:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --surface-muted: #eef2f7;
    --text: #0f172a;
    --muted: #475569;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-soft: #dbeafe;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --info: #2563eb;
    --border: #dbe3ee;
    --border-strong: #cbd5e1;
    --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-card: 0 12px 30px rgba(15, 23, 42, 0.08);
    --radius: 16px;
    --radius-sm: 12px;
    --radius-xs: 10px;
    --container: 1180px;
    --space-1: 8px;
    --space-2: 12px;
    --space-3: 16px;
    --space-4: 20px;
    --space-5: 28px;
    --space-6: 40px;
    --space-7: 56px;
    --space-8: 72px;
    --transition: 0.22s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Be Vietnam Pro", "Work Sans", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition), opacity var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

a:hover {
    opacity: 0.96;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

input,
textarea,
select,
button {
    font: inherit;
}

button {
    border: 0;
    background: none;
}

.container {
    width: min(var(--container), calc(100% - 32px));
    margin-inline: auto;
}

.section-space {
    padding: var(--space-8) 0;
}

.section-soft {
    background: var(--surface-soft);
    border-block: 1px solid var(--border);
}

.content-narrow {
    max-width: 820px;
}

.grid {
    display: grid;
    gap: 24px;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mt-1 {
    margin-top: 8px;
}

.mt-2 {
    margin-top: 16px;
}

.mt-3 {
    margin-top: 24px;
}

.mb-2 {
    margin-bottom: 16px;
}

h1,
h2,
h3,
h4 {
    margin: 10px 0;
    font-family: "Be Vietnam Pro", system-ui, sans-serif;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text);
}

h1 {
    font-size: clamp(36px, 6vw, 48px);
}

h2 {
    font-size: clamp(24px, 3vw, 32px);
}

h3 {
    font-size: clamp(20px, 2vw, 24px);
}

h4 {
    font-size: 18px;
}

p {
    margin: 0 0 16px;
    color: var(--muted);
}

ul {
    margin: 0;
    padding-left: 18px;
}

.eyebrow,
.chip,
.badge,
.ebook-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 32px;
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.text-link,
.auth-form-footer a,
.auth-form-box .lost-password a,
.auth-card .lost-password a,
.wp-block-loginout-form .lost-password a,
form#loginform .lost-password a,
form[name="loginform"] .lost-password a,
form.loginform .lost-password a,
.custom-login-form .lost-password a,
.account-login-form .lost-password a,
.auth-form-box .login-links a,
.auth-card .login-links a,
.wp-block-loginout-form .login-links a,
.custom-login-form .login-links a,
.account-login-form .login-links a,
.contact-help-link {
    color: var(--accent);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.text-light {
    color: #fff;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
    gap: 20px;
}

.site-logo {
    display: flex;
    flex-direction: column;
    font-weight: 900;
    line-height: 1;
    flex-shrink: 0;
}

.custom-logo-link img,
.site-logo img {
    max-width: 250px;
    width: auto;
    height: auto;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 18px;
    min-width: 0;
    margin-left: auto;
}

.menu {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
    min-width: max-content;
}

.menu > li {
    position: relative;
    flex: 0 0 auto;
}

.menu > li > a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 10px 14px;
    border-radius: 12px;
    color: var(--text);
    font-weight: 600;
}

.menu > li:hover > a,
.menu > li:focus-within > a,
.menu > li.current-menu-item > a,
.menu > li.current_page_item > a {
    background: var(--surface-muted);
    color: var(--accent);
}

.menu-item-has-children > a {
    padding-right: 34px;
    position: relative;
}

.menu-item-has-children > a::after {
    content: "";
    position: absolute;
    right: 12px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: translateY(-60%) rotate(45deg);
    transition: transform var(--transition);
}

.menu-item-has-children:hover > a::after,
.menu-item-has-children:focus-within > a::after {
    transform: translateY(-30%) rotate(225deg);
}

.sub-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 240px;
    list-style: none;
    margin: 0;
    padding: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    z-index: 99;
}

.menu .sub-menu li {
    width: 100%;
}

.menu .sub-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--text);
    font-weight: 500;
    white-space: nowrap;
}

.menu .sub-menu a:hover,
.menu .sub-menu a:focus {
    background: var(--surface-muted);
    color: var(--accent);
}

