/* ==========================================================================
   IMAGE RESIZER - RESPONSIVE STYLESHEET
   Mobile-First, Tablet Breakpoints, Mobile Navigation Drawer & Article Layouts
   ========================================================================== */

/* Tablet & Smaller Screens (< 1024px) */
@media (max-width: 1024px) {
  :root {
    --header-height: 68px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

/* Tablet Portrait & Mobile (< 768px) */
@media (max-width: 768px) {
  .mobile-nav-toggle, .hamburger-btn {
    display: flex;
  }

  .nav-menu, .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 0.25rem;
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 999;
  }

  .nav-menu.active, .main-nav.active {
    transform: translateX(0);
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    font-size: 1.05rem;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background-color: var(--bg-secondary);
    padding: 0.5rem;
    margin: 0.25rem 0 0.75rem 0.5rem;
    border-radius: var(--radius-md);
    max-height: none;
    display: none;
  }

  .nav-item.dropdown-open .dropdown-menu,
  .nav-item.has-dropdown.dropdown-open .dropdown-menu {
    display: block;
  }

  .nav-item.dropdown-open .nav-dropdown-icon,
  .nav-item.has-dropdown.dropdown-open .dropdown-arrow {
    transform: rotate(180deg);
  }

  .dropdown-item, .dropdown-link {
    padding: 0.65rem 1rem;
    font-size: 0.95rem;
  }

  .hero-section {
    padding: 3rem 0 2rem;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-subtitle, .hero-description {
    font-size: 1rem;
    margin-bottom: 2rem;
  }

  .hero-actions, .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn, .hero-cta-group .btn {
    width: 100%;
  }

  .tools-section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 1.65rem;
  }

  .tools-grid {
    grid-template-columns: 1fr;
  }

  .tool-workspace {
    padding: 1.25rem;
    border-radius: var(--radius-lg);
  }

  .workspace-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .guide-card, .article-card {
    padding: 1.5rem;
  }

  .features-grid, .features-list {
    grid-template-columns: 1fr;
  }

  .use-cases-list {
    grid-template-columns: 1fr;
  }

  .comparison-table-wrapper {
    -webkit-overflow-scrolling: touch;
  }

  .comparison-table th, .comparison-table td {
    padding: 0.75rem 0.85rem;
    font-size: 0.85rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .legal-content-card {
    padding: 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }

  .toast {
    width: 100%;
  }
}

/* Mobile Small (< 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .site-logo, .brand-logo {
    font-size: 1.15rem;
  }

  .logo-icon, .brand-icon {
    width: 34px;
    height: 34px;
  }

  .logo-icon svg, .brand-icon svg {
    width: 18px;
    height: 18px;
  }

  .btn {
    width: 100%;
  }

  .tool-actions-bar {
    flex-direction: column;
    width: 100%;
  }

  .tool-actions-bar .btn {
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .article-meta-badge {
    flex-direction: column;
    align-items: flex-start;
    border-radius: var(--radius-md);
  }

  .dropzone {
    padding: 2rem 1rem;
  }
}


/* FINAL LAYOUT FIX v2 */
.mobile-nav-drawer {
  display: none !important;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: var(--bg-surface);
  overflow-y: auto;
  border-top: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
}
.mobile-nav-drawer.active { display: block !important; }
.mobile-nav-list { display:flex; flex-direction:column; padding:1rem 1.25rem 2rem; gap:.15rem; }
.mobile-nav-link { display:block; padding:.7rem .85rem; color:var(--text-secondary); border-radius:var(--radius-sm); }
.mobile-nav-link:hover { background:var(--primary-light); color:var(--primary); }
.mobile-category-title { margin-top:1rem; padding:.5rem .85rem; font-size:.78rem; font-weight:800; color:var(--text-muted); text-transform:uppercase; letter-spacing:.06em; }

