html,
body {
    font-family: "Lexend", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
}

* {
    font-family: "Inter", sans-serif;
    box-sizing: border-box;
}

body {
    padding-top: 0;
    width: 100%;
    overflow-x: hidden;
}

.top-page {
    font-family: "Lexend", sans-serif;
}

/* Header */
.header {
    font-family: "Lexend", sans-serif;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.header.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    transform: translateY(0);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.popup-close-btn {
    background-image: url("data:image/svg+xml;utf8, %3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%20xml%3Aspace%3D%22preserve%22%20version%3D%221.1%22%20style%3D%22shape-rendering%3AgeometricPrecision%3Btext-rendering%3AgeometricPrecision%3Bimage-rendering%3AoptimizeQuality%3B%22%20viewBox%3D%220%200%20847%20847%22%20x%3D%220px%22%20y%3D%220px%22%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20%20width%3D%22100%25%22%20height%3D%22100%25%22%20class%3D%22%22%20fill%3D%22rgba(250%2C%20244%2C%20176%2C%201)%22%3E%3Cdefs%3E%3Cstyle%20type%3D%22text%2Fcss%22%3E%0A%20%20%20%0A%20%20%20%20.ladi_shape_class.fil0%20%7Bfill%3Ablack%7D%0A%20%20%20%0A%20%20%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cg%3E%3Cpath%20class%3D%22fil0%20ladi_shape_class%22%20d%3D%22M101%2020l645%200c44%2C0%2081%2C36%2081%2C81l0%20645c0%2C44%20-37%2C81%20-81%2C81l-645%200c-45%2C0%20-81%2C-37%20-81%2C-81l0%20-645c0%2C-45%2036%2C-81%2081%2C-81zm322%20329l178%20-178%2075%2075%20-178%20177%20178%20178%20-75%2075%20-178%20-178%20-177%20178%20-75%20-75%20178%20-178%20-178%20-177%2075%20-75%20177%20178z%22%20style%3D%22fill%3A%20inherit%20!important%3B%22%3E%3C%2Fpath%3E%3C%2Fg%3E%3C%2Fsvg%3E");
}

.header.sticky-header+.header-pad {
    padding-top: 67px;
}

.header.returning {
    transform: translateY(-100%);
}

.header ul li a {
    font-family: "Lexend", sans-serif;
}

.logo-brand {
    width: auto;
    height: 40px;
}

.logo-brand img {
    width: 100%;
    height: 100%;
}

.gradient-text {
    background-image: linear-gradient(90deg, rgb(0, 104, 255), rgb(0, 149, 255));
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient {
    background-image: linear-gradient(to right, #f68034 0%, #f6bc34db 51%, #f66b34ed 100%);
    transition: 0.5s;
    background-size: 200% auto;
    box-shadow: 0 0 20px #eee;
}

.border-line-top {
    background-image: url(../images/hgkn56fcBhpD.png);
    height: 28px;
    width: 100%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: scroll;
    background-origin: content-box;
}

@media (min-width: 768px) {
    .border-line-top {
        height: 35px;
    }
}

.section-bg {
    background-size: cover;
    background-origin: content-box;
    background-position: 50% 50%;
    background-repeat: repeat;
    background-attachment: scroll;
}

ul.list li {
    position: relative;
    counter-increment: linum;
    padding-left: 20px;
}

ul.list li::before {
    background-image: url("data:image/svg+xml;utf8, %3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20height%3D%2269px%22%20viewBox%3D%220%20-960%20960%20960%22%20width%3D%2269px%22%20%20class%3D%22%22%20fill%3D%22rgba(255%2C%20194%2C%200%2C%201)%22%3E%3Cpath%20d%3D%22m421-298%20283-283-46-45-237%20237-120-120-45%2045%20165%20166Zm59%20218q-82%200-155-31.5t-127.5-86Q143-252%20111.5-325T80-480q0-83%2031.5-156t86-127Q252-817%20325-848.5T480-880q83%200%20156%2031.5T763-763q54%2054%2085.5%20127T880-480q0%2082-31.5%20155T763-197.5q-54%2054.5-127%2086T480-80Z%22%3E%3C%2Fpath%3E%3C%2Fsvg%3E");
    content: "";
    width: 16px;
    height: 16px;
    top: 4px;
    position: absolute;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    left: 0;
}

