/* Wonderful Writers: shared small-screen layout and floating controls.
   Loaded last so legacy and inline page layouts keep their desktop design. */
:root {
  --ww-edge: 24px;
  --ww-control-size: 52px;
  --ww-bottom: max(var(--ww-edge), env(safe-area-inset-bottom, 0px));
  --ww-left: max(var(--ww-edge), env(safe-area-inset-left, 0px));
  --ww-right: max(var(--ww-edge), env(safe-area-inset-right, 0px));
}
.ww-page-top, .scroll-top, .back-to-top {
  left: auto !important;
  right: var(--ww-right) !important;
  bottom: var(--ww-bottom) !important;
}
.ww-page-top, .ww-whatsapp-float {
  position: fixed !important;
  width: var(--ww-control-size) !important;
  height: var(--ww-control-size) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  z-index: 1000;
  box-sizing: border-box;
  text-decoration: none;
  transition: opacity .2s, transform .2s;
}
.ww-page-top {
  background: #FF7E2D;
  box-shadow: 0 4px 20px rgba(255,126,45,.4);
  opacity: 1;
  visibility: visible;
  transform: none;
}
.ww-page-top[hidden] { display: none !important; }
.ww-whatsapp-float {
  left: var(--ww-left) !important;
  right: auto !important;
  bottom: var(--ww-bottom) !important;
  background: #25D366;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
}
.ww-page-top svg { width: 22px; height: 22px; }
.ww-whatsapp-float svg { width: 29px; height: 29px; }
.ww-page-top:focus-visible, .ww-whatsapp-float:focus-visible {
  outline: 3px solid #1a1200;
  outline-offset: 4px;
}
/* Keep the existing live-chat launcher, but stack it ABOVE back-to-top. */
.ww-chat-btn {
  position: fixed !important;
  right: var(--ww-right) !important;
  bottom: calc(var(--ww-bottom) + var(--ww-control-size) + 14px) !important;
  width: var(--ww-control-size) !important;
  height: var(--ww-control-size) !important;
}
.ww-chat-window {
  right: var(--ww-right) !important;
  bottom: calc(var(--ww-bottom) + var(--ww-control-size) * 2 + 28px) !important;
  width: min(360px, calc(100vw - var(--ww-left) - var(--ww-right))) !important;
  max-height: calc(100dvh - var(--ww-bottom) - var(--ww-control-size) * 2 - 44px) !important;
  overflow-y: auto !important;
}
.ww-chat-body { min-height: 80px !important; flex-shrink: 1; }
.ww-chat-footer input { min-width: 0; }
.ww-table-scroll { max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.ww-table-scroll:focus-visible { outline: 2px solid #FF7E2D; outline-offset: 2px; }
.ww-tutor-menu { display: none; }
.nav-platforms-dropdown[data-ww-dropdown] .platforms-menu[aria-hidden="false"] { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
.nav-platforms-dropdown[data-ww-dropdown] .platforms-menu[aria-hidden="true"] { opacity: 0 !important; visibility: hidden !important; pointer-events: none !important; }

@media (max-width: 1100px) {
  /* Seven navigation links plus social links no longer fit at tablet widths. */
  .header > .container { flex-wrap: wrap; gap: 12px; }
  .header .header-search { order: 3; flex: 1 1 100%; max-width: none; min-width: 0; }
  .header .search-input { min-width: 0; }
  .navbar { position: relative; z-index: 1001; }
  .navbar .menu-toggle { display: flex; width: 44px; min-height: 44px; align-items: center; justify-content: center; }
  .navbar .nav-menu {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    width: auto;
    max-height: min(70vh, 480px);
    max-height: min(70dvh, 480px);
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-alt, #fff) !important;
    backdrop-filter: none !important;
    border-top: 1px solid var(--border, #e5e7eb);
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
    z-index: 1002;
  }
  .navbar .nav-menu.open { display: flex; }
  .navbar .nav-menu a { display: block; padding: 14px 24px; min-height: 44px; border-bottom: 1px solid var(--border, #e5e7eb); }
  .navbar .nav-right { display: none; }
  .nav-actions { margin-left: auto; min-width: 0; flex-wrap: wrap; justify-content: flex-end; }
  .booking-layout { grid-template-columns: minmax(0, 1fr) 340px; }
  .booking-layout > * { min-width: 0; }
  .session-plans { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 968px) {
  .booking-layout { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 900px) {
  :where(.booking-layout, .order-layout, .detail-layout, .co-wrap, .article-layout,
    .blog-layout, .community-layout, .tutoring-layout, .d-main, .t-main) { min-width: 0; }
