/* ---- Reset ---- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fc;
    color: #2d2d2d;
    font-size: 15px;
}

a {
    color: #0057B8;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
}

ul {
    list-style: none;
}

/* =============================================
   HEADER / NAVBAR
   ============================================= */
header {
    background-color: #ffffff;
    border-bottom: 3px solid #0057B8;
}
.dark .navbar{
    background-color: #1a1a1a;
}
 .navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px;
}

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

.logo img {
    height: 44px;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: bold;
    color: #0057B8;
}

 .nav-links {
    display: flex;
    gap: 10px;
}

.nav-links a {
    padding: 7px 14px;
    border-radius: 20px;
    font-size: 0.92rem;
    font-weight: bold;
    color: #2d2d2d;
    border: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: #0057B8;
    color: #ffffff;
    text-decoration: none;
}

/* =============================================
   BREADCRUMB
   ============================================= */
.breadcrumb {
    background-color: #ffffff;
    border-bottom: 1px solid #dde3ee;
    padding: 10px 0;
}

.breadcrumb-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    font-size: 0.85rem;
    color: #666;
}

.breadcrumb-inner a {
    color: #0057B8;
    font-weight: bold;
}

.breadcrumb-inner span {
    margin: 0 6px;
}

/* =============================================
   MAIN CONTENT
   ============================================= */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 36px 24px;
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    height: 90vh;
    display: flex;
    align-items: center;
    padding: 0 10%;
    color: white;
    background:
        linear-gradient(to right, #0a192fe6, #034bb799),
        url(images/background.png);

    background-size: cover;
    background-position: center;
    position: relative;

}
.hero-content h1 {
    color: #ffffff;
    font-size: 2.4rem;
    margin-bottom: 14px;
}


.hero-content p {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 24px;
}

.hero-btns {
    display: flex;
    gap: 12px;
}
.hero-img img {
    width: 320px;
    height: 280px;
    object-fit: cover;
    border-radius: 10px;
    display: block;
} 

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 6px;
    font-weight: bold;
    font-size: 0.92rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: #F5A623;
    color: #1a1a2e;
}

.btn-primary:hover {
    background-color: #e0931a;
    text-decoration: none;
}

.btn-outline {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.btn-outline:hover {
    background-color: #ffffff;
    color: #0057B8;
    text-decoration: none;
}

.btn-blue {
    background-color: #0057B8;
    color: #ffffff;
}

.btn-blue:hover {
    background-color: #003f8a;
    text-decoration: none;
}

.btn-danger {
    background-color: #dc3545;
    color: #ffffff;
}

.btn-success {
    background-color: #28a745;
    color: #ffffff;
}

.btn-sm {
    padding: 7px 16px;
    font-size: 0.85rem;
}

/* =============================================
   SECTION HEADER
   ============================================= */
.section-header {
    text-align: center;
    margin-bottom: 32px;
}

.section-header h2 {
    margin-bottom: 8px;
}

.section-header p {
    color: #666;
}

/* =============================================
   LESSON CARDS (Home Page - Flexbox)
   ============================================= */
.lessons-flex {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 48px;
}

.lesson-card {
    flex: 1 1 280px;
    max-width: 360px;
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.lesson-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.lesson-card-body {
    padding: 16px;
}

.lesson-title {
    font-size: 1.1rem;
    font-weight: bold;
    color: #1a1a2e;
}

.lesson-category-tag {
    display: inline-block;
    background-color: #e8f0fb;
    color: #0057B8;
    font-size: 0.75rem;
    font-weight: bold;
    padding: 2px 10px;
    border-radius: 20px;
    margin-bottom: 8px;
}

.lesson-teacher {
    font-size: 0.85rem;
    color: #666;
    margin-top: 8px;
}

/* Hover overlay */
.lesson-hover-info {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #003f8a;
    color: #ffffff;
    padding: 24px;
    border-radius: 10px;
}