.menu > li.menu-item-has-children:hover > .sub-menu,
.menu > li.menu-item-has-children:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.site-nav__cta,
.site-nav__auth {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    border-radius: 999px;
    background: var(--text);
    transition: transform var(--transition), opacity var(--transition);
}

.btn,
.contact-form-box button,
.contact-form-box input[type="submit"],
.contact-form-box .wpcf7-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 20px;
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    box-shadow: none;
    transition: background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.btn:hover,
.contact-form-box button:hover,
.contact-form-box input[type="submit"]:hover,
.contact-form-box .wpcf7-submit:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: none;
    box-shadow: none;
}

.btn-sm {
    min-height: 36px;
    padding-inline: 16px;
    font-size: 14px;
}

.btn-outline {
    background: var(--surface);
    color: var(--text);
}

.btn-outline:hover {
    background: var(--surface-muted);
    color: var(--accent);
    border-color: var(--border-strong);
}

.btn-download {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 12px 0 40px;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    background-color: #15803d;
    background-image: url(https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSgC5mLLIhweU-T5KWU5bLnkv_q4QOpxQF6PQ&s);
    background-size: 20px;
    background-repeat: no-repeat;
    background-position: 10px center;
    color: #fff;
    font-weight: 700;
}

.card-box,
.entry-content,
.hero-panel,
.related-card,
.contact-form-box,
.contact-info-card,
.contact-help-box,
.ebook-cta-card,
.ebook-description-card,
.ebook-reader-status-card,
.ebook-info-card,
.ebook-warning-card,
.ebook-reader-block,
.notice-box,
.notice-inline,
.empty-box,
.curriculum-item,
.auth-form-box,
.auth-card,
.wp-block-loginout-form,
form#loginform,
form[name="loginform"],
form.loginform,
.custom-login-form,
.account-login-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.card-content,
.entry-content {
    padding: 16px;
}

.hero,
.page-hero,
.ebook-hero,
.ebook-content-section {
    padding: 48px 0;
}

.hero,
.page-hero {
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border-bottom: 1px solid var(--border);
    box-shadow: none;
}

.hero-grid,
.course-hero-grid,
.ebook-hero-grid,
.ebook-content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) 340px;
    gap: 32px;
    align-items: center;
}

.ebook-hero-grid,
.ebook-content-grid {
    grid-template-columns: minmax(0, 1fr) 380px;
}

.hero-text {
    font-size: 18px;
}

.hero-actions,
.button-group,
.stat-row,
.chip-row,
.instructor-box__actions,
.ebook-meta-inline,
.ebook-reader-toolbar-actions,
.ebook-search {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-actions,
.stat-row {
    margin-top: 20px;
}

.stat-row--stack {
    display: grid;
    gap: 14px;
}

.stat-box {
    min-width: 140px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    box-shadow: none;
}

.stat-box strong,
.my-courses-stat,
.my-profile-stat,
.my-certificates-stat,
.quiz-history-stat {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
}

.stat-box span {
    font-size: 14px;
    color: var(--muted);
}

.section-head {
    margin-bottom: 28px;
}

.split-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
}

.card-thumb,
.featured-media,
.lesson-video-embed {
    overflow: hidden;
    background: var(--surface-soft);
}

.card-thumb,
.featured-media {
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
}

.card-thumb {
    margin-bottom: 16px;
}

.card-thumb img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.thumb-placeholder,
.related-card-placeholder {
    display: grid;
    place-items: center;
    min-height: 240px;
    background: var(--surface-muted);
    color: var(--muted);
    font-weight: 700;
}

.card-meta-row,
.card-footer-row,
.entry-meta,
.course-meta-inline,
.related-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    align-items: center;
    font-size: 14px;
    color: var(--muted);
}

.card-meta-row,
.entry-meta,
.course-meta-inline,
.related-card-meta {
    margin-bottom: 14px;
}

.card-footer-row {
    margin-top: 18px;
    justify-content: space-between;
}

.post-card h3,
.course-card h3 {
    font-size: 24px;
}

.archive-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 28px;
    align-items: start;
}

.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) 320px;
    gap: 28px;
    align-items: start;
}

.detail-layout--course,
.course-layout {
    grid-template-columns: minmax(0, 1.55fr) 340px;
}

.detail-main,
.contact-left,
.contact-right {
    min-width: 0;
}

.detail-sidebar {
    display: grid;
    gap: 18px;
    position: sticky;
    top: 108px;
}

