/* ===== Global Design System (Creamy Soft Aesthetic) ===== */
:root {
    --sce-bg:           #FAF9F6;
    --sce-bg-alt:       #FFFFFF;
    --sce-bg-light:     #F3F0E7;
    --sce-text:         #2C2C2C;
    --sce-text-muted:   #666666;
    --sce-border:       #E8E5DC;
    --sce-accent:       #1E3A8A; /* Warm Navy for primary actions */
    --sce-accent-hover: #1E40AF;
    --sce-secondary:    #D97706; /* Soft amber */
    --sce-radius:       12px;
    --sce-transition:   all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sce-font-body:    'Inter', sans-serif;
    --sce-font-heading: 'Inter', sans-serif;
    --sce-shadow:       0 8px 30px rgba(0, 0, 0, 0.04);
}

/* ===== Global Reset & Basics ===== */
*, *::before, *::after { 
    box-sizing: border-box; 
}

body {
    font-family: var(--sce-font-body);
    background-color: var(--sce-bg);
    color: var(--sce-text);
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--sce-font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--sce-text);
    margin-top: 0;
}

a {
    color: var(--sce-accent);
    text-decoration: none;
    transition: var(--sce-transition);
}

a:hover {
    color: var(--sce-accent-hover);
}

/* ===== Utility Classes ===== */
.sce-fade-in {
    animation: sceFadeIn 0.6s ease-out both;
}

@keyframes sceFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Glassmorphism / Clean Panels */
.sce-panel {
    background: var(--sce-bg-alt);
    border: 1px solid var(--sce-border);
    border-radius: var(--sce-radius);
    padding: 24px;
    transition: var(--sce-transition);
    box-shadow: var(--sce-shadow);
}

.sce-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

/* Buttons */
.sce-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: var(--sce-accent);
    color: #FFFFFF;
    border: none;
    border-radius: var(--sce-radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--sce-transition);
}

.sce-btn:hover {
    background: var(--sce-accent-hover);
    color: #FFFFFF;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

.sce-btn-outline {
    background: transparent;
    color: var(--sce-text);
    border: 1px solid var(--sce-border);
}

.sce-btn-outline:hover {
    background: var(--sce-bg-light);
    border-color: #D1CEC4;
    color: var(--sce-text);
    box-shadow: none;
}

/* ===== Top Navbar (Mega-Menu) ===== */
.sce-navbar {
    position: sticky;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--sce-border);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    height: 70px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.sce-nav-brand {
    font-family: var(--sce-font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--sce-text);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sce-nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    height: 100%;
}

.sce-nav-item {
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--sce-text-muted);
    cursor: pointer;
}

.sce-nav-item:hover, .sce-nav-item.active {
    color: var(--sce-text);
}

/* Mega Menu Dropdown */
.sce-mega-menu {
    position: absolute;
    top: 70px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 600px;
    background: var(--sce-bg-alt);
    border: 1px solid var(--sce-border);
    border-radius: var(--sce-radius);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    pointer-events: none;
}

.sce-nav-item:hover .sce-mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.mega-menu-section h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sce-text-muted);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--sce-border);
}

.mega-menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: 8px;
    color: var(--sce-text);
    transition: var(--sce-transition);
}

.mega-menu-link:hover {
    background: var(--sce-bg-light);
    color: var(--sce-accent);
}

.mega-menu-icon {
    width: 32px;
    height: 32px;
    background: var(--sce-bg-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sce-accent);
}

/* ===== SCE Main Wrapper ===== */
.sce-main {
    margin-left: 0; /* Removed sidebar margin */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== SCE Mobile Header ===== */
.sce-mobile-header {
    display: none;
}

/* ===== SCE Footer ===== */
.sce-footer {
    background: var(--sce-bg-alt);
    border-top: 1px solid var(--sce-border);
    padding: 4rem 2rem 2rem;
    margin-top: auto;
}

.sce-footer-grid {
    display: grid;
    gap: 3rem;
    grid-template-columns: 1fr;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px)  { .sce-footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .sce-footer-grid { grid-template-columns: repeat(4, 1fr); } }

.sce-footer-col h4 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--sce-text);
}

.sce-footer-link {
    display: block;
    color: var(--sce-text-muted);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.sce-footer-link:hover {
    color: var(--sce-accent);
}

.sce-footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 3rem;
    border-top: 1px solid var(--sce-border);
    font-size: 0.85rem;
    color: var(--sce-text-muted);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.sce-footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--sce-bg-light);
    color: var(--sce-text);
    margin-right: 12px;
    transition: var(--sce-transition);
}

.sce-footer-social a:hover {
    background: var(--sce-accent);
    color: #FFFFFF;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .sce-navbar .sce-nav-links { display: none; }
    .sce-navbar { padding: 0 20px; }
    .sce-mobile-menu-btn { display: block; font-size: 1.5rem; color: var(--sce-text); cursor: pointer; }
}
@media (min-width: 993px) {
    .sce-mobile-menu-btn { display: none; }
}

