/* 环球旅记 - 移动端响应式样式 */

/* ============================================
   CSS Variables - Responsive Breakpoints
   ============================================ */
:root {
    /* Breakpoint values */
    --breakpoint-xs: 480px;
    --breakpoint-sm: 768px;
    --breakpoint-md: 1024px;
    --breakpoint-lg: 1280px;
    
    /* Touch target minimum size */
    --touch-target-min: 44px;
    
    /* Transition duration for mobile */
    --mobile-transition: 300ms;
    
    /* Mobile spacing */
    --mobile-gap: 16px;
    --mobile-padding: 16px;
    
    /* Mobile typography */
    --mobile-font-size-base: 16px;
    --mobile-font-size-min: 14px;
    --mobile-line-height: 1.6;
}

/* ============================================
   Base Mobile Styles (< 768px)
   ============================================ */
@media (max-width: 767px) {
    /* Body and typography - Requirements 4.4, 6.1, 6.3, 6.4 */
    body {
        font-size: var(--mobile-font-size-base);
        line-height: var(--mobile-line-height);
    }
    
    /* Ensure minimum 14px font size for body text (Requirement 4.4, 6.1) */
    p, span, li, td, th, label {
        font-size: max(var(--mobile-font-size-min), inherit);
    }
    
    /* ============================================
       Responsive Typography - Requirements 4.4, 6.1, 6.3, 6.4
       ============================================ */
    
    /* Body text minimum font size and line height */
    .post-content,
    .prose,
    article p,
    .story-content,
    .blog-content {
        font-size: var(--mobile-font-size-base) !important;
        line-height: var(--mobile-line-height) !important;
    }
    
    /* Ensure all body text has minimum 14px font size */
    .post-content p,
    .prose p,
    article p,
    .story-text,
    .card-text,
    .description {
        font-size: max(var(--mobile-font-size-min), 1rem) !important;
        line-height: var(--mobile-line-height) !important;
    }
    
    /* Post title font size - 1.5rem on mobile (Requirement 6.3) */
    .post-title,
    article h1,
    .blog-title,
    h1.text-4xl,
    h1.text-5xl,
    h1.md\:text-5xl,
    .hero-overlay + div h1,
    .relative.z-10 h1 {
        font-size: 1.5rem !important;
        line-height: 1.3 !important;
    }
    
    /* Post content headings */
    .post-content h2,
    .prose h2,
    article h2 {
        font-size: 1.25rem !important;
        line-height: 1.4 !important;
    }
    
    .post-content h3,
    .prose h3,
    article h3 {
        font-size: 1.125rem !important;
        line-height: 1.4 !important;
    }
    
    /* Story text minimum font size (Requirement 4.4) */
    #stories p,
    #stories .text-gray-600,
    .story-excerpt,
    .story-description {
        font-size: max(var(--mobile-font-size-min), inherit) !important;
        line-height: var(--mobile-line-height) !important;
    }
    
    /* Card titles on mobile */
    .card-title,
    .destination-card h3,
    .story-card h3,
    .post-card h3 {
        font-size: 1.125rem !important;
        line-height: 1.4 !important;
    }
    
    /* Ensure adequate line height for all text (Requirement 6.4) */
    .post-content,
    .prose,
    article,
    .story-content,
    .blog-content,
    .card-body {
        line-height: var(--mobile-line-height) !important;
    }
    
    /* Small text should still be readable */
    .text-sm,
    .text-xs,
    small,
    .meta,
    .date,
    .author-info {
        font-size: max(12px, inherit) !important;
        line-height: 1.5 !important;
    }
    
    /* Touch target minimum size for interactive elements */
    button,
    .btn,
    a.btn,
    input[type="submit"],
    input[type="button"],
    [role="button"] {
        min-height: var(--touch-target-min);
        min-width: var(--touch-target-min);
    }
    
    /* Navigation touch targets - ensure 44x44px minimum */
    .nav-link,
    .mobile-nav-link {
        min-height: var(--touch-target-min);
        min-width: var(--touch-target-min);
        padding: 12px 16px;
        display: flex;
        align-items: center;
    }
    
    /* Mobile menu button touch target */
    .mobile-menu-btn,
    #mobile-menu-btn {
        min-width: var(--touch-target-min);
        min-height: var(--touch-target-min);
        padding: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Close menu button touch target */
    .mobile-close-btn,
    #close-menu-btn {
        min-width: var(--touch-target-min);
        min-height: var(--touch-target-min);
        padding: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Hide desktop navigation */
    .desktop-nav,
    .hide-on-mobile {
        display: none !important;
    }
    
    /* Show mobile menu button */
    #mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        min-width: var(--touch-target-min);
        min-height: var(--touch-target-min);
    }
    
    /* Mobile menu panel styles */
    #mobile-menu .mobile-menu-panel {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        width: 288px; /* 72 * 4 = 288px (w-72) */
        max-width: 85vw;
        background-color: white;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
        transition: transform var(--mobile-transition) ease;
        overflow-y: auto;
        z-index: 51;
        transform: translateX(100%);
    }
    
    #mobile-menu.open .mobile-menu-panel {
        transform: translateX(0);
    }
    
    /* Mobile menu overlay */
    #mobile-menu .mobile-menu-overlay {
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--mobile-transition) ease, visibility var(--mobile-transition) ease;
    }
    
    #mobile-menu.open .mobile-menu-overlay {
        opacity: 1;
        visibility: visible;
    }
    
    /* Prevent body scroll when menu is open */
    body.menu-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
    }
    
    /* Mobile menu items touch targets - 44x44px minimum */
    #mobile-menu a,
    #mobile-menu .mobile-menu-panel a {
        min-height: var(--touch-target-min);
        padding: 12px 16px;
        display: flex;
        align-items: center;
        box-sizing: border-box;
    }
    
    /* Mobile menu navigation links */
    #mobile-menu .flex-col > a,
    #mobile-menu .mobile-menu-panel .flex-col > a {
        min-height: var(--touch-target-min);
        padding: 12px 16px;
        margin: 2px 0;
        border-radius: 8px;
        transition: background-color var(--mobile-transition) ease;
    }
    
    #mobile-menu .flex-col > a:hover,
    #mobile-menu .flex-col > a:focus {
        background-color: rgba(52, 152, 219, 0.1);
    }
    
    /* Mobile menu buttons (login, register) */
    #mobile-menu .btn {
        min-height: var(--touch-target-min);
        padding: 12px 16px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Container padding */
    .container {
        padding-left: var(--mobile-padding);
        padding-right: var(--mobile-padding);
    }
    