  :where(.booking-layout, .order-layout, .detail-layout, .article-layout, .blog-layout, .community-layout) > * { min-width: 0; }
  .ww-responsive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .ww-responsive-grid > * { min-width: 0; }
  .footer .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .d-sidebar:not(.sidebar-collapsed) { display: flex !important; position: fixed; left: 0; top: 64px; bottom: 0; max-width: min(280px, 85vw); height: calc(100dvh - 64px); z-index: 1050; box-shadow: 8px 0 24px rgba(0,0,0,.2); }
  .d-sidebar.sidebar-collapsed { display: none !important; }
  .d-wrap, .d-main, .d-content, .t-main { min-width: 0; }
  .ww-tutor-menu { display: block; grid-column: 1 / -1; padding: 14px 20px; min-height: 44px; background: var(--bg-card, #fff); color: var(--primary, #e56520); border: 1px solid var(--border, #e5e7eb); text-align: left; font: inherit; cursor: pointer; }
  .t-wrap { grid-template-columns: minmax(0, 1fr); }
  .t-sidebar { display: none; }
  .t-sidebar.ww-mobile-open { display: flex; position: static; width: 100%; height: auto; max-height: 65dvh; overflow-y: auto; }
}
@media (max-width: 768px) {
  :root { --ww-edge: 16px; --ww-control-size: 48px; }
  /* Let flex/grid children shrink to the available viewport, not their content. */
  .container { padding-left: 16px; padding-right: 16px; }
  :where(main, section, article, aside, form, .container, .footer-grid, .nav-actions) > * { min-width: 0; }
  :where(h1,h2,h3,h4,p,a,label,.badge,.hero-badge,.section-label) { overflow-wrap: anywhere; }
  img, video, canvas, iframe { max-width: 100%; }
  img:not([height]) { height: auto; }
  input, select, textarea { max-width: 100%; min-width: 0; box-sizing: border-box; font-size: 16px !important; }
  input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=hidden]), select { min-height: 44px; }
  .btn, .btn-hero-primary, .btn-hero-ghost { white-space: normal; text-align: center; justify-content: center; max-width: 100%; }
  .header > .container { padding-top: 10px; padding-bottom: 10px; }
  .header .logo { flex: 0 1 180px; min-width: 100px; margin-inline: auto; }
  /* Original square logo files contain large transparent top/bottom margins. */
  .header .logo-img { width: 180px !important; height: 40px !important; max-width: 100% !important; object-fit: cover !important; object-position: center; }
  .header .nav-actions { flex: 1 1 100%; margin: 0; justify-content: center; gap: 8px; }
  .header .nav-actions .btn { padding: 10px 8px !important; min-height: 44px; font-size: .75rem !important; }
  .header .nav-platforms-btn { padding: 10px; font-size: .78rem; min-height: 44px; }
  .header .theme-toggle { flex-shrink: 0; width: 44px; height: 44px; }
  .header .header-search { display: flex; }
  .header .search-select { max-width: 120px; padding-left: 8px; padding-right: 8px; }
  .header .search-btn { flex: 0 0 44px; }
  /* A tall two-row header must not consume the screen while reading. */
  .header { position: relative !important; top: auto !important; }
  .topbar-left { flex-wrap: wrap; justify-content: center; gap: 4px 14px; text-align: center; }
  .topbar-left span { overflow-wrap: anywhere; }
  .announcement-bar { padding: 10px 42px 10px 16px; line-height: 1.6; }
  .announcement-close { min-width: 32px; min-height: 32px; }
  .nav-platforms-dropdown { position: relative; }
  .platforms-menu { right: 0; left: auto; max-width: calc(100vw - 32px); }
  .footer-grid, .footer .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .footer-bottom { flex-wrap: wrap; gap: 12px; padding-bottom: 80px; overflow-wrap: anywhere; }
  .newsletter-form { display: flex; max-width: 100%; }
  .newsletter-input { min-width: 0; width: 0; flex: 1; }
  .newsletter-btn { flex-shrink: 0; padding: 10px 14px; }
  .hero-cta-row, .hero-actions, .cta-actions, .tps-stats, .filter-tags { flex-wrap: wrap; }
  .hero-badge { white-space: normal; text-align: center; }
  .order-sidebar, .price-sidebar, .article-sidebar { position: static !important; width: auto; max-width: 100%; }
  .booking-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .session-plans { grid-template-columns: minmax(0, 1fr) !important; }
  .booking-layout > *, .tps-info { min-width: 0; }
  .tutor-profile-strip, .sidebar-card { padding: 20px; }
  .tps-bio { overflow-wrap: anywhere; }
  .co-wrap { grid-template-columns: minmax(0, 1fr); padding-left: 16px; padding-right: 16px; }
