/**
 * ==========================================================
 * The Holy Quran - 16 Lines - Custom Styles
 * ==========================================================
 *
 * Custom CSS for features Tailwind cannot handle, including
 * paper flip effects, themes, and advanced animations.
 *
 * @package    The Holy Quran - 16 Lines
 * @author     Muhammad Zaigham
 * @copyright  MZift.com (@itsmzift) All rights reserved.
 * @license    Proprietary - Contact author for usage rights
 * @version    1.5.0
 * ==========================================================
 */

/* ==========================================================
   CSS Variables
   ========================================================== */
:root {
    /* Primary Colors */
    --mzift-primary: #1a472a;
    --mzift-primary-dark: #0f2d1a;
    --mzift-primary-light: #2d6b42;
    --mzift-gold: #d4af37;
    --mzift-gold-dark: #b8960c;
    
    /* Light Theme */
    --mzift-bg-body: #f3f4f6;
    --mzift-bg-card: #ffffff;
    --mzift-bg-page: #ffffff;
    --mzift-text-primary: #1f2937;
    --mzift-text-secondary: #6b7280;
    --mzift-border: #e5e7eb;
    
    /* Shadows */
    --mzift-shadow-page: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --mzift-shadow-card: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Safe Areas */
    --mzift-safe-top: env(safe-area-inset-top, 0px);
    --mzift-safe-bottom: env(safe-area-inset-bottom, 0px);
    --mzift-safe-left: env(safe-area-inset-left, 0px);
    --mzift-safe-right: env(safe-area-inset-right, 0px);
    
    /* Viewport Height Fix for Mobile */
    --vh: 1vh;
    
    /* Transitions */
    --mzift-transition-fast: 150ms ease;
    --mzift-transition-normal: 300ms ease;
    --mzift-transition-slow: 500ms ease;
}

/* ==========================================================
   Base Styles
   ========================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-tap-highlight-color: transparent;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    height: 100%;
    height: -webkit-fill-available;
}

body {
    overscroll-behavior: none;
    -webkit-overflow-scrolling: touch;
    min-height: 100%;
    min-height: -webkit-fill-available;
    min-height: calc(var(--vh, 1vh) * 100);
}

/* Fix iOS Safari 100vh issue */
#mzift-app {
    min-height: 100vh;
    min-height: -webkit-fill-available;
    min-height: calc(var(--vh, 1vh) * 100);
    display: flex;
    flex-direction: column;
}

/* Hide scrollbar but allow scrolling */
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.scrollbar-hide::-webkit-scrollbar {
    display: none;
}

/* ==========================================================
   Safe Area Handling
   ========================================================== */
.safe-area-top {
    padding-top: var(--mzift-safe-top);
}

.safe-area-bottom {
    padding-bottom: var(--mzift-safe-bottom);
}

/* ==========================================================
   Theme: Light (Default)
   ========================================================== */
.mzift-theme-light {
    --mzift-bg-body: #f3f4f6;
    --mzift-bg-card: #ffffff;
    --mzift-bg-page: #ffffff;
    --mzift-text-primary: #1f2937;
    --mzift-text-secondary: #6b7280;
    --mzift-border: #e5e7eb;
}

/* ==========================================================
   Theme: Dark
   ========================================================== */
.mzift-theme-dark {
    --mzift-bg-body: #111827;
    --mzift-bg-card: #1f2937;
    --mzift-bg-page: #374151;
    --mzift-text-primary: #f9fafb;
    --mzift-text-secondary: #9ca3af;
    --mzift-border: #374151;
}

.mzift-theme-dark {
    background-color: var(--mzift-bg-body);
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-main {
    background-color: var(--mzift-bg-body);
}

.mzift-theme-dark .mzift-bottom-nav {
    background-color: var(--mzift-bg-card);
    border-color: var(--mzift-border);
}

.mzift-theme-dark .mzift-nav-item {
    color: var(--mzift-text-secondary);
}

.mzift-theme-dark .mzift-drawer {
    background-color: var(--mzift-bg-card);
}

.mzift-theme-dark .mzift-drawer-item {
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-drawer-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.mzift-theme-dark .mzift-modal {
    background-color: var(--mzift-bg-card);
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-page-loading {
    background-color: rgba(17, 24, 39, 0.8);
}

