:root {
    --primary-color: #5a4bda;
    --primary-hover: #4a3bc8;
    --primary-rgb: 90 75 218;
    --primary-color-rgb: 90, 75, 218;
    --secondary-color: #6d61e7;
    --accent-color: #f972b9;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fa;
    --bg-tertiary: #eaedf3;
    --card-bg: #ffffff;
    --card-border: #eaedf3;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --card-shadow-hover: 0 6px 16px rgba(90, 75, 218, 0.12), 0 3px 8px rgba(90, 75, 218, 0.08),
        0 1px 4px rgba(90, 75, 218, 0.06);
    --skeleton-bg: #f0f0f0;
    --skeleton-shine: rgba(255, 255, 255, 0.8);
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --border-radius-sm: 0.375rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --transition-fast: 150ms ease;
    --transition: 300ms ease;
    --transition-slow: 500ms ease;
    --container-width: 1400px;
    --header-height: 4rem;
    --footer-height: 3rem;
    --box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1), 0 2px 6px rgba(0, 0, 0, 0.08);

    /* Compatibility mappings */
    --bg-card: var(--card-bg);
    --border-color: var(--card-border);
    --shadow: var(--card-shadow);
    --accent-hover: var(--primary-hover);
    --subject-img-bg: var(--bg-primary);
}

body {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    min-height: 100vh;
    padding-top: var(--header-height);
    transition: background-color var(--transition), color var(--transition);

    /* Compatibility mappings to dynamically inherit from body's active theme variables */
    --bg-card: var(--card-bg);
    --border-color: var(--card-border);
    --shadow: var(--card-shadow);
    --accent-hover: var(--primary-hover);
    --subject-img-bg: var(--bg-primary);
}

body.light {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

/* 10 Custom Themes Property Declarations */
.dark-mode {
    --primary-color: #6d62ee;
    --primary-hover: #7c72f5;
    --primary-rgb: 109 98 238;
    --primary-color-rgb: 109, 98, 238;
    --secondary-color: #5a4fcd;
    --text-primary: #ffffff;
    --text-secondary: #d0d0d0;
    --text-tertiary: #a0a0a0;
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #141414;
    --card-bg: #0a0a0a;
    --card-border: #1a1a1a;
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.9), 0 4px 16px rgba(0, 0, 0, 0.8), 0 2px 8px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(109, 98, 238, 0.15);
    --card-shadow-hover: 0 12px 48px rgba(109, 98, 238, 0.4), 0 8px 32px rgba(109, 98, 238, 0.3),
        0 4px 16px rgba(109, 98, 238, 0.2), 0 0 0 2px rgba(109, 98, 238, 0.5);
    --skeleton-bg: #141414;
    --skeleton-shine: rgba(255, 255, 255, 0.03);
    --enhanced-shadow: 0 0 0 1px rgba(109, 98, 238, 0.3), 0 4px 16px rgba(0, 0, 0, 0.8);
    --enhanced-shadow-hover: 0 0 0 2px rgba(109, 98, 238, 0.6), 0 8px 32px rgba(0, 0, 0, 0.9);
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

.sandalwood-mode {
    --primary-color: #c18c5d;
    --primary-hover: #a67347;
    --primary-rgb: 193 140 93;
    --primary-color-rgb: 193, 140, 93;
    --secondary-color: #dcb68a;
    --accent-color: #e6c8a4;
    --text-primary: #3e2723;
    --text-secondary: #5d4037;
    --text-tertiary: #8d6e63;
    --bg-primary: #f7f2ea;
    --bg-secondary: #efe7d8;
    --bg-tertiary: #e5d9c2;
    --card-bg: #ffffff;
    --card-border: #e2d8c3;
    --card-shadow: 0 4px 12px rgba(193, 140, 93, 0.12), 0 2px 6px rgba(193, 140, 93, 0.08);
    --card-shadow-hover: 0 6px 16px rgba(193, 140, 93, 0.2), 0 3px 8px rgba(193, 140, 93, 0.15);
    --skeleton-bg: #efe7d8;
    --skeleton-shine: rgba(255, 255, 255, 0.5);
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

.forest-emerald {
    --primary-color: #1b4d3e;
    --primary-hover: #12352a;
    --primary-rgb: 27 77 62;
    --primary-color-rgb: 27, 77, 62;
    --secondary-color: #52b788;
    --accent-color: #74c69d;
    --text-primary: #122822;
    --text-secondary: #2d5a4c;
    --text-tertiary: #5c8d7e;
    --bg-primary: #f0f7f4;
    --bg-secondary: #e1efe8;
    --bg-tertiary: #cedfd6;
    --card-bg: #ffffff;
    --card-border: #cadcd2;
    --card-shadow: 0 4px 12px rgba(27, 77, 62, 0.08), 0 2px 6px rgba(27, 77, 62, 0.05);
    --card-shadow-hover: 0 6px 16px rgba(27, 77, 62, 0.15), 0 3px 8px rgba(27, 77, 62, 0.1);
    --skeleton-bg: #e1efe8;
    --skeleton-shine: rgba(255, 255, 255, 0.5);
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

.ocean-deep {
    --primary-color: #00adb5;
    --primary-hover: #00828a;
    --primary-rgb: 0 173 181;
    --primary-color-rgb: 0, 173, 181;
    --secondary-color: #393e46;
    --accent-color: #00f5ff;
    --text-primary: #ffffff;
    --text-secondary: #d0d5dd;
    --text-tertiary: #98a2b3;
    --bg-primary: #0a0e17;
    --bg-secondary: #101623;
    --bg-tertiary: #172032;
    --card-bg: #101623;
    --card-border: #1d293d;
    --card-shadow: 0 8px 32px rgba(0, 173, 181, 0.08), 0 4px 16px rgba(0, 0, 0, 0.8);
    --card-shadow-hover: 0 12px 48px rgba(0, 173, 181, 0.3), 0 8px 32px rgba(0, 173, 181, 0.2),
        0 0 0 2px rgba(0, 173, 181, 0.4);
    --skeleton-bg: #172032;
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