.lesson-card:hover .lesson-hover-info {
    display: block;
}

.lesson-hover-info h3 {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.lesson-hover-info p {
    font-size: 0.9rem;
    color: #ffffff;
    margin-bottom: 8px;
}

/* =============================================
   REVIEWS SECTION
   ============================================= */
.reviews-section {
    margin-bottom: 48px;
}

.reviews-flex {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.review-card {
    flex: 1 1 260px;
    max-width: 340px;
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    padding: 22px;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: #0057B8;
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}

.review-name {
    font-weight: bold;
    font-size: 0.95rem;
}

.review-role {
    font-size: 0.8rem;
    color: #666;
}

.stars {
    color: #F5A623;
    font-size: 1rem;
}

.review-text {
    font-size: 0.9rem;
    color: #666;
    margin-top: 8px;
}

/* =============================================
   COURSE CONTENT PAGE (Flexbox)
   ============================================= */
.courses-flex {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.course-card {
    flex: 1 1 300px;
    max-width: 370px;
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    overflow: hidden;
}

.course-card-img {
    width: 100%;
    height: 175px;
    object-fit: cover;
    background-color: #e8f0fb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.course-card-body {
    padding: 18px;
}

.course-card-body h3 a {
    color: #1a1a2e;
    font-size: 1.1rem;
    font-weight: bold;
}

.course-card-body h3 a:hover {
    color: #0057B8;
    text-decoration: none;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.course-desc {
    font-size: 0.88rem;
    color: #666;
    margin: 8px 0;
}

.teacher-line {
    font-size: 0.85rem;
    color: #666;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #dde3ee;
}

/* =============================================
   LESSON PAGES
   ============================================= */
.lesson-wrapper {
    max-width: 820px;
    margin: 0 auto;
}

.lesson-box {
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    overflow: hidden;
}

.lesson-box-header {
    background-color: #0057B8;
    color: #ffffff;
    padding: 18px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lesson-box-header h2 {
    color: #ffffff;
    font-size: 1.5rem;
}

.lesson-page-num {
    font-size: 0.85rem;
    color: #ffffff;
}

.lesson-box-body {
    padding: 28px;
}

.lesson-text-section {
    margin-bottom: 24px;
}

.lesson-text-section h3 {
    margin-bottom: 8px;
}

.lesson-text-section p {
    color: #666;
}

.lesson-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.9rem;
}

.lesson-table th {
    background-color: #0057B8;
    color: #ffffff;
    padding: 10px 14px;
    text-align: left;
}

.lesson-table td {
    padding: 10px 14px;
    border-bottom: 1px solid #dde3ee;
}

.lesson-table tr:nth-child(even) td {
    background-color: #f4f7fc;
}

.nested-list {
    margin: 16px 0;
}

.nested-list > li {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 6px;
}

.nested-list > li > ul > li {
    list-style: circle;
    margin-left: 20px;
    color: #666;
    font-size: 0.9rem;
}

.lesson-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    border-top: 1px solid #dde3ee;
    background-color: #f9fbff;
}

.back-to-courses {
    display: inline-block;
    color: #0057B8;
    font-weight: bold;
    font-size: 0.9rem;
    margin-bottom: 18px;
}

.quiz-cta {
    background-color: #e8f0fb;
    border: 1px solid #0057B8;
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    margin-top: 24px;
}

.quiz-cta h3 {
    color: #0057B8;
    margin-bottom: 6px;
}

.quiz-cta p {
    color: #666;
    margin-bottom: 16px;
}

/* =============================================
   QUIZ PAGE
   ============================================= */
.quiz-wrapper {
    max-width: 720px;
    margin: 0 auto;
}

.quiz-box {
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    overflow: hidden;
}

.quiz-box-header {
    background-color: #0057B8;
    color: #ffffff;
    padding: 18px 28px;
}