.mzift-theme-dark .mzift-page-loading span {
    color: var(--mzift-text-secondary);
}

.mzift-theme-dark .mzift-page-image {
    background-color: var(--mzift-bg-page);
}

.mzift-theme-dark .mzift-nav-arrow {
    background-color: var(--mzift-bg-card);
    color: var(--mzift-text-primary);
}

.mzift-theme-dark #mzift-zoom-controls button {
    background-color: var(--mzift-bg-card);
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-install-popup {
    background-color: var(--mzift-bg-card);
}

.mzift-theme-dark .mzift-install-popup h3 {
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-install-popup p {
    color: var(--mzift-text-secondary);
}

.mzift-theme-dark input[type="text"],
.mzift-theme-dark input[type="number"] {
    background-color: var(--mzift-bg-body);
    border-color: var(--mzift-border);
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-theme-btn {
    border-color: var(--mzift-border);
    color: var(--mzift-text-primary);
    background-color: var(--mzift-bg-body);
}

.mzift-theme-dark .mzift-theme-btn.mzift-active {
    background-color: var(--mzift-primary);
    border-color: var(--mzift-primary);
    color: white;
}

/* Dark mode - Additional fixes */
.mzift-theme-dark .mzift-header {
    background-color: #0d1b12;
}

.mzift-theme-dark .bg-white {
    background-color: var(--mzift-bg-card) !important;
}

.mzift-theme-dark .bg-gray-50,
.mzift-theme-dark .bg-gray-100 {
    background-color: var(--mzift-bg-body) !important;
}

.mzift-theme-dark .bg-gray-200 {
    background-color: #374151 !important;
}

.mzift-theme-dark .text-gray-500,
.mzift-theme-dark .text-gray-600 {
    color: var(--mzift-text-secondary) !important;
}

.mzift-theme-dark .text-gray-700,
.mzift-theme-dark .text-gray-800,
.mzift-theme-dark .text-gray-900 {
    color: var(--mzift-text-primary) !important;
}

.mzift-theme-dark .border-gray-200,
.mzift-theme-dark .border-gray-300 {
    border-color: var(--mzift-border) !important;
}

.mzift-theme-dark .hover\:bg-gray-50:hover,
.mzift-theme-dark .hover\:bg-gray-100:hover {
    background-color: rgba(255, 255, 255, 0.05) !important;
}

.mzift-theme-dark .hover\:bg-gray-200:hover,
.mzift-theme-dark .hover\:bg-gray-300:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

/* Dark mode buttons - comprehensive */
.mzift-theme-dark button {
    color: var(--mzift-text-primary);
}

.mzift-theme-dark button.bg-mzift-primary,
.mzift-theme-dark button.bg-mzift-gold,
.mzift-theme-dark .bg-mzift-primary,
.mzift-theme-dark .bg-mzift-gold {
    color: white !important;
}

.mzift-theme-dark .mzift-list-item {
    background-color: transparent;
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-list-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.mzift-theme-dark .mzift-list-item-details {
    color: var(--mzift-text-secondary);
}

.mzift-theme-dark .mzift-bookmark-tab {
    background-color: transparent;
    color: var(--mzift-text-secondary);
}

/* Dark mode - Modal and Settings fixes */
.mzift-theme-dark .mzift-modal-header {
    border-color: var(--mzift-border);
}

.mzift-theme-dark .mzift-setting-group {
    border-color: var(--mzift-border);
}

.mzift-theme-dark label {
    color: var(--mzift-text-primary);
}

.mzift-theme-dark p {
    color: var(--mzift-text-secondary);
}

.mzift-theme-dark h3,
.mzift-theme-dark h4 {
    color: var(--mzift-text-primary);
}

/* Dark mode - Toggle switch */
.mzift-theme-dark .mzift-toggle span:first-of-type {
    background-color: #374151;
}

.mzift-theme-dark .peer:checked ~ span:first-of-type {
    background-color: var(--mzift-primary);
}

/* Dark mode - Range slider */
.mzift-theme-dark input[type="range"] {
    background-color: #374151;
}

.mzift-theme-dark input[type="range"]::-webkit-slider-thumb {
    background-color: var(--mzift-gold);
}

/* Dark mode - Scrollbar */
.mzift-theme-dark ::-webkit-scrollbar-track {
    background: var(--mzift-bg-body);
}