.sakura-blossom {
    --primary-color: #d85a7f;
    --primary-hover: #c04568;
    --primary-rgb: 216 90 127;
    --primary-color-rgb: 216, 90, 127;
    --secondary-color: #fbc3d1;
    --accent-color: #ffdee6;
    --text-primary: #4a1c27;
    --text-secondary: #7c3d4b;
    --text-tertiary: #a67580;
    --bg-primary: #fff6f8;
    --bg-secondary: #fae5ea;
    --bg-tertiary: #f5d5dd;
    --card-bg: #ffffff;
    --card-border: #f7d8df;
    --card-shadow: 0 4px 12px rgba(216, 90, 127, 0.08), 0 2px 6px rgba(216, 90, 127, 0.05);
    --card-shadow-hover: 0 6px 16px rgba(216, 90, 127, 0.15), 0 3px 8px rgba(216, 90, 127, 0.1);
    --skeleton-bg: #fae5ea;
    --skeleton-shine: rgba(255, 255, 255, 0.5);
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

.dracula-midnight {
    --primary-color: #bd93f9;
    --primary-hover: #a878e6;
    --primary-rgb: 189 147 249;
    --primary-color-rgb: 189, 147, 249;
    --secondary-color: #282a36;
    --accent-color: #ff79c6;
    --text-primary: #f8f8f2;
    --text-secondary: #b3b3b3;
    --text-tertiary: #808080;
    --bg-primary: #18181f;
    --bg-secondary: #21212a;
    --bg-tertiary: #2a2b36;
    --card-bg: #21212a;
    --card-border: #323342;
    --card-shadow: 0 8px 32px rgba(189, 147, 249, 0.08), 0 4px 16px rgba(0, 0, 0, 0.8);
    --card-shadow-hover: 0 12px 48px rgba(189, 147, 249, 0.35), 0 8px 32px rgba(189, 147, 249, 0.25),
        0 0 0 2px rgba(189, 147, 249, 0.5);
    --skeleton-bg: #2a2b36;
    --skeleton-shine: rgba(255, 255, 255, 0.03);
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

.lavender-mist {
    --primary-color: #8b5cf6;
    --primary-hover: #7c3aed;
    --primary-rgb: 139 92 246;
    --primary-color-rgb: 139, 92, 246;
    --secondary-color: #ddd6fe;
    --accent-color: #ede9fe;
    --text-primary: #1e1b4b;
    --text-secondary: #4c1d95;
    --text-tertiary: #6d28d9;
    --bg-primary: #f5f3ff;
    --bg-secondary: #ede9fe;
    --bg-tertiary: #ddd6fe;
    --card-bg: #ffffff;
    --card-border: #ddd6fe;
    --card-shadow: 0 4px 12px rgba(139, 92, 246, 0.08), 0 2px 6px rgba(139, 92, 246, 0.05);
    --card-shadow-hover: 0 4px 12px rgba(139, 92, 246, 0.08), 0 2px 6px rgba(139, 92, 246, 0.05);
    --skeleton-bg: #ede9fe;
    --skeleton-shine: rgba(255, 255, 255, 0.5);
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

.cyberpunk-neon {
    --primary-color: #00ffff;
    --primary-hover: #00cccc;
    --primary-rgb: 0 255 255;
    --primary-color-rgb: 0, 255, 255;
    --secondary-color: #0d0e15;
    --accent-color: #ff0055;
    --text-primary: #ffffff;
    --text-secondary: #00ffff;
    --text-tertiary: #ff0055;
    --bg-primary: #050508;
    --bg-secondary: #0d0e15;
    --bg-tertiary: #161722;
    --card-bg: #0d0e15;
    --card-border: #161722;
    --card-shadow: 0 8px 32px rgba(0, 255, 255, 0.08), 0 4px 16px rgba(0, 0, 0, 0.8);
    --card-shadow-hover: 0 8px 32px rgba(0, 255, 255, 0.08), 0 4px 16px rgba(0, 0, 0, 0.8);
    --skeleton-bg: #161722;
    --skeleton-shine: rgba(255, 255, 255, 0.03);
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

/* Dark mode overrides for background cards & borders */
body:not(.light) .bg-card-bg {
    background-color: var(--bg-card) !important;
}

body:not(.light) .border-border-gray {
    border-color: var(--border-color) !important;
}

/* Header - Full Width */
#appHeader {
    height: var(--header-height);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-logo {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.header-logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}

.header-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.4px;
    line-height: 1;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-btn {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(var(--primary-color-rgb), 0.15) !important;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 6px 18px rgba(var(--primary-color-rgb), 0.35) !important;
}

.header-btn:hover {
    border-color: var(--primary-color) !important;
    border-width: 1.5px !important;
    background-color: var(--border-color);
    color: var(--primary-color) !important;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 24px rgba(var(--primary-color-rgb), 0.5) !important;
}

@media (max-width: 768px) {
    .header-btn {
        width: 32px;
        height: 32px;
    }
}

/* Logo static rounded design with permanent glow shadow and theme-color border */
.header-logo-img {
    border-radius: 50%;
    border: 2px solid var(--primary-color) !important;
    box-shadow: 0 0 16px rgba(var(--primary-color-rgb), 0.5) !important;
}

#backBtn {
    background: var(--card-bg) !important;
    color: var(--primary-color) !important;
    border: 1px solid var(--card-border) !important;
}

#backBtn:hover {
    transform: none !important;
}

/* Main Content - Full Width */
#mainContent {
    margin-left: 0;
    max-width: 100%;
    width: 100%;
    padding: 2rem;
}

@media (max-width: 768px) {
    #appHeader {
        padding: 0 16px;
    }

    #mainContent {
        padding: 0.75rem;
    }

    .header-btn {
        width: 32px;
        height: 32px;
    }

    #pageTitle {
        font-size: 16px;
    }
}

/* All existing styles */
.card-hover {
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: none;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(var(--primary-color-rgb), 0.3);
}

.card-hover:active {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(var(--primary-color-rgb), 0.2);
}

.cursor-pointer {
    cursor: pointer !important;
}

.tab-active {
    background-color: var(--primary-color) !important;
    color: white !important;
}