.quiz-box-header h2 {
    color: #ffffff;
}

.quiz-box-body {
    padding: 28px;
}

.quiz-question {
    margin-bottom: 28px;
}

.quiz-question p {
    font-weight: bold;
    margin-bottom: 12px;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border: 1px solid #dde3ee;
    border-radius: 6px;
    margin-bottom: 8px;
    cursor: pointer;
}

.quiz-option:hover {
    border-color: #0057B8;
    background-color: #f0f5ff;
}

.quiz-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    border-top: 1px solid #dde3ee;
    background-color: #f9fbff;
}

/* =============================================
   RESULT PAGE
   ============================================= */
.result-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.result-box {
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    overflow: hidden;
    text-align: center;
}

.result-header {
    background-color: #28a745;
    color: #ffffff;
    padding: 20px 28px;
}

.result-header h2 {
    color: #ffffff;
    font-size: 1.6rem;
}

.result-body {
    padding: 32px;
}

.score-display {
    font-size: 2.5rem;
    color: #0057B8;
    font-weight: bold;
    margin-bottom: 8px;
}

.progress-bar {
    background-color: #dde3ee;
    border-radius: 20px;
    height: 12px;
    margin: 12px 0;
}

.progress-fill {
    background-color: #0057B8;
    height: 100%;
    border-radius: 20px;
}

.result-status {
    font-size: 1.4rem;
    font-weight: bold;
    margin: 10px 0;
    color: #28a745;
}

.best-score {
    background-color: #fff8e6;
    border: 1px solid #F5A623;
    border-radius: 8px;
    padding: 12px 20px;
    margin: 16px 0;
    font-size: 0.95rem;
}

.result-btns {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 20px;
    flex-wrap: wrap;
}

/* =============================================
   ABOUT US PAGE
   ============================================= */
.sort-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: flex-end;
    margin-bottom: 24px;
}

.sort-select {
    padding: 8px 14px;
    border: 1px solid #dde3ee;
    border-radius: 6px;
    font-size: 0.9rem;
}

.teachers-scroll-container {
    overflow-x: auto;
    padding-bottom: 12px;
}

.teachers-flex {
    display: flex;
    gap: 24px;
    flex-wrap: nowrap;
    min-width: max-content;
}

.teacher-card {
    width: 260px;
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    overflow: hidden;
}

.teacher-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.teacher-card-img {
    width: 100%;
    height: 200px;
    background-color: #e8f0fb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.teacher-card-body {
    padding: 18px;
}

.teacher-card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.teacher-exp {
    color: #0057B8;
    font-weight: bold;
    font-size: 0.88rem;
    margin-bottom: 8px;
}

.teacher-bio {
    font-size: 0.85rem;
    color: #666;
}

/* =============================================
   CONTACT US PAGE
   ============================================= */
.contact-grid {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.contact-info-box {
    flex: 1 1 250px;
    background-color: #0057B8;
    color: #ffffff;
    border-radius: 10px;
    padding: 30px;
}

.contact-info-box h3 {
    color: #ffffff;
    margin-bottom: 24px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
}

.contact-info-item p {
    font-size: 0.9rem;
    color: #ffffff;
    margin: 0;
}

.contact-info-item strong {
    display: block;
    margin-bottom: 2px;
}

.contact-form-box {
    flex: 2 1 380px;
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    padding: 30px;
}

.contact-form-box h3 {
    margin-bottom: 20px;
}

/* =============================================
   FORMS
   ============================================= */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: bold;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #dde3ee;
    border-radius: 6px;
    font-family: Arial, sans-serif;
    font-size: 0.92rem;
    color: #2d2d2d;
    background-color: #ffffff;
}

.form-control:focus {
    outline: none;
    border-color: #0057B8;
}

textarea.form-control {
    min-height: 120px;
}

/* =============================================
   STUDENT DASHBOARD
   ============================================= */
.dashboard-header {
    margin-bottom: 28px;
}

