/* * responsive.css — Comprehensive mobile-first responsive rules * Add to HTML: * Include AFTER style.css in the HTML . */ /* ── Safe area & iOS scroll helpers ── */ body { padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); max-width: 100vw; } /* Prevent iOS zoom on input focus — minimum 16px on all form elements */ input, select, textarea, button, .btn, .lang-btn, .tab-btn, .theme-btn, .simple-mode-switch { font-size: 16px; } /* Remove tap highlight and 300ms delay on touch devices */ a, button, .btn, .mode-card, .card, .tab-btn, .dl-option, .lang-option, .sidebar-close, .social-card, .search-result-item, .c2pa-type-card, .badge, .ast-bubble, .bot-block-link, input, select, textarea, label, .file-drop-zone, .contact-card { -webkit-tap-highlight-color: transparent; touch-action: manipulation; } .result, .search-results, .nav-search .search-results { -webkit-overflow-scrolling: touch; } /* ── Container padding (mobile-first) ── */ .container { padding: 32px 16px; } /* ── Nav: hide links below 768px (keep lang dropdown) ── */ @media (width <= 767px) { .nav-links a[data-page] { display: none; } } @media (width >= 768px) { .hamburger { display: none !important; } } /* ── Hero font sizes ── */ @media (width <= 359px) { .hero h1 { font-size: 1.4rem; } .hero p { font-size: 0.82rem; } } @media (width >= 360px) and (width <= 413px) { .hero h1 { font-size: 1.6rem; } .hero p { font-size: 0.88rem; } } @media (width >= 414px) and (width <= 599px) { .hero h1 { font-size: 1.8rem; } .hero p { font-size: 0.92rem; } } @media (width >= 600px) and (width <= 767px) { .hero h1 { font-size: 2.2rem; } .hero p { font-size: 1rem; } } @media (width >= 768px) { .hero h1 { font-size: 2.5rem; } .hero p { font-size: 1rem; } } /* ── Card grid (homepage) ── */ @media (width <= 413px) { .grid { grid-template-columns: 1fr; } } @media (width >= 414px) and (width <= 767px) { .grid { grid-template-columns: repeat(2, 1fr); } } @media (width >= 768px) { .grid { grid-template-columns: repeat(3, 1fr); } } /* ── Forms ── */ @media (width <= 413px) { .card-form { padding: 18px; } .form-group { margin-bottom: 10px; } .form-group input, .form-group select { padding: 10px 12px; } .btn { width: 100%; padding: 12px 16px; min-height: 44px; display: flex; align-items: center; justify-content: center; touch-action: manipulation; } .file-drop-zone { padding: 16px 14px; } .file-drop-zone .dz-icon { font-size: 1.5rem; } .file-drop-zone .dz-text { font-size: 0.78rem; } } @media (width >= 414px) { .btn { min-height: 44px; } } /* ── C2PA type cards (content checkboxes) on mobile ── */ @media (width <= 413px) { .c2pa-type-card { padding: 10px 14px; min-height: 44px; } .c2pa-type-name { font-size: 0.8rem; } } /* ── C2PA tab buttons on mobile ── */ @media (width <= 413px) { .tab-btn { touch-action: manipulation; } } /* ── Tab buttons stack on tiny screens ── */ @media (width <= 374px) { .card-form > div:first-child { flex-direction: column; gap: 6px; } .tab-btn { font-size: 0.78rem; padding: 10px 6px; min-height: 44px; } } /* ── Result box ── */ @media (width <= 413px) { .result { max-height: 250px; font-size: 0.7rem; padding: 10px; } } /* ── Footer ── */ @media (width <= 480px) { footer { padding: 16px 12px; margin-top: 24px; } .footer-links { flex-direction: column; gap: 8px; } .footer-links a { font-size: 0.78rem; } .footer-social { gap: 6px; } .footer-social a { font-size: 0.72rem; padding: 6px 8px; } .footer-copy { font-size: 0.72rem; } } /* ── Search (nav) ── */ @media (width <= 767px) { .nav-search input { font-size: 0.75rem; } .nav-search { width: 140px; } .nav-search.focused { width: 140px; } .nav-search .search-results { left: auto; right: 0; } } @media (width <= 480px) { .nav-search { width: 120px; } .nav-search.focused { width: 120px; } .nav-search .search-results { width: calc(100vw - 24px); left: auto; right: 0; max-height: 280px; } } @media (width <= 359px) { .nav-search { width: 80px; } .nav-search.focused { width: 80px; } .nav-search .search-results { width: calc(100vw - 24px); left: auto; right: 0; max-height: 280px; } } /* ── Language dropdown overflow fix ── */ @media (width <= 480px) { .lang-menu { right: 0; left: auto; } } @media (width <= 359px) { .lang-menu { left: 0; right: auto; min-width: 120px; } .lang-btn { font-size: 0.75rem; padding: 6px 8px; min-width: 60px; } } /* ── Download modal grid ── */ @media (width <= 413px) { .dl-grid { grid-template-columns: repeat(2, 1fr); } } @media (width >= 414px) { .dl-grid { grid-template-columns: repeat(3, 1fr); } } @media (width <= 413px) { .modal-box { padding: 20px 16px; } .dl-option { padding: 14px 6px; min-height: 44px; font-size: 0.75rem; } } @media (width <= 359px) { .dl-grid { grid-template-columns: 1fr 1fr; gap: 6px; } } /* ── Static pages (About, Privacy, Contact, Social) ── */ @media (width <= 767px) { .static-page { padding: 0 4px; } .static-page h2 { font-size: 1.3rem; } .static-page p { font-size: 0.85rem; } } @media (width <= 480px) { .static-page h2 { font-size: 1.15rem; } .contact-card { padding: 14px; } } @media (width <= 413px) { .contact-card { flex-direction: column; align-items: flex-start; gap: 8px; } .contact-icon { font-size: 1.5rem; } } /* ── Social grid ── */ @media (width <= 413px) { .social-grid { grid-template-columns: 1fr; } } @media (width >= 414px) { .social-grid { grid-template-columns: repeat(2, 1fr); } } @media (width <= 413px) { .social-card { padding: 20px 16px; gap: 4px; } .social-icon { font-size: 1.8rem; } } /* ── Metadata table → card layout on small screens ── */ @media (width <= 480px) { .meta-table, .meta-table tbody, .meta-table tr, .meta-table td { display: block; width: 100%; } .meta-table tr { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; margin-bottom: 8px; } .meta-table td { border: none; padding: 3px 0; display: flex; flex-wrap: wrap; gap: 4px; } .meta-table td:first-child { width: auto; white-space: normal; font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.5px; } .meta-table td:last-child { font-size: 0.75rem; } } /* ── 404 error page ── */ @media (width <= 480px) { .error-code { font-size: 4rem; } .error-title { font-size: 1.1rem; } .error-desc { font-size: 0.82rem; } .error-shapes { display: none; } } @media (width <= 359px) { .error-code { font-size: 3rem; } .error-title { font-size: 1rem; } } @media (width >= 481px) and (width <= 767px) { .error-shape { animation-duration: 40s; opacity: 0.03; } } /* ── Container padding breakpoints ── */ @media (width >= 414px) { .container { padding: 32px 20px; } } @media (width >= 768px) { .container { padding: 40px 32px; } } @media (width <= 359px) { .container { padding: 24px 12px; } } /* ── Sidebar refinements ── */ @media (width >= 768px) { .sidebar { left: -300px; width: 280px; } .sidebar.open { left: 0; } } /* ── Section gap tightening on small screens ── */ @media (width <= 480px) { section, .page > .card-form { margin-bottom: 14px; } .hero { padding: 32px 0; } .simple-top .simple-nav-links { display: none; } .simple-top { justify-content: space-between; } .simple-top-left { gap: 