/*
 * =========================================================
 *              WEBSITE DEVELOPMENT CREDITS
 * =========================================================
 *
 * Co-Developer
 * AFM_1337_ — Md Arafat Hossen Mugdho
 * GitHub  : https://github.com/AFM-1337
 * Website : https://afm1337.shop
 * WhatsApp: https://wa.me/+8801310329198
 * Telegram: https://t.me/afm1337
 *
 * Co-Developer
 * DARK LMNx9 — Limon Hossain
 * GitHub  : https://github.com/LMNx9-JOHNY
 * Website : https://dark.lmnx9.workers.dev
 * WhatsApp: https://wa.me/+8801882168975
 * Telegram: https://t.me/x_LMNx9
 *
 * ---------------------------------------------------------
 *          Designed & Developed Together
 * =========================================================
 */

/* ============================================================
   BeBrainer SSC - Shared Sub-page Styles
   ============================================================ */

/* Page hero band */
.bb-page-hero {
    position: relative;
    padding: clamp(40px, 6vw, 64px) 0;
    background: linear-gradient(150deg, #EAF0FF 0%, #F6F1FF 60%, #E9F6FD 100%);
    overflow: hidden;
}
.bb-page-hero .bb-shape { opacity: 0.4; }
.bb-page-hero h1 {
    font-size: clamp(26px, 4.5vw, 40px);
    font-weight: 800;
    position: relative;
    z-index: 1;
}
.bb-page-hero .bb-page-subtitle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--bb-primary);
    font-weight: 600;
    margin-top: 10px;
    font-size: 15px;
    position: relative;
    z-index: 1;
}
.bb-page-hero .bb-page-subtitle img, .bb-page-hero .bb-page-subtitle svg {
    width: 18px;
    height: 18px;
}
.bb-page-hero .bb-page-desc {
    color: var(--bb-text-2);
    margin-top: 14px;
    max-width: 720px;
    font-size: 15px;
    position: relative;
    z-index: 1;
}

.bb-page-body {
    padding: clamp(32px, 5vw, 56px) 0;
}

/* Filter chips / button groups */
.bb-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}
.bb-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 20px;
    border-radius: var(--bb-radius-pill);
    background: var(--bb-surface);
    border: 2px solid var(--bb-border);
    color: var(--bb-text-2);
    font-weight: 700;
    font-size: 13.5px;
    transition: all var(--bb-transition);
}
.bb-filter-btn:hover { border-color: var(--bb-primary); color: var(--bb-primary); transform: translateY(-2px); }
.bb-filter-btn.active {
    background: var(--bb-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: var(--bb-shadow-primary);
}
.bb-filter-btn img, .bb-filter-btn svg { width: 15px; height: 15px; }

/* Category badge */
.bb-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--bb-radius-pill);
    background: linear-gradient(135deg, rgba(86,128,233,0.12), rgba(136,96,208,0.12));
    color: var(--bb-primary-dark);
    font-weight: 700;
    font-size: 13.5px;
    margin-bottom: 20px;
}
.bb-category-badge img, .bb-category-badge svg { width: 16px; height: 16px; }

/* Back button */
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--bb-radius);
    background: var(--bb-surface);
    border: 1px solid var(--bb-border);
    color: var(--bb-text-2);
    font-weight: 600;
    font-size: 13.5px;
    margin-bottom: 22px;
    transition: all var(--bb-transition);
}
.btn-back:hover { border-color: var(--bb-primary); color: var(--bb-primary); transform: translateX(-4px); }
.btn-back img { width: 14px; height: 14px; }

/* Search box (page level) */
.bb-search-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--bb-radius-lg);
    background: var(--bb-surface);
    border: 2px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    transition: all var(--bb-transition);
    max-width: 560px;
    margin-bottom: 24px;
}
.bb-search-box:focus-within {
    border-color: var(--bb-primary);
    box-shadow: 0 0 0 4px rgba(86,128,233,0.15);
}
.bb-search-box img { width: 18px; height: 18px; opacity: 0.5; }
.bb-search-box input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    color: var(--bb-text);
    background: transparent;
}
.bb-search-box input::placeholder { color: var(--bb-text-3); }