.dashboard-title h2 {
    margin-bottom: 4px;
}

.dashboard-title p {
    color: #666;
    font-size: 0.9rem;
}

.dashboard-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.dashboard-link-card {
    flex: 1 1 200px;
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    color: #2d2d2d;
    text-decoration: none;
}

.dashboard-link-card:hover {
    color: #0057B8;
    text-decoration: none;
    border-color: #0057B8;
}

.dashboard-link-card .icon {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.dashboard-link-card h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.dashboard-link-card p {
    font-size: 0.85rem;
    color: #666;
}

.scores-table-wrap {
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    overflow: hidden;
}

.scores-table-wrap h3 {
    padding: 16px 22px;
    border-bottom: 1px solid #dde3ee;
    font-size: 1.1rem;
}

.scores-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.scores-table th {
    background-color: #f4f7fc;
    color: #2d2d2d;
    padding: 11px 18px;
    text-align: left;
    font-weight: bold;
    border-bottom: 1px solid #dde3ee;
}

.scores-table td {
    padding: 11px 18px;
    border-bottom: 1px solid #dde3ee;
}

.score-none { color: #666; font-style: italic; }
.score-pass { color: #28a745; font-weight: bold; }
.score-fail { color: #dc3545; font-weight: bold; }

/* =============================================
   MY NOTES PAGE
   ============================================= */
.notes-section {
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 24px;
}

.notes-section h3 {
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid #dde3ee;
}

.note-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    border: 1px solid #dde3ee;
    border-radius: 8px;
    margin-bottom: 10px;
}

.note-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

.note-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 6px;
    background-color: #dde3ee;
}

.note-info { flex: 1; }
.note-info .note-text { font-weight: bold; font-size: 0.92rem; }
.note-info .note-date { font-size: 0.8rem; color: #666; }
.note-info .note-priority { font-size: 0.8rem; color: #0057B8; font-weight: bold; }

.form-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1 1 200px;
}

/* =============================================
   TEACHERS EVALUATION
   ============================================= */
.eval-box {
    max-width: 600px;
    margin: 0 auto;
    background-color: #ffffff;
    border: 1px solid #dde3ee;
    border-radius: 10px;
    overflow: hidden;
}

.eval-box-header {
    background-color: #0057B8;
    color: #ffffff;
    padding: 18px 28px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.eval-box-header h3 { color: #ffffff; }

.eval-box-body { padding: 28px; }

.sub-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 28px;
    border-bottom: 2px solid #dde3ee;
}

.sub-nav a {
    padding: 10px 18px;
    font-weight: bold;
    color: #666;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    font-size: 0.95rem;
}

.sub-nav a:hover { color: #0057B8; text-decoration: none; }
.sub-nav a.active { color: #0057B8; border-bottom-color: #0057B8; }

.star-rating { display: flex; gap: 6px; margin-top: 6px; }
.star-rating input[type="radio"] { display: none; }
.star-rating label { font-size: 1.6rem; cursor: pointer; color: #dde3ee; }
.star-rating label:hover,
.star-rating input:checked ~ label { color: #F5A623; }

/* =============================================
   FOOTER
   ============================================= */
footer {
    background-color: #1a1a2e;
    color: #ffffff;
    margin-top: 40px;
}

.footer-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 36px 24px;
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}
.footer-brand img {
    height: 44px;
}

.footer-brand { flex: 1 1 200px; }
.footer-brand .logo-text { color: #ffffff; }
.footer-brand p { font-size: 0.88rem; margin-top: 10px; color: #aaaaaa; }
.footer-brand a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.footer-col { flex: 1 1 160px; }
.footer-col h4 { color: #ffffff; margin-bottom: 14px; font-size: 0.95rem; }
.footer-col p, .footer-col a { font-size: 0.88rem; color: #aaaaaa; display: block; margin-bottom: 6px; }
.footer-col a:hover { color: #F5A623; text-decoration: none; }