.mzift-theme-dark ::-webkit-scrollbar-thumb {
    background: #374151;
}

/* Dark mode - Toast */
.mzift-theme-dark .mzift-toast {
    background-color: #374151;
    color: var(--mzift-text-primary);
}

/* Dark mode - Stats section */
.mzift-theme-dark .mzift-stats {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Dark mode - Download section */
.mzift-theme-dark .mzift-download-section {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--mzift-border);
}

/* Dark mode - Quick Juz button */
.mzift-theme-dark #mzift-quick-juz {
    background-color: var(--mzift-bg-card);
    color: var(--mzift-text-primary);
    border-color: var(--mzift-border);
}

/* Dark mode - Category buttons */
.mzift-theme-dark .mzift-category-btn {
    background-color: var(--mzift-bg-body);
    color: var(--mzift-text-primary);
    border-color: var(--mzift-border);
}

.mzift-theme-dark .mzift-category-btn.mzift-active {
    background-color: var(--mzift-primary);
    color: white;
    border-color: var(--mzift-primary);
}

/* Dark mode - Delete button */
.mzift-theme-dark .mzift-bookmark-delete {
    color: #ef4444;
}

/* Dark mode - Search input */
.mzift-theme-dark .mzift-search-input {
    background-color: var(--mzift-bg-body);
    border-color: var(--mzift-border);
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-search-input::placeholder {
    color: var(--mzift-text-secondary);
}

/* Dark mode - Continue reading card */
.mzift-theme-dark .mzift-continue-card {
    background-color: rgba(26, 71, 42, 0.3);
    border-color: var(--mzift-primary);
}

.mzift-theme-dark .mzift-bookmark-tab.mzift-active {
    background-color: var(--mzift-primary);
    color: white;
}

.mzift-theme-dark .mzift-category-btn {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--mzift-text-primary);
    border-color: var(--mzift-border);
}

.mzift-theme-dark .mzift-category-btn.mzift-active {
    background-color: var(--mzift-primary);
    color: white;
}

.mzift-theme-dark .mzift-setting-group label {
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-setting-group p {
    color: var(--mzift-text-secondary);
}

.mzift-theme-dark textarea {
    background-color: var(--mzift-bg-body);
    border-color: var(--mzift-border);
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-toast {
    background-color: var(--mzift-bg-card);
    color: var(--mzift-text-primary);
}

.mzift-theme-dark .mzift-quick-juz {
    background-color: var(--mzift-bg-card);
    color: var(--mzift-text-primary);
}

/* ==========================================================
   Theme: Sepia
   ========================================================== */
.mzift-theme-sepia {
    --mzift-bg-body: #f4ecd8;
    --mzift-bg-card: #faf6eb;
    --mzift-bg-page: #fffef9;
    --mzift-text-primary: #3d3d3d;
    --mzift-text-secondary: #5a5a5a;
    --mzift-border: #d4c8a8;
    --mzift-primary: #5c4033;
}

.mzift-theme-sepia {
    background-color: var(--mzift-bg-body);
    color: var(--mzift-text-primary);
}

.mzift-theme-sepia .mzift-header {
    background-color: #5c4033;
}

.mzift-theme-sepia .mzift-main {
    background-color: var(--mzift-bg-body);
}

.mzift-theme-sepia .mzift-bottom-nav {
    background-color: var(--mzift-bg-card);
    border-color: var(--mzift-border);
}

.mzift-theme-sepia .mzift-drawer {
    background-color: var(--mzift-bg-card);
}

.mzift-theme-sepia .mzift-drawer-header {
    background-color: #5c4033;
}

.mzift-theme-sepia .mzift-modal {
    background-color: var(--mzift-bg-card);
}

.mzift-theme-sepia .mzift-page-image {
    background-color: var(--mzift-bg-page);
}

.mzift-theme-sepia .mzift-page-loading {
    background-color: rgba(244, 236, 216, 0.8);
}

.mzift-theme-sepia .mzift-nav-arrow,
.mzift-theme-sepia #mzift-zoom-controls button {
    background-color: var(--mzift-bg-card);
}

.mzift-theme-sepia #mzift-quick-juz {
    background-color: #5c4033;
}

.mzift-theme-sepia .mzift-install-popup {
    background-color: var(--mzift-bg-card);
}

