/* COLOR PALETTE */
:root {
    --primary: #FF007A; 
    --primary-light: #FF5E5E; 
    --primary-grad: linear-gradient(135deg, #FF007A 0%, #FF7A00 100%);
    --dark-blue: #0A0F1C;
    
    --bg-page: #F4F7FA;
    --bg-card: #FFFFFF;
    --bg-card-subtle: #EDF2F7;
    --text-main: #111827;
    --text-muted: #6B7280;
    --border-subtle: #E5E7EB;
    --border-hover: #D1D5DB;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 20px 25px -5px rgba(255, 0, 122, 0.15);
    --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.06);

    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --radius-pill: 9999px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-page: #0A0F1C;
    --bg-card: #151F32;
    --bg-card-subtle: #1E293B;
    --text-main: #F9FAFB;
    --text-muted: #9CA3AF;
    --border-subtle: #1E293B;
    --border-hover: #374151;
    --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* 1. GLOBAL RESPONSIVE SAFETY, RESETS & SECURITY LOCKS */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; min-width: 0; }
html { scroll-behavior: smooth; max-width: 100vw; overflow-x: hidden; width: 100%; -webkit-text-size-adjust: 100%; }
body { 
    background-color: var(--bg-page); color: var(--text-main); 
    line-height: 1.6; font-family: 'Inter', sans-serif;
    padding-top: 66px; 
    -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none;
    transition: background-color 0.3s, color 0.3s; 
    max-width: 100vw; overflow-x: hidden; width: 100%;
    position: relative;
}
input, textarea { -webkit-user-select: text; -moz-user-select: text; user-select: text; }
@media (min-width: 768px) { body { padding-top: 84px; } } 

h1, h2, h3 { font-family: 'Plus Jakarta Sans', sans-serif; letter-spacing: -0.03em; }
img, svg, video { max-width: 100%; height: auto; -webkit-user-drag: none; user-drag: none; }

/* 2. CONTAINER FLUIDITY */
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 14px; }
@media (min-width: 640px) { .container { padding: 0 20px; } }
@media (min-width: 1024px) { .container { padding: 0 24px; } }

/* 3. NAVBAR - RESPONSIVE & SINGLE-LINE DESKTOP ALIGNMENT */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; height: 66px;
    background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle); box-shadow: var(--shadow-nav);
    z-index: 1000; display: flex; align-items: center; transition: background-color 0.3s;
}
[data-theme="dark"] .navbar { background: rgba(10, 15, 28, 0.92); }
@media (min-width: 768px) { .navbar { height: 84px; } }

.nav-container { display: flex; justify-content: space-between; align-items: center; width: 100%; gap: 10px; }
@media (min-width: 1024px) { .nav-container { gap: 16px; } }

.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.header-logo { height: 30px; width: auto; object-fit: contain; flex-shrink: 0; } 
@media (min-width: 768px) { .header-logo { height: 42px; } .nav-brand { gap: 12px; } } 

.nav-text-container { display: flex; flex-direction: column; justify-content: center; }
.nav-title { font-size: 1.15rem; font-weight: 800; color: var(--text-main); line-height: 1.1; white-space: nowrap; }
.nav-title span { background: var(--primary-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
@media (min-width: 768px) { .nav-title { font-size: 1.35rem; } }

.nav-subtitle { display: none; }
@media (min-width: 1140px) { .nav-subtitle { display: block; font-size: 0.75rem; color: var(--text-muted); font-weight: 600; white-space: nowrap; } }

.main-nav-links { display: none; }
@media (min-width: 1024px) { 
    .main-nav-links { 
        display: flex; gap: 8px; align-items: center; justify-content: center; flex-grow: 1; flex-wrap: nowrap;
    } 
}
@media (min-width: 1200px) { .main-nav-links { gap: 18px; } }

.nav-link { 
    text-decoration: none; font-weight: 600; font-size: 0.92rem; color: var(--text-muted); 
    display: inline-flex; align-items: center; gap: 7px; transition: var(--transition); 
    padding: 8px 13px; border-radius: var(--radius-pill); white-space: nowrap; flex-shrink: 0;
}
.nav-link:hover, .nav-link.active { color: var(--primary); background: rgba(255, 0, 122, 0.08); }

.header-actions { display: flex; align-items: center; gap: 8px; justify-content: flex-end; flex-shrink: 0; }
@media (min-width: 768px) { .header-actions { gap: 10px; } }

.btn-theme-toggle { background: var(--bg-card-subtle); border: none; color: var(--text-main); cursor: pointer; border-radius: 50%; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; font-size: 0.95rem; transition: var(--transition); flex-shrink: 0; }
@media (min-width: 768px) { .btn-theme-toggle { width: 40px; height: 40px; font-size: 1.05rem; } }
.btn-theme-toggle:hover { background: var(--border-hover); }

/* DESKTOP ACTIONS */
.desktop-actions { display: none; }
@media (min-width: 1024px) { 
    .desktop-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; } 
}