/* Loading overlay for AJAX containers */
.bb-ajax-loading {
    position: relative;
    min-height: 200px;
}
.bb-ajax-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(2px);
    z-index: 5;
    border-radius: var(--bb-radius-lg);
}
.bb-ajax-loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 38px;
    height: 38px;
    margin: -19px 0 0 -19px;
    border-radius: 50%;
    border: 4px solid rgba(86,128,233,0.2);
    border-top-color: var(--bb-primary);
    animation: bb-spin 0.8s linear infinite;
    z-index: 6;
}

/* Count badge */
.bb-count-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--bb-radius-pill);
    background: var(--bb-surface);
    border: 1px solid var(--bb-border);
    color: var(--bb-text-2);
    font-size: 13.5px;
    font-weight: 600;
    box-shadow: var(--bb-shadow-sm);
}
.bb-count-badge img { width: 15px; height: 15px; }

/* Accordion (page reuse) */
.bb-accordion { max-width: 860px; margin: 0 auto; }

/* ============ Paid course details ============ */
.bb-course-details {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-xl);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow);
    overflow: hidden;
    max-width: 860px;
    margin: 0 auto;
}
.bb-course-details__image {
    aspect-ratio: 16 / 8;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bb-light), #E9EDF8);
}
.bb-course-details__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.bb-course-details__body { padding: clamp(20px, 4vw, 34px); }
.details-title { font-size: clamp(20px, 3.5vw, 26px); font-weight: 800; margin-bottom: 8px; }
.details-instructor {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--bb-text-2);
    font-size: 14px;
    margin-bottom: 14px;
}
.details-instructor img { width: 16px; height: 16px; }
.details-price {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.price-current { font-size: 28px; font-weight: 800; color: var(--bb-primary); }
.price-old { font-size: 17px; color: var(--bb-text-3); text-decoration: line-through; }
.details-desc { color: var(--bb-text-2); font-size: 15px; margin-bottom: 18px; }
.bb-info-box {
    background: var(--bb-surface-2);
    border: 1px solid var(--bb-border);
    border-radius: var(--bb-radius);
    padding: 16px 18px;
    margin-bottom: 14px;
    display: grid;
    gap: 10px;
}
.bb-info-box > div {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--bb-text);
}
.bb-info-box img { width: 16px; height: 16px; color: var(--bb-primary); }
.bb-list {
    display: grid;
    gap: 8px;
    margin: 10px 0 18px;
}
.bb-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14.5px;
    color: var(--bb-text-2);
}
.bb-list img { width: 15px; height: 15px; margin-top: 4px; color: var(--bb-primary); }
.bb-sub-heading {
    font-size: 17px;
    font-weight: 800;
    margin: 22px 0 8px;
    color: var(--bb-text);
}

.btn-enroll {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px 24px;
    border-radius: var(--bb-radius);
    background: var(--bb-gradient);
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    box-shadow: var(--bb-shadow-primary);
    transition: all var(--bb-transition);
}
.btn-enroll:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 16px 38px rgba(86,128,233,0.45);
}
.btn-enroll img { width: 18px; height: 18px; }

.login-alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 18px;
    border-radius: var(--bb-radius);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--bb-text);
    font-size: 14px;
}
.login-alert img { width: 20px; height: 20px; color: var(--bb-warning); }
.login-alert a { font-weight: 700; }

/* ============ PDF page ============ */
.bb-category-card {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-xl);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    overflow: hidden;
    margin-bottom: 26px;
    transition: box-shadow var(--bb-transition);
}
.bb-category-card:hover { box-shadow: var(--bb-shadow-lg); }
.bb-category-head {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 22px;
    background: linear-gradient(135deg, rgba(86,128,233,0.06), rgba(136,96,208,0.06));
    cursor: pointer;
    transition: background var(--bb-transition);
    text-align: left;
}
.bb-category-head:hover { background: linear-gradient(135deg, rgba(86,128,233,0.12), rgba(136,96,208,0.12)); }
.bb-category-head__icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: var(--bb-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.bb-category-head__icon img { width: 22px; height: 22px; }
.bb-category-head__title { flex: 1; }
.bb-category-head__title h3 { font-size: 16px; font-weight: 700; }
.bb-category-head__title p { font-size: 12.5px; color: var(--bb-text-3); }
.bb-category-head__caret { transition: transform var(--bb-transition); color: var(--bb-primary); }
.bb-category-head__caret.rotated { transform: rotate(180deg); }