/* ==========================================================
   Main Content Area - Mobile Fix
   ========================================================== */
.mzift-main {
    /* Use dvh for dynamic viewport height on mobile */
    height: calc(100vh - 124px);
    height: calc(100dvh - 124px);
    /* Fallback for older browsers */
    min-height: calc(var(--vh, 1vh) * 100 - 124px);
}

/* Page container should fill the main area */
.mzift-page-container {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

/* Page wrapper should fill container */
.mzift-page {
    height: 100%;
    width: 100%;
}

/* Image should fit within available space */
.mzift-page-image {
    max-height: calc(100vh - 140px);
    max-height: calc(100dvh - 140px);
    max-width: 100%;
    height: auto;
    width: auto;
    object-fit: contain;
}

/* ==========================================================
   Page Container & Swipe
   ========================================================== */
.mzift-page-container {
    perspective: 1500px;
    transform-style: preserve-3d;
}

.mzift-page {
    transition: transform var(--mzift-transition-normal), 
                opacity var(--mzift-transition-normal);
    will-change: transform, opacity;
    backface-visibility: hidden;
}

.mzift-page-container.mzift-swiping .mzift-page {
    transition: none;
}

.mzift-page-container.mzift-animating .mzift-page {
    transition: transform var(--mzift-transition-normal), 
                opacity var(--mzift-transition-normal);
}

/* ==========================================================
   Paper Effect & Shadow
   ========================================================== */
.mzift-page-image {
    position: relative;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 10px 20px -5px rgba(0, 0, 0, 0.15),
        0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transition: transform var(--mzift-transition-normal),
                box-shadow var(--mzift-transition-normal);
}

/* Paper curl effect on edges */
.mzift-page-current .mzift-page-image::before,
.mzift-page-current .mzift-page-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    width: 50%;
    height: 20px;
    box-shadow: 0 15px 10px -10px rgba(0, 0, 0, 0.2);
    z-index: -1;
    pointer-events: none;
}

.mzift-page-current .mzift-page-image::before {
    left: 10px;
    transform: rotate(-3deg);
}

.mzift-page-current .mzift-page-image::after {
    right: 10px;
    transform: rotate(3deg);
}

/* ==========================================================
   Page Flip Animation
   ========================================================== */
@keyframes mzift-page-flip-next {
    0% {
        transform: translateX(0) rotateY(0deg);
        box-shadow: var(--mzift-shadow-page);
    }
    50% {
        transform: translateX(-25%) rotateY(-15deg);
        box-shadow: 
            -20px 0 30px -10px rgba(0, 0, 0, 0.2),
            0 25px 50px -12px rgba(0, 0, 0, 0.3);
    }
    100% {
        transform: translateX(-100%) rotateY(0deg);
        box-shadow: var(--mzift-shadow-page);
    }
}

@keyframes mzift-page-flip-prev {
    0% {
        transform: translateX(0) rotateY(0deg);
        box-shadow: var(--mzift-shadow-page);
    }
    50% {
        transform: translateX(25%) rotateY(15deg);
        box-shadow: 
            20px 0 30px -10px rgba(0, 0, 0, 0.2),
            0 25px 50px -12px rgba(0, 0, 0, 0.3);
    }
    100% {
        transform: translateX(100%) rotateY(0deg);
        box-shadow: var(--mzift-shadow-page);
    }
}

.mzift-page-flip-next {
    animation: mzift-page-flip-next 0.4s ease-in-out forwards;
}

.mzift-page-flip-prev {
    animation: mzift-page-flip-prev 0.4s ease-in-out forwards;
}

/* Paper lift effect during swipe */
.mzift-page-container.mzift-swiping .mzift-page-current .mzift-page-image {
    box-shadow: 
        0 10px 25px -5px rgba(0, 0, 0, 0.2),
        0 30px 60px -15px rgba(0, 0, 0, 0.3);
}

/* ==========================================================
   Page Enter/Exit Animations
   ========================================================== */
@keyframes mzift-page-enter-from-left {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes mzift-page-enter-from-right {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes mzift-page-exit-to-left {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(-100%);
        opacity: 0;
    }
}

@keyframes mzift-page-exit-to-right {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.mzift-page-enter-left {
    animation: mzift-page-enter-from-left var(--mzift-transition-normal) ease-out forwards;
}

.mzift-page-enter-right {
    animation: mzift-page-enter-from-right var(--mzift-transition-normal) ease-out forwards;
}