    /* Card grids - single column on mobile (< 768px) */
    /* Requirements 3.1, 3.4: Single column layout with 16px gap */
    .destination-grid,
    .post-grid,
    .card-grid,
    .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-3,
    .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-3.xl\:grid-cols-4,
    .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-4 {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: var(--mobile-gap) !important;
    }
    
    /* Card image heights - 200px on mobile (Requirement 3.2) */
    .destination-card .destination-img,
    .destination-card img,
    .destination-card .relative.overflow-hidden img,
    .destination-card .relative.overflow-hidden.h-80 {
        height: 200px !important;
        object-fit: cover;
    }
    
    /* Override Tailwind h-80 class for destination cards on mobile */
    .destination-card .h-80,
    .destination-card .relative.overflow-hidden.h-80 {
        height: 200px !important;
    }
    
    /* ============================================
       Travel Stories Section - Mobile Styles
       Requirements: 4.1, 4.2, 4.3
       ============================================ */
    
    /* Stack featured story and story list vertically (Requirement 4.1) */
    #stories .flex.flex-col.lg\:flex-row,
    section#stories .flex.flex-col.lg\:flex-row {
        flex-direction: column !important;
    }
    
    /* Make both columns full width on mobile */
    #stories .w-full.lg\:w-3\/5,
    #stories .w-full.lg\:w-2\/5 {
        width: 100% !important;
    }
    
    /* Featured story image height - 300px on mobile (Requirement 4.2) */
    #stories .w-full.lg\:w-3\/5 img,
    #stories .w-full.lg\:w-3\/5 .h-\[500px\] {
        height: 300px !important;
        object-fit: cover;
    }
    
    /* Convert horizontal story items to vertical card layout (Requirement 4.3) */
    #stories .w-full.lg\:w-2\/5 .flex.bg-white,
    #stories .space-y-6 > div.flex {
        flex-direction: column !important;
    }
    
    /* Story item image - full width when vertical */
    #stories .w-full.lg\:w-2\/5 .flex.bg-white .w-1\/3,
    #stories .space-y-6 > div.flex .w-1\/3 {
        width: 100% !important;
    }
    
    #stories .w-full.lg\:w-2\/5 .flex.bg-white .w-1\/3 img,
    #stories .space-y-6 > div.flex .w-1\/3 img {
        height: 180px !important;
        width: 100% !important;
        object-fit: cover;
    }
    
    /* Story item content - full width when vertical */
    #stories .w-full.lg\:w-2\/5 .flex.bg-white .w-2\/3,
    #stories .space-y-6 > div.flex .w-2\/3 {
        width: 100% !important;
    }
    
    /* Form elements full width */
    .form-input,
    .form-control,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="search"],
    textarea,
    select {
        width: 100%;
        min-height: var(--touch-target-min);
        padding: 12px 16px;
    }
    
    /* Submit buttons full width */
    .form-button,
    input[type="submit"],
    button[type="submit"],
    .btn-submit {
        width: 100%;
        min-height: var(--touch-target-min);
    }
    
    /* ============================================
       Animation & Performance Optimizations
       Requirements: 12.1, 12.2
       ============================================ */
    
    /* Transitions limited to 300ms or less (Requirement 12.1) */
    * {
        transition-duration: var(--mobile-transition) !important;
    }
    
    /* Ensure specific transition properties also respect the limit */
    *,
    *::before,
    *::after {
        transition-timing-function: ease-out;
    }
    
    /* Disable complex animations for performance (Requirement 12.2) */
    .animate-float,
    .animate-bounce,
    .animate-pulse,
    .animate-spin,
    .animate-ping,
    [class*="animate-"],
    [class*="animation-"] {
        animation: none !important;
        animation-duration: 0s !important;
    }
    
    /* Disable CSS keyframe animations on mobile for performance */
    @keyframes float { from, to { transform: none; } }
    @keyframes bounce { from, to { transform: none; } }
    @keyframes pulse { from, to { opacity: 1; } }
    
    /* Reduce motion for users who prefer it */
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
    }
    
    /* Optimize transform and opacity transitions for GPU acceleration */
    .mobile-menu-panel,
    .mobile-search-container,
    #mobile-menu .mobile-menu-panel,
    #mobile-search-panel .mobile-search-container {
        will-change: transform;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
    
    /* Ensure smooth but fast transitions for interactive elements */
    button,
    .btn,
    a,
    input,
    select,
    textarea {
        transition-property: background-color, border-color, color, box-shadow, transform;
        transition-duration: var(--mobile-transition);
        transition-timing-function: ease-out;
    }
    
    /* Disable hover animations on touch devices */
    @media (hover: none) and (pointer: coarse) {
        *:hover {
            transition-duration: 0ms !important;
        }
    }
    
    /* ============================================
       Scroll-based Navbar Behavior
       Requirements: 12.3
       ============================================ */
    
    /* Navbar scroll hide/show animation */
    #navbar,
    nav#navbar,
    header nav,
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 50;
        transition: transform var(--mobile-transition) ease-out !important;
        will-change: transform;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
    
    /* Navbar hidden state (applied via JavaScript) */
    #navbar.navbar-hidden,
    nav.navbar-hidden,
    .navbar.navbar-hidden {
        transform: translateY(-100%) !important;
    }
    
    /* Navbar visible state */
    #navbar.navbar-visible,
    nav.navbar-visible,
    .navbar.navbar-visible {
        transform: translateY(0) !important;
    }
    
    /* Ensure body has padding to account for fixed navbar */
    body {
        padding-top: 64px; /* Adjust based on navbar height */
    }
    
    /* When menu is open, keep navbar visible */
    body.menu-open #navbar,
    body.menu-open nav#navbar,
    body.menu-open .navbar {
        transform: translateY(0) !important;
    }
}

/* ============================================
   Mobile Carousel Styles (< 768px)
   ============================================ */
@media (max-width: 767px) {
    /* Carousel height - 70vh on mobile (Requirement 2.1) */
    .carousel {
        height: calc(70vh + 64px) !important; /* 增加高度以补偿负margin */
        min-height: 464px; /* 400px + 64px */
        margin-top: -64px !important; /* 抵消body的padding-top，让轮播图紧贴导航栏 */
        padding-top: 0 !important;
    }
    
    .carousel-inner {
        height: 100%;
    }
    
    .carousel-item {
        height: 100%;
    }
    
    /* Carousel caption typography (Requirement 2.2) */
    .carousel-caption h2,
    .carousel-caption .text-6xl,
    .carousel-caption .md\:text-8xl {
        font-size: 2rem !important;
        line-height: 1.2;
        margin-bottom: 0.75rem;
    }
    
    .carousel-caption p,
    .carousel-caption .text-xl,
    .carousel-caption .md\:text-2xl {
        font-size: 1rem !important;
        line-height: 1.4;
        margin-bottom: 1rem;
    }
    