.list-item-no-outer {
    background-image: linear-gradient(180270deg,
            rgb(0, 68, 204),
            rgb(0, 149, 255));
    box-shadow: rgba(0, 104, 255, 0.6) 3px 6px 5px 0px;
}

.list-item-no-inner {
    background-image: linear-gradient(90deg, #282828, rgb(0, 0, 0));
}

.ratings-nav-btn,
.testimonial-nav-btn {
    width: 30px;
    height: 30px;
    color: white;
}

.text-truncate-line-3 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
}

[data-aos="fade-right"][data-aos-offset="40"] {
    transform: translate3d(-40px, 0, 0);
}

[data-aos="fade-left"][data-aos-offset="40"] {
    transform: translate3d(40px, 0, 0);
}

[data-aos] {
    overflow-anchor: none;
}

.hero {
    overflow: hidden;
    background-image: url("../images/hero-bg.jpg");
}

.course-list {
    background-image: url("../images/course-list-bg.jpg");
}

.course-list h3 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    padding: 0 10px;
}

.professional {
    background-image: url("../images/professional-bg.jpg");
}

.ratings {
    background-image: url("../images/rating-bg.jpg");
}

.roadmap {
    background-image: url("../images/roadmap-bg.jpg");
}

.news {
    background-image: url("../images/news-bg.jpg");
}

.footer {
    background-image: url("../images/footer-bg.jpg");
}

.form-control.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    display: block;
    color: #dc3545;
    font-size: 0.875em;
    margin-top: 0.25rem;
}

.text-muted {
    font-size: 0.8em;
    color: #6c757d !important;
}

.max-w-6xl {
    max-width: 1200px;
}
/* Container nav */
.main-menu {
    display: none;
}

/* Ul menu */
.main-menu .menu {
    display: flex;
    align-items: center;
    width: 100%;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 1rem;
    font-weight: 400;
    text-align: center;
}

/* Các item */
.main-menu .menu > .menu-item {
    position: relative;
    width: 25%;
}

/* Link */
.main-menu .menu-item > a {
    display: block;
    color: #ffffff;
    text-decoration: none;
    transition: color 0.2s ease;
}

.main-menu .menu-item > a:hover {
    color: #ffc200;
}

/* Item active/current */
.main-menu .menu-item-current > a,
.main-menu .current-menu-item > a {
    color: #ffc200;
}

/* Submenu (nếu WordPress tạo ra) */
.main-menu .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    list-style: none;
    margin: 0;
    padding: 0;
    min-width: 160px;
    background-color: #1a1a1a;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 100;
}

.main-menu .menu-item-has-children:hover > .sub-menu {
    display: block;
}

.main-menu .sub-menu .menu-item {
    width: 100%;
}

.main-menu .sub-menu .menu-item > a {
    padding: 10px 16px;
    white-space: nowrap;
    text-align: left;
}

/* Desktop */
@media (min-width: 1024px) {
    .main-menu {
        display: flex;
        flex: 1;
        align-items: center;
    }
}

/* Mobile menu override */
#mobile-menu .main-menu {
    display: block !important;
}

#mobile-menu .main-menu .menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

#mobile-menu .main-menu .menu-item {
    width: 100%;
}

#mobile-menu .main-menu .menu-item > a {
    padding: 8px 0;
    font-size: 1rem;
}

#mobile-menu .main-menu .sub-menu {
    display: block;
    position: static;
    transform: none;
    background: transparent;
    box-shadow: none;
    padding-left: 12px;
    min-width: unset;
}

#mobile-menu .main-menu .sub-menu .menu-item > a {
    padding: 6px 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75);
}

@media (min-width: 1280px) {
    .header.sticky-header + .header-pad {
        padding-top: 71px;
    }

    .xl\:absolute {
        position: absolute;
    }
}

/* modal login */

.auth-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    padding: 16px;
    backdrop-filter: blur(2px);
}

.auth-modal-overlay.is-open {
    display: flex;
}

/* Container */
.auth-modal-container {
    background: #fff;
    border-radius: 16px;
    width: 100%;
    max-width: 690px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    animation: authModalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes authModalIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.96);
    }

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

/* Header */
.auth-modal-header {
    background: linear-gradient(135deg, #0057e4 0%, #0073ff 100%);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.auth-modal-header-content {
    flex: 1;
    text-align: center;
}