.archive-sidebar {
    display: grid;
    gap: 18px;
}

.sidebar-link-list,
.tag-list,
.feature-list,
.footer-menu,
.contact-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-link-list li + li {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.sidebar-link-list li.is-current a {
    font-weight: 700;
    color: var(--accent);
}

.feature-list li,
.tag-list li,
.footer-menu li {
    margin-bottom: 12px;
}

.feature-list li {
    position: relative;
    padding-left: 18px;
}

.feature-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-weight: 900;
}

.search-form {
    display: flex;
    gap: 10px;
}

.search-field,
textarea,
input[type="text"],
input[type="email"],
input[type="search"],
input[type="password"],
input[type="url"],
select {
    width: 100%;
    min-height: 46px;
    padding: 12px 14px;
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

textarea {
    min-height: 160px;
    resize: vertical;
}

textarea:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="search"]:focus,
input[type="password"]:focus,
input[type="url"]:focus,
select:focus {
    outline: none;
    border-color: rgba(37, 99, 235, 0.45);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.breadcrumb {
    padding: 14px 0;
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 14px;
}

.breadcrumb-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--muted);
}

.breadcrumb-item a {
    color: var(--text);
}

.breadcrumb-item a:hover {
    color: var(--accent);
}

.breadcrumb-item.is-current span {
    font-weight: 700;
    color: var(--text);
}

.breadcrumb-sep {
    opacity: 0.55;
}

.related-section {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.section-heading {
    margin-bottom: 18px;
}

.section-heading h2 {
    margin: 0;
    font-size: 24px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.related-card {
    overflow: hidden;
}

.related-card-thumb {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--surface-soft);
}

.related-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.related-card-title,
.related-card-instructor,
.my-course-card__title,
.my-profile-active-course__title,
.my-certificate-card__title,
.quiz-history-card__title {
    margin-bottom: 12px;
}

.related-card-title {
    margin-top: 0;
    font-size: 18px;
    line-height: 1.35;
}

.related-card-title a,
.my-course-card__title a,
.my-profile-active-course__title a,
.my-certificate-card__title a,
.quiz-history-card__title a {
    color: var(--text);
}

.related-card-title a:hover,
.my-course-card__title a:hover,
.my-profile-active-course__title a:hover,
.my-certificate-card__title a:hover,
.quiz-history-card__title a:hover {
    color: var(--accent);
}

.related-card-excerpt {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
    font-size: 14px;
}

.related-card-instructor {
    margin-top: 0;
    font-weight: 600;
    color: var(--text);
    font-size: 14px;
}

.related-price,
.price-big {
    font-weight: 700;
    color: var(--accent);
}

.price-big {
    font-size: 30px;
}

.lesson-video-embed {
    position: relative;
    width: 100%;
    border-top-left-radius: 14px;
    border-top-right-radius: 14px;
    background: #111827;
    aspect-ratio: 16 / 9;
}

.lesson-video-embed iframe,
.lesson-video-embed video,
.lesson-video-embed embed,
.lesson-video-embed object {
    width: 100%;
    height: 100%;
    display: block;
    border: 0;
}

.lesson-locked-box .card-content h2 {
    margin-bottom: 10px;
}

.lesson-locked-box .card-content p {
    margin-bottom: 18px;
}

.lesson-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.lesson-nav-link {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    color: var(--text);
}

.lesson-nav-link:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-soft);
}

.lesson-nav-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.notice-box,
.notice-inline,
.empty-box {
    padding: 18px;
}

.notice-inline {
    margin-top: 18px;
}

.notice-inline.is-success {
    border-color: rgba(22, 163, 74, 0.25);
    background: #f0fdf4;
    color: #166534;
    font-weight: 600;
}

.quiz-form {
    display: grid;
    gap: 18px;
}

.quiz-question h3 {
    margin: 0 0 14px;
    line-height: 1.45;
}

.quiz-question .option-list {
    display: grid;
    gap: 12px;
    padding-left: 0;
    list-style: none;
}

.quiz-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    cursor: pointer;
    transition: border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
}

.quiz-option:hover {
    background: var(--surface-soft);
    border-color: var(--border-strong);
}

.quiz-option input {
    margin-top: 3px;
}

.quiz-option span {
    flex: 1;
    line-height: 1.5;
}

.quiz-result-summary p {
    margin: 0 0 10px;
}

.quiz-pass {
    color: #15803d;
    font-weight: 800;
}

.quiz-fail {
    color: #dc2626;
    font-weight: 800;
}

.my-courses-summary-grid,
.quiz-history-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.my-courses-grid,
.my-certificates-grid,
.quiz-history-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.my-courses-grid .featured-media img,
.my-certificate-card .featured-media img {
    width: 100%;
    height: auto;
    display: block;
}