    /* Carousel caption positioning */
    .carousel-caption {
        width: 90% !important;
        padding: 0 16px;
    }
    
    /* Stack carousel buttons vertically (Requirement 2.3) */
    .carousel-caption .flex,
    .carousel-caption .flex.justify-center {
        flex-direction: column !important;
        align-items: center !important;
        gap: 12px !important;
    }
    
    .carousel-caption .flex > a,
    .carousel-caption .flex > .btn {
        width: 100% !important;
        max-width: 280px;
        margin: 0 !important;
        text-align: center;
        justify-content: center;
    }
    
    /* Remove horizontal spacing between buttons */
    .carousel-caption .space-x-4 > * + * {
        margin-left: 0 !important;
    }
    
    /* Carousel control buttons - 44x44px minimum (Requirement 2.4) */
    .carousel-control,
    .carousel-prev,
    .carousel-next {
        width: var(--touch-target-min) !important;
        height: var(--touch-target-min) !important;
        min-width: var(--touch-target-min);
        min-height: var(--touch-target-min);
    }
    
    .carousel-prev {
        left: 10px;
    }
    
    .carousel-next {
        right: 10px;
    }
    
    /* Hide scroll-down arrow on mobile (Requirement 2.5) */
    .scroll-arrow,
    #scrollToDestinations {
        display: none !important;
    }
    
    /* Search container in carousel */
    .carousel .search-container {
        max-width: 100%;
        padding: 0 16px;
    }
    
    .carousel .search-input {
        font-size: 14px;
        padding: 12px 16px;
    }
    
    .carousel .search-btn {
        padding: 10px 16px;
        font-size: 14px;
    }
}

/* ============================================
   Small Mobile Styles (< 480px)
   ============================================ */
@media (max-width: 479px) {
    /* Extra small screen adjustments */
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    /* Tip cards single column on very small screens */
    .tip-grid {
        grid-template-columns: 1fr;
    }
    
    /* Even smaller carousel caption on very small screens */
    .carousel-caption h2,
    .carousel-caption .text-6xl {
        font-size: 1.75rem !important;
    }
    
    .carousel-caption p,
    .carousel-caption .text-xl {
        font-size: 0.9rem !important;
    }
}

/* ============================================
   Tablet Styles (768px - 1023px)
   ============================================ */
@media (min-width: 768px) and (max-width: 1023px) {
    /* Two column layout for cards (Requirement 3.3) */
    .destination-grid,
    .post-grid,
    .card-grid,
    .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-3,
    .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-3.xl\:grid-cols-4,
    .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-4 {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--mobile-gap) !important;
    }
    
    /* Tip cards two columns */
    .tip-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Destination card image height on tablet - maintain 280px */
    .destination-card .destination-img,
    .destination-card img {
        height: 280px;
        object-fit: cover;
    }
}

/* ============================================
   Desktop Styles (>= 1024px)
   ============================================ */
@media (min-width: 1024px) {
    /* Hide mobile menu button on desktop */
    #mobile-menu-btn {
        display: none !important;
    }
    
    /* Show desktop navigation */
    .desktop-nav {
        display: flex !important;
    }
    
    /* Three column layout for cards */
    .destination-grid,
    .post-grid,
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   Utility Classes
   ============================================ */
/* Full width on mobile */
@media (max-width: 767px) {
    .mobile-full-width {
        width: 100% !important;
    }
    
    .mobile-stack {
        flex-direction: column !important;
    }
    
    .mobile-center {
        text-align: center !important;
        justify-content: center !important;
    }
    
    .mobile-hidden {
        display: none !important;
    }
}

/* Show only on mobile */
.mobile-only {
    display: none;
}

@media (max-width: 767px) {
    .mobile-only {
        display: block;
    }
}

/* ============================================
   Fallback for backdrop-filter
   ============================================ */
@supports not (backdrop-filter: blur(8px)) {
    .mobile-nav-panel,
    #mobile-menu > div {
        background-color: rgba(255, 255, 255, 0.98);
    }
}

/* ============================================
   Blog Posts List Page - Mobile Responsive
   Requirements: 8.2
   ============================================ */
@media (max-width: 767px) {
    /* Post cards grid - single column on mobile (Requirement 8.2) */
    .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-3,
    .post-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    /* Post card styling on mobile */
    .post-card {
        margin-bottom: 0;
    }
    
    /* Post card image height on mobile */
    .post-card .post-image,
    .post-card img.post-image {
        height: 200px !important;
        object-fit: cover;
    }
    
    /* Post card content padding */
    .post-card .p-6 {
        padding: 16px !important;
    }
    
    /* Post card title */
    .post-card h2 {
        font-size: 1.125rem !important;
        line-height: 1.4 !important;
    }
    
    /* Post card description */
    .post-card p.text-gray-600 {
        font-size: 14px !important;
        line-height: 1.6 !important;
    }
    
    /* Pagination - touch targets 44x44px minimum (Requirement 8.2) */
    .pagination-link {
        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
        min-height: 44px !important;
        margin: 0 4px !important;
        font-size: 14px;
    }
    
    /* Pagination container */
    .flex.flex-wrap.items-center {
        gap: 4px;
        justify-content: center;
    }
    
    /* Filter/sort buttons - touch targets */
    .flex.items-center.space-x-2 a {
        min-height: 44px !important;
        padding: 10px 16px !important;
        display: inline-flex;
        align-items: center;
    }
    
    /* Create post button full width on mobile */
    a.inline-flex.items-center.bg-primary {
        width: 100%;
        justify-content: center;
        margin-top: 12px;
    }
    
    /* Filter section stack on mobile */
    .flex.flex-wrap.justify-between.items-center.mb-8 {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px;
    }
    
    .flex.flex-wrap.justify-between.items-center.mb-8 > .flex.items-center {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    /* Search form on posts page */
    .max-w-2xl.mx-auto.mt-8 form.flex {
        flex-direction: column;
        gap: 8px;
    }
    
    .max-w-2xl.mx-auto.mt-8 input[type="text"] {
        border-radius: 8px !important;
        min-height: 44px;
    }
    
    .max-w-2xl.mx-auto.mt-8 button[type="submit"] {
        border-radius: 8px !important;
        min-height: 44px;
        width: 100%;
    }
    
    /* Page header adjustments */
    .bg-gray-50.py-12.mb-8 {
        padding: 24px 0 !important;
        margin-bottom: 16px !important;
    }
    
    .bg-gray-50.py-12.mb-8 h1 {
        font-size: 1.75rem !important;
    }
    
    .bg-gray-50.py-12.mb-8 p {
        font-size: 14px !important;
        padding: 0 16px;
    }
}