.tab-inactive {
    background: var(--card-bg);
    color: var(--text-secondary);
    border: 1px solid var(--card-border);
}

.tab-inactive:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Dark mode tab overrides */
body:not(.light) .tab-inactive {
    background: var(--card-bg) !important;
    color: var(--text-secondary) !important;
    border-color: var(--card-border) !important;
}

body:not(.light) .tab-inactive:hover {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

body:not(.light) .tab-active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    color: white !important;
    box-shadow: 0 4px 15px rgba(var(--primary-color-rgb), 0.3) !important;
    border: none !important;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.search-container {
    position: relative;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    max-height: 400px;
    overflow-y: auto;
    z-index: 50;
    display: none;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-tertiary);
}

.search-results::-webkit-scrollbar {
    width: 6px;
}

.search-results::-webkit-scrollbar-track {
    background: #2a2a2a;
    border-radius: 3px;
}

.search-results::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.search-results::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

@keyframes pageFadeIn {
    0% {
        opacity: 0;
        transform: translateY(12px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-animate-in {
    animation: pageFadeIn 0.35s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes dropdownFadeIn {
    0% {
        opacity: 0;
        transform: translateY(-8px) scale(0.98);
    }

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

.search-results-wrapper {
    display: none;
    background: #1a1a1a;
}

.search-results-wrapper.show-anim,
.search-results.show-anim {
    display: block !important;
    animation: dropdownFadeIn 0.25s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    transform-origin: top center;
}

/* Test Series Sub-Tabs */
.test-sub-tab {
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    border: 1px solid transparent;
}

.test-sub-tab.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(var(--primary-color-rgb), 0.3);
}

.test-sub-tab:not(.active) {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.test-sub-tab:not(.active):hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.search-result-item {
    padding: 0.75rem;
    border-bottom: 1px solid var(--card-border);
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-result-item:hover {
    background-color: var(--bg-secondary);
}

.search-result-item:last-child {
    border-bottom: none;
}

.skeleton {
    background: linear-gradient(90deg, var(--card-border) 25%, var(--bg-tertiary) 50%, var(--card-border) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

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

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

.skeleton-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    overflow: hidden;
}

.skeleton-image {
    width: 100%;
    height: 160px;
    background: var(--bg-secondary);
    border-radius: 0.375rem;
}

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
    border-radius: 0.25rem;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-text.medium {
    width: 80%;
}

.skeleton-text.long {
    width: 100%;
}

/* Progress bar styles */
.progress-bar {
    width: 100%;
    height: 6px;
    background: #2a2a2a;
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 3px;
    transition: width 0.3s ease;
}

body.light .progress-bar {
    background: #e5e7eb;
}

.pw-progress-bar-bg {
    background-color: #2a2a2a;
}

body.light .pw-progress-bar-bg {
    background-color: #e5e7eb !important;
}

/* Enhanced skeleton for better loading experience */
.skeleton-pulse {
    background: linear-gradient(90deg, #2a2a2a 25%, #3a3a3a 50%, #2a2a2a 75%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

@keyframes skeleton-pulse {
    0% {
        background-position: 200% 0;
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }

    100% {
        background-position: -200% 0;
        opacity: 1;
    }
}

/* Tab swipe functionality */
.tab-container {
    position: relative;
    overflow: hidden;
}

.tab-swipe-area {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

/* Enhanced tab button styles */
.tab-button {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.tab-button:hover {
    transform: translateY(-2px);
}

.tab-button:active {
    transform: scale(0.95);
}

/* Smooth content transitions */
.content-area {
    transition: opacity 0.3s ease-in-out;
}

.content-area.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Enhanced card hover effects */
.topic-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.topic-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px rgba(90, 75, 218, 0.4);
}

/* Smooth progress bar animations */
.progress-fill {
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced search input */
.search-input {
    transition: all 0.3s ease;
}

.search-input:focus {
    transform: scale(1.02);
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.15) !important;
}

/* Smooth tab transitions */
.tab-button {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced video card animations */
.video-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Enhanced responsive design */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 1024px) {
    .main-container {
        padding: 0 2rem;
    }
}

@media (max-width: 768px) {
    .topic-card {
        padding: 1rem;
    }

    .tab-button {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    .main-container {
        padding: 0 0.5rem;
    }
}

@media (max-width: 640px) {
    .grid-cols-1 {
        gap: 1rem;
    }

    .topic-card h3 {
        font-size: 1rem;
    }

    .progress-bar {
        height: 4px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Better touch targets */
.tab-button {
    min-height: 44px;
    min-width: 44px;
}

.topic-card {
    min-height: 120px;
}

/* Light theme overrides */
body.light {
    background: var(--bg-primary) !important;
    color: #1f2937 !important;
}

body.light .bg-card-bg {
    background-color: var(--bg-card) !important;
}

body.light .border-border-gray {
    border-color: var(--border-color) !important;
}

body.light .text-white {
    color: var(--text-primary) !important;
}

body.light .text-gray-300 {
    color: var(--text-secondary) !important;
}

body.light .text-gray-400 {
    color: #9ca3af !important;
}

body.light .text-gray-500 {
    color: #6b7280 !important;
}

body.light .placeholder-gray-400::placeholder {
    color: #9ca3af !important;
}

body.light .search-results {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}

body.light #loadingOverlay {
    background-color: rgba(255, 255, 255, 0.8) !important;
}

body.light #loadingOverlay span {
    color: #1f2937 !important;
}

body.light .skeleton-card {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}

body.light .skeleton-image {
    background: #f3f4f6 !important;
}

body.light .tab-inactive {
    background: var(--bg-card) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border-color) !important;
}

body.light .tab-inactive:hover {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

body.light .tab-active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    color: white !important;
}

body.light .btn-premium {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%) !important;
    color: #111827 !important;
}

body.light .bg-gray-800 {
    background-color: var(--bg-card) !important;
}

body.light .hover\:bg-gray-700:hover {
    background-color: var(--bg-secondary) !important;
}

.bg-custom-purple {
    background-color: var(--primary-color) !important;
}

.hover\:bg-purple-600:hover {
    background-color: var(--primary-hover) !important;
}