/* ===== Cookie Banner ===== */
.sce-cookie {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 600px;
    z-index: 9999;
    background: var(--sce-bg-alt);
    border: 1px solid var(--sce-border);
    border-radius: var(--sce-radius);
    color: var(--sce-text);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--sce-shadow);
}

/* ===== Navigation Bar ===== */
.sce-navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--sce-bg-alt);
    border-bottom: 1px solid var(--sce-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.sce-nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--sce-accent);
}

.sce-nav-brand img {
    height: 40px;
}

.sce-nav-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sce-nav-item {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--sce-text);
    padding: 8px 12px;
    border-radius: 8px;
    transition: var(--sce-transition);
    position: relative;
    cursor: pointer;
}

.sce-nav-item:hover {
    background: var(--sce-bg-light);
    color: var(--sce-accent);
}

/* Mega Menu Dropdown */
.sce-mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--sce-bg-alt);
    border: 1px solid var(--sce-border);
    border-radius: var(--sce-radius);
    padding: 24px;
    display: flex;
    gap: 32px;
    min-width: 600px;
    box-shadow: var(--sce-shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--sce-transition);
    z-index: 1001;
}

.sce-nav-item:hover .sce-mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-section {
    flex: 1;
}

.mega-menu-section h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--sce-text-muted);
    margin-bottom: 16px;
    border-bottom: 1px solid var(--sce-border);
    padding-bottom: 8px;
}

.mega-menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    color: var(--sce-text);
    transition: var(--sce-transition);
    margin-bottom: 8px;
}

.mega-menu-link:hover {
    background: var(--sce-bg-light);
    color: var(--sce-accent);
}

.mega-menu-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(30, 58, 138, 0.05);
    color: var(--sce-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.sce-mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--sce-text);
}

@media (max-width: 992px) {
    .sce-nav-menu {
        display: none !important;
    }
    .sce-mobile-menu-btn {
        display: block;
    }
}

/* ===== Mobile Sidebar Links ===== */
.sce-menu-link {
    display: block;
    padding: 12px 24px;
    font-weight: 500;
    color: var(--sce-text);
    border-bottom: 1px solid var(--sce-border);
    transition: var(--sce-transition);
}
.sce-menu-link:hover {
    background: var(--sce-bg-light);
    color: var(--sce-accent);
}

/* ===== Rich HTML & Exam Content Table System ===== */
.rich-html-content,
.ed-text {
    line-height: 1.8;
    color: var(--sce-text);
    font-size: 0.95rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.rich-html-content h1, .rich-html-content h2, .rich-html-content h3,
.rich-html-content h4, .rich-html-content h5, .rich-html-content h6 {
    color: var(--sce-accent, #1E3A8A);
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    font-weight: 700;
}

.rich-html-content p, .rich-html-content ul, .rich-html-content ol {
    margin-bottom: 1.2em;
}

.rich-html-content .table-responsive,
.ed-text .table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 18px 0 24px 0;
    border-radius: var(--sce-radius, 10px);
    border: 1px solid var(--sce-border, #E8E5DC);
    background: var(--sce-bg-alt, #ffffff);
}

.rich-html-content table,
.ed-text table {
    width: 100% !important;
    max-width: 100% !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
    border: none !important;
    background: var(--sce-bg-alt, #ffffff) !important;
    font-size: 0.92rem !important;
}

.rich-html-content table th,
.ed-text table th {
    background: var(--sce-bg-light, #f1f5f9) !important;
    color: var(--sce-accent, #1E3A8A) !important;
    font-weight: 700 !important;
    font-size: 0.86rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.03em !important;
    padding: 12px 16px !important;
    border-bottom: 2px solid var(--sce-border, #E8E5DC) !important;
    border-right: 1px solid var(--sce-border, #E8E5DC) !important;
    vertical-align: middle !important;
}

.rich-html-content table td,
.ed-text table td {
    padding: 12px 16px !important;
    border-bottom: 1px solid var(--sce-border, #E8E5DC) !important;
    border-right: 1px solid var(--sce-border, #E8E5DC) !important;
    color: var(--sce-text, #2C2C2C) !important;
    font-size: 0.91rem !important;
    vertical-align: middle !important;
}

.rich-html-content table th:last-child,
.rich-html-content table td:last-child,
.ed-text table th:last-child,
.ed-text table td:last-child {
    border-right: none !important;
}

.rich-html-content table tr:last-child td,
.ed-text table tr:last-child td {
    border-bottom: none !important;
}

.rich-html-content table tbody tr:nth-child(even),
.ed-text table tbody tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.015) !important;
}

.rich-html-content table tbody tr:hover td,
.ed-text table tbody tr:hover td {
    background-color: rgba(30, 58, 138, 0.04) !important;
}