/* ============================================
   Blog Post Detail Page - Mobile Responsive
   Requirements: 6.1, 6.2, 6.3, 6.4, 6.5
   ============================================ */
@media (max-width: 767px) {
    /* Post hero section height adjustment */
    section.relative.h-\[420px\],
    .post-hero {
        height: 280px !important;
    }
    
    /* Post title - 1.5rem on mobile (Requirement 6.3) */
    section.relative h1,
    .post-hero h1,
    .relative.z-10 h1.text-4xl {
        font-size: 1.5rem !important;
        line-height: 1.3 !important;
        padding: 0 8px;
    }
    
    /* Post content responsive typography - 16px base (Requirement 6.1) */
    .post-content {
        font-size: 16px !important;
        line-height: 1.8 !important;
    }
    
    .post-content p {
        font-size: 16px !important;
        line-height: 1.8 !important;
        margin-bottom: 1.25rem;
    }
    
    /* Post content headings on mobile */
    .post-content h2 {
        font-size: 1.25rem !important;
        margin-top: 1.5rem;
        margin-bottom: 0.75rem;
    }
    
    .post-content h3 {
        font-size: 1.125rem !important;
        margin-top: 1.25rem;
        margin-bottom: 0.5rem;
    }
    
    /* Post images - scale to fit viewport maintaining aspect ratio (Requirement 6.2) */
    .post-content img {
        width: 100% !important;
        height: auto !important;
        max-width: 100% !important;
        object-fit: contain;
        margin: 1rem 0;
    }
    
    /* Post gallery images on mobile */
    .grid.grid-cols-2.md\:grid-cols-3 {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    .grid.grid-cols-2.md\:grid-cols-3 a.col-span-2.md\:col-span-3 {
        grid-column: span 1 !important;
    }
    
    .grid.grid-cols-2.md\:grid-cols-3 img {
        height: 200px !important;
        width: 100% !important;
        object-fit: cover;
    }
    
    /* Featured gallery image on mobile */
    .grid.grid-cols-2.md\:grid-cols-3 a.col-span-2.md\:col-span-3 img {
        height: 250px !important;
    }
    
    /* Post metadata - stack vertically on mobile (Requirement 6.5) */
    .post-meta,
    section.relative .flex.flex-wrap.justify-center.gap-4,
    .relative.z-10 .flex.flex-wrap.justify-center {
        flex-direction: column !important;
        align-items: center !important;
        gap: 8px !important;
    }
    
    .post-meta span,
    section.relative .flex.flex-wrap span {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Post grid layout - stack sidebar below content on mobile */
    .grid.lg\:grid-cols-12 {
        display: flex !important;
        flex-direction: column !important;
    }
    
    .grid.lg\:grid-cols-12 > article.lg\:col-span-8,
    .grid.lg\:grid-cols-12 > aside.lg\:col-span-4 {
        width: 100% !important;
    }
    
    /* Post action buttons - ensure touch targets */
    .action-btn,
    .like-btn,
    #like-btn,
    #bookmark-btn {
        min-height: 44px !important;
        min-width: 44px !important;
        padding: 10px 16px !important;
    }
    
    /* Share buttons - ensure touch targets */
    .share-btn,
    a.share-btn {
        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
        min-height: 44px !important;
    }
    
    /* Post action bar - stack on mobile */
    .flex.items-center.justify-between.border-t.border-b {
        flex-direction: column !important;
        gap: 16px !important;
        padding: 16px 0 !important;
    }
    
    .flex.items-center.justify-between.border-t.border-b > .flex.items-center {
        width: 100%;
        justify-content: center;
    }
    
    /* Share section centering on mobile */
    .flex.items-center.space-x-2:has(.share-btn) {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    /* Author card on mobile */
    .bg-white.rounded-xl.shadow-sm.p-6.text-center {
        padding: 20px 16px !important;
    }
    
    /* Related stories on mobile */
    aside .space-y-4 a.flex {
        padding: 8px 0;
    }
    
    aside .space-y-4 .w-16.h-16 {
        width: 60px !important;
        height: 60px !important;
        flex-shrink: 0;
    }
    
    /* Back button touch target */
    a.absolute.top-5.left-5 {
        min-width: 44px !important;
        min-height: 44px !important;
        padding: 10px 12px !important;
    }
    
    /* Adequate line height for body text (Requirement 6.4) */
    .post-content,
    .prose,
    .prose-lg {
        line-height: 1.8 !important;
    }
    
    /* Blockquotes on mobile */
    .post-content blockquote {
        padding-left: 12px;
        margin: 1rem 0;
        font-size: 15px;
    }
}

/* ============================================
   Mobile Search UI - Responsive
   Requirements: 8.1, 8.2, 8.3
   ============================================ */
@media (max-width: 767px) {
    /* Mobile search button - 44x44px touch target (Requirement 8.3) */
    .mobile-search-btn,
    #mobile-search-btn {
        min-width: var(--touch-target-min);
        min-height: var(--touch-target-min);
        padding: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        cursor: pointer;
        transition: color var(--mobile-transition) ease;
    }
    
    .mobile-search-btn:hover,
    .mobile-search-btn:focus {
        color: var(--primary-color, #3498db);
    }
    
    /* Mobile search panel - expandable from top (Requirement 8.1) */
    #mobile-search-panel {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 60;
        pointer-events: none;
    }
    
    #mobile-search-panel.open {
        pointer-events: auto;
    }
    
    .mobile-search-container {
        background-color: white;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        padding: 16px;
        transform: translateY(-100%);
        transition: transform var(--mobile-transition) ease;
    }
    
    #mobile-search-panel.open .mobile-search-container {
        transform: translateY(0);
    }
    
    /* Mobile search input - 44px minimum height (Requirement 8.3) */
    .mobile-search-input,
    #mobile-search-input {
        min-height: var(--touch-target-min) !important;
        height: var(--touch-target-min);
        padding: 12px 16px !important;
        font-size: 16px !important; /* Prevents zoom on iOS */
        border: 1px solid #d1d5db;
        border-radius: 8px 0 0 8px;
        flex: 1 1 0% !important; /* 让输入框占满剩余空间 */
        width: auto !important;
        min-width: 0 !important; /* 允许输入框收缩 */
        box-sizing: border-box;
    }
    
    .mobile-search-input:focus {
        outline: none;
        border-color: var(--primary-color, #3498db);
        box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
    }
    
    /* Mobile search submit button - 固定小尺寸 */
    .mobile-search-submit {
        width: 44px !important;
        min-width: 44px !important;
        max-width: 44px !important; /* 固定宽度 */
        min-height: var(--touch-target-min) !important;
        height: var(--touch-target-min);
        padding: 0 !important;
        border-radius: 0 8px 8px 0;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0 !important;
        flex-grow: 0 !important;
    }
    