.auth-modal-title {
    color: #ffd700;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 5px;
}

.auth-modal-subtitle {
    color: #fff;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.auth-modal-icon {
    font-size: 1rem;
}

.auth-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s;
}

.auth-modal-close:hover {
    background: rgba(255, 255, 255, 0.35);
}

.auth-modal-body {
    padding: 0;
    border-radius: 28px;
    border: 2px solid #ff5a07;
    background: #fff;
    box-shadow: 0px 7px 35px 0px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.auth-tabs {
    display: flex;
    border-bottom: 2px solid #f0f0f0;
}

.auth-tab {
    position: relative;
    width: 100%;
    border: none;
    background: none;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex: 1;
    text-align: center;
    height: 60px;
    font-weight: 700;
    color: white;
    cursor: pointer;
    z-index: 1;
}

.auth-tab:first-child {
    border-radius: 0;
}

.auth-tab--active {
    background: #fff;
    color: #222;
}

.auth-tab img {
    position: absolute;
    width: 100%;
    left: 0;
    z-index: 0;
    height: 100%;
    opacity: 1;
    transition: opacity 0.3s;
}

.auth-tab:first-child.auth-tab--active {
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 100%, 0 100%);
}

.auth-tab.auth-tab--active span {
    background: linear-gradient(270deg, #eb2805 0%, #fbc30b 100%);
    border: none !important;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    border: none !important;
}

.auth-tab.auth-tab--active img {
    opacity: 0;
}

.auth-tab:last-child.auth-tab--active {
    clip-path: polygon(20px 0, 100% 0, 100% 100%, 0 100%);
}

/* Panes */
.auth-tab-content {
    padding: 20px;
}

.auth-pane {
    display: none;
}

.auth-pane--active {
    display: block;
}

.auth-intro {
    font-size: 0.9rem;
    color: #444;
    margin-bottom: 16px;
    line-height: 1.5;
}

.auth-intro--highlight {
    color: #e53935;
    font-weight: 600;
}

.auth-form-group {
    margin-bottom: 14px;
}

.auth-label {
    display: block;
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 4px;
    font-weight: 500;
}

.auth-input {
    width: 100%;
    border: 1.5px solid #ddd;
    border-radius: 8px;
    padding: 10px 14px;
    font-family: "Lexend", sans-serif;
    font-size: 0.9rem;
    color: #222;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    outline: none;
}

.auth-input:focus {
    border-color: #0057e4;
    box-shadow: 0 0 0 3px rgba(0, 87, 228, 0.1);
}

.auth-input::placeholder {
    color: #aaa;
}

.auth-password-field {
    position: relative;
}

.auth-password-field .auth-input {
    padding-right: 42px;
}

.auth-password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    padding: 2px;
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.auth-password-toggle:hover {
    color: #555;
}

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

.auth-form-row-half .auth-form-group {
    flex: 1;
}

.auth-form-row-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    font-size: 0.85rem;
}

.auth-checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #555;
    cursor: pointer;
}

.auth-checkbox-label input[type="checkbox"] {
    width: 14px;
    height: 14px;
    cursor: pointer;
    accent-color: #0057e4;
}

.auth-link {
    color: #e53935;
    text-decoration: none;
    font-weight: 500;
}

.auth-link:hover {
    text-decoration: underline;
}

.auth-hint {
    display: block;
    font-size: 0.78rem;
    color: #888;
    margin-top: 5px;
    line-height: 1.4;
}

.auth-submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 20px;
    background: linear-gradient(90deg, #0068FF 0%, #0095FF 50%, #00BFFF 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    margin-top: 8px;
    transition: opacity 0.2s, transform 0.15s;
    font-family: "Lexend", sans-serif;
}

.auth-submit-btn:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.auth-submit-btn:active {
    transform: translateY(0);
}

.auth-free-tag {
    width: 52px;
    height: 52px;
    object-fit: contain;
    flex-shrink: 0;
}

.auth-btn-text {
    text-align: left;
}

.auth-btn-title {
    font-size: 1rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.auth-btn-subtitle {
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 2px;
}

.auth-modal-container::-webkit-scrollbar {
    width: 5px;
}

.auth-modal-container::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.auth-modal-container::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 10px;
}