.btn-streak { display: flex; align-items: center; gap: 6px; background: #FEF3C7; color: #D97706; padding: 6px 12px; border-radius: var(--radius-pill); font-weight: 800; font-size: 0.85rem; white-space: nowrap; flex-shrink: 0; }
@media (min-width: 768px) { .btn-streak { padding: 8px 14px; font-size: 0.88rem; } }
[data-theme="dark"] .btn-streak { background: #451A03; color: #FBBF24; }
.btn-streak i { transition: color 0.3s; }

.join-dropdown { position: relative; display: inline-block; flex-shrink: 0; }
.btn-join { background: var(--bg-card-subtle); color: var(--text-main); border: none; border-radius: var(--radius-pill); height: 36px; padding: 0 14px; font-weight: 700; font-size: 0.88rem; cursor: pointer; display: flex; align-items: center; gap: 8px; transition: var(--transition); white-space: nowrap; }
@media (min-width: 768px) { .btn-join { height: 40px; padding: 0 16px; font-size: 0.9rem; } }
.btn-join:hover { background: var(--border-hover); }

.join-menu-content { display: none; position: absolute; right: 0; top: 120%; background-color: var(--bg-card); min-width: 210px; box-shadow: var(--shadow-md); border-radius: var(--radius-md); border: 1px solid var(--border-subtle); z-index: 1001; overflow: hidden; flex-direction: column; padding: 6px 0; }
.join-menu-content.show { display: flex; animation: fadeIn 0.2s ease-out; }
.join-menu-content a { color: var(--text-main); padding: 10px 16px; text-decoration: none; display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 0.88rem; transition: var(--transition); white-space: nowrap; }
.join-menu-content a:hover { background-color: var(--bg-page); color: var(--primary); }
.join-menu-content a i { width: 18px; text-align: center; font-size: 1.1rem; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

.btn-auth { background: var(--bg-card); color: var(--text-main); border: 2px solid var(--border-subtle); border-radius: 50%; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; padding: 0; font-weight: 700; font-size: 0.95rem; cursor: pointer; transition: var(--transition); flex-shrink: 0; white-space: nowrap; }
#login-text { display: none; }
@media (min-width: 1024px) {
    .btn-auth { width: auto; height: 40px; padding: 0 18px; border-radius: var(--radius-pill); gap: 8px; font-size: 0.9rem; }
    #login-text { display: inline; }
}
.btn-auth:hover { border-color: var(--primary); color: var(--primary); }

/* FIXED RIGHT-SIDE MOBILE PALETTE */
.mobile-menu-btn {
    background: var(--bg-card-subtle); border: none; color: var(--text-main);
    font-size: 1.15rem; cursor: pointer; width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
@media (min-width: 1024px) { .mobile-menu-btn { display: none; } }

.sidebar-overlay {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; height: 100dvh;
    background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
    z-index: 1999; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease;
}
.sidebar-overlay.active { opacity: 1; visibility: visible; }

.mobile-sidebar {
    position: fixed; top: 0; right: 0; width: 290px; max-width: 82vw; height: 100vh; height: 100dvh;
    background: var(--bg-card); z-index: 2000; box-shadow: -5px 0 25px rgba(0,0,0,0.15);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex; flex-direction: column; overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.mobile-sidebar.active { transform: translateX(0); }
[data-theme="dark"] .mobile-sidebar { border-left: 1px solid var(--border-subtle); }

.sidebar-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 20px; border-bottom: 1px solid var(--border-subtle);
}
.sidebar-title { font-size: 1.15rem; font-weight: 800; color: var(--text-main); }
.close-sidebar-btn {
    background: var(--bg-card-subtle); border: none; border-radius: 50%;
    width: 34px; height: 34px; color: var(--text-main); font-size: 1.1rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}

.sidebar-content { padding: 16px 18px 24px; display: flex; flex-direction: column; gap: 6px; }
.sidebar-link {
    text-decoration: none; font-size: 0.94rem; font-weight: 600;
    color: var(--text-main); display: flex; align-items: center; gap: 12px;
    padding: 9px 12px; border-radius: var(--radius-sm); transition: var(--transition);
}
.sidebar-link:hover, .sidebar-link.active { background: var(--bg-card-subtle); color: var(--primary); }
.sidebar-link i { width: 22px; text-align: center; color: var(--primary); font-size: 1.05rem; flex-shrink: 0; }
.sidebar-divider { height: 1px; background: var(--border-subtle); margin: 6px 0; border: none; }
.sidebar-subtitle { font-size: 0.72rem; text-transform: uppercase; color: var(--text-muted); font-weight: 800; letter-spacing: 0.05em; padding: 2px 12px; }

/* 4. HERO SECTION */
.hero-section { padding: 16px 0 14px; }
.hero-card { background: var(--primary-grad); border-radius: 20px; padding: 26px 16px; text-align: center; color: #FFFFFF; box-shadow: var(--shadow-md); position: relative; overflow: hidden; width: 100%; }
@media (min-width: 768px) { .hero-section { padding: 32px 0 22px; } .hero-card { padding: 48px 40px; border-radius: var(--radius-lg); } }