    /* 移动端搜索表单布局优化 */
    #mobile-search-panel form {
        display: flex;
        align-items: center;
        gap: 0;
        width: 100%;
        flex-wrap: nowrap;
        min-width: 0;
    }

    #mobile-search-panel form.flex.items-center {
        height: auto !important;
    }

    #mobile-search-panel form.flex.items-center button.search-btn {
        padding: 0 !important;
        width: 44px !important;
        min-width: 44px !important;
        max-width: 44px !important;
    }
    
    /* Mobile search close button - 固定小尺寸 */
    .mobile-search-close,
    #mobile-search-close {
        width: 44px !important;
        min-width: 44px !important;
        max-width: 44px !important;
        min-height: var(--touch-target-min) !important;
        height: var(--touch-target-min);
        padding: 0 !important;
        margin-left: 8px !important;
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        cursor: pointer;
        border-radius: 8px;
        flex-shrink: 0 !important;
        flex-grow: 0 !important;
        transition: background-color var(--mobile-transition) ease;
    }
    
    .mobile-search-close:hover,
    .mobile-search-close:focus {
        background-color: rgba(0, 0, 0, 0.05);
    }
    
    /* Search overlay when panel is open */
    #mobile-search-panel::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.3);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--mobile-transition) ease, visibility var(--mobile-transition) ease;
        z-index: -1;
    }
    
    #mobile-search-panel.open::before {
        opacity: 1;
        visibility: visible;
    }
}

/* ============================================
   Search Results Page - Mobile Responsive
   Requirements: 8.2
   ============================================ */
@media (max-width: 767px) {
    /* Search results grid - single column on mobile (Requirement 8.2) */
    .search-results-grid,
    .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-3 {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    /* Search results page header */
    .bg-gray-50.py-12.mb-8 h1 {
        font-size: 1.5rem !important;
        padding: 0 8px;
    }
    
    /* Search form on results page - stack vertically */
    .max-w-2xl.mx-auto.mt-8 form.flex {
        flex-direction: row;
    }
    
    .max-w-2xl.mx-auto.mt-8 input[type="text"],
    .max-w-2xl.mx-auto.mt-8 input[type="search"] {
        min-height: var(--touch-target-min) !important;
        padding: 12px 16px !important;
        font-size: 16px !important;
        border-radius: 8px 0 0 8px !important;
    }
    
    .max-w-2xl.mx-auto.mt-8 button[type="submit"] {
        min-height: var(--touch-target-min) !important;
        min-width: var(--touch-target-min) !important;
        padding: 12px 16px !important;
        border-radius: 0 8px 8px 0 !important;
    }
    
    /* Search result cards on mobile */
    .post-card {
        margin-bottom: 0;
    }
    
    .post-card .post-image {
        height: 200px !important;
        object-fit: cover;
    }
    
    /* No results message styling */
    .py-16.text-center {
        padding: 48px 16px !important;
    }
    
    .py-16.text-center h3 {
        font-size: 1.125rem !important;
    }
    
    .py-16.text-center p {
        font-size: 14px !important;
    }
    
    /* Browse all button - full width on mobile */
    .py-16.text-center a.inline-flex {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* ============================================
   Authentication Forms - Mobile Responsive
   Requirements: 5.1, 5.2, 5.3, 5.4
   ============================================ */
@media (max-width: 767px) {
    /* Center form container on mobile (Requirement 5.3) */
    .auth-form {
        width: 100%;
        max-width: 100%;
    }
    
    /* Form inputs full width with appropriate padding (Requirement 5.1) */
    .auth-input,
    .auth-form input[type="text"],
    .auth-form input[type="email"],
    .auth-form input[type="password"],
    .auth-form input[type="tel"],
    .auth-form textarea,
    .auth-form select {
        width: 100% !important;
        min-height: 44px !important;
        padding: 12px 16px !important;
        font-size: 16px !important; /* Prevents zoom on iOS */
        box-sizing: border-box;
    }
    
    /* Submit button full width (Requirement 5.4) */
    .auth-submit,
    .auth-form button[type="submit"],
    .auth-form input[type="submit"] {
        width: 100% !important;
        min-height: 44px !important;
        padding: 12px 16px !important;
        font-size: 16px !important;
    }
    
    /* Form container centering and margins (Requirement 5.3) */
    .auth-form-container,
    .w-full.max-w-md {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 16px;
        margin: 0 auto;
    }
    
    /* Profile page form adjustments */
    .profile-form input,
    .profile-form textarea,
    .profile-form select {
        width: 100% !important;
        min-height: 44px !important;
        padding: 12px 16px !important;
        font-size: 16px !important;
    }
    
    .profile-form button[type="submit"] {
        width: 100% !important;
        min-height: 44px !important;
    }
    
    /* Profile page grid - stack vertically on mobile */
    .profile-form .grid.grid-cols-1.md\:grid-cols-3 {
        grid-template-columns: 1fr !important;
    }
    
    /* Profile avatar section centering */
    .profile-form .flex.flex-col.items-center {
        margin-bottom: 24px;
    }
    
    /* Avatar upload button full width on mobile */
    .profile-form label.cursor-pointer {
        width: 100% !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
}


/* ============================================
   Footer - Mobile Responsive
   Requirements: 7.1, 7.2, 7.3, 7.4
   ============================================ */
@media (max-width: 767px) {
    /* Footer container padding */
    footer {
        padding-top: 32px !important;
        padding-bottom: 24px !important;
    }
    
    /* Stack footer columns vertically (Requirement 7.1) */
    footer .grid,
    footer .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-4 {
        display: flex !important;
        flex-direction: column !important;
        gap: 32px !important;
    }
    
    /* Center-align footer content (Requirement 7.2) */
    footer .grid > div {
        text-align: center !important;
    }
    
    /* Center logo and social icons */
    footer .grid > div:first-child {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    footer .grid > div:first-child a.flex {
        justify-content: center;
    }
    
    /* Center social icons container */
    footer .flex.space-x-4 {
        justify-content: center !important;
    }
    
    /* Footer section headings */
    footer h3 {
        text-align: center !important;
        margin-bottom: 16px !important;
    }
    
    /* Footer links list - center aligned with 12px spacing (Requirement 7.3) */
    footer ul {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
    }
    
    footer ul.space-y-2 {
        gap: 12px !important;
    }
    
    footer ul.space-y-2 > li {
        margin: 0 !important;
    }
    
    footer ul li {
        margin-bottom: 0 !important;
    }
    
    footer ul li a {
        display: inline-block;
        padding: 6px 0;
        min-height: 32px;
        line-height: 1.5;
    }
    