.btn-gradient {
    background: linear-gradient(135deg, #0068FF, #0095FF);
    color: #fff !important;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    padding: 9px 26px;
    transition: opacity .2s;
    text-decoration: none;
}

.btn-gradient:hover {
    opacity: .88;
}

.auth-section {
    min-height: calc(100vh - 62px - 160px);
}

.auth-section h1 {
    font-family: "Inter", sans-serif;
}

.form-control {
    border-radius: 8px;
    border: 1.5px solid #ddd;
    padding: 14px 22px;
    font-size: 15px;
    line-height: 28px;
}

.form-control:focus {
    border-color: #f2994a;
    box-shadow: 0 0 0 3px rgba(242, 153, 74, .15);
}

.form-label {
    font-size: 16px;
    line-height: 28px;
    margin-bottom: 16px;
    font-weight: 500;
}

.forgot-link {
    font-weight: 500;
    color: #2f57ef;
}

.btn-submit {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, #0068FF 0%, #0095FF 100%);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    transition: opacity .2s, transform .15s;
}

.btn-submit:hover {
    opacity: .9;
    transform: translateY(-1px);
}

.btn-submit:active {
    transform: none;
}

.switch-text {
    font-size: .875rem;
    color: #555;
}

.switch-text a {
    color: #1a1a2e;
    font-weight: 700;
    text-decoration: none;
}

.switch-text a:hover {
    text-decoration: underline;
}

.auth-illustration img {
    max-width: 630px;
    width: 100%;
}

.field-hint {
    font-size: .875em;
    color: #212529bf;
}

/*  COURSE DETAIL PAGE */

.course-detail-main {
    min-height: calc(100vh - 67px);
    background-image: url(../images/hero-bg.jpg);
    color: #e8e8e8;
}

/* ---- Lesson header ---- */
.lesson-header {
    margin-bottom: 28px;
}

.lesson-badge {
    display: inline-block;
    background: linear-gradient(90deg, #0068FF, #0095FF);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    padding: 3px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.lesson-title {
    font-family: "Lexend", sans-serif;
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 8px;
    line-height: 1.3;
}

.lesson-subtitle {
    font-size: 0.95rem;
    color: #aaa;
    margin: 0;
}

/* ---- Video wrapper (16:9 responsive) ---- */
.lesson-video-wrapper {
    margin-bottom: 36px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.lesson-video-inner {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    /* 16:9 */
}

.lesson-video-inner iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ---- Content grid (2 cols) ---- */
.lesson-content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 900px) {
    .lesson-content-grid {
        grid-template-columns: 1fr 340px;
        align-items: start;
    }
}

.lesson-description-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}


/* ---- Checklist ---- */
.lesson-list {
    list-style: none;
    margin: 14px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.lesson-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: #ccc;
    line-height: 1.5;
}

.lesson-list li i {
    color: #34c759;
    font-size: 0.95rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ---- Progress card ---- */

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    color: #aaa;
    margin-bottom: 6px;
}

.progress-percent {
    font-weight: 700;
    color: #fda803;
}

.progress-bar-track {
    width: 100%;
    height: 6px;
    background: #2e2e2e;
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #f3de58, #fda803);
    border-radius: 99px;
    transition: width 0.6s ease;
}

.progress-detail {
    font-size: 0.8rem;
    color: #777;
    margin: 0 0 16px;
}

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

.lesson-nav-btn {
    flex: 1;
    padding: 9px 14px;
    border-radius: 8px;
    border: none;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s;
}

.lesson-nav-btn--prev {
    background: #2a2a2a;
    color: #888;
}

.lesson-nav-btn--prev:not(:disabled):hover {
    background: #333;
    color: #fff;
}

.lesson-nav-btn--prev:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.lesson-nav-btn--next {
    background: linear-gradient(90deg, #f3de58, #fda803);
    color: #000;
    font-weight: 700;
}

.lesson-nav-btn--next:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}


/* No Login  */

.course-locked {
    min-height: calc(100vh - 67px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.locked-overlay {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(253, 168, 3, 0.12) 0%, transparent 70%),
        #0d0d0d;
}

.locked-card {
    background: #161616;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 48px 36px;
    max-width: 460px;
    width: 100%;
    text-align: center;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.7);
    animation: lockedCardIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes lockedCardIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }

