calc(54px + env(safe-area-inset-bottom)) !important;
  }

  body.library-page .section-heading {
    display: grid !important;
    grid-template-columns: 1fr auto;
    align-items: end !important;
    gap: 8px 14px !important;
    margin-bottom: 16px !important;
  }

  body.library-page .section-heading > div {
    min-width: 0;
  }

  body.library-page .section-heading h2 {
    font-size: clamp(1.75rem, 8vw, 2.2rem) !important;
    line-height: 1.35 !important;
  }

  body.library-page .section-heading p {
    margin-top: 4px !important;
    font-size: .92rem !important;
    line-height: 1.65 !important;
  }

  body.library-page #resultCount {
    align-self: start;
    padding: 6px 10px;
    border: 1px solid rgba(255,216,102,.25);
    border-radius: 999px;
    background: rgba(1,20,10,.40);
    font-size: .8rem;
  }

  body.library-page .tools {
    display: block !important;
    margin-bottom: 18px !important;
  }

  body.library-page .search input {
    min-height: 48px !important;
    padding: 9px 14px !important;
    border-radius: 14px !important;
    font-size: .95rem !important;
  }

  body.library-page .filters {
    display: flex !important;
    flex-wrap: nowrap !important;
    gap: 7px !important;
    width: calc(100% + 14px);
    margin-top: 11px;
    padding: 0 0 5px 14px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline proximity;
    scrollbar-width: none;
  }

  body.library-page .filters::-webkit-scrollbar {
    display: none;
  }

  body.library-page .filter {
    flex: 0 0 auto;
    min-height: 40px;
    padding: 7px 14px !important;
    border-radius: 13px !important;
    font-size: .9rem !important;
    scroll-snap-align: start;
  }

  body.library-page .books-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  body.library-page .book-card {
    min-height: 0 !important;
    border-radius: 19px !important;
    content-visibility: auto;
    contain-intrinsic-size: 210px;
    box-shadow: 0 13px 30px rgba(0,0,0,.24) !important;
  }

  body.library-page .book-top {
    gap: 13px !important;
    padding: 15px 15px 8px !important;
  }

  body.library-page .book-icon {
    flex-basis: 58px !important;
    width: 58px !important;
    height: 82px !important;
    border-radius: 10px !important;
  }

  body.library-page .book-title {
    font-size: 1.16rem !important;
    line-height: 1.55 !important;
    text-wrap: balance;
  }

  body.library-page .book-category {
    margin-bottom: 5px !important;
    font-size: .72rem !important;
  }

  body.library-page .book-actions {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    padding: 9px 15px 15px !important;
  }

  body.library-page .read-button {
    grid-column: 1 / -1;
  }

  body.library-page .details-button,
  body.library-page .pdf-button,
  body.library-page .read-button {
    min-width: 0 !important;
    min-height: 42px !important;
    padding: 7px 9px !important;
    border-radius: 12px !important;
    font-size: .88rem !important;
  }

  body.library-page .details-button {
    grid-column: auto !important;
  }

  body.library-page .pdf-button {
    width: auto !important;
  }

  body.library-page .seo-note {
    font-size: .72rem !important;
  }

  body.library-page footer {
    padding: 22px 14px calc(30px + env(safe-area-inset-bottom));
  }

  /* Book detail pages */
  body.book-page .top {
    display: block !important;
    border: 0 !important;
    background: transparent !important;
    backdrop-filter: none !important;
  }

  body.book-page .top-inner {
    min-height: 0 !important;
    padding: max(10px, env(safe-area-inset-top)) 0 6px;
  }

  body.book-page .brand {
    display: none !important;
  }

  body.book-page .back {
    min-height: 42px;
    margin-inline-start: auto;
    padding: 8px 14px !important;
    border-radius: 13px !important;
    background: rgba(2,24,12,.72) !important;
    font-size: .9rem !important;
  }

  body.book-page .breadcrumbs {
    display: none !important;
  }

  body.book-page main {
    padding: 5px 0 calc(42px + env(safe-area-inset-bottom)) !important;
  }

  body.book-page .container {
    width: calc(100% - 20px) !important;
    max-width: 680px;
  }

  body.book-page .book {
    border-radius: 21px !important;
    box-shadow: 0 16px 38px rgba(0,0,0,.28) !important;
  }

  body.book-page .hero {
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
    padding: 20px 15px 23px !important;
    text-align: center !important;
  }

  body.book-page .cover {
    order: 1 !important;
    width: 154px !important;
    max-width: 44vw !important;
    margin-inline: auto !important;
    border-radius: 14px !important;
  }

  body.book-page .hero > div:not(.cover) {
    order: 2 !important;
    width: 100% !important;
    min-width: 0 !important;
  }

  body.book-page .category {
    margin-bottom: 6px !important;
    font-size: .75rem !important;
  }

  body.book-page .hero h1 {
    max-width: 100% !important;
    font-size: clamp(1.45rem, 7vw, 2.05rem) !important;
    line-height: 1.5 !important;
    text-wrap: balance;
    word-break: normal !important;
    overflow-wrap: normal !important;
  }

  body.book-page .summary {
    max-width: 34rem;
    margin: 12px auto 0 !important;
    font-size: .98rem !important;
    line-height: 1.85 !important;
    text-align: right;
  }

  body.book-page .actions {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 8px !important;
    margin-top: 17px !important;
  }

  body.book-page .actions .button {
    width: 100% !important;
    min-width: 0 !important;
    min-height: 48px !important;
    padding: 8px 13px !important;
    border-radius: 13px !important;
    font-size: .95rem !important;
  }

  body.book-page .content {
    padding: 0 15px 27px !important;
  }

  body.book-page .content h2 {
    font-size: 1.35rem !important;
  }

  body.book-page .facts,
  body.book-page .next-prev,
  body.book-page .related {
    display: grid !important;
    grid-template-columns: 1fr !important;
  }

  body.book-page .related a,
  body.book-page .next-prev a {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 380px) {
  body.library-page .container,
  body.book-page .container {
    width: calc(100% - 16px) !important;
  }

  body.library-page .logo-shell {
    width: 88px !important;
  }

  body.library-page .hero h1 {
    font-size: 1.85rem !important;
  }

  body.book-page .hero h1 {
    font-size: 1.42rem !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}