.hero-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(255, 255, 255, 0.2); backdrop-filter: blur(10px); padding: 6px 14px; border-radius: var(--radius-pill); font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px; border: 1px solid rgba(255, 255, 255, 0.4); }
.hero-card h1 { font-size: clamp(1.55rem, 5.2vw, 3.1rem); font-weight: 800; margin-bottom: 12px; line-height: 1.15; }
.hero-card p { font-size: clamp(0.86rem, 2.5vw, 1.08rem); color: rgba(255, 255, 255, 0.92); max-width: 680px; margin: 0 auto 20px; font-weight: 500; line-height: 1.5; }
@media (min-width: 768px) { .hero-card p { margin-bottom: 28px; } }

.hero-cta-group { display: flex; flex-direction: column; gap: 10px; }
@media (min-width: 540px) { .hero-cta-group { flex-direction: row; justify-content: center; gap: 14px; } }

.btn-hero-primary { background: #FFFFFF; color: var(--primary); text-decoration: none; font-weight: 800; padding: 13px 24px; border-radius: var(--radius-pill); display: flex; justify-content: center; align-items: center; gap: 8px; transition: var(--transition); box-shadow: 0 10px 20px rgba(0,0,0,0.1); font-size: 0.95rem; width: 100%; cursor: pointer;}
@media (min-width: 540px) { .btn-hero-primary { width: auto; padding: 14px 32px; font-size: 1rem; display: inline-flex; } }
.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 25px rgba(0,0,0,0.2); }

.btn-hero-secondary { background: rgba(255, 255, 255, 0.15); color: #FFFFFF; border: 2px solid rgba(255, 255, 255, 0.35); text-decoration: none; font-weight: 700; padding: 11px 24px; border-radius: var(--radius-pill); display: flex; justify-content: center; align-items: center; gap: 8px; transition: var(--transition); backdrop-filter: blur(5px); font-size: 0.95rem; width: 100%; cursor: pointer; }
@media (min-width: 540px) { .btn-hero-secondary { width: auto; padding: 12px 32px; font-size: 1rem; display: inline-flex; } }
.btn-hero-secondary:hover { background: rgba(255, 255, 255, 0.25); border-color: #FFFFFF; }

/* DAILY STUDENT TOOLKIT STRIP (Preserved Unchanged) */
.toolkit-strip {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 24px;
}
@media (min-width: 640px) { .toolkit-strip { gap: 14px; margin-bottom: 28px; } }
@media (min-width: 1024px) { .toolkit-strip { grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 32px; } }

.tool-pill-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 16px;
    padding: 11px 10px; display: flex; align-items: center; gap: 9px; text-decoration: none;
    color: var(--text-main); box-shadow: var(--shadow-sm); transition: var(--transition);
}
@media (min-width: 640px) { .tool-pill-card { padding: 15px 18px; gap: 14px; border-radius: var(--radius-md); } }
.tool-pill-card:hover { transform: translateY(-4px); border-color: var(--primary); box-shadow: var(--shadow-md); }

.tool-icon-box {
    width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
    font-size: 1rem; flex-shrink: 0;
}
@media (min-width: 640px) { .tool-icon-box { width: 46px; height: 46px; border-radius: 12px; font-size: 1.25rem; } }

.tool-info { overflow: hidden; flex: 1; }
.tool-info h4 { font-size: 0.8rem; font-weight: 800; margin-bottom: 2px; color: var(--text-main); display: flex; align-items: center; flex-wrap: nowrap; gap: 4px; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (min-width: 640px) { .tool-info h4 { font-size: 0.95rem; } }
.tool-info p { font-size: 0.68rem; color: var(--text-muted); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (min-width: 640px) { .tool-info p { font-size: 0.78rem; } }

/* 5. HORIZONTAL PERFORMANCE SHOWCASE (Directly Above Qwik Maths) */
.dashboard-showcase {
    background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
    padding: 18px 16px; box-shadow: var(--shadow-sm); margin-bottom: 36px; width: 100%;
    position: relative; overflow: hidden;
}
@media (min-width: 768px) { .dashboard-showcase { padding: 22px 26px; margin-bottom: 44px; } }
.dashboard-showcase::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, #10B981 0%, #3B82F6 50%, #FF007A 100%);
}

.dash-showcase-header {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
    gap: 12px; margin-bottom: 16px;
}
.dash-title-group { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.dash-sync-badge {
    font-size: 0.68rem; font-weight: 700; color: var(--text-muted); background: var(--bg-page);
    border: 1px solid var(--border-subtle); padding: 3px 9px; border-radius: var(--radius-pill);
    display: none; align-items: center; gap: 5px; white-space: nowrap; flex-shrink: 0;
}
.dash-sync-badge.visible { display: inline-flex; }
.dash-sync-badge.synced { color: #10B981; border-color: rgba(16, 185, 129, 0.3); }

.btn-view-details {
    background: var(--primary-grad); color: #FFFFFF; border: none; padding: 9px 18px;
    border-radius: var(--radius-pill); font-weight: 800; font-size: 0.84rem; cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px; transition: var(--transition);
    box-shadow: var(--shadow-sm); white-space: nowrap;
}
.btn-view-details:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.dash-horizontal-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; width: 100%;
}
@media (min-width: 640px) { .dash-horizontal-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; } }
@media (min-width: 1024px) { .dash-horizontal-grid { grid-template-columns: repeat(6, 1fr); gap: 14px; } }