  .co-wrap > *, .why-grid > *, .why-small-cards > * { min-width: 0; }
  .why-small-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  code { overflow-wrap: anywhere; white-space: normal; }
  pre { max-width: 100%; overflow-x: auto; }
  pre code { white-space: pre; overflow-wrap: normal; }
  footer { padding-bottom: max(96px, env(safe-area-inset-bottom, 0px)) !important; }
  .footer .logo-img, footer .logo-img { width: 200px !important; height: 48px !important; max-width: 100% !important; object-fit: cover !important; }
  .toast-container { max-width: calc(100vw - 32px); right: 16px; }
  .toast { max-width: 100%; }
  /* The store uses its own inline navigation instead of .navbar. Keep every link reachable. */
  body > nav:not([class]) { max-width: 100%; overflow-x: auto; }
  body > header:not([class]) > .container { flex-wrap: wrap; gap: 12px; }
  body > header:not([class]) > .container > div { flex-wrap: wrap; gap: 8px !important; }
  .module-header, .module-body, .quiz-box { padding: 20px; }
  .cover { padding: 40px 20px; }
  .cover h1 { font-size: clamp(1.7rem, 7vw, 2.4rem); }
}
@media (max-width: 600px) {
  .ww-responsive-grid { grid-template-columns: minmax(0, 1fr) !important; gap: 20px !important; }
  .hero-premium .hero-h1 { font-size: clamp(2rem, 8.5vw, 3rem); }
  .hero-premium .hero-desc { font-size: 1rem; }
  .hero-social-proof { flex-wrap: wrap; gap: 12px; }
  .hero-float-card { max-width: calc(100% - 32px); font-size: .75rem; padding: 10px 12px; }
  .hero-cta-row > a { width: 100%; }
  .session-types, .form-row { grid-template-columns: minmax(0, 1fr); }
  .form-section, .booking-form-card, .co-card { padding: 20px; }
  .steps, .step-indicator { gap: 6px; }
  .steps .step, .step-indicator .step { flex: 1; min-width: 0; flex-direction: column; text-align: center; gap: 6px; font-size: .72rem; }
  .step-label { font-size: .7rem; white-space: normal; overflow-wrap: anywhere; }
  .step-connector, .step-line, .step-divider { flex: 0 1 20px; margin-left: 0; margin-right: 0; }
  .step-num, .step-circle { flex-shrink: 0; }
  .why-main-card { padding: 24px; }
  .why-small-card { padding: 16px; }
  .cal-cell { min-width: 0; }
  .cal-grid, .calendar-grid { gap: 3px; }
  .d-inner, .t-inner { padding: 16px; }
  .auth-card, .auth-form-panel { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  .ww-page-top, .ww-whatsapp-float { transition: none; }
}
@media print {
  .ww-page-top, .ww-whatsapp-float, .ww-chat-btn, .ww-chat-window { display: none !important; }
  .ww-table-scroll { overflow: visible; }
}

/* Compact dashboard shells and admin pages without altering desktop layouts. */
@media (max-width: 1100px) {
  .admin-main, .admin-content { min-width: 0; }
  .admin-content .kpi-grid, .admin-main .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .admin-topbar, .admin-topbar-left, .topbar-actions, .topbar-right { min-width: 0; flex-wrap: wrap; }
  .admin-topbar { height: auto !important; min-height: 62px; gap: 12px; }
  .admin-main .chat-layout { grid-template-columns: minmax(200px, 35%) minmax(0, 1fr); }
  .page-wrap { grid-template-columns: minmax(0, 1fr) !important; max-width: 460px; margin: auto; gap: 28px; }
  .page-wrap > *, .brand-logo > * { min-width: 0; }
  .brand-logo { flex-wrap: wrap; justify-content: center; }
  .brand-logo-img { width: 180px !important; height: 40px !important; object-fit: cover !important; max-width: 100% !important; }
}
@media (max-width: 900px) {
  .admin-main { width: 100%; margin-left: 0 !important; }
  .admin-sidebar.open { transform: translateX(0) !important; }
  .admin-content { padding: 16px !important; }
  .admin-main .chat-layout { grid-template-columns: minmax(0, 1fr); height: auto; }
  .admin-main .thread-list { max-height: 240px; }
  .admin-main .chat-window { min-height: 400px; max-height: 75dvh; min-width: 0; }
  .admin-card-header, .filter-bar { flex-wrap: wrap; gap: 10px; }
  .admin-main .btn-site { white-space: normal; max-width: 100%; }
  .materials-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 600px) {
  .d-topbar, .t-topbar { flex-wrap: wrap; gap: 10px; height: auto; padding: 12px 16px; }
  .d-topbar-right, .topbar-r { flex-wrap: wrap; gap: 8px; min-width: 0; }
  .d-user-name { overflow-wrap: anywhere; }
  .page-wrap { width: 100%; }
  .page-wrap .brand-side, .page-wrap .login-card { padding: 24px 20px; }
  .admin-content > div[style*="display:flex"] { flex-wrap: wrap; }
}