/* The HTML uses upload-* classes while the older stylesheet used dropzone-* classes. */
.upload-zone {
  display:block; border:2px dashed var(--border-color); border-radius:var(--radius-lg);
  padding:2.5rem 1.5rem; text-align:center; background:var(--bg-secondary);
  cursor:pointer; position:relative; user-select:none; transition:all var(--transition-fast);
}
.upload-zone:hover, .upload-zone.dragover { border-color:var(--primary); background:var(--primary-light); box-shadow:var(--shadow-md); }
.upload-icon { width:54px !important; height:54px !important; margin:0 auto .85rem !important; color:var(--primary); display:block; }
.upload-title { font-size:1.1rem; font-weight:700; color:var(--text-primary); margin-bottom:.35rem; }
.upload-subtitle { font-size:.88rem; color:var(--text-muted); margin-bottom:.75rem; }
.file-input-hidden { display:none !important; }
.tool-preview-container { margin-top:1.5rem; display:grid; grid-template-columns:minmax(0,1fr) 1fr; gap:1.25rem; }
.preview-box { min-height:300px; display:flex; align-items:center; justify-content:center; padding:1rem; background:var(--bg-secondary); border:1px solid var(--border-color); border-radius:var(--radius-lg); overflow:hidden; }
.preview-box canvas, .preview-box img { max-width:100%; max-height:380px; width:auto; height:auto; object-fit:contain; }
@media (max-width:900px){ .tool-preview-container{grid-template-columns:1fr;} }
@media (max-width:768px){
  .main-nav { display:none !important; }
  .hamburger-btn { display:flex !important; }
  .mobile-nav-drawer.active { display:block !important; }
}
@media (min-width:769px){
  .mobile-nav-drawer { display:none !important; }
  .hamburger-btn { display:none !important; }
}


/* Mobile hamburger icon fix */
.hamburger-btn {
  position: relative;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.hamburger-btn .hamburger-line {
  display: block !important;
  width: 20px !important;
  height: 2px !important;
  min-width: 20px;
  min-height: 2px;
  background: currentColor !important;
  border-radius: 2px;
  opacity: 1 !important;
  transition: transform .2s ease, opacity .2s ease;
}
.hamburger-btn[aria-expanded="true"] .hamburger-line:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger-btn[aria-expanded="true"] .hamburger-line:nth-child(2) { opacity: 0 !important; }
.hamburger-btn[aria-expanded="true"] .hamburger-line:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 768px) {
  .header-actions { display:flex !important; align-items:center; gap:8px; }
  .hamburger-btn { display:flex !important; visibility:visible !important; opacity:1 !important; }
  .mobile-nav-drawer { top: var(--header-height, 72px); }
}

/* MOBILE MENU FINAL FIX v6 */
@media (max-width:768px){.site-header{overflow:visible!important}.site-header>.mobile-nav-drawer{position:absolute!important;top:100%!important;left:0!important;right:0!important;bottom:auto!important;width:100vw!important;height:calc(100vh - var(--header-height,72px))!important;max-height:calc(100vh - var(--header-height,72px))!important;z-index:10001!important;display:none!important;visibility:hidden!important;opacity:0!important;transform:translateY(-8px)}.site-header>.mobile-nav-drawer.active{display:block!important;visibility:visible!important;opacity:1!important;transform:translateY(0)}.site-header>.mobile-nav-drawer .mobile-nav-list{min-height:100%;background:var(--bg-surface,#fff)!important;box-shadow:0 14px 30px rgba(0,0,0,.16)} }
@media (min-width:769px){.site-header>.mobile-nav-drawer{display:none!important}}


/* SEO editorial content */
.seo-guide{max-width:900px;margin:42px auto;padding:32px;border:1px solid var(--border-color);border-radius:24px;background:var(--bg-card);box-shadow:var(--shadow-md)}
.seo-guide .section-header{margin-bottom:20px}.seo-guide h2{margin-bottom:14px}.seo-guide h3{margin:24px 0 8px;color:var(--text-primary);font-size:1.08rem}.seo-guide p{color:var(--text-secondary);line-height:1.82;font-size:1rem}.seo-faqs{margin-top:24px;padding-top:8px;border-top:1px solid var(--border-color)}.seo-faq{padding:14px 0;border-bottom:1px solid var(--border-color)}.seo-faq h3{margin:0 0 7px;font-size:1rem}.seo-faq p{font-size:.96rem}
@media(max-width:768px){.seo-guide{margin:28px 16px;padding:22px;border-radius:18px}.seo-guide p{font-size:.96rem;line-height:1.72}}

/* ========================================================================== 
   FINAL MOBILE NO-HORIZONTAL-SCROLL FIX v7
   Keeps every page inside the viewport, including devices/browser modes that
   report a wider CSS viewport than the physical screen.
   ========================================================================== */
html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden !important;
}

*, *::before, *::after {
  min-width: 0;
}

img, svg, canvas, video, iframe, object, embed {
  max-width: 100% !important;
}

.container,
.main-content,
.header-inner,
.tool-workspace,
.article-content,
.seo-guide,
.ad-slot,
.ad-slot-container {
  width: 100%;
  max-width: 100%;
}