.text-custom-purple {
    color: var(--primary-color) !important;
}

.hover\:text-purple-400:hover {
    color: var(--primary-hover) !important;
}

/* Dynamic Theme Breadcrumbs Hover & Active */
.breadcrumb-item {
    color: var(--text-secondary) !important;
    background-color: transparent !important;
    transition: all 0.15s ease !important;
}

.breadcrumb-item:hover {
    color: var(--ac-color) !important;
    background-color: rgba(var(--ac-rgba), 0.10) !important;
}

.breadcrumb-item-active {
    color: var(--ac-color) !important;
    background-color: rgba(var(--ac-rgba), 0.10) !important;
}

/* Dynamic Theme Badges on Batch Details Hero Card */
.hero-badge {
    background-color: rgba(var(--primary-color-rgb), 0.12) !important;
    color: var(--primary-color) !important;
}

/* Keep button text white in light mode */
body.light .btn-pw-app {
    color: white !important;
    font-weight: bold !important;
}

body.light .btn-lets-study {
    color: white !important;
    font-weight: bold !important;
}

body.light .btn-download {
    color: white !important;
    font-weight: bold !important;
}

/* Ensure buttons are bold in both modes */
.btn-pw-app,
.btn-lets-study,
.btn-download {
    font-weight: bold !important;
}

/* Faculty cards in light mode */
body.light .faculty-card {
    background-color: #f8fafc !important;
}

/* Content tabs in dark mode */
body.dark .content-tabs-card,
body:not(.light) .content-tabs-card {
    background: var(--card-bg) !important;
    border-color: var(--card-border) !important;
}

/* Notes and DPP cards download button text color */
body.light .notes-download-btn {
    color: white !important;
}

body.light .dpp-download-btn {
    color: white !important;
}

/* Theme-aware image placeholders */
.img-placeholder {
    background-color: var(--bg-secondary) !important;
}

body.light .img-placeholder {
    background-color: #e5e7eb !important;
}

.no-img-bg {
    background-color: var(--bg-tertiary) !important;
}

body.light .no-img-bg {
    background-color: #f3f4f6 !important;
}


/* Announcement Card Styling */
.announcement-card {
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.15);
    border: none !important;
    transition: none !important;
}

.announcement-card:hover {
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.15) !important;
    transform: none !important;
}

.announcement-card.is-mahapack {
    box-shadow: 0 0 15px rgba(255, 107, 53, 0.25) !important;
    border: 1px solid rgba(255, 107, 53, 0.2) !important;
}

body.dark .announcement-card,
body:not(.light) .announcement-card {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(var(--primary-color-rgb), 0.15) !important;
    background: var(--card-bg) !important;
}

body.dark .announcement-card.is-mahapack,
body:not(.light) .announcement-card.is-mahapack {
    box-shadow: 0 0 15px rgba(255, 107, 53, 0.2) !important;
    border: 1px solid rgba(255, 107, 53, 0.25) !important;
}

/* Search Result Highlight */
.batch-card-wrap.is-highlighted {
    border: 1px solid rgba(var(--primary-color-rgb), 0.6) !important;
    box-shadow: 0 0 0 1px rgba(var(--primary-color-rgb), 0.4), 0 15px 40px -10px rgba(var(--primary-color-rgb), 0.3) !important;
}

.batch-card-wrap.is-highlighted::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(var(--primary-color-rgb), 0.08);
    pointer-events: none;
    z-index: 50;
}

body.dark .batch-card-wrap.is-highlighted,
body:not(.light) .batch-card-wrap.is-highlighted {
    border: 1px solid rgba(var(--primary-color-rgb), 0.8) !important;
    box-shadow: 0 0 0 1px rgba(var(--primary-color-rgb), 0.6), 0 12px 35px -5px rgba(var(--primary-color-rgb), 0.25) !important;
}

body.dark .batch-card-wrap.is-highlighted::after,
body:not(.light) .batch-card-wrap.is-highlighted::after {
    background: rgba(var(--primary-color-rgb), 0.15);
}

/* Search input highlighting */
.search-highlight {
    color: var(--primary-color) !important;
    font-weight: bold;
}

/* Premium button */
.btn-premium {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    color: #111827;
}

.btn-premium:hover {
    filter: brightness(0.95);
}

/* Selected card styles */
.selected-card {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 1px var(--primary-color) !important;
}

.selected-card .text-white {
    color: var(--primary-color) !important;
}

body.light .selected-card .text-white {
    color: var(--primary-color) !important;
}

.content-tabs-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

/* Content tabs spacing */
.content-tabs-card .flex {
    gap: 0.75rem;
}

.content-tabs-card .grid {
    gap: 0.5rem;
}

.content-tabs-card .tab-button {
    padding: 0.75rem 1.5rem;
    margin: 0 0.25rem;
}

/* Mobile tabs - ensure proper sizing */
@media (max-width: 768px) {
    .content-tabs-card .tab-button {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
        min-height: 2.5rem;
    }
}

/* Batch details tabs */
.tab-item {
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-item:hover .tab-text {
    color: var(--primary-color) !important;
}

.tab-text {
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-underline {
    transition: background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tab content */
.tab-content {
    transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-content.hidden {
    display: none;
}

/* Batch description text - ensure visibility in both themes */
.batch-description-text {
    color: #d1d5db;
    line-height: 1.6;
}

body.light .batch-description-text {
    color: #374151;
}

/* Announcement attachment image */
.announcement-attachment {
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: 0.5rem;
    width: 100%;
    height: auto;
}

/* Image popup modal */
#imagePopup {
    backdrop-filter: blur(4px);
}

#imagePopup img {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
}

/* Video card styles */
.video-image {
    transition: opacity 0.3s ease;
}

.video-menu-popup {
    min-width: 180px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.video-menu-popup button {
    border-radius: 0.375rem;
}

.video-menu-popup button:first-child {
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.video-menu-popup button:last-child {
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
}

/* Ensure cross icon is always white */
#closeImagePopup svg {
    stroke: white !important;
}