.my-course-card.is-completed {
    border-color: rgba(22, 163, 74, 0.35);
}

.my-profile-top-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
}

.my-profile-stats-grid,
.my-profile-quick-links-grid,
.my-certificates-summary-grid,
.quiz-history-result-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.quiz-history-result-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.my-profile-card__head,
.account-settings-avatar-block {
    display: flex;
    align-items: center;
    gap: 16px;
}

.my-profile-avatar img,
.account-settings-avatar img,
.instructor-box__avatar img {
    display: block;
    border-radius: 999px;
}

.my-profile-name,
.account-settings-name {
    margin: 0 0 8px;
}

.my-profile-meta,
.account-settings-meta {
    margin: 4px 0;
    color: var(--muted);
}

.quiz-history-result-box {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    background: var(--surface);
}

.quiz-history-result-label {
    display: block;
    font-size: 12px;
    margin-bottom: 6px;
    color: var(--muted);
}

.account-settings-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr;
    gap: 24px;
}

.account-settings-fields {
    display: grid;
    gap: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    color: var(--text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
}

.account-settings-sidebar .card-box + .card-box {
    margin-top: 16px;
}

.contact-page-main {
    padding: 24px 0 72px;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.95fr);
    gap: 32px;
    align-items: start;
}

.contact-page-title {
    margin: 0 0 28px;
    font-size: clamp(42px, 6vw, 86px);
    line-height: 0.95;
    font-weight: 800;
    letter-spacing: -0.04em;
    text-transform: none;
    color: var(--text);
}

.contact-form-box {
    padding: 20px;
    background: var(--surface);
}

.contact-form-box form {
    display: grid;
    gap: 18px;
}

.contact-form-box .form-row-2,
.contact-form-box .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.contact-form-box label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 700;
    text-transform: none;
    color: var(--text);
}

.contact-form-box input,
.contact-form-box textarea,
.contact-form-box select {
    width: 100%;
    border: 1px solid var(--border-strong);
    background: var(--surface);
    padding: 14px;
    color: var(--text);
    border-radius: 12px;
    box-shadow: none;
}

.contact-form-box textarea {
    min-height: 150px;
}

.contact-info-list,
.contact-right {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-card {
    gap: 14px;
    align-items: flex-start;
    padding: 16px;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 18px;
    font-weight: 800;
}

.contact-info-content h3 {
    margin: 0 0 6px;
    font-size: 16px;
    line-height: 1.2;
    font-weight: 700;
    text-transform: none;
    color: var(--text);
}

.contact-info-content p,
.contact-help-box p {
    margin: 0;
    line-height: 1.6;
    color: var(--muted);
    font-weight: 500;
}

.contact-help-box {
    padding: 22px;
    background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
}

.contact-help-box h2 {
    margin: 0 0 10px;
    font-size: 24px;
    line-height: 1.2;
    font-weight: 800;
    text-transform: none;
    color: var(--text);
}

.contact-help-box p {
    margin: 0 0 14px;
}

.contact-image-box {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #111827;
    min-height: 280px;
    box-shadow: var(--shadow-soft);
}

.contact-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: none;
}

.contact-image-badge {
    position: absolute;
    left: 14px;
    bottom: 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.92);
    font-size: 12px;
    font-weight: 700;
}

.curriculum-list {
    display: grid;
    gap: 14px;
}

.curriculum-item {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 14px;
    padding: 16px;
}

.curriculum-index {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-weight: 700;
    background: var(--accent-soft);
    color: var(--accent);
}

.progress {
    width: 100%;
    height: 12px;
    border-radius: 999px;
    background: #e2e8f0;
    overflow: hidden;
    margin: 12px 0;
}

.progress span {
    display: block;
    height: 100%;
    background: var(--accent);
}

.instructor-box {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 18px;
    align-items: center;
}

.quote-box p {
    font-size: 17px;
    color: var(--text);
}

.quote-box strong,
.quote-box span {
    display: block;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr 0.9fr;
    gap: 24px;
    padding: 36px 0;
}

.footer-brand {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
}

.footer-copy {
    max-width: 420px;
}

.footer-bottom {
    padding: 18px 0 32px;
    border-top: 1px solid var(--border);
}