.mzift-page-exit-left {
    animation: mzift-page-exit-to-left var(--mzift-transition-normal) ease-out forwards;
}

.mzift-page-exit-right {
    animation: mzift-page-exit-to-right var(--mzift-transition-normal) ease-out forwards;
}

/* ==========================================================
   Zoom Functionality
   ========================================================== */
.mzift-page-image.mzift-zoomed {
    cursor: grab;
    touch-action: none;
}

.mzift-page-image.mzift-zoomed:active {
    cursor: grabbing;
}

.mzift-page-image.mzift-zoom-1 { transform: scale(1); }
.mzift-page-image.mzift-zoom-1-25 { transform: scale(1.25); }
.mzift-page-image.mzift-zoom-1-5 { transform: scale(1.5); }
.mzift-page-image.mzift-zoom-1-75 { transform: scale(1.75); }
.mzift-page-image.mzift-zoom-2 { transform: scale(2); }

/* ==========================================================
   Modal & Drawer Animations
   ========================================================== */
.mzift-modal-overlay.mzift-active,
.mzift-drawer-overlay.mzift-active {
    opacity: 1;
    visibility: visible;
}

.mzift-modal.mzift-active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.mzift-drawer.mzift-active {
    transform: translateX(0);
}

/* ==========================================================
   Toast Animation
   ========================================================== */
.mzift-toast.mzift-active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ==========================================================
   Theme Button Active State
   ========================================================== */
.mzift-theme-btn.mzift-active {
    border-color: var(--mzift-primary);
    background-color: rgba(26, 71, 42, 0.1);
}

.mzift-theme-dark .mzift-theme-btn.mzift-active {
    background-color: rgba(26, 71, 42, 0.3);
}

/* ==========================================================
   Bookmark Tab Active State
   ========================================================== */
.mzift-bookmark-tab {
    background-color: #e5e7eb;
    color: #6b7280;
}

.mzift-bookmark-tab.mzift-active {
    background-color: var(--mzift-primary);
    color: #ffffff;
}

.mzift-theme-dark .mzift-bookmark-tab {
    background-color: #374151;
    color: #9ca3af;
}

.mzift-theme-dark .mzift-bookmark-tab.mzift-active {
    background-color: var(--mzift-primary);
    color: #ffffff;
}

/* ==========================================================
   Bookmark Category Button
   ========================================================== */
.mzift-category-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    background-color: transparent;
    color: #6b7280;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--mzift-transition-fast);
}

.mzift-category-btn:hover {
    border-color: #d1d5db;
}

.mzift-category-btn.mzift-active {
    border-color: var(--mzift-primary);
    background-color: rgba(26, 71, 42, 0.1);
    color: var(--mzift-primary);
}

.mzift-theme-dark .mzift-category-btn {
    border-color: #374151;
    color: #9ca3af;
}

.mzift-theme-dark .mzift-category-btn.mzift-active {
    background-color: rgba(26, 71, 42, 0.3);
}

/* ==========================================================
   List Item Styles
   ========================================================== */
.mzift-list-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    width: 100%;
    padding: 0.875rem;
    background: transparent;
    border: none;
    border-radius: 0.75rem;
    color: var(--mzift-text-primary);
    text-align: left;
    cursor: pointer;
    transition: background-color var(--mzift-transition-fast);
}

.mzift-list-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.mzift-theme-dark .mzift-list-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.mzift-list-item-number {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--mzift-primary);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50%;
    flex-shrink: 0;
}

.mzift-list-item-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.mzift-list-item-name {
    display: block;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mzift-list-item-name-ar {
    font-family: 'Scheherazade New', serif;
    font-size: 1.125rem;
}

.mzift-list-item-details {
    display: block;
    font-size: 0.75rem;
    color: var(--mzift-text-secondary);
    margin-top: 0.125rem;
}

.mzift-list-item-page {
    font-size: 0.75rem;
    color: var(--mzift-text-secondary);
    flex-shrink: 0;
}

/* ==========================================================
   Bookmark Item with Delete
   ========================================================== */
.mzift-bookmark-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mzift-bookmark-item .mzift-list-item {
    flex: 1;
}

.mzift-bookmark-delete {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: #ef4444;
    cursor: pointer;
    border-radius: 50%;
    flex-shrink: 0;
    transition: background-color var(--mzift-transition-fast);
}