#closeImagePopup:hover svg {
    stroke: #d1d5db !important;
}

/* Ensure URLs don't overflow in announcement cards and have theme-aware high contrast colors */
.announcement-card a {
    word-break: break-all;
    overflow-wrap: break-word;
    max-width: 100%;
    color: var(--primary-color) !important;
    text-decoration: underline;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.announcement-card a:hover {
    color: var(--primary-hover) !important;
}

/* Card text overflow prevention */
.announcement-text {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}



/* LIGHT MODE — Details Box */
/* LIGHT MODE — Details Box */
.test-info-grid {
    background: linear-gradient(180deg,
            #FFFFFF 0%,
            #FAFBFF 100%);
    border: 1px solid #E6EAF2;
    box-shadow: 6px 6px 14px -4px rgba(0, 0, 0, 0.22);
    transition: all 0.3s ease;
}

/* Divider */
.test-info-divider {
    border-top: 1px solid #E6EAF2;
}

/* LIGHT MODE — Fix Text Colors inside details box */
body.light .test-info-grid span:first-child {
    color: #6B7280 !important;
    /* label text: Questions, Duration */
}

body.light .test-info-grid span:last-child {
    color: #111827 !important;
    /* value text: 90, 180m */
    font-weight: 700 !important;
}

/* LIGHT MODE — Mark Done Button */
body.light #test-grid .bg-white {
    background: #FFFFFF !important;
    border: none !important;
    color: #1F2937 !important;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
}

/* START NOW button — old original premium purple */
.test-primary-btn {
    background: linear-gradient(135deg,
            var(--primary-color) 0%,
            var(--primary-color) 100%) !important;
    border: none !important;
    box-shadow: 0 8px 20px rgba(var(--primary-color-rgb), 0.18);
}

.test-primary-btn:hover {
    background: linear-gradient(135deg,
            var(--primary-hover) 0%,
            var(--primary-hover) 100%) !important;
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(var(--primary-color-rgb), 0.24);
}

/* DARK MODE keep same */
body.dark .test-info-grid,
body:not(.light) .test-info-grid {
    background: #060608 !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25) !important;
}

body.dark .test-info-divider,
body:not(.light) .test-info-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
}

/* Top Action / Generic Button styles */
.btn-top-action {
    background-color: #ffffff !important;
    color: #1f2937 !important;
    border-color: #e5e7eb !important;
    transition: all 0.3s ease !important;
}

.btn-top-action:hover {
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    background-color: #f9fafb !important;
}

body:not(.light) .btn-top-action,
body.dark .btn-top-action {
    background-color: #09090b !important;
    color: #a1a1aa !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
}

body:not(.light) .btn-top-action:hover,
body.dark .btn-top-action:hover {
    color: #ffffff !important;
    background-color: #121216 !important;
    border-color: rgba(var(--primary-color-rgb), 0.65) !important;
}

/* Content Card Dark overrides */
body:not(.light) .ss-content-card,
body.dark .ss-content-card {
    background-color: var(--bg-card) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
}

body:not(.light) .ss-content-card:hover,
body.dark .ss-content-card:hover {
    border-color: rgba(90, 75, 218, 0.45) !important;
    box-shadow: 0 8px 30px rgba(90, 75, 218, 0.2) !important;
}

/* Button hover effects */
.btn-lets-study:hover,
.btn-download:hover {
    color: var(--primary-color) !important;
}

/* PW APP button - no color change on hover */
.btn-pw-app:hover {
    color: white !important;
}

/* Let's Study button - always white text */
.btn-lets-study,
.btn-lets-study:hover {
    color: white !important;
}

/* Top action buttons hover effects */
.bg-gray-800:hover {
    color: var(--primary-color) !important;
}

/* Light mode button colors and hover effects */
body.light .bg-white {
    background-color: white !important;
    color: #1f2937 !important;
    border: 1px solid #e5e7eb !important;
}

body.light .bg-white:hover {
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

/* Dark mode hover effects */
body.dark .bg-gray-800:hover {
    color: var(--primary-color) !important;
}

/* View PDF button hover effect */
.bg-gray-600:hover {
    color: var(--primary-color) !important;
}

/* Download button - no color change on hover */
.btn-download:hover {
    color: white !important;
}

/* View PDF button styling */
.view-pdf-btn {
    background-color: #4b5563 !important;
    color: white !important;
}

.view-pdf-btn:hover {
    background-color: #374151 !important;
    color: var(--primary-color) !important;
}

/* Light mode View PDF button */
body.light .view-pdf-btn {
    background-color: white !important;
    color: #1f2937 !important;
    border: 1px solid #e5e7eb !important;
}

body.light .view-pdf-btn:hover {
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

/* Mobile dark theme buttons */
@media (max-width: 768px) {
    .bg-white {
        background-color: #000000 !important;
        color: #d1d5db !important;
    }

    .bg-white:hover {
        color: var(--primary-color) !important;
    }
}

/* Light mode mobile buttons */
body.light .bg-white {
    background-color: white !important;
    color: #1f2937 !important;
}

/* Video card image hover effects */
.aspect-video img {
    transition: transform 0.3s ease !important;
}

.aspect-video:hover img {
    transform: scale(1.05) !important;
}

/* Dark mode custom overrides for premium pitch dark style */
body:not(.light) .search-results {
    background: var(--card-bg) !important;
    border-color: var(--card-border) !important;
    scrollbar-color: var(--primary-color) var(--bg-primary) !important;
}

body:not(.light) .search-results::-webkit-scrollbar-track {
    background: var(--card-bg) !important;
}

body:not(.light) .search-results-wrapper {
    background: var(--card-bg) !important;
}

body:not(.light) .search-result-item {
    border-bottom-color: var(--card-border) !important;
}

body:not(.light) .search-result-item:hover {
    background-color: var(--bg-secondary) !important;
}

body:not(.light) .skeleton {
    background: linear-gradient(90deg, var(--card-bg) 25%, var(--bg-secondary) 50%, var(--card-bg) 75%) !important;
}

body:not(.light) .skeleton-card {
    background: var(--card-bg) !important;
    border-color: var(--card-border) !important;
}

body:not(.light) .skeleton-image {
    background: var(--bg-secondary) !important;
}

body:not(.light) .skeleton-pulse {
    background: linear-gradient(90deg, var(--card-bg) 25%, var(--bg-secondary) 50%, var(--card-bg) 75%) !important;
}

body:not(.light) .content-tabs-card {
    background: var(--card-bg) !important;
    border-color: var(--card-border) !important;
}

body:not(.light) #recentlyWatchedSection {
    background: var(--card-bg) !important;
    border-color: var(--card-border) !important;
}