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

.locked-icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(0, 104, 255, 0.15), rgba(0, 149, 255, 0.08));
    border: 1px solid rgba(0, 104, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    animation: lockedPulse 2.5s ease-in-out infinite;
}

@keyframes lockedPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(253, 168, 3, 0.25);
    }

    50% {
        box-shadow: 0 0 0 14px rgba(253, 168, 3, 0);
    }
}

.locked-icon {
    font-size: 2rem;
    color: #0068FF;
}

.locked-title {
    font-family: "Lexend", sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 12px;
}

.locked-desc {
    font-size: 0.92rem;
    color: #999;
    line-height: 1.7;
    margin: 0 0 28px;
}

.locked-login-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(90deg, #0068FF, #0095FF);
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 13px 32px;
    border-radius: 10px;
    text-decoration: none;
    transition: opacity 0.2s, transform 0.2s;
    letter-spacing: 0.3px;
    cursor: pointer;
}

.locked-login-btn:hover {
    opacity: 0.88;
    transform: translateY(-2px);
    color: #000;
}

.locked-hint {
    margin: 18px 0 0;
    font-size: 0.83rem;
    color: #666;
}

.locked-hint a {
    color: #fda803;
    font-weight: 600;
    text-decoration: none;
}

.locked-hint a:hover {
    text-decoration: underline;
}

.lesson-entry-content {
    color: #d4d4d4;
    font-size: 0.97rem;
    line-height: 1.85;
    word-break: break-word;
}


.lesson-entry-content h1,
.lesson-entry-content h2,
.lesson-entry-content h3,
.lesson-entry-content h4,
.lesson-entry-content h5,
.lesson-entry-content h6 {
    font-family: "Lexend", sans-serif;
    color: #ffffff;
    font-weight: 700;
    line-height: 1.3;
    margin-top: 1.6em;
    margin-bottom: 0.5em;
}

.lesson-entry-content h1 {
    font-size: 1.75rem;
}

.lesson-entry-content h2 {
    font-size: 1.4rem;
    border-left: 3px solid #fda803;
    padding-left: 12px;
}

.lesson-entry-content h3 {
    font-size: 1.15rem;
    color: #fda803;
}

.lesson-entry-content h4 {
    font-size: 1rem;
    color: #f3de58;
}

.lesson-entry-content h5 {
    font-size: 0.95rem;
    color: #ccc;
}

.lesson-entry-content h6 {
    font-size: 0.9rem;
    color: #aaa;
}

.lesson-entry-content p {
    margin: 0 0 1.1em;
    color: #ccc;
}

.lesson-entry-content p:last-child {
    margin-bottom: 0;
}

.lesson-entry-content strong,
.lesson-entry-content b {
    color: #ffffff;
    font-weight: 700;
}

.lesson-entry-content em,
.lesson-entry-content i {
    font-style: italic;
    color: #e0e0e0;
}

.lesson-entry-content u {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.lesson-entry-content a {
    color: #fda803;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s;
}

.lesson-entry-content a:hover {
    color: #f3de58;
}

.lesson-entry-content ul {
    list-style: none;
    margin: 0 0 1.1em;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lesson-entry-content ul li {
    position: relative;
    padding-left: 22px;
    color: #fff;
    font-size: 0.93rem;
    line-height: 1.6;
}

.lesson-entry-content ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 7px;
    width: 8px;
    height: 8px;
    background: #0068FF;
    border-radius: 50%;
}

.lesson-entry-content ol {
    margin: 0 0 1.1em;
    padding-left: 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lesson-entry-content ol li {
    color: #ccc;
    font-size: 0.93rem;
    line-height: 1.6;
    padding-left: 4px;
}

.lesson-entry-content ol li::marker {
    color: #fda803;
    font-weight: 700;
}

.lesson-entry-content blockquote {
    border-left: 4px solid #fda803;
    background: rgba(253, 168, 3, 0.07);
    margin: 1.2em 0;
    padding: 14px 20px;
    border-radius: 0 8px 8px 0;
    color: #e2c97e;
    font-style: italic;
}

.lesson-entry-content blockquote p {
    color: inherit;
    margin: 0;
}

.lesson-entry-content hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 1.8em 0;
}


.lesson-entry-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    margin: 1em auto;
}