.pagination-wrap {
    margin-top: 28px;
}

.blog-pagination {
    padding: 10px 0;
    margin-top: 15px;
    text-align: center;
}

.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    margin-right: 8px;
    padding: 4px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: none;
}

.page-numbers.current,
.page-numbers:hover {
    background: var(--accent-soft);
    border-color: rgba(37, 99, 235, 0.25);
    color: var(--accent);
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.site-footer {
    margin-top: 56px;
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.card-pending {
    background-color: #1e293b;
}

.card-awaiting_confirmation {
    background-color: #166534;
}

.card-paid,
.card-green {
    background-color: #15803d;
    color: #fff;
}

.card-cancelled,
.card-red {
    background-color: #dc2626;
    color: #fff;
}

.card-expired {
    background-color: #64748b;
}

.card-blue {
    background-color: #2563eb;
    color: #fff;
}

.card-orange {
    background-color: #ea580c;
    color: #fff;
}

.card-yellow {
    background-color: #facc15;
    color: #111827;
}

.card-orange,
.card-yellow,
.card-blue,
.card-green,
.card-red,
.card-pending,
.card-awaiting_confirmation,
.card-paid,
.card-cancelled,
.card-expired {
    border-radius: 12px;
}

.auth-form-wrap {
    padding: 32px 0;
}

:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    padding: 24px;
}

:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) h2 {
    margin: 0 0 10px;
}

.auth-form-subtitle {
    margin-bottom: 18px;
    color: var(--muted);
    font-size: 15px;
}

:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) p {
    margin-bottom: 14px;
}

:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) label {
    display: block;
    margin-bottom: 8px;
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) input[type="text"],
:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) input[type="email"],
:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
}

.auth-form-box input::placeholder,
.auth-card input::placeholder,
.custom-login-form input::placeholder,
.account-login-form input::placeholder {
    color: #8a94a6;
}

:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) input:focus {
    outline: none;
    border-color: rgba(37, 99, 235, 0.45);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    background: #fff;
}

.auth-form-box .login-remember,
.auth-card .login-remember,
.wp-block-loginout-form .login-remember,
form#loginform .login-remember,
form[name="loginform"] .login-remember,
form.loginform .login-remember,
.custom-login-form .login-remember,
.account-login-form .login-remember,
.auth-form-row--inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin: 10px 0 4px;
}

.auth-form-box .login-remember label,
.auth-card .login-remember label,
.wp-block-loginout-form .login-remember label,
form#loginform .login-remember label,
form[name="loginform"] .login-remember label,
form.loginform .login-remember label,
.custom-login-form .login-remember label,
.account-login-form .login-remember label {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
}

:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-height: auto;
    margin: 0 8px 0 0;
    accent-color: var(--accent);
}

:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) :is(input[type="submit"],
    button[type="submit"],
    button:not([type]),
    .button:not(button[type="button"])) {
    width: 100%;
    min-height: 50px;
    margin-top: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--accent);
    border-radius: 12px;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    box-shadow: none;
    cursor: pointer;
}

:is(.auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form) :is(input[type="submit"],
    button[type="submit"],
    button:not([type]),
    .button:not(button[type="button"])):hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: none;
}

.auth-form-box .lost-password,
.auth-card .lost-password,
.wp-block-loginout-form .lost-password,
form#loginform .lost-password,
form[name="loginform"] .lost-password,
form.loginform .lost-password,
.custom-login-form .lost-password,
.account-login-form .lost-password,
.auth-form-box .login-links,
.auth-card .login-links,
.wp-block-loginout-form .login-links,
.custom-login-form .login-links,
.account-login-form .login-links {
    margin-top: 14px;
    font-size: 14px;
    color: var(--muted);
}

.auth-form-box .notice,
.auth-form-box .error,
.auth-form-box .message,
.auth-card .notice,
.auth-card .error,
.auth-card .message,
.wp-block-loginout-form .notice,
.wp-block-loginout-form .error,
.wp-block-loginout-form .message,
.custom-login-form .notice,
.custom-login-form .error,
.custom-login-form .message,
.account-login-form .notice,
.account-login-form .error,
.account-login-form .message {
    margin-bottom: 16px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-weight: 500;
    box-shadow: none;
}

.auth-form-box .notice,
.auth-card .notice,
.wp-block-loginout-form .notice,
.wp-block-loginout-form .message,
.custom-login-form .notice,
.account-login-form .notice {
    background: #eff6ff;
}