    /* Newsletter form - stack vertically (Requirement 7.4) */
    footer form.flex {
        flex-direction: column !important;
        gap: 12px !important;
    }
    
    /* Newsletter input full width */
    footer form input[type="email"] {
        width: 100% !important;
        min-height: 44px !important;
        padding: 12px 16px !important;
        border-radius: 8px !important;
        font-size: 16px !important;
    }
    
    /* Newsletter button full width */
    footer form button[type="submit"] {
        width: 100% !important;
        min-height: 44px !important;
        padding: 12px 16px !important;
        border-radius: 8px !important;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Newsletter description text */
    footer .grid > div:last-child p {
        text-align: center !important;
        margin-bottom: 16px !important;
    }
    
    /* Footer bottom copyright section */
    footer .border-t {
        padding-top: 24px !important;
        margin-top: 24px !important;
    }
    
    footer .border-t p {
        text-align: center !important;
        font-size: 14px !important;
    }
    
    /* Social icons touch targets */
    footer .flex.space-x-4 a {
        min-width: 44px !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
}


/* ============================================
   User Profile Page - Mobile Responsive
   Requirements: 9.1, 9.3
   ============================================ */
@media (max-width: 767px) {
    /* Profile header container */
    .profile-header {
        border-radius: 8px;
    }
    
    /* Profile cover image - reduced height on mobile */
    .profile-cover {
        height: 150px !important;
    }
    
    /* Center profile avatar on mobile (Requirement 9.1) */
    .profile-avatar {
        width: 100px !important;
        height: 100px !important;
        margin-top: -50px !important;
        margin-left: auto !important;
        margin-right: auto !important;
        display: block !important;
    }
    
    /* Stack profile information vertically (Requirement 9.1) */
    .profile-header .flex.flex-col.md\:flex-row {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
    }
    
    /* Profile info section - center on mobile */
    .profile-header .text-center.md\:text-left {
        text-align: center !important;
    }
    
    /* Profile name and location centering */
    .profile-header .mt-4.md\:mt-6 {
        text-align: center !important;
    }
    
    .profile-header .mt-4.md\:mt-6 h1 {
        font-size: 1.5rem !important;
    }
    
    /* Bio section - full width on mobile */
    .profile-header .flex-1.mt-6.md\:mt-0.md\:ml-8 {
        width: 100% !important;
        margin-left: 0 !important;
        margin-top: 20px !important;
    }
    
    /* About me box */
    .profile-header .bg-white.p-4.rounded-lg {
        padding: 16px !important;
        text-align: center !important;
    }
    
    /* Social stats - center on mobile */
    .profile-header .flex.flex-wrap.justify-center.md\:justify-start {
        justify-content: center !important;
        width: 100% !important;
    }
    
    .social-stat {
        padding: 8px 16px !important;
        min-width: 80px;
    }
    
    .social-stat .text-2xl {
        font-size: 1.5rem !important;
    }
    
    /* Make action buttons full width on mobile (Requirement 9.3) */
    .profile-header .mt-6.md\:mt-0.flex.justify-center.md\:justify-end {
        width: 100% !important;
        margin-top: 20px !important;
        justify-content: center !important;
    }
    
    .profile-header .mt-6.md\:mt-0.flex.justify-center.md\:justify-end a,
    .profile-header a.bg-primary {
        width: 100% !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        padding: 12px 16px !important;
    }
    
    /* Tab navigation - scrollable on mobile */
    .mb-6.border-b.border-gray-200 {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .mb-6.border-b.border-gray-200 .flex.flex-wrap {
        flex-wrap: nowrap !important;
        min-width: max-content;
    }
    
    /* Tab buttons - touch targets */
    .tab-btn {
        min-height: 44px !important;
        padding: 12px 16px !important;
        white-space: nowrap;
        font-size: 14px !important;
    }
    
    /* Recent posts section header */
    .flex.items-center.justify-between.mb-6 {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }
    
    .flex.items-center.justify-between.mb-6 h2 {
        font-size: 1.25rem !important;
    }
    
    /* Post cards grid - single column on mobile */
    .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-3.gap-6 {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    /* Post card styling on profile page */
    .post-card {
        border-radius: 12px;
    }
    
    .post-card .post-image {
        height: 200px !important;
    }
    
    .post-card .p-4 {
        padding: 16px !important;
    }
    
    .post-card h3 {
        font-size: 1rem !important;
    }
    
    /* Empty state - full width button */
    .bg-white.rounded-lg.p-8.text-center a.inline-block {
        width: 100% !important;
        max-width: 280px !important;
        min-height: 44px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* Popular locations grid - 2 columns on mobile */
    .grid.grid-cols-2.md\:grid-cols-3.lg\:grid-cols-4.gap-4 {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    
    /* Location card styling */
    .grid.grid-cols-2.md\:grid-cols-3.lg\:grid-cols-4.gap-4 > div {
        padding: 12px !important;
    }
    
    .grid.grid-cols-2.md\:grid-cols-3.lg\:grid-cols-4.gap-4 h3 {
        font-size: 14px !important;
    }
    
    .grid.grid-cols-2.md\:grid-cols-3.lg\:grid-cols-4.gap-4 p {
        font-size: 12px !important;
    }
}

/* ============================================
   User Posts Page - Mobile Responsive
   Requirements: 9.2
   ============================================ */
@media (max-width: 767px) {
    /* Page header - stack on mobile */
    .flex.items-center.justify-between.mb-6 {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 16px !important;
    }
    
    .flex.items-center.justify-between.mb-6 h1 {
        font-size: 1.5rem !important;
        text-align: center !important;
    }
    
    /* Create post button - full width on mobile */
    .flex.items-center.justify-between.mb-6 a.bg-primary {
        width: 100% !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* User posts grid - single column on mobile (Requirement 9.2) */
    .grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-3.gap-6 {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    /* Post card image height */
    .post-card .post-image {
        height: 200px !important;
        object-fit: cover;
    }
    
    /* Post card content padding */
    .post-card .p-6 {
        padding: 16px !important;
    }
    
    /* Post card title */
    .post-card h3.text-xl {
        font-size: 1.125rem !important;
    }
    
    /* Post card actions - ensure touch targets */
    .post-card .flex.space-x-2 a,
    .post-card .flex.space-x-2 button {
        min-width: 44px !important;
        min-height: 44px !important;
        padding: 10px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* Pagination - touch targets 44x44px */
    .pagination-link {
        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
        min-height: 44px !important;
        margin: 0 4px !important;
    }
    