.mzift-bookmark-delete:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

/* ==========================================================
   Loading Skeleton
   ========================================================== */
.mzift-skeleton {
    background: linear-gradient(
        90deg,
        #e5e7eb 25%,
        #f3f4f6 50%,
        #e5e7eb 75%
    );
    background-size: 200% 100%;
    animation: mzift-skeleton-loading 1.5s infinite;
}

@keyframes mzift-skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.mzift-theme-dark .mzift-skeleton {
    background: linear-gradient(
        90deg,
        #374151 25%,
        #4b5563 50%,
        #374151 75%
    );
    background-size: 200% 100%;
}

/* ==========================================================
   Progress Bar
   ========================================================== */
#mzift-progress-bar {
    transition: width 0.3s ease;
}

/* ==========================================================
   Desktop Hover Effects
   ========================================================== */
@media (hover: hover) {
    .mzift-main:hover .mzift-nav-arrow {
        opacity: 0.7;
    }
    
    .mzift-nav-arrow:hover {
        opacity: 1 !important;
    }
}

/* ==========================================================
   Responsive Adjustments
   ========================================================== */
@media (max-width: 640px) {
    /* Fix for mobile browsers */
    html, body {
        height: 100%;
        overflow: hidden;
    }
    
    #mzift-app {
        height: 100%;
        height: 100dvh;
        overflow: hidden;
    }
    
    .mzift-main {
        height: calc(100% - 124px);
        height: calc(100dvh - 124px);
        overflow: hidden;
    }
    
    .mzift-page {
        padding: 0.5rem;
    }
    
    .mzift-page-image {
        border-radius: 0.5rem;
        max-height: calc(100dvh - 150px);
    }
    
    #mzift-zoom-controls {
        bottom: 0.5rem;
        right: 0.5rem;
    }
    
    #mzift-quick-juz {
        bottom: 0.5rem;
        left: 0.5rem;
    }
}

@media (min-width: 1024px) {
    .mzift-page-image {
        max-width: 600px;
    }
}

/* ==========================================================
   Print Styles
   ========================================================== */
@media print {
    .mzift-header,
    .mzift-bottom-nav,
    .mzift-drawer,
    .mzift-modal,
    .mzift-toast,
    .mzift-nav-arrow,
    #mzift-zoom-controls,
    #mzift-quick-juz,
    .mzift-install-popup {
        display: none !important;
    }
    
    .mzift-main {
        margin: 0;
    }
    
    .mzift-page-image {
        max-width: 100%;
        max-height: 100%;
        box-shadow: none;
    }
}

/* ==========================================================
   Accessibility - Reduced Motion
   ========================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .mzift-page {
        transition: none;
    }
}

/* ==========================================================
   Focus Styles for Keyboard Navigation
   ========================================================== */
:focus-visible {
    outline: 2px solid var(--mzift-primary);
    outline-offset: 2px;
}

button:focus:not(:focus-visible) {
    outline: none;
}

/* ==========================================================
   Selection Color
   ========================================================== */
::selection {
    background-color: var(--mzift-primary);
    color: #ffffff;
}

::-moz-selection {
    background-color: var(--mzift-primary);
    color: #ffffff;
}

/* ==========================================================
   Image Dragging Prevention
   ========================================================== */
.mzift-page-image {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
}

/* ==========================================================
   PWA Standalone Mode Adjustments
   ========================================================== */
@media (display-mode: standalone) {
    .mzift-header {
        padding-top: var(--mzift-safe-top);
    }
}

/* ==========================================================
   iOS Specific Fixes
   ========================================================== */
@supports (-webkit-touch-callout: none) {
    /* iOS only */
    body {
        /* Prevent rubber banding */
        position: fixed;
        width: 100%;
        height: 100%;
    }
    
    .mzift-app {
        height: 100%;
        overflow: hidden;
    }
}

/* ==========================================================
   Range Input Styling
   ========================================================== */
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 0.5rem;
    background: #e5e7eb;
    border-radius: 0.25rem;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    background: var(--mzift-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--mzift-transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
    width: 1.25rem;
    height: 1.25rem;
    background: var(--mzift-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.mzift-theme-dark input[type="range"] {
    background: #374151;
}