.auth-form-box .error,
.auth-card .error,
.custom-login-form .error,
.account-login-form .error {
    background: #fef2f2;
}

.auth-form-box .message,
.auth-card .message,
.custom-login-form .message,
.account-login-form .message {
    background: #f0fdf4;
}

.auth-separator {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 18px 0;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

.auth-separator::before,
.auth-separator::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-form-footer {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 14px;
    color: var(--muted);
}

#login {
    width: 400px !important;
}

body.login.brand-login-page .wp-login-logo a {
    width: 220px;
    height: 78px;
    margin: 0 auto;
    background-image: url('../images/logo.jpg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.custom-login-intro {
    margin-bottom: 18px;
    text-align: center;
    color: #000;
    background-color: transparent !important;
}

.custom-login-intro h2 {
    margin: 0 0 8px;
    font-size: 28px;
    line-height: 1.2;
    font-weight: 700;
    color: #1e293b;
}

.custom-login-intro p {
    margin: 0;
    font-size: 14px;
    color: #475569;
}

body.login.brand-login-page label {
    color: #334155;
    font-size: 14px;
    font-weight: 600;
}

body.login.brand-login-page input[type="text"],
body.login.brand-login-page input[type="password"],
body.login.brand-login-page input[type="email"] {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    box-shadow: none;
    transition: all var(--transition);
}

body.login.brand-login-page input[type="text"]:focus,
body.login.brand-login-page input[type="password"]:focus,
body.login.brand-login-page input[type="email"]:focus {
    border-color: rgba(37, 99, 235, 0.45);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

body.login.brand-login-page .forgetmenot label {
    font-weight: 500;
    color: #475569;
}

body.login.brand-login-page p.forgetmenot {
    display: inline-flex;
}

body.login.brand-login-page .wp-core-ui .button-primary {
    min-height: 46px;
    padding: 0 18px;
    border: 1px solid var(--accent);
    border-radius: 12px;
    background: var(--accent);
    box-shadow: none;
    text-shadow: none;
    font-weight: 700;
}

body.login.brand-login-page .wp-core-ui .button-primary:hover,
body.login.brand-login-page .wp-core-ui .button-primary:focus {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

body.login.brand-login-page #login_error,
body.login.brand-login-page .message,
body.login.brand-login-page .notice {
    border-radius: 14px;
    border-left-width: 4px;
    box-shadow: var(--shadow-soft);
}

body.login.brand-login-page #nav,
body.login.brand-login-page #backtoblog {
    text-align: center;
}

body.login.brand-login-page #nav a,
body.login.brand-login-page #backtoblog a {
    color: #0f172a !important;
    font-weight: 500;
}

body.login.brand-login-page #nav a:hover,
body.login.brand-login-page #backtoblog a:hover {
    color: var(--accent) !important;
}

body.login.brand-login-page .nsl-container {
    margin-top: 18px;
    clear: both;
}

body.login.brand-login-page .nsl-container .nsl-button {
    overflow: hidden;
    border-radius: 12px !important;
    box-shadow: none !important;
}

body.login.brand-login-page .nsl-container-buttons a {
    margin-bottom: 10px !important;
}

body.login.brand-login-page .nsl-container .nsl-button-default {
    border: 1px solid var(--border) !important;
    background: #ffffff !important;
}

body.login.brand-login-page .nsl-container .nsl-button-default .nsl-button-label-container {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: #1e293b !important;
}

body.login.brand-login-page .nsl-container::before {
    content: "Hoặc tiếp tục với";
    display: block;
    margin-bottom: 12px;
    text-align: center;
    color: #64748b;
    font-size: 13px;
    font-weight: 600;
}

.custom-login-footer-text {
    margin-top: 14px;
    text-align: center;
    color: #000;
    font-size: 12px;
}

div.nsl-container.nsl-container-block .nsl-container-buttons {
    width: 100%;
    justify-content: center;
    text-align: center;
}

.ebook-title {
    margin-bottom: 16px;
    font-size: 56px;
    line-height: 1.05;
}

.ebook-cta-card,
.ebook-description-card,
.ebook-reader-status-card,
.ebook-info-card,
.ebook-warning-card,
.ebook-reader-block {
    padding: 24px;
}

.ebook-reader-block {
    position: relative;
    margin-top: 24px;
    overflow: hidden;
}