    /* Pagination container centering */
    .mt-12.flex.justify-center .flex.flex-wrap.items-center {
        gap: 4px;
        justify-content: center;
    }
    
    /* Empty state styling */
    .bg-white.rounded-lg.p-8.text-center {
        padding: 32px 16px !important;
    }
    
    .bg-white.rounded-lg.p-8.text-center h3 {
        font-size: 1.125rem !important;
    }
    
    .bg-white.rounded-lg.p-8.text-center p {
        font-size: 14px !important;
    }
    
    /* Empty state button - full width */
    .bg-white.rounded-lg.p-8.text-center a.inline-flex {
        width: 100% !important;
        max-width: 280px !important;
        min-height: 44px !important;
        justify-content: center !important;
    }
    
    /* Delete modal - mobile friendly */
    #deletePostModal .bg-white.rounded-xl {
        margin: 16px !important;
        padding: 20px !important;
        max-width: calc(100% - 32px) !important;
    }
    
    #deletePostModal h3 {
        font-size: 1.125rem !important;
    }
    
    #deletePostModal .flex.justify-end {
        flex-direction: column-reverse !important;
        gap: 12px !important;
    }
    
    #deletePostModal button,
    #deletePostModal .px-4.py-2 {
        width: 100% !important;
        min-height: 44px !important;
        justify-content: center !important;
    }
}


/* ============================================
   Tips Page - Mobile Responsive
   Requirements: 10.1, 10.2, 10.3
   ============================================ */

/* Mobile styles for tip cards (480px - 767px) - Two column grid (Requirement 10.1) */
@media (min-width: 480px) and (max-width: 767px) {
    /* Featured tips grid - two columns on mobile (Requirement 10.1) */
    .tip-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }
    
    /* Latest tips grid - two columns on mobile */
    .tip-grid-latest {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }
    
    /* Latest tip cards - stack vertically within each card */
    .tip-grid-latest .tip-card {
        flex-direction: column !important;
    }
    
    .tip-grid-latest .tip-card img {
        width: 100% !important;
        height: 160px !important;
        object-fit: cover;
    }
    
    /* Tools grid - two columns on mobile */
    .tip-tools-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }
}

/* Small mobile styles (< 480px) - Single column grid (Requirement 10.2) */
@media (max-width: 479px) {
    /* Featured tips grid - single column on small mobile (Requirement 10.2) */
    .tip-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    /* Latest tips grid - single column on small mobile */
    .tip-grid-latest {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    /* Latest tip cards - stack vertically */
    .tip-grid-latest .tip-card {
        flex-direction: column !important;
    }
    
    .tip-grid-latest .tip-card img {
        width: 100% !important;
        height: 180px !important;
        object-fit: cover;
    }
    
    /* Tools grid - single column on small mobile */
    .tip-tools-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
}

/* Common mobile styles for tips page (< 768px) */
@media (max-width: 767px) {
    /* Tips page header */
    .bg-gray-50.py-12.mb-8 h1 {
        font-size: 1.75rem !important;
    }
    
    .bg-gray-50.py-12.mb-8 p {
        font-size: 14px !important;
        padding: 0 8px;
    }
    
    /* Category filter buttons - scrollable on mobile */
    .flex.flex-wrap.justify-center.gap-3.mb-12 {
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start !important;
        padding-bottom: 8px;
        margin-left: -16px;
        margin-right: -16px;
        padding-left: 16px;
        padding-right: 16px;
    }
    
    /* Category buttons - touch targets */
    .category-btn {
        min-height: 44px !important;
        padding: 10px 20px !important;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    /* Tip card styling on mobile */
    .tip-card {
        border-radius: 12px;
    }
    
    /* Tip card image height on mobile */
    .tip-card img {
        height: 180px !important;
        object-fit: cover;
    }
    
    /* Tip card content padding */
    .tip-card .p-6 {
        padding: 16px !important;
    }
    
    /* Tip card title */
    .tip-card h3 {
        font-size: 1rem !important;
        line-height: 1.4 !important;
        margin-bottom: 8px !important;
    }
    
    /* Tip card description */
    .tip-card p.text-gray-600 {
        font-size: 14px !important;
        line-height: 1.6 !important;
    }
    
    /* Tip card category badge */
    .tip-card .text-xs.px-3.py-1 {
        font-size: 11px !important;
        padding: 4px 10px !important;
    }
    
    /* Tip card read more link - touch target */
    .tip-card a.text-primary {
        min-height: 44px !important;
        display: inline-flex !important;
        align-items: center !important;
        padding: 8px 0 !important;
    }
    
    /* Section headings */
    .mb-16 h2.text-2xl {
        font-size: 1.25rem !important;
        margin-bottom: 16px !important;
    }
    
    /* Tools section styling */
    .bg-gray-50.rounded-xl.p-8.md\:p-12 {
        padding: 24px 16px !important;
        border-radius: 12px !important;
    }
    
    .bg-gray-50.rounded-xl h2 {
        font-size: 1.25rem !important;
        margin-bottom: 12px !important;
    }
    
    .bg-gray-50.rounded-xl > p {
        font-size: 14px !important;
        margin-bottom: 24px !important;
    }
    
    /* Tool cards - consistent icon sizes (Requirement 10.3) */
    .tip-tools-grid .bg-white {
        padding: 20px 16px !important;
        border-radius: 12px !important;
    }
    
    /* Tool icon container - consistent size (Requirement 10.3) */
    .tip-tools-grid .w-16.h-16 {
        width: 56px !important;
        height: 56px !important;
        margin-bottom: 12px !important;
    }
    
    /* Tool icon size - consistent (Requirement 10.3) */
    .tip-tools-grid .text-2xl {
        font-size: 1.5rem !important;
    }
    
    /* Tool card title */
    .tip-tools-grid h3 {
        font-size: 1rem !important;
        margin-bottom: 8px !important;
    }
    
    /* Tool card description */
    .tip-tools-grid p.text-gray-600 {
        font-size: 13px !important;
        line-height: 1.5 !important;
        margin-bottom: 12px !important;
    }
    
    /* Tool card link - touch target */
    .tip-tools-grid a.text-primary {
        min-height: 44px !important;
        display: inline-flex !important;
        align-items: center !important;
        padding: 8px 0 !important;
    }
    
    /* FAQ section styling */
    .space-y-4 {
        gap: 12px !important;
    }
    
    /* FAQ button - touch target */
    .faq-btn {
        min-height: 44px !important;
        padding: 12px 16px !important;
    }
    
    .faq-btn span {
        font-size: 14px !important;
        line-height: 1.4 !important;
    }
    
    /* FAQ answer content */
    .faq-answer {
        padding: 16px !important;
    }
    
    .faq-answer p {
        font-size: 14px !important;
        line-height: 1.6 !important;
    }
    