.dash-stat-box {
    background: var(--bg-page); border: 1px solid var(--border-subtle); padding: 13px 10px;
    border-radius: var(--radius-sm); text-align: center; display: flex; flex-direction: column;
    justify-content: center; transition: var(--transition);
}
.dash-stat-box:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.dash-val { font-size: 1.32rem; font-weight: 800; color: var(--primary); display: flex; justify-content: center; align-items: center; gap: 5px; line-height: 1.2; }
.dash-label { font-size: 0.68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 4px; font-weight: 700; }

.dash-promo-horizontal {
    display: flex; flex-direction: column; gap: 14px; align-items: center; justify-content: space-between;
    background: var(--bg-page); border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
    padding: 16px; text-align: center;
}
@media (min-width: 768px) {
    .dash-promo-horizontal { flex-direction: row; text-align: left; padding: 16px 22px; }
}
.dash-promo-info { display: flex; flex-direction: column; align-items: center; gap: 12px; }
@media (min-width: 768px) { .dash-promo-info { flex-direction: row; } }
.dash-promo-icon {
    width: 46px; height: 46px; border-radius: 50%; background: rgba(234, 67, 53, 0.12);
    color: #EA4335; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0;
}
.dash-promo-title { font-size: 1.02rem; font-weight: 800; color: var(--text-main); margin-bottom: 2px; }
.dash-promo-sub { font-size: 0.84rem; color: var(--text-muted); font-weight: 500; }
.btn-dash-login-inline {
    background: var(--primary-grad); color: #FFF; border: none; padding: 12px 24px;
    border-radius: var(--radius-pill); font-weight: 800; cursor: pointer; transition: var(--transition);
    font-size: 0.9rem; display: inline-flex; align-items: center; justify-content: center; gap: 9px;
    box-shadow: var(--shadow-sm); white-space: nowrap; width: 100%;
}
@media (min-width: 768px) { .btn-dash-login-inline { width: auto; } }
.btn-dash-login-inline:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* 6. QUIZ SECTIONS & RESPONSIVE GRIDS */
.quiz-section-block { margin-bottom: 48px; width: 100%; }
@media (min-width: 768px) { .quiz-section-block { margin-bottom: 58px; } }

.section-header-row { display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px; }
@media (min-width: 768px) { .section-header-row { flex-direction: row; justify-content: space-between; align-items: flex-end; margin-bottom: 22px; } }

.section-header { 
    font-size: clamp(1.18rem, 4vw, 1.65rem); font-weight: 800; color: var(--text-main); 
    display: flex; align-items: center; gap: 9px; flex-wrap: nowrap; line-height: 1.25;
}
.section-header i { flex-shrink: 0; font-size: 0.95em; display: inline-flex; align-items: center; justify-content: center; }
.section-subtext { color: var(--text-muted); font-size: 0.88rem; font-weight: 500; margin-top: 4px; }

.section-tools-row { display: flex; align-items: center; gap: 10px; width: 100%; }
@media (min-width: 768px) { .section-tools-row { width: auto; } }

.btn-view-all-header {
    background: var(--bg-card); color: var(--text-main); border: 1px solid var(--border-subtle);
    padding: 9px 15px; border-radius: var(--radius-pill); font-weight: 700; font-size: 0.82rem;
    cursor: pointer; white-space: nowrap; transition: var(--transition); display: inline-flex;
    align-items: center; gap: 6px; flex-shrink: 0;
}
.btn-view-all-header:hover { border-color: var(--primary); color: var(--primary); transform: translateX(2px); }

/* FILTER CONTROLS & SEARCH */
.filter-controls { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
@media (min-width: 768px) { .filter-controls { flex-direction: row; justify-content: space-between; align-items: center; margin-bottom: 24px; } }

.filter-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.filter-tabs::-webkit-scrollbar { display: none; }
.filter-btn {
    background: var(--bg-card); color: var(--text-muted); border: 1px solid var(--border-subtle);
    padding: 7px 14px; border-radius: var(--radius-pill); font-weight: 700; font-size: 0.82rem;
    cursor: pointer; white-space: nowrap; transition: var(--transition); font-family: inherit; flex-shrink: 0;
}
@media (min-width: 768px) { .filter-btn { padding: 8px 16px; font-size: 0.85rem; } }
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--primary-grad); color: #FFFFFF; border-color: transparent; }

.search-box { position: relative; width: 100%; flex: 1; }
@media (min-width: 768px) { .search-box { width: 240px; flex: none; } }
.search-box input {
    width: 100%; padding: 9px 14px 9px 36px; border-radius: var(--radius-pill);
    border: 1px solid var(--border-subtle); background: var(--bg-card); color: var(--text-main);
    font-size: 0.85rem; outline: none; transition: var(--transition); font-family: inherit;
}
.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255, 0, 122, 0.1); }
.search-box i { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 0.85rem; }

/* Compact 3-Column Grid for Qwik Maths & Qwik Logic (Today Full-Width + 6 Smaller Cards) */
.quiz-grid-compact { display: grid; grid-template-columns: 1fr; gap: 14px; width: 100%; }
@media (min-width: 600px) { .quiz-grid-compact { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
@media (min-width: 980px) { .quiz-grid-compact { grid-template-columns: repeat(3, 1fr); gap: 18px; } }