.lesson-entry-content code {
    background: rgba(255, 255, 255, 0.08);
    color: #f3de58;
    font-family: "Courier New", monospace;
    font-size: 0.88em;
    padding: 2px 7px;
    border-radius: 4px;
}

.lesson-entry-content pre {
    background: #111;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 8px;
    padding: 16px 20px;
    overflow-x: auto;
    margin: 1.2em 0;
    font-family: "Courier New", monospace;
    font-size: 0.87rem;
    color: #f3de58;
    line-height: 1.6;
}

.lesson-entry-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.lesson-entry-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.2em 0;
    font-size: 0.9rem;
}

.lesson-entry-content table thead tr {
    background: rgba(253, 168, 3, 0.15);
}

.lesson-entry-content table th {
    color: #fda803;
    font-weight: 700;
    text-align: left;
    padding: 10px 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    white-space: nowrap;
}

.lesson-entry-content table td {
    padding: 9px 14px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    color: #ccc;
    vertical-align: top;
}

.lesson-entry-content table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.03);
}

/*  COURSES LIST PAGE */

.courses-list-main .banner {
    background: linear-gradient(90deg, #0a0f3c, #1b2a7a);
    color: #fff;
    padding: 80px 0 120px;
    position: relative;
    overflow: hidden;
}

.courses-list-main .banner {
    background: url("../images/banner-course.png");
    background-size: cover;
    background-position: right;
}


.courses-list-main .banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.courses-list-main .text h1 {
    font-size: 48px;
    margin-bottom: 16px;
    font-weight: 900;
}

.courses-list-main .text p {
    font-size: 20px;
}


.courses-list-main .search-bar {
    border-bottom: 1px solid #E5E7EB;
    padding: 20px 0;
    position: relative;
    z-index: 2;
}

.courses-list-main .search-wrap {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
}


.courses-list-main .search-input {
    width: 100%;
}

.courses-list-main .search-input input {
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #ccc;
    outline: none;
    width: 100%;
}

.courses-list-main .category {
    display: flex;
    align-items: center;
    gap: 10px;
}

.courses-list-main .category select {
    padding: 10px;
    border-radius: 6px;
    min-width: 150px;
    border: 1px solid #ccc;
}

/* Button gradient */
.courses-list-main .btn-search {
    background: linear-gradient(90deg, #4facfe, #a64bf4);
    color: #fff;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    flex-shrink: 0;
    font-weight: 600;
}

.courses-list-main .btn-search:hover {
    filter: brightness(1.1);
}

.courses-list-main {
    min-height: calc(100vh - 67px);
    background: #fff;
    color: #000;
}

.courses-list-hero {
    padding: 56px 0 36px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(253, 168, 3, 0.1) 0%, transparent 65%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.courses-list-hero__eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #fda803;
    margin: 0 0 10px;
}

.courses-list-hero__title {
    font-family: "Lexend", sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 14px;
    line-height: 1.2;
}

.courses-list-hero__sub {
    font-size: 0.97rem;
    color: #999;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---- Grid ---- */
.course-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}

@media (min-width: 640px) {
    .course-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}


@media screen and (min-width: 992px) {
    .courses-list-main .banner {
        background-repeat: no-repeat;
        background-size: 100%;
    }

    .courses-list-main .search-wrap {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .course-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ---- Card ---- */
.course-card {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border-color: rgba(253, 168, 3, 0.3);
}

.course-card__title-top {
    font-family: "Lexend", sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #000;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    text-align: left;
}

/* Thumbnail */
.course-card__thumb-link {
    display: block;
    text-decoration: none;
}

.course-card__thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #111;
}

.course-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.course-card:hover .course-card__thumb img {
    transform: scale(1.04);
}

/* Body */
.course-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 12px;
    background: #fff;
}

/* Meta row */
.course-card__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: #ccc;
}

.course-card__meta strong {
    color: #ffffff;
    font-weight: 700;
}

.course-card__meta-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    flex-shrink: 0;
}

/* Description */
.course-card__desc {
    font-size: 0.87rem;
    color: #aaa;
    line-height: 1.65;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.course-card__desc::before {
    content: "✦ ";
    color: #fda803;
    font-size: 0.7rem;
}

