:root {
    --primary-blue: #0052cc;
    --secondary-blue: #003a99;
    --accent-cyan: #00c7e6;
    --accent-yellow: #ffc107;
    --dark-navy: #091e42;
    --light-bg: #f4f5f7;
    --text-main: #172b4d;
    --text-muted: #6b778c;
    --card-shadow: 0 8px 25px rgba(9, 30, 66, 0.08);
    --transition-smooth: all 0.3s ease;
}

body {
    font-family: "Poppins", sans-serif;
    color: var(--text-main);
    background-color: #ffffff;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Utility Header & Nav */
.navbar {
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    background: #ffffff;
    transition: var(--transition-smooth);
    z-index: 1030;
}

.navbar-brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-logo-img {
    height: 48px;
    width: auto;
}

.nav-link {
    font-weight: 500;
    color: var(--text-main) !important;
    margin: 0 8px;
    padding: 8px 12px !important;
    border-radius: 6px;
    transition: var(--transition-smooth);
}

    .nav-link:hover,
    .nav-link.active {
        color: var(--primary-blue) !important;
        background-color: rgba(0, 82, 204, 0.06);
    }

.social-icons a {
    color: var(--text-muted);
    margin-left: 12px;
    font-size: 1.05rem;
    transition: var(--transition-smooth);
}

    .social-icons a:hover {
        color: var(--primary-blue);
        transform: translateY(-2px);
    }

.btn-custom-primary {
    background-color: var(--primary-blue);
    color: #ffffff;
    border-radius: 30px;
    padding: 9px 24px;
    font-weight: 600;
    border: none;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(0, 82, 204, 0.25);
}

    .btn-custom-primary:hover {
        background-color: var(--secondary-blue);
        color: #ffffff;
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(0, 82, 204, 0.35);
    }

.btn-custom-outline {
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    border-radius: 30px;
    padding: 7px 22px;
    font-weight: 600;
    transition: var(--transition-smooth);
    background: transparent;
}

    .btn-custom-outline:hover {
        background-color: var(--primary-blue);
        color: #ffffff;
        transform: translateY(-2px);
    }

.export-badge-btn {
    background: #28a745;
    color: white;
    font-size: 0.8rem;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition-smooth);
}

    .export-badge-btn:hover {
        background: #218838;
        transform: scale(1.05);
    }

/* Banner tagline */
.tagline-banner {
    background: linear-gradient(90deg, #0052cc 0%, #00c7e6 100%);
    color: white;
    font-size: 0.82rem;
    font-weight: 600;
    text-align: center;
    padding: 6px 15px;
    letter-spacing: 0.5px;
}

/* Single Page App Section display toggle */
.page-view {
    display: none;
    animation: fadeIn 0.4s ease-in-out forwards;
}

    .page-view.active {
        display: block;
    }

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Carousel */
.hero-slider .carousel-item {
    height: 75vh;
    min-height: 480px;
    background-position: center;
    background-size: cover;
    position: relative;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(9, 30, 66, 0.75) 0%, rgba(0, 58, 153, 0.85) 100%);
}

.hero-caption {
    position: relative;
    z-index: 2;
    top: 50%;
    transform: translateY(-50%);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Card Styles */
.course-card,
.feature-card {
    border: none;
    border-radius: 16px;
    background: #ffffff;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    overflow: hidden;
}

    .course-card:hover,
    .feature-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 15px 35px rgba(9, 30, 66, 0.12);
    }

.course-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-blue);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* =========================================================
   QUIZ OPTIONS
   ========================================================= */

.quiz-options {
    width: 100% !important;
    margin-top: 24px !important;
    border-collapse: separate !important;
    border-spacing: 0 10px !important;
}

    /* Each answer row */
    .quiz-options tr {
        display: table-row !important;
        width: 100% !important;
    }

    /* Answer box */
    .quiz-options td {
        position: relative !important;
        width: 100% !important;
        height: 70px !important;
        padding: 0 22px !important;
        background: #ffffff !important;
        border: 2px solid #dfe6ee !important;
        border-radius: 14px !important;
        box-sizing: border-box !important;
        cursor: pointer !important;
        transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease !important;
    }

    /* Hide native radio button */
    .quiz-options input[type="radio"] {
        position: absolute !important;
        width: 1px !important;
        height: 1px !important;
        opacity: 0 !important;
        margin: 0 !important;
    }

    /* Answer label */
    .quiz-options label {
        display: flex !important;
        align-items: center !important;
        width: 100% !important;
        height: 66px !important;
        margin: 0 !important;
        padding: 0 !important;
        color: #08295c !important;
        font-size: 19px !important;
        font-weight: 500 !important;
        line-height: 1.4 !important;
        cursor: pointer !important;
    }