/* 4-Column Grid for Qwik CA Weekly & Qwik Editorial (4 Initial Cards) */
.quiz-grid-4col { display: grid; grid-template-columns: 1fr; gap: 14px; width: 100%; }
@media (min-width: 600px) { .quiz-grid-4col { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
@media (min-width: 1080px) { .quiz-grid-4col { grid-template-columns: repeat(4, 1fr); gap: 18px; } }

/* 3-Column Grid for Archive Sections (3 Initial Cards) */
.quiz-grid-3col { display: grid; grid-template-columns: 1fr; gap: 14px; width: 100%; }
@media (min-width: 640px) { .quiz-grid-3col { grid-template-columns: repeat(2, 1fr); gap: 18px; } }
@media (min-width: 1024px) { .quiz-grid-3col { grid-template-columns: repeat(3, 1fr); gap: 20px; } }

/* CARDS */
.quiz-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 18px; padding: 16px; display: flex; flex-direction: column; justify-content: space-between; box-shadow: var(--shadow-sm); transition: var(--transition); position: relative; width: 100%; }
@media (min-width: 768px) { .quiz-card { padding: 18px 20px; border-radius: var(--radius-md); } }
.quiz-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }

.quiz-card.compact-card { padding: 15px 16px; }
.quiz-card.compact-card .quiz-title { font-size: 1rem; margin-bottom: 6px; }
.quiz-card.compact-card .quiz-meta { font-size: 0.79rem; margin-bottom: 13px; }
.quiz-card.compact-card .btn-launch { padding: 10px 12px; font-size: 0.86rem; }

.quiz-card.qwik-maths-highlight { 
    border: 2px solid var(--primary); 
    background: linear-gradient(180deg, var(--bg-card) 0%, rgba(255, 0, 122, 0.04) 100%); 
    padding-top: 36px;
}
.quiz-card.qwik-maths-highlight::after { 
    content: '⭐ TODAY\'S LIVE CHALLENGE'; position: absolute; top: 0; right: 0; 
    background: var(--primary-grad); color: #FFF; font-size: 0.65rem; font-weight: 800; 
    padding: 5px 12px; border-bottom-left-radius: 12px; border-top-right-radius: 15px; letter-spacing: 0.05em; 
}

.today-card-layout { display: flex; flex-direction: column; gap: 14px; width: 100%; }
@media (min-width: 640px) { 
    .today-card-layout { flex-direction: row; justify-content: space-between; align-items: center; } 
    .today-info { flex: 1; padding-right: 16px; }
    .today-action { flex: 0 0 auto; min-width: 190px; }
}

.card-tags-wrapper { display: flex; flex-wrap: nowrap; align-items: center; gap: 4px; margin-bottom: 10px; width: 100%; overflow: hidden; }
@media (min-width: 640px) { .card-tags-wrapper { gap: 6px; } }

.quiz-badge { font-size: 0.64rem; font-weight: 800; padding: 3px 7px; border-radius: 6px; text-transform: uppercase; letter-spacing: 0.02em; white-space: nowrap; flex-shrink: 0; }
@media (min-width: 640px) { .quiz-badge { font-size: 0.7rem; padding: 4px 9px; } }

/* Subject Badge Classes */
.bg-maths { background: #FFE4E6; color: #E11D48; }
.bg-quant { background: #FEF3C7; color: #D97706; }
.bg-english { background: #DBEAFE; color: #2563EB; }
.bg-vocab { background: #E0E7FF; color: #4F46E5; }
.bg-qwik-mania { background: #F3E8FF; color: #9333EA; }
.bg-ca { background: #D1FAE5; color: #059669; }
.bg-general { background: #F1F5F9; color: #475569; }

[data-theme="dark"] .bg-maths { background: #881337; color: #FFE4E6; }
[data-theme="dark"] .bg-quant { background: #78350F; color: #FEF3C7; }
[data-theme="dark"] .bg-english { background: #1E3A8A; color: #DBEAFE; }
[data-theme="dark"] .bg-vocab { background: #312E81; color: #E0E7FF; }
[data-theme="dark"] .bg-qwik-mania { background: #581C87; color: #F3E8FF; }
[data-theme="dark"] .bg-ca { background: #064E3B; color: #A7F3D0; }
[data-theme="dark"] .bg-general { background: #334155; color: #E2E8F0; }

.completed-badge {
    background: #DCFCE3; color: #15803D; font-size: 0.64rem; font-weight: 800;
    padding: 3px 7px; border-radius: 6px; display: inline-flex; align-items: center; gap: 3px; white-space: nowrap; margin-left: auto; flex-shrink: 0;
}
@media (min-width: 640px) { .completed-badge { font-size: 0.7rem; padding: 4px 8px; gap: 4px; } }
[data-theme="dark"] .completed-badge { background: #064E3B; color: #6EE7B7; }