.bb-files-list { padding: 10px 22px 18px; display: none; }
.bb-files-list.show { display: block; animation: bb-fade-slide 0.3s ease; }
@keyframes bb-fade-slide {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.bb-subcategory-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 8px 8px;
    cursor: pointer;
    font-weight: 700;
    font-size: 14.5px;
    color: var(--bb-text);
}
.bb-subcategory-head span { color: var(--bb-text-3); font-size: 12.5px; font-weight: 600; }
.bb-subcategory-head img { transition: transform var(--bb-transition); margin-left: auto; }
.bb-subcategory-head img.rotated { transform: rotate(180deg); }

.bb-file-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 14px;
    border-radius: var(--bb-radius);
    transition: all var(--bb-transition);
}
.bb-file-item:hover { background: var(--bb-surface-2); }
.bb-file-item__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(86,128,233,0.12), rgba(136,96,208,0.12));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.bb-file-item__icon img { width: 22px; height: 22px; }
.bb-file-item__body { flex: 1; min-width: 0; }
.bb-file-item__name {
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bb-file-item__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--bb-text-3);
    align-items: center;
}
.bb-file-item__meta img { width: 12px; height: 12px; display: inline-block; vertical-align: -2px; }
.bb-download-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--bb-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--bb-shadow-primary);
    transition: all var(--bb-transition);
    flex-shrink: 0;
}
.bb-download-btn:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 12px 26px rgba(86,128,233,0.45); }
.bb-download-btn img { width: 18px; height: 18px; }

/* ============ Free course ============ */
.bb-channel-card {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-xl);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow);
    padding: clamp(20px, 4vw, 30px);
    display: flex;
    gap: 22px;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}
.bb-channel-card__icon {
    width: 84px;
    height: 84px;
    border-radius: 24px;
    background: linear-gradient(135deg, #FF3D3D, #B00000);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 14px 34px rgba(255, 61, 61, 0.35);
    flex-shrink: 0;
}
.bb-channel-card__icon img { width: 42px; height: 42px; }
.bb-channel-card__info { flex: 1; min-width: 240px; }
.bb-channel-card__info h2 { font-size: 22px; margin-bottom: 8px; }
.bb-channel-card__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 13.5px;
    color: var(--bb-text-2);
    margin-bottom: 8px;
}
.bb-channel-card__stats span { display: inline-flex; align-items: center; gap: 5px; }
.bb-channel-card__stats img { width: 14px; height: 14px; }
.bb-channel-card__info p { color: var(--bb-text-3); font-size: 13.5px; margin-bottom: 12px; }

.bb-playlist {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    margin-bottom: 20px;
    overflow: hidden;
}
.bb-playlist__head {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 22px;
    cursor: pointer;
    text-align: left;
    font-weight: 700;
    color: var(--bb-text);
    transition: background var(--bb-transition);
}
.bb-playlist__head:hover { background: var(--bb-surface-2); }
.bb-playlist__head img { width: 20px; height: 20px; }
.bb-playlist__count {
    font-size: 12px;
    color: var(--bb-primary);
    background: rgba(86,128,233,0.1);
    padding: 3px 10px;
    border-radius: var(--bb-radius-pill);
}
.bb-playlist__head .bb-playlist__caret { margin-left: auto; transition: transform var(--bb-transition); }
.bb-playlist__head.collapsed .bb-playlist__caret { transform: rotate(180deg); }
.bb-videos { max-height: 800px; overflow-y: auto; }
.bb-videos.collapsed { display: none; }
.bb-video-item {
    display: flex;
    gap: 14px;
    padding: 12px 22px;
    cursor: pointer;
    transition: background var(--bb-transition);
    border-top: 1px solid var(--bb-border);
}
.bb-video-item:hover { background: var(--bb-surface-2); }
.bb-video-item__thumb {
    width: 120px;
    flex-shrink: 0;
    border-radius: var(--bb-radius);
    overflow: hidden;
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
}
.bb-video-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.bb-video-item__thumb .bb-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 42, 74, 0.35);
    opacity: 0;
    transition: opacity var(--bb-transition);
}
.bb-video-item:hover .bb-play-overlay { opacity: 1; }
.bb-video-item__thumb .bb-play-overlay img { width: 38px; height: 38px; }
.bb-video-item__info { flex: 1; min-width: 0; }
.bb-video-item__title { font-weight: 700; font-size: 14px; line-height: 1.45; }
.bb-video-item__meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--bb-text-3); margin-top: 6px; }
.bb-video-item__meta span { display: inline-flex; align-items: center; gap: 5px; }
.bb-video-item__meta img { width: 12px; height: 12px; }