.ebook-reader-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.ebook-pdf-viewer {
    position: relative;
    min-height: 600px;
    user-select: none;
}

.pdf-page-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.pdf-page-wrap canvas {
    display: block;
    max-width: 100%;
    height: auto !important;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
}

.ebook-watermark,
.ebook-watermark::before {
    display: block;
}

.ebook-watermark {
    position: absolute;
    inset: 0;
    top: 50%;
    left: 50%;
    z-index: 5;
    color: rgba(15, 23, 42, 0.12);
    font-size: 42px;
    font-weight: 700;
    white-space: nowrap;
    pointer-events: none;
    transform: translate(-50%) rotate(-28deg);
}

.pdf-skeleton {
    height: 500px;
    border-radius: 12px;
    background: linear-gradient(90deg, #e2e8f0 25%, #f8fafc 37%, #e2e8f0 63%);
    background-size: 400% 100%;
    animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
    0% {
        background-position: 100% 0;
    }

    100% {
        background-position: -100% 0;
    }
}

@media (max-width: 991px) {
    .grid-4,
    .grid-3,
    .grid-2,
    .archive-layout,
    .course-layout,
    .hero-grid,
    .course-hero-grid,
    .ebook-hero-grid,
    .ebook-content-grid,
    .detail-layout,
    .detail-layout--course,
    .footer-grid,
    .contact-layout,
    .my-profile-top-grid,
    .my-profile-stats-grid,
    .my-profile-quick-links-grid,
    .my-certificates-summary-grid,
    .my-certificates-grid,
    .quiz-history-summary-grid,
    .quiz-history-grid,
    .quiz-history-result-grid,
    .my-courses-summary-grid,
    .my-courses-grid,
    .account-settings-grid,
    .instructor-box,
    .contact-form-box .form-row-2,
    .contact-form-box .two-col {
        grid-template-columns: 1fr;
    }

    .site-header__inner {
        min-height: 72px;
    }

    .menu-toggle {
        display: inline-block;
    }

    .site-nav {
        position: absolute;
        left: 16px;
        right: 16px;
        top: calc(100% + 8px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        border: 1px solid var(--border);
        border-radius: 16px;
        background: var(--surface);
        box-shadow: var(--shadow-card);
    }

    .site-nav.is-open {
        display: flex;
    }

    .menu {
        flex-direction: column;
        align-items: stretch;
        min-width: 0;
        white-space: normal;
    }

    .menu > li,
    .menu > li > a {
        width: 100%;
    }

    .menu > li > a {
        justify-content: flex-start;
    }

    .sub-menu {
        position: static;
        min-width: 100%;
        margin-top: 8px;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
        display: none;
        box-shadow: none;
        border-color: var(--border);
    }

    .menu > li.menu-item-has-children:hover > .sub-menu,
    .menu > li.menu-item-has-children:focus-within > .sub-menu {
        display: block;
    }

    .site-nav__cta,
    .site-nav__auth {
        width: 100%;
        flex-wrap: wrap;
    }

    .site-nav__cta .btn,
    .site-nav__auth .btn {
        width: 100%;
        justify-content: center;
    }

    .detail-sidebar {
        position: static;
    }

    .split-head {
        flex-direction: column;
        align-items: start;
    }

    .my-profile-card__head,
    .account-settings-avatar-block {
        align-items: flex-start;
    }
}

@media (max-width: 767px) {
    .lesson-nav {
        grid-template-columns: 1fr;
    }

    .auth-form-box,
    .auth-card,
    .wp-block-loginout-form,
    form#loginform,
    form[name="loginform"],
    form.loginform,
    .custom-login-form,
    .account-login-form {
        padding: 18px;
        border-radius: 14px;
    }

    .auth-form-box .login-remember,
    .auth-card .login-remember,
    .wp-block-loginout-form .login-remember,
    form#loginform .login-remember,
    form[name="loginform"] .login-remember,
    form.loginform .login-remember,
    .custom-login-form .login-remember,
    .account-login-form .login-remember,
    .auth-form-row--inline {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 575px) {
    .site-logo img {
        max-height: 42px;
        width: auto;
    }

    .menu > li > a {
        min-height: 40px;
        padding: 8px 10px;
        font-size: 14px;
    }

    .btn,
    .site-nav__cta .btn {
        width: 100%;
    }

    #login {
        width: 100% !important;
    }

    .ebook-title,
    .contact-page-title {
        font-size: 38px;
    }
}