.meta-tag { font-size: 0.65rem; color: var(--text-muted); background: var(--bg-page); padding: 3px 7px; border-radius: 6px; display: inline-flex; align-items: center; gap: 4px; font-weight: 600; white-space: nowrap; flex-shrink: 0; }
@media (min-width: 640px) { .meta-tag { font-size: 0.72rem; padding: 4px 8px; } }

.quiz-title { font-size: 1.02rem; font-weight: 800; color: var(--text-main); margin-bottom: 8px; line-height: 1.35; }
@media (min-width: 768px) { .quiz-title { font-size: 1.12rem; } }

.quiz-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 15px; display: flex; align-items: center; gap: 6px; font-weight: 500; flex-wrap: wrap; }

.btn-launch { background: var(--bg-card-subtle); color: var(--primary); font-weight: 800; text-align: center; padding: 11px 12px; border-radius: var(--radius-sm); text-decoration: none; display: block; transition: var(--transition); border: 2px solid transparent; width: 100%; font-size: 0.9rem; cursor: pointer; }
.btn-launch:hover { background: var(--primary); color: #FFFFFF; box-shadow: var(--shadow-md); }
.btn-launch.completed-btn { background: rgba(16, 185, 129, 0.12); color: #10B981; }
.btn-launch.completed-btn:hover { background: #10B981; color: #FFFFFF; }
.btn-launch.loading { opacity: 0.6; pointer-events: none; cursor: wait; }

/* SECTION FOOTER BUTTONS (Load More + View All) */
.section-footer-actions {
    display: flex; flex-direction: column; sm-flex-direction: row; justify-content: center;
    align-items: center; gap: 12px; margin-top: 22px;
}
@media (min-width: 540px) { .section-footer-actions { flex-direction: row; gap: 14px; } }

.btn-load-more {
    background: var(--primary-grad); color: #FFFFFF; border: none; padding: 12px 24px;
    border-radius: var(--radius-pill); font-weight: 800; font-size: 0.9rem; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    transition: var(--transition); box-shadow: var(--shadow-sm); width: 100%;
}
@media (min-width: 540px) { .btn-load-more { width: auto; min-width: 190px; } }
.btn-load-more:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-view-all {
    background: var(--bg-card); color: var(--text-main); border: 2px solid var(--border-subtle);
    padding: 11px 24px; border-radius: var(--radius-pill); font-weight: 800; font-size: 0.9rem;
    cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    transition: var(--transition); width: 100%;
}
@media (min-width: 540px) { .btn-view-all { width: auto; min-width: 210px; } }
.btn-view-all:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* 7. DEDICATED MONTH-WISE PAGE VIEW */
.dedicated-view-container { padding-top: 20px; padding-bottom: 60px; min-height: 70vh; }
.dedicated-top-bar {
    background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
    padding: 18px 20px; margin-bottom: 20px; display: flex; flex-direction: column; gap: 14px;
    box-shadow: var(--shadow-sm);
}
@media (min-width: 768px) {
    .dedicated-top-bar { flex-direction: row; align-items: center; justify-content: space-between; }
}
.btn-back-home {
    background: var(--bg-card-subtle); color: var(--text-main); border: none; padding: 9px 16px;
    border-radius: var(--radius-pill); font-weight: 800; font-size: 0.86rem; cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); width: fit-content;
}
.btn-back-home:hover { background: var(--primary); color: #FFFFFF; }
.dedicated-title-wrap { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.dedicated-title { font-size: clamp(1.25rem, 3.5vw, 1.65rem); font-weight: 800; color: var(--text-main); }
.dedicated-count-pill {
    background: rgba(255, 0, 122, 0.1); color: var(--primary); font-weight: 800; font-size: 0.78rem;
    padding: 4px 12px; border-radius: var(--radius-pill);
}
.dedicated-search { width: 100%; }
@media (min-width: 768px) { .dedicated-search { width: 280px; } }

.dedicated-month-tabs { margin-bottom: 26px; padding-bottom: 6px; }
.month-group-block { margin-bottom: 36px; }
.month-group-header {
    display: flex; align-items: center; justify-content: space-between;
    padding-bottom: 10px; margin-bottom: 16px; border-bottom: 2px solid var(--border-subtle);
}
.month-group-title {
    font-size: 1.2rem; font-weight: 800; color: var(--text-main);
    display: flex; align-items: center; gap: 9px;
}
.month-group-title i { color: var(--primary); }
.month-group-badge {
    font-size: 0.76rem; font-weight: 700; color: var(--text-muted);
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    padding: 3px 10px; border-radius: var(--radius-pill);
}

/* 8. PERFORMANCE DETAILS POPUP MODAL & SHARE UI */
.perf-modal-overlay {
    position: fixed; inset: 0; background: rgba(10, 15, 28, 0.68);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    z-index: 2500; display: flex; align-items: center; justify-content: center;
    padding: 14px; opacity: 0; visibility: hidden; transition: opacity 0.25s ease, visibility 0.25s ease;
}
.perf-modal-overlay.active { opacity: 1; visibility: visible; }

.perf-modal-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 24px;
    width: 100%; max-width: 580px; max-height: 90vh; max-height: 90dvh;
    display: flex; flex-direction: column; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
    overflow: hidden; transform: translateY(16px) scale(0.98); transition: transform 0.25s ease;
}
.perf-modal-overlay.active .perf-modal-card { transform: translateY(0) scale(1); }