/* ============ Success page ============ */
.bb-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 18px;
    margin-bottom: 34px;
}
.bb-leaderboard {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}
.bb-student-card {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    overflow: hidden;
    transition: all var(--bb-transition);
}
.bb-student-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--bb-shadow-lg);
}
.bb-student-card__top {
    padding: 18px;
    background: linear-gradient(135deg, #EAF0FF, #F3EDFF);
    display: flex;
    align-items: center;
    justify-content: center;
}
.bb-student-card__avatar {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #fff;
    box-shadow: var(--bb-shadow);
}
.bb-student-card__body { padding: 16px 18px; }
.bb-student-card__name { font-weight: 800; font-size: 15.5px; text-align: center; margin-bottom: 10px; }
.bb-student-card__details { display: grid; gap: 6px; }
.bb-student-card__details p { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: var(--bb-text-2); }
.bb-student-card__details p strong { color: var(--bb-text); font-weight: 600; }
.bb-student-card__details p span { font-weight: 700; color: var(--bb-primary); }

/* ============ Enroll page ============ */
.bb-course-summary {
    display: flex;
    gap: 20px;
    align-items: center;
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    padding: 18px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.bb-course-summary__img {
    width: 120px;
    aspect-ratio: 16 / 10;
    border-radius: var(--bb-radius);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bb-bg-alt);
}
.bb-course-summary__img img { width: 100%; height: 100%; object-fit: cover; }
.bb-course-summary__info { flex: 1; min-width: 200px; }
.bb-course-summary__info h3 { font-size: 18px; margin-bottom: 6px; }
.bb-course-summary__info p { display: inline-flex; align-items: center; gap: 6px; color: var(--bb-text-2); font-size: 13.5px; margin-bottom: 6px; }
.bb-course-summary__info p img { width: 14px; height: 14px; }
.bb-price-tag { font-weight: 800; font-size: 22px; color: var(--bb-primary); }

.bb-user-box {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    padding: 20px;
    margin-bottom: 24px;
}
.bb-user-box h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    margin-bottom: 14px;
    color: var(--bb-primary-dark);
}
.bb-user-box h4 img { width: 18px; height: 18px; }
.bb-user-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 24px;
}
.bb-user-grid .grid-label { color: var(--bb-text-3); font-size: 13px; }
.bb-user-grid .grid-value { font-weight: 600; font-size: 14px; word-break: break-word; }
.bb-user-grid .grid-value code {
    background: var(--bb-bg-alt);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 12.5px;
}

.bb-pay-card {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    padding: 24px;
    max-width: 720px;
}
.bb-pay-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    margin-bottom: 18px;
    color: var(--bb-primary-dark);
}
.bb-pay-card h3 img { width: 20px; height: 20px; }
.bb-pay-info {
    background: linear-gradient(135deg, rgba(86,128,233,0.08), rgba(136,96,208,0.08));
    border: 1px dashed var(--bb-border-strong);
    border-radius: var(--bb-radius);
    padding: 16px;
    margin-bottom: 20px;
}
.bb-pay-info__title { font-weight: 700; font-size: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.bb-pay-info__title img { width: 16px; height: 16px; }
.bb-pay-number {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 8px 0;
    font-size: 14px;
}
.bb-pay-number strong { min-width: 64px; }
.bb-pay-number .bb-copy-btn {
    padding: 4px 12px;
    border-radius: var(--bb-radius-pill);
    background: var(--bb-gradient);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all var(--bb-transition);
}
.bb-pay-number .bb-copy-btn:hover { transform: translateY(-2px); box-shadow: var(--bb-shadow-primary); }
.bb-pay-number .bb-copy-btn img { width: 12px; height: 12px; }