/* Additional elements compatibility classes */
.app-header {
    background-color: var(--card-bg) !important;
    border-bottom: 1px solid var(--card-border) !important;
    transition: background-color var(--transition), border-color var(--transition);
}

.logo {
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.icon-btn {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    transition: all var(--transition-fast) !important;
}

.icon-btn:hover {
    background-color: var(--bg-tertiary) !important;
    color: var(--primary-color) !important;
    transform: translateY(-1px);
}

.app-footer {
    color: var(--text-tertiary) !important;
    border-top: 1px solid var(--card-border) !important;
    transition: all var(--transition);
}

/* Dynamic Theme Specific Layout Overrides */
.cyberpunk-neon #appHeader {
    border-bottom: 2px solid var(--primary-color) !important;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2) !important;
}

.cyberpunk-neon .theme-modal-container {
    border: 2px solid var(--primary-color) !important;
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.15) !important;
}

.dracula-midnight #appHeader {
    border-bottom: 1px solid rgba(189, 147, 249, 0.3) !important;
}

.sakura-blossom #appHeader {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--card-border) !important;
}

.sandalwood-mode #appHeader {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--card-border) !important;
}

.forest-emerald #appHeader {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--card-border) !important;
}

.ocean-deep #appHeader {
    border-bottom: 1px solid rgba(0, 173, 181, 0.3) !important;
}

/* Theme Selector Modal Styles */
.theme-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.theme-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.theme-modal-container {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-xl, 1rem);
    box-shadow: var(--box-shadow);
    width: 90%;
    max-width: 580px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.theme-modal-overlay.active .theme-modal-container {
    transform: scale(1);
}

.theme-modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.theme-modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.theme-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-modal-close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.theme-modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
    scrollbar-width: thin;
}

.theme-modal-body::-webkit-scrollbar {
    width: 6px;
}

.theme-modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.theme-modal-body::-webkit-scrollbar-thumb {
    background-color: var(--card-border);
    border-radius: 3px;
}

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

@media (max-width: 480px) {
    .theme-grid {
        grid-template-columns: 1fr;
    }
}

.theme-card {
    background-color: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg, 0.75rem);
    padding: 1rem;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-fast);
}

.theme-card:hover {
    background-color: var(--bg-tertiary);
    transform: translateY(-2px);
}

.theme-card.active {
    border-color: var(--primary-color);
    background-color: rgba(var(--primary-color-rgb), 0.08);
}

.theme-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--card-bg);
    color: var(--primary-color);
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.theme-card-info {
    flex: 1;
    min-width: 0;
}

.theme-card-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.theme-card-desc {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.theme-card-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-fast);
}

.theme-card.active .theme-card-badge {
    opacity: 1;
    transform: scale(1);
}

/* Batches Cards Action Bar Modification */
.batch-action-bar {
    position: absolute !important;
    bottom: 12px !important;
    left: 12px !important;
    right: 12px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    background: rgba(var(--primary-color-rgb), 0.12) !important;
    border: 1px solid rgba(var(--primary-color-rgb), 0.08) !important;
    padding: 2px 2px 2px 12px !important;
    border-radius: 10px !important;
    box-sizing: border-box !important;
    transition: all 0.2s ease !important;
    z-index: 10 !important;
}

body.dark .batch-action-bar,
body:not(.light) .batch-action-bar {
    background: rgba(var(--primary-color-rgb), 0.15) !important;
    border: 1px solid rgba(255, 255, 255, 0.03) !important;
}

.batch-date-wrap {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    color: var(--text-primary) !important;
    font-weight: 600 !important;
    font-size: 12.5px !important;
}

.batch-calendar-icon {
    width: 15px !important;
    height: 15px !important;
    color: var(--primary-color) !important;
    flex-shrink: 0 !important;
    opacity: 0.85 !important;
}

.btn-lets-study {
    background: var(--primary-color) !important;
    color: white !important;
    border: none !important;
    padding: 9px 18px !important;
    border-radius: 8px !important;
    font-weight: 700 !important;
    font-size: 12px !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
    cursor: pointer !important;
    box-shadow: 0 4px 12px rgba(var(--primary-color-rgb), 0.45) !important;
}

.btn-lets-study:hover {
    transform: translateY(-1px) !important;
    box-shadow: 0 6px 18px rgba(var(--primary-color-rgb), 0.6) !important;
    filter: brightness(1.1) !important;
    color: white !important;
}

.btn-lets-study:active {
    transform: translateY(1px) !important;
}

/* ============================================================
   Ye sab rules tumhari existing CSS me MISSING the — sirf inhi ko
   apni file me end me paste kar do.
   ============================================================ */

/* PW Khazana Card styles */
.card_khazana {
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    box-shadow: var(--card-shadow) !important;
    padding: 8px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    cursor: pointer !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.card_khazana:hover {
    transform: translateY(-4px) !important;
    box-shadow: var(--card-shadow-hover) !important;
}

.card_khazana .thumbnail {
    position: relative !important;
    height: 140px !important;
    border-radius: 8px !important;
    overflow: hidden !important;
    background-color: var(--bg-secondary) !important;
}

.card_khazana .chip {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    background: rgb(249, 112, 102) !important;
    color: #fff !important;
    font-weight: 600 !important;
    font-size: 10px !important;
    line-height: 16px !important;
    padding: 0.25rem 0.5rem !important;
    border-top-left-radius: 8px !important;
    border-bottom-right-radius: 8px !important;
    z-index: 2 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    white-space: nowrap !important;
}

.card_khazana .teacher-img {
    width: 100% !important;
    height: 100% !important;
}

.card_khazana .teacher-img>div {
    width: 100% !important;
    height: 100% !important;
    position: relative !important;
}