.perf-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--border-subtle);
}
.perf-modal-title-group { display: flex; align-items: center; gap: 10px; }
.perf-modal-title-group h3 { font-size: 1.12rem; font-weight: 800; color: var(--text-main); }
.perf-modal-close {
    width: 34px; height: 34px; border-radius: 50%; border: none;
    background: var(--bg-card-subtle); color: var(--text-main); font-size: 1.05rem;
    cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition);
}
.perf-modal-close:hover { background: var(--primary); color: #FFFFFF; }

.perf-modal-body { padding: 18px 20px; overflow-y: auto; -webkit-overflow-scrolling: touch; }

.perf-user-banner {
    background: var(--primary-grad); color: #FFFFFF; border-radius: 16px;
    padding: 16px 18px; display: flex; align-items: center; justify-content: space-between;
    gap: 12px; margin-bottom: 16px;
}
.perf-user-meta h4 { font-size: 1.1rem; font-weight: 800; margin-bottom: 2px; }
.perf-user-meta p { font-size: 0.78rem; opacity: 0.92; font-weight: 600; }
.perf-user-streak-pill {
    background: rgba(255, 255, 255, 0.22); border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 7px 13px; border-radius: var(--radius-pill); font-weight: 800; font-size: 0.86rem;
    white-space: nowrap;
}

.dash-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; width: 100%; }
@media (min-width: 500px) { .dash-grid { grid-template-columns: repeat(3, 1fr); } }
.dash-card { background: var(--bg-page); border: 1px solid var(--border-subtle); padding: 12px 8px; border-radius: var(--radius-sm); text-align: center; display: flex; flex-direction: column; justify-content: center; }
.dash-card.full-span { grid-column: 1 / -1; }

.recent-perf { margin-top: 16px; background: var(--bg-page); padding: 14px; border-radius: var(--radius-sm); border: 1px solid var(--border-subtle); width: 100%; }
.recent-perf h4 { font-size: 0.9rem; margin-bottom: 8px; color: var(--text-main); font-weight: 800; border-bottom: 1px solid var(--border-subtle); padding-bottom: 7px; }
.recent-item { font-size: 0.81rem; padding: 7px 0; border-bottom: 1px solid var(--border-subtle); display: flex; justify-content: space-between; align-items: center; font-weight: 600; gap: 8px; }
.recent-item-title { word-wrap: break-word; overflow-wrap: anywhere; flex: 1; }
.recent-item:last-child { border-bottom: none; padding-bottom: 0; }
.recent-item-score { background: var(--primary-light); color: #FFF; padding: 3px 8px; border-radius: 6px; font-weight: 800; font-size: 0.74rem; flex-shrink: 0; }

.perf-modal-footer {
    padding: 14px 20px 18px; border-top: 1px solid var(--border-subtle);
    background: var(--bg-page); display: flex; flex-direction: column; gap: 12px;
}
.perf-export-row { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 480px) { .perf-export-row { grid-template-columns: 1fr 1fr; } }

.btn-download-png {
    background: var(--primary-grad); color: #FFFFFF; border: none; padding: 11px 16px;
    border-radius: var(--radius-pill); font-weight: 800; font-size: 0.86rem; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    transition: var(--transition); box-shadow: var(--shadow-sm);
}
.btn-download-png:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-native-share {
    background: var(--bg-card); color: var(--text-main); border: 2px solid var(--border-subtle);
    padding: 10px 16px; border-radius: var(--radius-pill); font-weight: 800; font-size: 0.86rem;
    cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    transition: var(--transition);
}
.btn-native-share:hover { border-color: var(--primary); color: var(--primary); }

.perf-social-share-bar {
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}
.share-label { font-size: 0.78rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.share-icons-group { display: flex; align-items: center; gap: 8px; }
.share-icon-btn {
    width: 36px; height: 36px; border-radius: 50%; border: none; color: #FFFFFF;
    font-size: 0.95rem; cursor: pointer; display: inline-flex; align-items: center;
    justify-content: center; transition: var(--transition);
}
.share-icon-btn:hover { transform: translateY(-3px); filter: brightness(1.1); }
.share-icon-btn.fb { background: #1877F2; }
.share-icon-btn.ig { background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF); }
.share-icon-btn.wa { background: #16A34A; }
.share-icon-btn.tg { background: #0284C7; }
.share-icon-btn.tw { background: #0F172A; }

/* 9. BOTTOM SECTIONS & SOCIAL HUB */
.why-section, .exams-section { padding: 40px 0; text-align: center; }
@media (min-width: 768px) { .why-section, .exams-section { padding: 56px 0; } }

.why-grid { display: grid; grid-template-columns: 1fr; gap: 18px; margin-top: 24px; }
@media (min-width: 768px) { .why-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; } }

.why-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: 26px 18px; transition: var(--transition); box-shadow: var(--shadow-sm); width: 100%; }
.why-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.why-card i { font-size: 2rem; color: var(--primary); margin-bottom: 14px; }
.why-card h3 { font-size: 1.18rem; color: var(--text-main); margin-bottom: 8px; font-weight: 800; }
.why-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.55; font-weight: 500; }