4px; } .simple-mode-switch { width: 44px; height: 44px; padding: 0; font-size: 1.3rem; justify-content: center; border-radius: 50%; overflow: hidden; } .simple-clear-area { text-align: right; padding: 4px 12px 0; } } /* ── Adequate tap target spacing on mobile ── */ @media (width <= 767px) { .card-form .form-group { margin-bottom: 14px; } .card-form .btn + .btn { margin-top: 8px; } .lang-option { padding: 10px 14px; min-height: 44px; display: flex; align-items: center; } .sidebar a, .sidebar .sidebar-item { min-height: 44px; display: flex; align-items: center; padding: 10px 16px; } .error-links a { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 14px; } } @media (width >= 481px) and (width <= 767px) { .hero { padding: 44px 0; } } /* ── General mobile tweaks ── */ @media (width <= 767px) { .card { padding: 18px; } .card .icon { font-size: 1.5rem; } .card h2 { font-size: 0.9rem; } .card p { font-size: 0.75rem; } .badge { font-size: 0.72rem; padding: 4px 12px; min-height: 28px; display: inline-flex; align-items: center; } /* Ensure minimum readable sizes */ .result { font-size: 0.75rem; } .nav-search input { font-size: 16px; } .footer-copy { font-size: 0.78rem; } } /* ── Mode selection overlay: scroll fix & sizing on mobile ── */ @media (width <= 480px) { .mode-select-overlay { padding: 12px; justify-content: flex-start; overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; } .mode-select-box { padding: 0 16px 32px; } .mode-select-box h1 { font-size: 1.3rem; } .mode-subtitle { font-size: 0.82rem; margin-bottom: 20px; } .mode-tagline { font-size: 0.76rem; margin-bottom: 20px; } .mode-logo { width: 56px; height: 56px; } .mode-cards { flex-direction: column; gap: 12px; } .mode-card { padding: 16px; } .mode-card-icon { font-size: 1.8rem; margin-bottom: 8px; } .mode-card h2 { font-size: 0.9rem; } .mode-card p { font-size: 0.76rem; } .mode-links { gap: 12px; } .mode-links a { font-size: 0.76rem; padding: 8px 0; display: inline-block; } .mode-social { gap: 8px; } .mode-social a { font-size: 0.72rem; } .mode-select-bar { padding: 6px 10px; } html:has(#modeSelect:not([style*="display: none"])), body:has(#modeSelect:not([style*="display: none"])) { overflow: auto; } } @media (width <= 360px) { .mode-select-overlay { padding: 8px; } .mode-select-box { padding: 0 10px 24px; } .mode-select-box h1 { font-size: 1.1rem; } .mode-tagline { font-size: 0.7rem; margin-bottom: 16px; } .mode-logo { width: 48px; height: 48px; } .mode-card { padding: 12px; } } /* ── Clamp-based fluid typography for modern browsers ── */ .hero h1 { font-size: clamp(1.4rem, 4.5vw, 2.5rem); } .hero p { font-size: clamp(0.82rem, 2.5vw, 1rem); } /* ── Responsive iframe / embedded content ── */ iframe, img, video { max-width: 100%; height: auto; } /* ── Touch-friendly overscroll ── */ .result, .nav-search .search-results { overscroll-behavior: contain; } /* ── Theme toggle & lang dropdown compact on small nav ── */ @media (width <= 767px) { .theme-btn { width: 44px; height: 44px; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; } .lang-btn { font-size: 0.85rem; padding: 10px 12px; min-width: 56px; min-height: 44px; display: flex; align-items: center; } .mode-switch-btn { min-height: 44px; display: flex; align-items: center; } nav .logo-img { height: 28px; } nav { padding: 8px 12px; gap: 8px; } .nav-left { gap: 8px; } } /* ── Card-form heading on small screens ── */ @media (width <= 413px) { .card-form h2 { font-size: 1.1rem; margin-bottom: 14px; } } /* ── Search results page mobile width ── */ @media (width <= 480px) { #page-search .search-result-item { padding: 12px 14px; } #page-search .search-result-title { font-size: 0.85rem; } #page-search .search-result-snippet { font-size: 0.72rem; } } /* ── Sidebar close button always usable ── */ .sidebar-close { min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center; } /* ── Nav items alignment on tight screens ── */ @media (width <= 767px) { .nav-left .theme-btn { display: none; } } @media (width <= 323px) { .nav-left .nav-search { display: none; } } @media (width <= 374px) { .nav-left .theme-btn { display: none; } } /* ═══════════════════════════════════════════════ ── Foldable & tri-fold device support ── Covers: cover screens (320-412px), inner displays (600-899px), and tri-fold fully open (900-1100px) ═══════════════════════════════════════════════ */ /* ── Extremely narrow foldable cover screens (320-359px) ── Samsung Z Fold 5/6/7 cover: 301-412px wide Hide non-essential nav items to prevent overflow */ @media (width <= 359px) { .simple-progress { gap: 1px; padding: 3px 4px; } .sp-step { font-size: 0.55rem; padding: 2px; gap: 2px; } .sp-step-text { max-width: 40px; } .sp-dot { width: 14px; height: 14px; font-size: 0.45rem; } .sp-line { min-width: 5px; width: 8px; margin: 0 1px; } } @media (width <= 323px) { .nav-left .lang-btn, .nav-left .nav-search { display: none; } .simple-top-right .lang-btn { display: none; } } /* ── Foldable inner displays & intermediate tablets (600-899px) ── Devices: Galaxy Z Fold series inner (619-832px wide), Pixel Fold inner (692-717px), Mix Fold 4 inner (~847px), Motorola Razr Fold inner (~850px) These viewports are nearly square (1:1 to 1.3:1 aspect ratio), too wide for phone layouts but too narrow/nearly square for desktop */ @media (width >= 600px) and (width <= 899px) { /* 2-column grid instead of 3 on near-square foldable screens */ .grid { grid-template-columns: repeat(2, 1fr); } /* Forms: max-width constraint so they don't stretch too wide */ .card-form { max-width: 560px; margin-left: auto; margin-right: auto; } /* C2PA type cards in 2-column grid */ #c2pa-write-types { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; } /* Hero text: moderate sizing for 1:1-ish viewports */ .hero h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); } .hero p { font-size: clamp(0.88rem, 1.8vw, 1rem); } /* Container fills screen on foldable inner displays */ .container { max-width: 100%; padding: 40px 32px; } /* Nav: slightly more spacing */ nav { padding: 10px 20px; } } /* ── Large foldable inner & tri-fold fully open (900-1100px) ── Devices: Galaxy Z TriFold fully open (~1080px wide), Surface Duo spanned mode (~1114px), large landscape foldables */ @media (width >= 900px) and (width <= 1100px) { /* 3-column grid back (was 2-col in 600-899 range) */ .grid { grid-template-columns: repeat(3, 1fr); } /* Wider container */ .container { max-width: 100%; padding: 48px 40px; } /* Forms with max-width centered */ .card-form { max-width: 650px; margin-left: auto; margin-right: auto; } /* Nav: comfortable spacing */ nav { padding: 12px 24px; } } /* ── Simplified mode: max-width centering on wide foldable screens ── */ @media (width >= 600px) { .simple-card { max-width: 620px; margin-left: auto; margin-right: auto; } } /* ── Back button text always visible on foldable wide screens ── */ @media (width >= 600px) { .back-btn-label { display: inline !important; } } /* ── Floating AI Assistant (mobile) ── */ @media (width <= 768px) { .ast-bubble, .ast-panel { display: none !important; } }