.header-inner {
  min-width: 0 !important;
  gap: .75rem;
}

/* 1100px breakpoint also catches Android browsers using a tablet/desktop CSS viewport. */
@media (max-width: 1100px) {
  :root { --header-height: 68px; }

  .site-logo, .brand-logo {
    min-width: 0 !important;
    max-width: calc(100% - 110px);
  }

  .brand-name, .logo-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .main-nav, .nav-menu {
    display: none !important;
  }

  .header-actions {
    display: flex !important;
    flex: 0 0 auto;
    align-items: center;
    gap: 8px;
  }

  .hamburger-btn, .mobile-nav-toggle {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .main-content {
    width: 100% !important;
    max-width: 100% !important;
  }

  .breadcrumb-list {
    max-width: 100%;
    overflow: hidden;
    flex-wrap: wrap;
  }

  .tool-page-header,
  .tool-page-title,
  .tool-page-subtitle,
  .article-content,
  .seo-guide {
    max-width: 100%;
  }

  .tool-page-title,
  .tool-page-subtitle,
  .article-content h1,
  .article-content h2,
  .article-content h3,
  .article-content p,
  .seo-guide h2,
  .seo-guide h3,
  .seo-guide p,
  .ad-placeholder-inner {
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .tool-workspace,
  .article-content,
  .seo-guide {
    overflow: hidden;
  }

  .workspace-grid,
  .tool-preview-container,
  .features-grid,
  .features-list,
  .contact-grid,
  .tools-grid {
    min-width: 0 !important;
  }

  .form-row,
  .workspace-grid,
  .tool-preview-container {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .tool-workspace input,
  .tool-workspace select,
  .tool-workspace textarea,
  .tool-workspace button {
    max-width: 100%;
  }

  .tool-actions,
  .tool-actions-bar {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  .header-inner {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  .tool-workspace {
    padding: 18px !important;
    border-radius: 18px;
  }

  .ad-slot {
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .breadcrumb-list {
    font-size: .82rem;
  }

  .tool-page-title {
    font-size: clamp(1.7rem, 7vw, 2.2rem) !important;
  }

  .tool-page-subtitle {
    font-size: 1rem !important;
  }

  .tool-workspace [style*="display:flex"],
  .tool-workspace [style*="display: flex"] {
    flex-wrap: wrap !important;
  }

  .tool-workspace [style*="display:flex"] > *,
  .tool-workspace [style*="display: flex"] > * {
    min-width: 0 !important;
    max-width: 100%;
  }

  .tool-workspace input[type="number"] {
    flex: 1 1 180px;
  }

  .tool-workspace .btn {
    white-space: normal;
  }
}

/* Theme switcher removed from the public UI. */
.theme-toggle-btn{display:none!important}

/* TOP NAV RESTORE v10: visible primary navigation on tablet/mobile */
@media (max-width:1100px){
  :root{--header-height:116px!important}
  html,body{overflow-x:hidden!important}
  .site-header{height:var(--header-height)!important;overflow:visible!important}
  .header-inner{height:64px!important;min-height:64px!important;padding:0 16px!important;gap:.6rem!important}
  .main-nav{display:flex!important;position:absolute!important;left:0!important;right:0!important;bottom:0!important;width:100%!important;height:52px!important;min-width:0!important;padding:0 12px!important;margin:0!important;gap:2px!important;flex-direction:row!important;align-items:center!important;overflow-x:auto!important;overflow-y:visible!important;white-space:nowrap!important;scrollbar-width:none!important;background:rgba(248,250,252,.96)!important;border-top:1px solid var(--border-color)!important;-webkit-overflow-scrolling:touch}
  .main-nav::-webkit-scrollbar{display:none!important}
  .main-nav .nav-item{width:auto!important;min-width:max-content!important;flex:0 0 auto!important}
  .main-nav .nav-link{width:auto!important;min-width:max-content!important;white-space:nowrap!important;padding:.55rem .72rem!important;font-size:.88rem!important}
  .main-nav .dropdown-menu{display:none!important}
  .header-actions{display:none!important}
  .mobile-nav-drawer{display:none!important}
  .main-content{padding-top:var(--header-height)!important}
}
@media (max-width:480px){
  :root{--header-height:112px!important}
  .header-inner{height:60px!important;min-height:60px!important}
  .main-nav{height:52px!important;padding-left:8px!important;padding-right:8px!important}
  .main-nav .nav-link{font-size:.84rem!important;padding:.5rem .62rem!important}
}