    /* Latest tip cards - horizontal layout adjustments */
    .tip-grid-latest .tip-card.flex.flex-col.md\:flex-row {
        flex-direction: column !important;
    }
    
    .tip-grid-latest .tip-card .w-full.md\:w-2\/5 {
        width: 100% !important;
    }
    
    .tip-grid-latest .tip-card .w-full.md\:w-2\/5 img {
        width: 100% !important;
        height: 160px !important;
    }
}

/* Tablet styles for tips page (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    /* Featured tips grid - two columns on tablet */
    .tip-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
    }
    
    /* Tools grid - two columns on tablet */
    .tip-tools-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
    }
}

/* ============================================
   Admin Dashboard - Mobile Responsive Styles
   Requirements: 11.1, 11.2, 11.3, 11.4
   ============================================ */
@media (max-width: 767px) {
    /* Admin table container - horizontal scrolling (Requirement 11.2) */
    .table-responsive,
    .overflow-x-auto,
    .admin-table-container {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        margin: 0 -12px;
        padding: 0 12px;
    }
    
    /* Admin data tables - enable horizontal scroll (Requirement 11.2) */
    .data-table,
    table.data-table,
    .admin-table {
        min-width: 600px !important;
        width: max-content;
    }
    
    /* Table cells padding adjustment for mobile */
    .data-table th,
    .data-table td,
    .table-header th,
    .table-body td {
        padding: 12px 10px !important;
        font-size: 0.875rem;
    }
    
    /* Admin form inputs - full width on mobile (Requirement 11.4) */
    .form-input,
    .form-control,
    .form-select,
    .search-input,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="search"],
    input[type="number"],
    textarea,
    select {
        width: 100% !important;
        min-height: 44px !important;
        padding: 12px 16px !important;
        font-size: 16px !important; /* Prevents zoom on iOS */
        box-sizing: border-box;
    }
    
    /* Admin action buttons - 44x44px minimum (Requirement 11.3) */
    .action-btn {
        min-width: 44px !important;
        min-height: 44px !important;
        width: 44px !important;
        height: 44px !important;
    }
    
    /* Admin primary/secondary buttons */
    .btn-primary,
    .btn-secondary,
    .btn-danger,
    .btn-success,
    .btn-warning {
        min-height: 44px !important;
        padding: 12px 20px !important;
    }
    
    /* Search form layout on mobile */
    .search-form {
        flex-direction: column !important;
        gap: 12px !important;
    }
    
    .search-form .search-input-group {
        width: 100% !important;
        flex-direction: column !important;
    }
    
    .search-form .search-select {
        border-radius: 8px !important;
        border-right: 1px solid #e2e8f0 !important;
        margin-bottom: 8px;
    }
    
    .search-form .search-input {
        border-radius: 8px !important;
        border-right: 1px solid #e2e8f0 !important;
    }
    
    .search-form .search-btn {
        border-radius: 8px !important;
        width: 100% !important;
        min-height: 44px !important;
    }
    
    .search-form .reset-btn {
        width: 100% !important;
        min-height: 44px !important;
    }
    
    /* Filter bar on mobile */
    .filter-bar {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
    }
    
    .filter-links {
        flex-wrap: wrap !important;
        justify-content: center !important;
    }
    
    .filter-link {
        min-height: 44px !important;
        padding: 10px 16px !important;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Content header on mobile */
    .content-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 16px !important;
    }
    
    .content-header .btn-primary {
        width: 100% !important;
        justify-content: center;
    }
    
    /* Search bar in content header */
    .search-bar {
        width: 100% !important;
        margin-left: 0 !important;
        margin-top: 12px !important;
    }
    
    .search-bar form {
        width: 100%;
    }
    
    .search-bar .flex {
        width: 100%;
    }
    
    .search-bar .search-input {
        flex: 1;
        border-radius: 8px 0 0 8px !important;
    }
    
    .search-bar .search-btn {
        min-width: 44px !important;
        min-height: 44px !important;
    }
    
    /* Pagination on mobile */
    .pagination {
        flex-wrap: wrap !important;
        gap: 4px !important;
    }
    
    .pagination-item,
    .pagination-arrow {
        min-width: 44px !important;
        min-height: 44px !important;
        width: 44px !important;
        height: 44px !important;
    }
    
    /* Modal adjustments for mobile */
    .modal-container {
        width: 95% !important;
        max-width: none !important;
        margin: 16px auto !important;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .modal-header {
        padding: 16px !important;
    }
    
    .modal-body {
        padding: 16px !important;
    }
    
    .modal-footer {
        padding: 16px !important;
        flex-direction: column !important;
        gap: 8px !important;
    }
    
    .modal-footer button,
    .modal-footer .btn {
        width: 100% !important;
        min-height: 44px !important;
    }
    
    /* Form groups in modals */
    .form-group {
        margin-bottom: 16px !important;
    }
    
    /* Card styles on mobile */
    .card {
        border-radius: 12px !important;
    }
    
    .card-header {
        padding: 16px !important;
    }
    
    .card-body {
        padding: 16px !important;
    }
    
    /* User edit wrapper on mobile */
    .user-edit-wrapper {
        flex-direction: column !important;
        padding: 16px !important;
        gap: 16px !important;
    }
    
    .user-info-card,
    .edit-form-card {
        width: 100% !important;
        min-width: 0 !important;
        padding: 20px !important;
    }
    
    /* Edit form title on mobile */
    .edit-form-title {
        font-size: 1.5rem !important;
    }
    
    /* Search card on mobile */
    .search-card-body {
        padding: 16px !important;
    }
    
    .search-card-body .grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    /* Comment content on mobile */
    .comment-content {
        max-width: 100% !important;
    }
    
    /* User info in tables */
    .user-info {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 4px !important;
    }
    
    .user-avatar {
        margin-right: 0 !important;
        margin-bottom: 4px !important;
    }
    
    /* Status badges */
    .status-badge,
    .role-badge {
        font-size: 0.7rem !important;
        padding: 4px 8px !important;
    }
    
    /* Empty state on mobile */
    .empty-state {
        padding: 24px 16px !important;
    }
    
    .empty-state-icon {
        font-size: 2.5rem !important;
    }
    
    .empty-state-text {
        font-size: 1rem !important;
    }
}

/* Admin tablet styles (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    /* Table still needs horizontal scroll on tablet for very wide tables */
    .table-responsive,
    .overflow-x-auto {
        overflow-x: auto;
    }
    
    /* Search form two columns on tablet */
    .search-form {
        flex-wrap: wrap;
    }
    
    .search-form .search-input-group {
        flex: 1;
        min-width: 200px;
    }
}