/**
 * IsmailBooks Blog - Modern Card Grid Design
 * Pinterest/Masonry Style with Glassmorphism
 */

/* ============================================
   FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================
   CSS VARIABLES - DESIGN SYSTEM
   ============================================ */
:root {
    /* Light Theme (Default) */
    --bg-primary: #F9E4D4;
    /* Soft Ivory Quartz */
    --bg-secondary: #ffffff;
    /* Card Background */
    --text-primary: #2C2C2C;
    /* Charcoal Gray */
    --text-secondary: #6c6f76;
    /* Muted Text */
    --accent: #70193D;
    /* Deep Persian Plum (Burgundy) */
    --accent-light: #9b59b6;
    /* Purple Accent */
    --accent-hover: #5a1330;
    /* Darker burgundy */
    --border-color: #E6C8B9;
    /* Peachy border */
    --shadow: rgba(112, 25, 61, 0.08);
    --shadow-hover: rgba(112, 25, 61, 0.15);

    /* Component Specific */
    --navbar-bg: rgba(249, 228, 212, 0.8);
    /* Semi-transparent */
    --navbar-border: rgba(230, 200, 185, 0.5);
    --card-bg: #ffffff;
    --card-border: #E6C8B9;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --gap: 20px;
    --gap-mobile: 16px;

    /* Transitions */
    --transition: all 0.3s ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #2A1A2E;
    /* Dark Plum Background */
    --bg-secondary: #3A2A3E;
    /* Card Background */
    --text-primary: #F0E6D4;
    /* Ivory Text */
    --text-secondary: #C8B8A8;
    /* Muted Light Text */
    --border-color: #3d2d41;
    /* Dark Border */
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.5);

    --navbar-bg: rgba(42, 26, 46, 0.9);
    --navbar-border: rgba(61, 45, 65, 0.5);
    --card-bg: #3A2A3E;
    --card-border: #3d2d41;
}

/* ============================================
   GLOBAL RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Base Utility Classes (Bootstrap-like) */
.d-none {
    display: none !important;
}

@media (min-width: 576px) {
    .d-sm-inline {
        display: inline !important;
    }
}

@media (min-width: 768px) {
    .d-md-inline {
        display: inline !important;
    }
}

@media (min-width: 992px) {
    .d-lg-flex {
        display: flex !important;
    }

    .d-lg-none {
        display: none !important;
    }
}

/* ============================================
   GLASSMORPHISM HEADER (Fixed)
   ============================================ */
.blog-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--navbar-border);
    z-index: 1000;
    transition: var(--transition);
}

.blog-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 1.5rem;
}

.blog-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-logo:hover {
    color: var(--accent-hover);
}

.blog-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.blog-search-bar {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 0.5rem 1rem;
    width: 300px;
    transition: var(--transition);
}

.blog-search-bar:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(112, 25, 61, 0.15);
}

.blog-search-bar input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    color: var(--text-primary);
    font-family: var(--font-body);
    padding: 0 0.5rem;
}

.blog-search-bar input::placeholder {
    color: var(--text-secondary);
}

.blog-search-bar i {
    color: var(--text-secondary);
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.theme-toggle:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.back-to-site-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: var(--accent);
    color: white !important;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    border: 1px solid var(--accent);
}

.back-to-site-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

/* Mobile Menu Toggle button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1002;
}

.mobile-menu-toggle .bar {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Overlay Redesign */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    /* Dynamic viewport height for mobile browsers */
    background: var(--bg-primary);
    z-index: 9999;
    /* Higher z-index to stay on top of everything */
    visibility: hidden;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.mobile-menu-overlay.active {
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
}

.mobile-menu-content {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.close-menu {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
}

.mobile-menu-body {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 2rem;
}

.mobile-search-in-menu {
    width: 100% !important;
    margin-bottom: 2rem !important;
    display: flex !important;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem 0;
}

.mobile-nav-item i {
    color: var(--accent);
    font-size: 1.5rem;
}

.mobile-nav-item.highlight {
    background: var(--accent);
    color: white;
    padding: 1rem;
    border-radius: 12px;
    justify-content: center;
}