.exams-container { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.exam-badge { background: var(--bg-card); border: 2px solid var(--border-subtle); padding: 9px 16px; border-radius: var(--radius-pill); font-weight: 800; color: var(--text-main); font-size: 0.85rem; transition: var(--transition); }
@media (min-width: 768px) { .exam-badge { padding: 10px 20px; font-size: 0.95rem; } }
.exam-badge:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-sm); }

.blue-cta { background: var(--dark-blue); color: #FFFFFF; text-align: center; padding: 38px 18px; border-radius: 20px; margin-bottom: 40px; position: relative; overflow: hidden; width: 100%; }
@media (min-width: 768px) { .blue-cta { padding: 60px 24px; border-radius: var(--radius-lg); margin-bottom: 56px; } }

.blue-cta::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(255,0,122,0.12) 0%, rgba(10,15,28,0) 70%); z-index: 0; }
.blue-cta h2, .blue-cta p, .blue-cta div { position: relative; z-index: 1; }
.blue-cta h2 { font-size: clamp(1.5rem, 4.5vw, 2.3rem); margin-bottom: 10px; font-weight: 800; }
.blue-cta p { margin-bottom: 24px; font-size: 0.95rem; color: #9CA3AF; font-weight: 500; }

.cta-primary-row { display: flex; flex-direction: column; gap: 10px; align-items: center; justify-content: center; margin-bottom: 18px; }
@media (min-width: 640px) { .cta-primary-row { flex-direction: row; flex-wrap: wrap; gap: 14px; } }

.btn-cta-white { background: #FFFFFF; color: var(--dark-blue); font-weight: 800; padding: 13px 24px; border-radius: var(--radius-pill); text-decoration: none; display: flex; align-items: center; justify-content: center; gap: 9px; font-size: 0.92rem; transition: var(--transition); width: 100%; }
@media (min-width: 640px) { .btn-cta-white { width: auto; display: inline-flex; font-size: 0.95rem; } }
.btn-cta-white:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.25); }

.cta-social-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.btn-cta-pill {
    background: rgba(255, 255, 255, 0.08); color: #E5E7EB; border: 1px solid rgba(255, 255, 255, 0.16);
    padding: 8px 16px; border-radius: var(--radius-pill); text-decoration: none; font-size: 0.82rem;
    font-weight: 700; display: inline-flex; align-items: center; gap: 7px; transition: var(--transition);
}
.btn-cta-pill:hover { background: rgba(255, 255, 255, 0.18); color: #FFFFFF; transform: translateY(-2px); border-color: rgba(255, 255, 255, 0.35); }

.main-footer { background: #0A0F1C; color: #9CA3AF; text-align: center; padding: 32px 14px 38px; font-size: 0.84rem; border-top: 1px solid #1E293B; font-weight: 500; }
.footer-socials { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin: 16px 0; }
.footer-social-icon {
    width: 38px; height: 38px; border-radius: 50%; background: #151F32; border: 1px solid #1E293B;
    color: #D1D5DB; display: inline-flex; align-items: center; justify-content: center;
    text-decoration: none; font-size: 1rem; transition: var(--transition);
}
.footer-social-icon:hover { background: var(--primary); color: #FFFFFF; border-color: var(--primary); transform: translateY(-3px); }
.footer-links { margin-top: 14px; display: flex; justify-content: center; flex-wrap: wrap; gap: 14px 20px; font-size: 0.82rem; }
.footer-links a { color: #9CA3AF; text-decoration: none; transition: color 0.3s; }
.footer-links a:hover { color: #FFFFFF; }

/* Skeletons */
.skeleton-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: 18px; min-height: 165px; display: flex; flex-direction: column; justify-content: space-between; width: 100%; }
.skeleton-element { background: linear-gradient(90deg, var(--border-subtle) 25%, var(--bg-card-subtle) 50%, var(--border-subtle) 75%); background-size: 200% 100%; animation: skeleton-loading 1.5s infinite; border-radius: 8px; }
@keyframes skeleton-loading { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.scroll-to-top { position: fixed; bottom: 20px; right: 20px; background: var(--primary-grad); color: white; width: 44px; height: 44px; border-radius: 50%; border: none; font-size: 1.05rem; cursor: pointer; box-shadow: var(--shadow-md); display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transform: translateY(20px); transition: var(--transition); z-index: 999; }
.scroll-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-to-top:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }

/* Custom Toast Notification */
.toast-notification { visibility: hidden; min-width: 260px; max-width: 90vw; background-color: var(--dark-blue); color: #fff; text-align: center; border-radius: var(--radius-pill); padding: 12px 22px; position: fixed; z-index: 3000; left: 50%; transform: translateX(-50%); bottom: 24px; font-weight: 600; font-size: 0.9rem; box-shadow: var(--shadow-md); opacity: 0; transition: opacity 0.3s, bottom 0.3s; }
.toast-notification.show { visibility: visible; opacity: 1; bottom: 42px; }
[data-theme="dark"] .toast-notification { background-color: var(--primary); }