.result-icon {
    display: inline-block;
    margin-bottom: 10px;
}

#ContentPlaceHolder1_pnlQuizResult {
    max-width: 800px;
    margin: 0 auto;
}

.quiz-result-panel {
    max-width: 800px;
    margin: 0 auto;
}

   /* =========================================================
   A / B / C / D BADGE
   ========================================================= */

        .quiz-options label::before {
            display: flex !important;
            align-items: center !important;
            justify-content: center !important;
            width: 34px !important;
            height: 32px !important;
            min-width: 34px !important;
            margin-right: 20px !important;
            background: #f7f9fb !important;
            border: 1px solid #d9e1e9 !important;
            border-radius: 9px !important;
            color: #08295c !important;
            font-size: 15px !important;
            font-weight: 700 !important;
            box-sizing: border-box !important;
        }

    /* Letters */
    .quiz-options tr:nth-child(1) label::before {
        content: "A" !important;
    }

    .quiz-options tr:nth-child(2) label::before {
        content: "B" !important;
    }

    .quiz-options tr:nth-child(3) label::before {
        content: "C" !important;
    }

    .quiz-options tr:nth-child(4) label::before {
        content: "D" !important;
    }

    /* =========================================================
   HOVER
   ========================================================= */

    .quiz-options td:hover {
        border-color: #c8d4e2 !important;
        background: #ffffff !important;
    }

    /* =========================================================
   SELECTED OPTION
   ========================================================= */

    .quiz-options input[type="radio"]:checked + label {
        color: #0052cc !important;
        font-weight: 600 !important;
    }

        .quiz-options input[type="radio"]:checked + label::before {
            background: #eef5ff !important;
            border-color: #0052cc !important;
            color: #0052cc !important;
        }

/* =========================================================
   QUIZ BOX - OUTER WHITE CONTAINER
   ========================================================= */

.quiz-box {
    background: #ffffff !important;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
    border-radius: 20px !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08) !important;
    padding: 40px !important;
}

/* =========================================================
   TIMER
   ========================================================= */

.timer-chip {
    background: #fff3cd !important;
    color: #856404 !important;
    border: 1px solid #ffeeba !important;
    padding: 8px 18px !important;
    border-radius: 30px !important;
    font-weight: 700 !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
}

/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 768px) {
    .quiz-box {
        padding: 24px !important;
        border-radius: 16px !important;
    }

    .quiz-options {
        margin-top: 20px !important;
        border-spacing: 0 8px !important;
    }

        .quiz-options td {
            height: 62px !important;
            padding: 0 16px !important;
            border-radius: 12px !important;
        }

        .quiz-options label {
            height: 58px !important;
            font-size: 17px !important;
        }

            .quiz-options label::before {
                width: 30px !important;
                height: 28px !important;
                min-width: 30px !important;
                margin-right: 14px !important;
                border-radius: 8px !important;
            }
}

/* Auth Forms */
.auth-card {
    max-width: 460px;
    margin: 0 auto;
    padding: 40px;
    border-radius: 20px;
    background: white;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border: 1px solid #edf2f7;
}

.form-control {
    border-radius: 10px;
    padding: 12px 16px;
    border: 1.5px solid #e2e8f0;
}

    .form-control:focus {
        border-color: var(--primary-blue);
        box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.15);
    }

/* Footer */
.footer {
    background: #0c2146;
    color: #ffffff;
    padding: 70px 0 30px;
    margin-top: auto;
}

.footer-logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: white;
    text-decoration: none;
}

.footer-link {
    color: #a5adba;
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-block;
    margin-bottom: 10px;
}

    .footer-link:hover {
        color: var(--accent-cyan);
        transform: translateX(4px);
    }

/* Modal Code Viewer */
.code-modal-pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 20px;
    border-radius: 10px;
    max-height: 450px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 0.85rem;
}

.tagline-banner {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
}

.tagline-track {
    display: inline-flex;
    width: max-content;
    animation: tagline-loop 7s linear infinite;
}

.tagline-scroll {
    display: inline-block;
    animation: scroll-left-right 10s linear infinite;
}

.tagline-track span {
    display: inline-block;
    padding-right: 80px;
    font-weight: 600;
}

@keyframes scroll-left-right {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(100vw);
    }
}

.navbarbrandlogo {
    display: flex !important;
    align-items: center !important;
    width: 180px !important;
    height: 90px !important;
    padding: 0 !important;
    margin: 0 !important;
}

    .navbarbrandlogo .brand-logo-img {
        width: 300px !important;
        height: 150px !important;
        max-width: none !important;
        max-height: none !important;
        object-fit: contain !important;
        display: block !important;
    }