.card_khazana .teacher-img img:first-child {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
}

.card_khazana .teacher-img img:last-child {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    position: absolute !important;
    inset: 0 !important;
    z-index: 1 !important;
    transform: translateY(8px) !important;
}

.card_khazana .khazana_title {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    line-height: 20px !important;
    margin-bottom: 4px !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.card_khazana .khazana_teacher {
    font-size: 12px !important;
    color: var(--text-secondary) !important;
}

.khazana-grid-item {
    width: 100% !important;
}

.khazana-scroller-item {
    width: calc((100% - 16px) / 1.5) !important;
    flex-shrink: 0 !important;
}

@media (min-width: 640px) {
    .khazana-scroller-item {
        width: calc((100% - 2 * 16px) / 2.5) !important;
    }
}

@media (min-width: 1024px) {
    .khazana-scroller-item {
        width: calc((100% - 4 * 16px) / 4.5) !important;
    }
}

/* PW Teacher Card styles matching Kundan's mockup */
.teacher-card {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    cursor: pointer !important;
    transition: transform 0.25s ease-in-out !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    width: 100% !important;
}

.teacher-card:hover {
    transform: translateY(-6px) !important;
}

.teacher-image {
    width: 100% !important;
    aspect-ratio: 1/1.18 !important;
    border-radius: 18px !important;
    background: radial-gradient(circle at center, #f4fbf7 0%, #e5f6ed 100%) !important;
    position: relative !important;
    overflow: hidden !important;
    display: flex !important;
    justify-content: center !important;
    align-items: flex-end !important;
    border: 1px solid rgba(0, 0, 0, 0.02) !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.02) !important;
}

body.dark .teacher-image {
    background: radial-gradient(circle at center, #14281e 0%, #0c1812 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.02) !important;
}

.teacher-image::before {
    content: "" !important;
    position: absolute !important;
    inset: 0 !important;
    background: repeating-radial-gradient(circle at center,
            rgba(0, 0, 0, 0.02) 0px,
            rgba(0, 0, 0, 0.02) 1px,
            transparent 1px,
            transparent 14px) !important;
    z-index: 1 !important;
    pointer-events: none !important;
}

body.dark .teacher-image::before {
    background: repeating-radial-gradient(circle at center,
            rgba(255, 255, 255, 0.025) 0px,
            rgba(255, 255, 255, 0.025) 1px,
            transparent 1px,
            transparent 14px) !important;
}

.teacher-image img {
    position: relative !important;
    z-index: 2 !important;
    width: auto !important;
    height: 92% !important;
    object-fit: contain !important;
    transition: transform 0.3s ease-in-out !important;
}

.teacher-card:hover .teacher-image img {
    transform: scale(1.04) !important;
}

.teacher-name {
    margin-top: 10px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    text-align: center !important;
    line-height: 1.3 !important;
}

/* PW Chapter Card styles */
.chapter-card {
    cursor: pointer !important;
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    box-shadow: var(--card-shadow) !important;
    overflow: hidden !important;
    transition: transform .2s ease, box-shadow .2s ease !important;
    width: 100% !important;
}

.chapter-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: var(--card-shadow-hover) !important;
}

.chapter-body {
    padding: 18px !important;
}

.chapter-body h5 {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    line-height: 1.4 !important;
    margin-bottom: 10px !important;
}

.chapter-body p {
    font-size: 13px !important;
    color: var(--text-secondary) !important;
}

/* Khazana Subtopics Tabs CSS */
.khazana-subtopics-tabs {
    display: flex !important;
    gap: 6px !important;
    flex-wrap: wrap !important;
    padding: 6px !important;
    background: rgba(var(--primary-color-rgb), 0.08) !important;
    border-radius: 12px !important;
    margin-bottom: 32px !important;
}

.khazana-subtopic-tab {
    border: none !important;
    outline: none !important;
    background: transparent !important;
    color: var(--text-primary) !important;
    padding: 11px 18px !important;
    border-radius: 8px !important;
    cursor: pointer !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    transition: all 0.25s ease !important;
    white-space: nowrap !important;
}

.khazana-subtopic-tab:hover {
    background: rgba(var(--primary-color-rgb), 0.12) !important;
}

.khazana-subtopic-tab.active {
    background: var(--primary-color) !important;
    color: #fff !important;
    box-shadow: 0 4px 10px rgba(var(--primary-color-rgb), 0.28) !important;
}

.khazana-subtopic-tab.active:hover {
    background: var(--primary-hover) !important;
}

/* Video Card Component */
.video-card {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 4px !important;
    width: 100% !important;
    overflow: hidden !important;
    box-shadow: var(--card-shadow) !important;
    transition: box-shadow 0.3s ease, transform 0.3s ease !important;
    display: flex !important;
    flex-direction: column !important;
    cursor: pointer !important;
}

.video-card:hover {
    box-shadow: var(--card-shadow-hover) !important;
    transform: translateY(-4px) !important;
}

.card-image-wrapper {
    position: relative !important;
    width: 100% !important;
    aspect-ratio: 16 / 9 !important;
    display: block !important;
    background-color: var(--bg-secondary) !important;
}

.card-image-wrapper .thumbnail {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
}

.card-image-wrapper .play-icon {
    cursor: pointer !important;
    vertical-align: middle !important;
    display: block !important;
    max-width: 100% !important;
    height: auto !important;
    position: absolute !important;
    bottom: 0px !important;
    right: 0px !important;
}

.card-details {
    padding: 16px !important;
    display: flex !important;
    flex-direction: column !important;
    flex-grow: 1 !important;
}

.card-meta {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    font-size: 12px !important;
    color: var(--text-secondary) !important;
    margin-bottom: 8px !important;
    font-weight: 500 !important;
}

.duration {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
}

.duration .clock-icon {
    width: 16px !important;
    height: 16px !important;
    vertical-align: middle !important;
}

.video-card .card-title {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    line-height: 20px !important;
    margin: 0 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

/* Exercise/Notes Card Component */
.exercise-card {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    position: relative !important;
    border-radius: 6px !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease !important;
}