.bb-form-group { margin-bottom: 18px; }
.bb-form-group label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 7px;
    color: var(--bb-text);
}
.bb-form-group label img { width: 15px; height: 15px; }
.bb-form-group input,
.bb-form-group select,
.bb-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--bb-border);
    border-radius: var(--bb-radius);
    background: var(--bb-surface);
    color: var(--bb-text);
    font-size: 15px;
    transition: all var(--bb-transition);
}
.bb-form-group input:focus,
.bb-form-group select:focus,
.bb-form-group textarea:focus {
    outline: none;
    border-color: var(--bb-primary);
    box-shadow: 0 0 0 4px rgba(86,128,233,0.15);
}
.bb-btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px 24px;
    border-radius: var(--bb-radius);
    background: var(--bb-gradient);
    color: #fff;
    font-weight: 800;
    font-size: 16px;
    box-shadow: var(--bb-shadow-primary);
    transition: all var(--bb-transition);
}
.bb-btn-submit:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(86,128,233,0.45); }
.bb-btn-submit img { width: 16px; height: 16px; }

/* Alerts */
.bb-alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--bb-radius);
    margin-bottom: 18px;
    font-size: 14px;
    animation: bb-fade-slide 0.3s ease;
}
.bb-alert img { width: 20px; height: 20px; flex-shrink: 0; }
.bb-alert--success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #166534;
}
.bb-alert--error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #991B1B;
}
.bb-alert--info {
    background: rgba(86, 128, 233, 0.1);
    border: 1px solid rgba(86, 128, 233, 0.3);
    color: var(--bb-primary-dark);
}
.bb-alert a { font-weight: 700; }
.bb-alert--danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #991B1B;
}
.bb-alert--danger strong { display: block; }
.bb-alert--danger p { color: #B91C1C; font-size: 13px; margin-top: 3px; }

/* Inline badge (e.g. payment notice) */
.bb-badge-inline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 9px 14px;
    border-radius: var(--bb-radius);
    background: linear-gradient(135deg, rgba(86,128,233,0.1), rgba(136,96,208,0.1));
    border: 1px solid rgba(86,128,233,0.25);
    font-size: 13px;
    color: var(--bb-primary-dark);
    font-weight: 600;
}

/* Form grid (2-col) */
.bb-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0 18px;
}

/* Standalone input (usable inside .bb-form-group too) */
.bb-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--bb-border);
    border-radius: var(--bb-radius);
    background: var(--bb-surface);
    color: var(--bb-text);
    font-size: 15px;
    transition: all var(--bb-transition);
}
.bb-input:focus {
    outline: none;
    border-color: var(--bb-primary);
    box-shadow: 0 0 0 4px rgba(86,128,233,0.15);
}
.bb-input--invalid { border-color: #B91C1C; }

/* Course enroll info card */
.bb-course-enroll-card {
    display: flex;
    gap: 20px;
    align-items: center;
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    padding: 18px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.bb-course-enroll-card__media {
    width: 120px;
    height: 90px;
    border-radius: var(--bb-radius);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bb-surface-2);
}
.bb-course-enroll-card__media img { width: 100%; height: 100%; object-fit: cover; }
.bb-course-enroll-card__body { flex: 1; min-width: 200px; }
.bb-course-enroll-card__body h3 { font-size: 18px; margin-bottom: 6px; }
.bb-course-enroll-card__instructor { color: var(--bb-text-2); font-size: 13.5px; margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.bb-course-enroll-card__price {
    display: inline-block;
    padding: 5px 14px;
    border-radius: var(--bb-radius-pill);
    background: linear-gradient(135deg, rgba(86,128,233,0.12), rgba(136,96,208,0.12));
    color: var(--bb-primary-dark);
    font-weight: 800;
    font-size: 15px;
}

/* Info card (user info) */
.bb-info-card {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    padding: 20px 22px;
    margin-bottom: 22px;
}
.bb-info-card__head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}
.bb-info-card__head h4 { font-size: 16px; }
.bb-info-card__grid {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 10px 14px;
    font-size: 14px;
}
.bb-info-card__label { color: var(--bb-text-2); font-weight: 600; }
.bb-info-card__value { color: var(--bb-text); font-weight: 600; }
.bb-info-card__value code {
    background: var(--bb-surface-2);
    border: 1px solid var(--bb-border);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 12.5px;
}