.footer-social { display: flex; gap: 12px; margin-top: 4px; }
.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background-color: #333355;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: bold;
}
.footer-social a:hover { background-color: #0057B8; text-decoration: none; }

.footer-bottom {
    border-top: 1px solid #333355;
    text-align: center;
    padding: 14px 24px;
    font-size: 0.83rem;
    color: #777777;
}

/* =============================================
   PLACEHOLDER & UTILITIES
   ============================================= */
.img-placeholder {
    background-color: #e8f0fb;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0057B8;
    font-size: 2rem;
}

.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

/*=========== Dark mode ============*/
.dark {
  background-color: #121212;
  color: white;
}

.dark header {
    background-color: #1a1a1a;
}

.dark .breadcrumb {
    background-color:#1a1a1a;
    border: none;
}

.dark .teacher-card {
    background-color: #1e1e1e;
    border-color: #333;
}

.dark .teacher-bio {
    color: #cccccc;
}

.dark .teacher-exp {
    color: #4da3ff;
}

.dark .breadcrumb-inner {
    background-color: #1a1a1a;
}

.dark .contact-form-box {
    background-color: #1a1a1a;
    color: white;
}

.dark input,
.dark textarea {
    background-color: #1a1a1a;
    color: white;
}

.dark input::placeholder,
.dark textarea::placeholder {
    color: #aaa;
}

.dark .card {
    background-color: #1a1a1a;
    color: white;
}

.dark table {
    background-color: #1a1a1a;
    color: white;
}

.dark table tr {
    border-color: #333;
}

.dark table th {
    background-color: #2a2a2a;
    color: white;
}

.dark .scores-table-wrap {
    background-color: #1a1a1a;
    color: white;
}

.dark .scores-table th {
    background-color: #2a2a2a;
    color: white;
}

.dark .scores-table td {
    color: white;
}

.dark body,
.dark main {
  background-color: #121212;
}

.dark .breadcrumb,
.dark .contact-form-box,
.dark .course-card,
.dark .review-card,
.dark .lesson-box,
.dark .quiz-box,
.dark .result-box,
.dark .teacher-card,
.dark .dashboard-link-card,
.dark .scores-table-wrap,
.dark .notes-section,
.dark .eval-box,
.dark .quiz-cta {
  background-color: #1a1a1a;
  color: white;
  border-color: #333;
}

/*text */
.dark .section-header p,
.dark .course-desc,
.dark .teacher-bio,
.dark .review-text,
.dark .teacher-line,
.dark .dashboard-title p,
.dark .lesson-text-section p,
.dark .quiz-cta p,
.dark .note-date,
.dark .review-role,
.dark .breadcrumb-inner {
  color: #cccccc;
}

/* forms*/
.dark .form-control,
.dark input,
.dark textarea,
.dark select {
  background-color: #1a1a1a;
  color: white;
  border-color: #444;
}

.dark input::placeholder,
.dark textarea::placeholder {
  color: #aaaaaa;
}

/* الجداول */
.dark .scores-table,
.dark .lesson-table {
  background-color: #1a1a1a;
  color: white;
}

.dark .scores-table th,
.dark .lesson-table th {
  background-color: #2a2a2a;
  color: white;
}

.dark .scores-table td,
.dark .lesson-table td {
  color: white;
  border-color: #333;
}

.dark .score-none {
  color: #bbbbbb;
}

/* Back to top */
#topBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: none;
  padding: 10px;
  cursor: pointer;
}

/* Clock */
#clock {
    position: fixed;
    top: 10px;
    right: 20px;
    background-color: #0057B8;
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}


/* more */
.more-btn {
  background-color: #2b6cb0;
  color: white;
  border: none;
  padding: 12px 35px;
  border-radius: 25px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  margin-bottom: 30px;
}

.more-btn:hover {
  background-color: #1e4e8c;
}