.exercise-card:hover {
    transform: translateY(-4px) !important;
}

.card-top {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px 6px 0 0 !important;
    padding: 16px 16px 20px 16px !important;
    box-shadow: 0 4px 15px rgba(33, 43, 85, 0.08) !important;
    position: relative !important;
    z-index: 2 !important;
    cursor: pointer !important;
    flex-grow: 1 !important;
}

body.dark .card-top {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4) !important;
}

.exercise-card .card-title {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin: 0 !important;
    line-height: 1.4 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.card-bottom {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    border-top: none !important;
    padding: 12px 16px !important;
    border-radius: 0 0 6px 6px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    position: relative !important;
    z-index: 1 !important;
}

.pdf-icon {
    height: 24px !important;
    width: auto !important;
    cursor: pointer !important;
}

.download-icon {
    width: 40px !important;
    height: 40px !important;
    cursor: pointer !important;
    transition: transform 0.2s ease !important;
}

.download-icon:hover {
    transform: scale(1.08) !important;
}

/* ==========================================================================
   PW - POWERED BY LULLI GANG MODERN UI REDESIGN
   ========================================================================== */

/* Brand & Header Redesign */
#appHeader,
.app-header {
    height: 64px !important;
    background: rgba(18, 18, 24, 0.88) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 4px 24px -1px rgba(0, 0, 0, 0.35) !important;
    padding: 0 20px !important;
    z-index: 50;
}

body.light #appHeader,
body.light .app-header {
    background: rgba(255, 255, 255, 0.9) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05) !important;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-logo {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    text-decoration: none !important;
    width: auto !important;
    height: auto !important;
}

.brand-pw-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #7c3aed 100%);
    color: #ffffff;
    font-family: 'Sora', system-ui, -apple-system, sans-serif;
    font-weight: 900;
    font-size: 17px;
    letter-spacing: -0.5px;
    box-shadow: 0 4px 16px rgba(var(--primary-color-rgb), 0.45);
    flex-shrink: 0;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.header-logo:hover .brand-pw-badge {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(var(--primary-color-rgb), 0.6);
}

.brand-text-block {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.15;
}

.brand-name {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'Sora', system-ui, sans-serif;
    letter-spacing: -0.2px;
}

.brand-pill {
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 1px 7px;
    border-radius: 9999px;
    background: rgba(var(--primary-color-rgb), 0.15);
    color: var(--primary-color);
    border: 1px solid rgba(var(--primary-color-rgb), 0.3);
}

.brand-sub {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.4px;
    text-transform: uppercase;
    font-family: 'Sora', system-ui, sans-serif;
    white-space: nowrap;
}

.header-btn {
    width: 38px !important;
    height: 38px !important;
    border-radius: 10px !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    background: rgba(255, 255, 255, 0.04) !important;
    color: var(--text-secondary) !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
    box-shadow: none !important;
}

body.light .header-btn {
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    background: rgba(0, 0, 0, 0.03) !important;
}

.header-btn:hover {
    color: #ffffff !important;
    background: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 14px rgba(var(--primary-color-rgb), 0.4) !important;
}

body.light .header-btn:hover {
    color: #ffffff !important;
}

/* Redesigned Content Cards (Batches & Courses) */
.batch-card-wrap,
.ss-content-card {
    border-radius: 16px !important;
    background: var(--bg-card) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.3) !important;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease !important;
    overflow: hidden !important;
}

body.light .batch-card-wrap,
body.light .ss-content-card {
    background: #ffffff !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    box-shadow: 0 8px 20px -4px rgba(0, 0, 0, 0.06) !important;
}

.batch-card-wrap:hover,
.ss-content-card:hover {
    transform: translateY(-5px) !important;
    border-color: rgba(var(--primary-color-rgb), 0.5) !important;
    box-shadow: 0 20px 35px -8px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(var(--primary-color-rgb), 0.35) !important;
}

body.light .batch-card-wrap:hover,
body.light .ss-content-card:hover {
    box-shadow: 0 20px 30px -8px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(var(--primary-color-rgb), 0.3) !important;
}

/* Card Image & Placeholder */
.batch-card-wrap .img-placeholder,
.ss-content-card .img-placeholder {
    border-radius: 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
}

/* Let's Study Button */
.btn-lets-study {
    background: linear-gradient(135deg, var(--primary-color) 0%, #7c3aed 100%) !important;
    color: #ffffff !important;
    border-radius: 12px !important;
    font-weight: 700 !important;
    font-size: 14px !important;
    padding: 10px 16px !important;
    box-shadow: 0 4px 14px rgba(var(--primary-color-rgb), 0.35) !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    border: none !important;
}

.btn-lets-study:hover {
    transform: translateY(-1px) scale(1.02) !important;
    box-shadow: 0 6px 20px rgba(var(--primary-color-rgb), 0.5) !important;
    color: #ffffff !important;
}

.btn-lets-study:active {
    transform: translateY(0) scale(0.98) !important;
}

/* Tabs & Filter Redesign */
.tab-active,
#tab-all-batches.tab-active {
    background: var(--primary-color) !important;
    color: #ffffff !important;
    border-radius: 12px !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 16px rgba(var(--primary-color-rgb), 0.35) !important;
}

button[id^="tab-"] {
    border-radius: 12px !important;
    font-weight: 600 !important;
    transition: all 0.2s ease !important;
}

/* Main Container Polish */
#mainContent {
    min-height: calc(100vh - 140px) !important;
    padding-bottom: 40px !important;
}

/* Search Bar Redesign */
.search-container input,
#globalSearchInput,
#batchSearchInput {
    border-radius: 14px !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    background: rgba(255, 255, 255, 0.03) !important;
    transition: all 0.2s ease !important;
}

body.light .search-container input,
body.light #globalSearchInput,
body.light #batchSearchInput {
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    background: #ffffff !important;
}

.search-container input:focus,
#globalSearchInput:focus,
#batchSearchInput:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.25) !important;
    outline: none !important;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .brand-sub {
        display: none !important;
    }
    .brand-pw-badge {
        width: 34px !important;
        height: 34px !important;
        font-size: 15px !important;
    }
    .header-btn {
        width: 34px !important;
        height: 34px !important;
    }
}