/* ==========================================================
   Focus Mode
   ========================================================== */
.mzift-focus-mode .mzift-header {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.mzift-focus-mode .mzift-main {
    height: calc(100dvh - 60px);
    height: calc(var(--vh, 1vh) * 100 - 60px);
}

.mzift-focus-mode #mzift-zoom-controls,
.mzift-focus-mode #mzift-quick-juz {
    opacity: 0;
    pointer-events: none;
}

.mzift-hidden {
    transform: translateY(-100%);
    opacity: 0 !important;
    pointer-events: none !important;
    transition: all 0.3s ease;
}

/* ==========================================================
   3D Page Flip Animation (Arabic Book Style)
   - Binding on RIGHT side
   - Pages flip from RIGHT to LEFT when going NEXT
   ========================================================== */

/* Book container - provides 3D perspective */
.mzift-book-container {
    position: absolute;
    inset: 0;
    perspective: 2000px;
    perspective-origin: center center;
    transform-style: preserve-3d;
    pointer-events: none;
    z-index: 50;
    overflow: hidden;
}

/* The page that flips - Arabic style: pivot on RIGHT edge */
.mzift-page-flip {
    position: absolute;
    inset: 0;
    transform-origin: right center; /* Arabic: binding on RIGHT */
    transform-style: preserve-3d;
    backface-visibility: hidden;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 52;
    display: none;
}

.mzift-page-flip img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    backface-visibility: hidden;
}

/* Shadow overlay for realistic depth - on LEFT side for Arabic */
.mzift-page-flip::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, 
        rgba(0, 0, 0, 0.2) 0%, 
        rgba(0, 0, 0, 0.05) 15%,
        transparent 40%
    );
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* Page underneath (revealed during flip) */
.mzift-page-under {
    position: absolute;
    inset: 0;
    z-index: 51;
    display: none;
}

.mzift-page-under img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Shadow on the page underneath - on RIGHT side for Arabic */
.mzift-page-under::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50px;
    height: 100%;
    background: linear-gradient(to left, 
        rgba(0, 0, 0, 0.25) 0%, 
        transparent 100%
    );
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 53;
}

/* When flip is active */
.mzift-flip-active .mzift-page-flip,
.mzift-flip-active .mzift-page-under {
    display: flex;
    align-items: center;
    justify-content: center;
}

.mzift-flip-active .mzift-page-flip::after,
.mzift-flip-active .mzift-page-under::before {
    opacity: 1;
}

/* NEXT page flip (Arabic: page rotates from RIGHT toward LEFT) */
.mzift-flip-next {
    animation: flipNextArabic 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes flipNextArabic {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(180deg); /* Positive = flips LEFT (Arabic style) */
    }
}

/* PREV page flip (Arabic: page rotates back from LEFT toward RIGHT) */
.mzift-flip-prev {
    transform: rotateY(180deg);
    animation: flipPrevArabic 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes flipPrevArabic {
    0% {
        transform: rotateY(180deg);
    }
    100% {
        transform: rotateY(0deg); /* Back to flat */
    }
}

/* Page reveal animation for under page */
.mzift-under-next {
    animation: fadeInUnder 0.6s ease forwards;
}

.mzift-under-prev {
    animation: fadeOutUnder 0.6s ease forwards;
}

@keyframes fadeInUnder {
    0% {
        opacity: 0.7;
    }
    100% {
        opacity: 1;
    }
}

@keyframes fadeOutUnder {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0.7;
    }
}

/* Preview state (when user is swiping) */
.mzift-flip-preview .mzift-page-flip {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.1s ease-out;
}

.mzift-flip-preview .mzift-page-flip::after {
    opacity: 0.5;
}

/* Page curl effect using gradient - on LEFT for Arabic */
.mzift-page-flip.mzift-flip-next::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 30%;
    height: 100%;
    background: linear-gradient(to right,
        rgba(255, 255, 255, 0.15) 0%,
        transparent 100%
    );
    pointer-events: none;
    transform-origin: left center;
}

/* Book spine shadow - on RIGHT for Arabic */
.mzift-flip-active::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 25px;
    height: 100%;
    background: linear-gradient(to left,
        rgba(0, 0, 0, 0.35) 0%,
        rgba(0, 0, 0, 0.15) 40%,
        transparent 100%
    );
    z-index: 100;
    pointer-events: none;
}