/* Payment form */
.bb-payment-form {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-xl);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    padding: clamp(20px, 4vw, 30px);
    max-width: 720px;
}
.bb-payment-form__head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}
.bb-payment-form__head h3 { font-size: 18px; color: var(--bb-primary-dark); }
.bb-payment-numbers {
    background: linear-gradient(135deg, rgba(86,128,233,0.08), rgba(136,96,208,0.08));
    border: 1px dashed var(--bb-border-strong);
    border-radius: var(--bb-radius);
    padding: 16px;
    margin-bottom: 20px;
}
.bb-payment-numbers__title { font-weight: 700; font-size: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.bb-payment-number {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 8px 0;
    font-size: 14px;
}
.bb-payment-number strong { min-width: 66px; }
.bb-payment-number__value {
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--bb-text);
}

/* PDF category accordion */
.bb-pdf-category {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-xl);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    overflow: hidden;
    margin-bottom: 26px;
    transition: box-shadow var(--bb-transition);
}
.bb-pdf-category:hover { box-shadow: var(--bb-shadow-lg); }
.bb-pdf-category__head {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 22px;
    background: linear-gradient(135deg, rgba(86,128,233,0.06), rgba(136,96,208,0.06));
    cursor: pointer;
    transition: background var(--bb-transition);
    text-align: left;
}
.bb-pdf-category__head:hover { background: linear-gradient(135deg, rgba(86,128,233,0.12), rgba(136,96,208,0.12)); }
.bb-pdf-category__icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: var(--bb-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.bb-pdf-category__title { flex: 1; }
.bb-pdf-category__title h3 { font-size: 16px; font-weight: 700; }
.bb-pdf-category__title p { font-size: 12.5px; color: var(--bb-text-3); }
.bb-pdf-category__head .category-toggle {
    transition: transform var(--bb-transition);
    color: var(--bb-primary);
    margin-left: auto;
}
.bb-pdf-category__head .category-toggle.rotated { transform: rotate(180deg); }
.bb-pdf-category__body { padding: 10px 22px 18px; display: none; }
.bb-pdf-category__body.show { display: block; animation: bb-fade-slide 0.3s ease; }

.bb-pdf-subcat__head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 8px 8px;
    cursor: pointer;
    font-weight: 700;
    font-size: 14.5px;
    color: var(--bb-text);
}
.bb-pdf-subcat__head span { color: var(--bb-text-3); font-size: 12.5px; font-weight: 600; }
.bb-pdf-subcat__head .subcategory-toggle { transition: transform var(--bb-transition); margin-left: auto; color: var(--bb-primary); }
.bb-pdf-subcat__head .subcategory-toggle.rotated { transform: rotate(180deg); }
.bb-pdf-subcat__body { padding-left: 4px; }

/* File item FA icons + ext badge */
.bb-file-item__icon { position: relative; }
.bb-file-item__icon i { font-size: 20px; color: var(--bb-primary); }
.bb-file-item__ext {
    position: absolute;
    bottom: -2px;
    right: -2px;
    font-size: 8.5px;
    font-weight: 800;
    color: #fff;
    background: var(--bb-gradient);
    border-radius: 4px;
    padding: 1px 4px;
    letter-spacing: 0.3px;
}
.bb-file-item__meta i { font-size: 12px; }
.bb-file-item__meta i { color: var(--bb-text-3); }

/* Search count pill */
.bb-search-box__count {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 700;
    color: var(--bb-primary);
    background: rgba(86,128,233,0.1);
    padding: 3px 12px;
    border-radius: var(--bb-radius-pill);
}

/* Hero stats row */
.bb-hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 22px;
    position: relative;
    z-index: 1;
}
.stat-card--inline {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 22px;
    border-radius: var(--bb-radius-lg);
    background: var(--bb-surface);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
}
.stat-card--inline .stat-count { font-size: 26px; }
.stat-card--inline .stat-label { margin-top: 0; font-size: 13px; }
.stat-card--inline:hover { transform: translateY(-4px); box-shadow: var(--bb-shadow-lg); }




/* ═══════════ PRIVACY POLICY ═══════════ */
.pp-content {
    max-width: 860px;
    margin: 0 auto;
}

.pp-updated {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--bbx-blue-soft);
    color: var(--bbx-blue);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}
.pp-updated i { font-size: 14px; }

.pp-intro {
    background: #fff;
    border: 1px solid var(--bbx-line);
    border-radius: 16px;
    padding: 24px 28px;
    margin-bottom: 32px;
    box-shadow: var(--bbx-sh-sm);
    border-left: 4px solid var(--bbx-blue);
}
.pp-intro p {
    font-size: 15px;
    color: var(--bbx-ink-2);
    line-height: 1.8;
    margin: 0;
}