.mobile-nav-item.highlight i {
    color: white;
}

.theme-toggle-mobile {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    justify-content: flex-start;
    padding: 0.75rem 1rem;
    cursor: pointer;
}

.mobile-category-section {
    margin: 1.5rem 0;
}

.mobile-section-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.mobile-category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.mobile-category-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.mobile-category-item i {
    font-size: 1.25rem;
    color: var(--accent);
}

/* Mobile Search Dropdown Styles */
.mobile-search-dropdown {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    z-index: 1001;
    box-shadow: 0 4px 12px var(--shadow);
}

/* ============================================
   HERO BANNER
   ============================================ */
.hero-banner {
    margin-top: 60px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    padding: 3rem 0;
    text-align: center;
    color: white;
}

.hero-banner h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hero-banner p {
    font-size: 1.1rem;
    opacity: 0.95;
}

/* ============================================
   CATEGORY FILTER PILLS
   ============================================ */
.category-filters {
    padding: 1.5rem 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.category-filters::-webkit-scrollbar {
    display: none;
}

.category-pills {
    display: flex;
    gap: 0.75rem;
    padding: 0 1rem;
    min-width: max-content;
}

.category-pill {
    padding: 0.5rem 1.25rem;
    border-radius: 25px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
    font-family: var(--font-body);
}

.category-pill:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.category-pill.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ============================================
   MASONRY GRID LAYOUT (Pinterest Style)
   ============================================ */
.masonry-container {
    padding: 2rem 1rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.masonry-grid {
    column-count: 4;
    column-gap: var(--gap);
}

.masonry-item {
    break-inside: avoid;
    page-break-inside: avoid;
    margin-bottom: var(--gap);
    display: inline-block;
    width: 100%;
}

/* ============================================
   POST CARDS (Enhanced with Author Info)
   ============================================ */
.post-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(112, 25, 61, 0.15);
}

.post-card:active {
    transform: translateY(-4px) scale(0.98);
}

.post-card:focus-within {
    box-shadow: 0 0 0 4px rgba(112, 25, 61, 0.15);
}

/* Card Image */
.post-card-image {
    position: relative;
    width: 100%;
    overflow: hidden;
    display: block;
}

.post-card-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

.post-card:hover .post-card-image img {
    transform: scale(1.05);
}

/* Category Badge (absolute on image) */
.category-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-primary);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

/* Category-specific colors */
.category-badge.psychology {
    color: #9b59b6;
}

.category-badge.philosophy {
    color: #3498db;
}

.category-badge.mental-health {
    color: #e74c3c;
}

.category-badge.self-improvement {
    color: #2ecc71;
}

.category-badge.islamic-perspective {
    color: #70193D;
}

.category-badge.book-reviews {
    color: #f39c12;
}

/* Card Content */
.post-card-content {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Author & Meta Section */
.post-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.author-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
}

.author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #70193D 0%, #9b59b6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    flex-shrink: 0;
}

.author-details {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.author-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-meta-info {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.meta-separator {
    color: var(--border-color);
}

.bookmark-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
    font-size: 1.1rem;
    padding: 0.25rem;
    flex-shrink: 0;
}

.bookmark-btn:hover {
    color: var(--accent);
    transform: scale(1.1);
}

.bookmark-btn.active {
    color: var(--accent);
}

.bookmark-btn.active i {
    animation: bookmarkPop 0.3s ease;
}

@keyframes bookmarkPop {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.3);
    }
}

/* ============================================
   CARD VARIANTS
   ============================================ */

/* VARIANT 1: Standard (default - already styled above) */

/* VARIANT 2: Compact (no excerpt) */
.post-card.compact .post-card-excerpt {
    display: none;
}

/* VARIANT 3: Text-Only (no image, colored border) */
.post-card.text-only {
    border-left: 4px solid var(--accent);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(112, 25, 61, 0.03) 100%);
}