/* ==========================================================
   Focus Mode Button in Bottom Nav
   ========================================================== */
.mzift-focus-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.mzift-focus-btn:hover {
    background-color: rgba(26, 71, 42, 0.1);
}

.mzift-focus-btn:active {
    transform: scale(0.95);
}

/* ==========================================================
   Reduced Motion Support
   ========================================================== */
@media (prefers-reduced-motion: reduce) {
    .mzift-page-flip,
    .mzift-page-under,
    .mzift-flip-next,
    .mzift-flip-prev {
        animation: none !important;
        transition: opacity 0.2s ease !important;
    }
    
    .mzift-flip-next {
        opacity: 0;
    }
}

/* ==========================================================
   Reading Mode: Fit Page (default - shows entire page)
   ========================================================== */
.mzift-fit-page .mzift-page-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.mzift-fit-page.mzift-main {
    overflow: hidden;
}

.mzift-fit-page.mzift-page-container {
    overflow: hidden;
}

/* ==========================================================
   Reading Mode: Fit Width (larger text, scroll to read)
   ========================================================== */
.mzift-fit-width.mzift-main {
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

.mzift-fit-width.mzift-page-container {
    height: auto;
    min-height: 100%;
    align-items: flex-start;
    overflow: visible;
}

.mzift-fit-width .mzift-page {
    position: relative;
    width: 100%;
    height: auto;
    min-height: auto;
}

.mzift-fit-width .mzift-page-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
}

.mzift-fit-width #mzift-page-current {
    position: relative;
    opacity: 1;
    transform: none;
}

.mzift-fit-width #mzift-page-prev,
.mzift-fit-width #mzift-page-next {
    display: none;
}

/* Hide zoom controls in Fit Width mode (pinch zoom still works) */
.mzift-fit-width ~ #mzift-zoom-controls {
    display: none;
}

/* Adjust padding for better readability */
.mzift-fit-width .mzift-page {
    padding: 0;
}

.mzift-fit-width .mzift-page-image {
    border-radius: 0;
    box-shadow: none;
}

/* ==========================================================
   Reading Mode Selector Buttons
   ========================================================== */
.mzift-reading-mode-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    background: white;
    transition: all 0.2s ease;
    min-width: 80px;
}

.mzift-reading-mode-btn:hover {
    border-color: var(--mzift-primary);
    background: rgba(26, 71, 42, 0.05);
}

.mzift-reading-mode-btn.mzift-active {
    border-color: var(--mzift-primary);
    background: var(--mzift-primary);
    color: white;
}

.mzift-reading-mode-btn svg {
    width: 24px;
    height: 24px;
    margin-bottom: 4px;
}

.mzift-reading-mode-btn span {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Dark mode adjustments */
.mzift-theme-dark .mzift-reading-mode-btn {
    background: #1f2937;
    border-color: #374151;
    color: #e5e7eb;
}

.mzift-theme-dark .mzift-reading-mode-btn:hover {
    border-color: var(--mzift-primary);
    background: rgba(26, 71, 42, 0.3);
}

.mzift-theme-dark .mzift-reading-mode-btn.mzift-active {
    background: var(--mzift-primary);
    color: white;
}

/* ==========================================================
   Data Management Buttons
   ========================================================== */
.mzift-data-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.mzift-data-btn svg {
    width: 18px;
    height: 18px;
}

.mzift-data-btn-update {
    background: var(--mzift-primary);
    color: white;
}

.mzift-data-btn-update:hover {
    background: var(--mzift-primary-light);
}

.mzift-data-btn-clear {
    background: #dc2626;
    color: white;
}

.mzift-data-btn-clear:hover {
    background: #b91c1c;
}

/* ==========================================================
   High Contrast Mode (Grayscale/B&W)
   Makes Tajweed colors black for easier reading
   ========================================================== */
.mzift-high-contrast .mzift-page-image {
    filter: grayscale(100%) contrast(1.4);
}

/* Slightly different for dark mode */
.mzift-theme-dark .mzift-high-contrast .mzift-page-image {
    filter: grayscale(100%) contrast(1.3) invert(1);
}

/* Sepia mode with high contrast */
.mzift-theme-sepia .mzift-high-contrast .mzift-page-image {
    filter: grayscale(100%) contrast(1.3) sepia(0.2);
}

/* ==========================================================
   End of Custom Styles - v1.5.0
   ========================================================== */