.pp-sections {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}
.pp-section {
    background: #fff;
    border: 1px solid var(--bbx-line);
    border-radius: 16px;
    padding: 24px 28px;
    box-shadow: var(--bbx-sh-sm);
    transition: all 0.3s ease;
}
.pp-section:hover {
    box-shadow: 0 8px 30px rgba(26,86,219,.08);
    border-color: rgba(26,86,219,.15);
}
.pp-section__title {
    font-size: 18px;
    font-weight: 800;
    color: var(--bbx-ink);
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.pp-section__title i {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--bbx-blue-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.pp-section:nth-child(odd) .pp-section__title i {
    color: var(--bbx-blue);
}
.pp-section:nth-child(even) .pp-section__title i {
    color: var(--bbx-pink);
    background: var(--bbx-pink-soft);
}
.pp-section__body p {
    font-size: 14.5px;
    color: var(--bbx-ink-2);
    line-height: 1.8;
    margin: 0 0 12px;
}
.pp-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.pp-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--bbx-ink-2);
    line-height: 1.6;
    padding: 8px 12px;
    border-radius: 8px;
    background: var(--bbx-tint);
}
.pp-list li i {
    color: var(--bbx-blue);
    font-size: 15px;
    margin-top: 2px;
    flex-shrink: 0;
}

.pp-contact {
    text-align: center;
    background: linear-gradient(135deg, var(--bbx-blue-soft), var(--bbx-pink-soft));
    border: 1px solid var(--bbx-line);
    border-radius: 20px;
    padding: 32px 28px;
}
.pp-contact__icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bbx-grad);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 22px;
    color: #fff;
    box-shadow: 0 8px 24px rgba(26,86,219,.20);
}
.pp-contact p {
    font-size: 15px;
    color: var(--bbx-ink-2);
    line-height: 1.7;
    margin: 0 0 18px;
}

@media (max-width: 640px) {
    .pp-section {
        padding: 18px 20px;
    }
    .pp-section__title {
        font-size: 16px;
    }
}


/* ═══════════ REFUND PROCESS TIMELINE ═══════════ */
.pp-refund-process {
    background: #fff;
    border: 1px solid var(--bbx-line);
    border-radius: 20px;
    padding: 28px 32px;
    margin-bottom: 28px;
    box-shadow: var(--bbx-sh-sm);
}
.pp-process__title {
    font-size: 18px;
    font-weight: 800;
    color: var(--bbx-ink);
    margin: 0 0 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--bbx-line);
}
.pp-process__title i {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--bbx-grad);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #fff;
}

.pp-process__steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}
.pp-process__step {
    display: flex;
    gap: 16px;
    position: relative;
}
.pp-process__connector {
    width: 2px;
    height: 24px;
    background: linear-gradient(180deg, var(--bbx-blue), var(--bbx-pink));
    margin-left: 19px;
}
.pp-process__step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bbx-grad);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    box-shadow: 0 4px 14px rgba(26,86,219,.18);
}
.pp-process__step-body h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--bbx-ink);
    margin: 0 0 4px;
}
.pp-process__step-body p {
    font-size: 13.5px;
    color: var(--bbx-ink-2);
    margin: 0 0 6px;
    line-height: 1.6;
}
.pp-process__step-time {
    font-size: 12px;
    color: var(--bbx-pink);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--bbx-pink-soft);
    padding: 3px 10px;
    border-radius: 999px;
}

/* ═══════════ NON-REFUNDABLE LIST ═══════════ */
.pp-nonrefund {
    background: #fff;
    border: 1px solid #FECACA;
    border-radius: 20px;
    padding: 24px 28px;
    margin-bottom: 28px;
    border-left: 4px solid #DC143C;
}
.pp-nonrefund__title {
    font-size: 18px;
    font-weight: 800;
    color: #991B1B;
    margin: 0 0 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.pp-nonrefund__title i {
    font-size: 20px;
}
.pp-list--danger {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.pp-list--danger li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: #7F1D1D;
    line-height: 1.6;
    padding: 8px 12px;
    border-radius: 8px;
    background: #FEF2F2;
}
.pp-list--danger li i {
    color: #DC143C;
    font-size: 14px;
    margin-top: 2px;
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .pp-refund-process,
    .pp-nonrefund {
        padding: 18px 20px;
    }
}