/* CTA Button */
.course-card__btn {
    display: block;
    width: 100%;
    padding: 13px 20px;
    background: linear-gradient(90deg, #0068FF, #0095FF);
    color: #fff;
    font-family: "Lexend", sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0.8px;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    transition: opacity 0.2s, transform 0.2s;
    margin-top: auto;
}

.course-card__btn:hover {
    opacity: 0.88;
    transform: translateY(-2px);
    color: #000;
}

.course-card--locked {
    position: relative;
}

.course-card--locked .course-card__thumb-link {
    pointer-events: none;
    user-select: none;
}

/* Overlay */
.course-card__lock-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.2),
            rgba(0, 0, 0, 0.72)
    );
    backdrop-filter: blur(2px);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.course-card__lock-box {
    max-width: 280px;
    width: 100%;
    text-align: center;
    padding: 22px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.course-card__lock-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 14px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #000;
    background: linear-gradient(to right, #f3de58, #fda803);
    box-shadow: 0 8px 18px rgba(253, 168, 3, 0.35);
}

.course-card__lock-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.35;
    color: #fff;
    margin-bottom: 8px;
}

.course-card__lock-desc {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.86);
}

.course-card--locked:hover .course-card__lock-overlay {
    background: linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.28),
            rgba(0, 0, 0, 0.8)
    );
}

.course-card--locked:hover .course-card__lock-box {
    transform: translateY(-2px);
    transition: transform 0.3s ease;
}

/* Pagination */
.courses-pagination {
    margin-top: 48px;
}

.courses-pagination .pagination {
    gap: 6px;
}

.courses-pagination .page-link {
    background: #ccc;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #000;
    font-family: "Lexend", sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px !important;
    transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
    line-height: 1.4;
}

.courses-pagination .page-link:hover {
    background: linear-gradient(135deg, #4facfe, #a64bf4);
    border-color: rgba(253, 168, 3, 0.4);
    color: #fff;
    transform: translateY(-1px);
}

.courses-pagination .page-item.active .page-link {
    background: linear-gradient(135deg, #4facfe, #a64bf4);
    border-color: transparent;
    color: #fff;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(253, 168, 3, 0.35);
}

.courses-pagination .page-item.disabled .page-link {
    background: #ccc;
    border-color: rgba(255, 255, 255, 0.05);
    color: #000;
    cursor: not-allowed;
}

.courses-pagination .page-link:focus {
    box-shadow: 0 0 0 3px rgba(253, 168, 3, 0.25);
}

.my-courses .eBtn {
    padding: 12px 30px;
    border-radius: 10px;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    display: inline-block;
}

.my-courses .g-title {
    font-size: 24px;
    font-weight: 600;
    color: #192335;
}

.auth-section .alert {
    border-radius: 8px;
    border: 1px solid #b6d7a8;
    background-color: #eaf5e4;
    padding: 15px 20px;
    font-size: 14px;
    line-height: 1.6;
}

.auth-section .alert-dismissible .btn-close {
    right: -8px;
}


.breadcrumb-single-page {
    height: 350px;
    background: linear-gradient(90deg, #f68034 26%, #f67f33 93%);
    position: relative;
    z-index: 0;
}

.breadcrumb-single-page::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.94) 0%, rgba(255,255,255,0.35) 70%);
    z-index: -1;
}

.breadcrumb-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: #111;
    line-height: 1.35;
    max-width: 750px;
    margin-bottom: 0.5rem;
}

.single-content-section {
    margin-top: -250px;
    position: relative;
}

.single-news-content h2,
.single-news-content h3,
.single-news-content h4 {
    color: #000;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 16px;
    line-height: 1.4;
}

.single-news-content h2 {
    font-size: 28px;
}

.single-news-content h3 {
    font-size: 24px;
}

.single-news-content h4 {
    font-size: 20px;
}

.single-news-content p {
    margin-bottom: 20px;
    line-height: 1.9;
}

.single-news-content img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    margin: 24px auto;
}

.single-news-content ul,
.single-news-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.single-news-content li {
    margin-bottom: 10px;
}

.single-news-content blockquote {
    border-left: 4px solid #fdb814;
    padding-left: 16px;
    margin: 24px 0;
    font-style: italic;
    color: #555;
}

.single-news-content a {
    color: #fdb814;
    text-decoration: underline;
}

.single-news-content iframe {
    width: 100%;
    min-height: 420px;
    border-radius: 16px;
    margin: 24px 0;
}