.post-card.text-only .post-card-image {
    display: none;
}

.post-card.text-only .post-card-title {
    font-size: 1.4rem;
    -webkit-line-clamp: 4;
    line-clamp: 4;
}

/* VARIANT 4: Quote Card */
.post-card.quote {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: white;
    padding: 2rem;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.post-card.quote .post-card-content {
    padding: 0;
    color: white;
}

.post-card.quote .post-card-title {
    color: white;
    font-size: 1.3rem;
    font-style: italic;
    -webkit-line-clamp: 6;
    line-clamp: 6;
}

.post-card.quote .post-card-title::before {
    content: '"';
    font-size: 3rem;
    opacity: 0.3;
    display: block;
    line-height: 1;
}

.post-card.quote .post-card-meta {
    border-color: rgba(255, 255, 255, 0.3);
}

.post-card.quote .author-avatar {
    background: rgba(255, 255, 255, 0.2);
}

.post-card.quote .author-name,
.post-card.quote .post-meta-info {
    color: rgba(255, 255, 255, 0.95);
}

.post-card.quote .meta-separator {
    color: rgba(255, 255, 255, 0.5);
}

.post-card.quote .bookmark-btn {
    color: rgba(255, 255, 255, 0.8);
}

.post-card.quote .bookmark-btn:hover {
    color: white;
}

/* ============================================
   LOAD MORE BUTTON
   ============================================ */
.load-more-container {
    text-align: center;
    padding: 3rem 0;
}

.load-more-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.875rem 2.5rem;
    border-radius: 25px;
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.load-more-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px var(--shadow-hover);
}

/* ============================================
   FLOATING ACTION BUTTON
   ============================================ */
.fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    border: none;
    box-shadow: 0 4px 12px var(--shadow-hover);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.fab:hover {
    background: var(--accent-hover);
    transform: scale(1.1);
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 4px 12px var(--shadow-hover);
    }

    50% {
        box-shadow: 0 4px 20px rgba(112, 25, 61, 0.4);
    }
}

/* ============================================
   FOOTER
   ============================================ */
.blog-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 1rem;
    text-align: center;
    margin-top: 4rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-social a {
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition);
}

.footer-social a:hover {
    color: var(--accent);
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablets */
@media (max-width: 1024px) {
    .masonry-grid {
        column-count: 3;
    }

    .blog-search-bar {
        width: 250px;
    }
}

/* Tablets (Portrait) */
@media (max-width: 768px) {
    .masonry-grid {
        column-count: 2;
        column-gap: var(--gap-mobile);
    }

    .masonry-item {
        margin-bottom: var(--gap-mobile);
    }

    .hero-banner h1 {
        font-size: 2rem;
    }

    .blog-nav {
        gap: 1rem;
    }

    .blog-search-bar {
        width: 200px;
    }

    .fab {
        bottom: 1rem;
        right: 1rem;
    }
}

/* Mobile */
@media (max-width: 576px) {
    .masonry-grid {
        column-count: 1;
    }

    .blog-header .container {
        padding: 0 1rem;
    }

    .blog-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .back-to-site-btn {
        display: none;
    }

    .hero-banner {
        padding: 2rem 1rem;
    }

    .hero-banner h1 {
        font-size: 1.75rem;
    }

    .hero-banner p {
        font-size: 1rem;
    }

    .category-pills {
        padding: 0 0.5rem;
    }

    .post-card-title {
        font-size: 1.1rem;
    }
}

/* ============================================
   LOADING STATES
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, var(--border-color) 25%, rgba(230, 200, 185, 0.5) 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Modern Focus Styles */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(112, 25, 61, 0.2);
    transition: box-shadow 0.2s ease;
}

/* Remove focus ring for mouse users but keep for keyboard (optional premium touch) */
:focus:not(:focus-visible) {
    box-shadow: none;
}

:focus-visible {
    box-shadow: 0 0 0 3px rgba(112, 25, 61, 0.4);
}

/* Smooth Transitions for Theme Toggle */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}