/*
 * =========================================================
 *              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 - UI Components
   ============================================================ */

/* ---------- Buttons ---------- */
.bb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: var(--bb-radius);
    font-weight: 700;
    font-size: 15px;
    line-height: 1.4;
    transition: all var(--bb-transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    border: 2px solid transparent;
    cursor: pointer;
}
.bb-btn svg, .bb-btn img {
    width: 16px;
    height: 16px;
}
.bb-btn--primary {
    background: var(--bb-gradient);
    color: #fff;
    box-shadow: var(--bb-shadow-primary);
}
.bb-btn--primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 16px 38px rgba(86, 128, 233, 0.45);
}
.bb-btn--secondary {
    background: var(--bb-gradient-warm);
    color: #fff;
    box-shadow: 0 10px 30px rgba(136, 96, 208, 0.35);
}
.bb-btn--secondary:hover {
    color: #fff;
    transform: translateY(-2px);
}
.bb-btn--outline {
    background: transparent;
    color: var(--bb-primary);
    border-color: var(--bb-primary);
}
.bb-btn--outline:hover {
    background: var(--bb-primary);
    color: #fff;
    transform: translateY(-2px);
}
.bb-btn--ghost {
    background: rgba(86, 128, 233, 0.08);
    color: var(--bb-primary-dark);
}
.bb-btn--ghost:hover {
    background: rgba(86, 128, 233, 0.16);
    transform: translateY(-2px);
}
.bb-btn--white {
    background: #fff;
    color: var(--bb-primary);
    box-shadow: var(--bb-shadow);
}
.bb-btn--white:hover {
    transform: translateY(-2px);
    box-shadow: var(--bb-shadow-lg);
}
.bb-btn--sm { padding: 8px 18px; font-size: 13px; }
.bb-btn--xs { padding: 6px 14px; font-size: 12.5px; gap: 6px; }
.bb-btn--lg { padding: 16px 34px; font-size: 17px; }
.bb-btn--block { width: 100%; }
.bb-btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}
.bb-btn.is-loading {
    pointer-events: none;
    opacity: 0.8;
}

/* ---------- Cards ---------- */
.bb-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-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--bb-shadow-lg);
    border-color: var(--bb-border-strong);
}
.bb-card--glass {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 10px 36px rgba(30, 42, 74, 0.10);
}
.bb-card--hover {
    transition: all var(--bb-transition);
}
.bb-card--hover:hover {
    transform: translateY(-8px);
    box-shadow: var(--bb-shadow-lg);
}

/* Course card */
.course-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);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--bb-shadow-lg);
}
.course-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, var(--bb-light), #E9EDF8);
}
.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.course-card:hover .course-image img {
    transform: scale(1.08);
}
.course-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 5px 12px;
    border-radius: var(--bb-radius-pill);
    background: var(--bb-gradient);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 6px 16px rgba(86, 128, 233, 0.4);
    z-index: 2;
}
.course-discount-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 5px 12px;
    border-radius: var(--bb-radius-pill);
    background: rgba(239, 68, 68, 0.92);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    z-index: 2;
}
.course-content {
    padding: 18px 20px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 10px;
}
.course-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 45px;
}
.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--bb-text-3);
    font-size: 12.5px;
}
.course-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.course-meta svg, .course-meta img {
    width: 13px;
    height: 13px;
}
.course-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-top: 2px;
}
.current-price {
    font-size: 20px;
    font-weight: 800;
    color: var(--bb-primary);
}
.original-price {
    font-size: 14px;
    color: var(--bb-text-3);
    text-decoration: line-through;
}
.discount-badge, .discount-tag {
    font-size: 12px;
    font-weight: 700;
    color: var(--bb-danger);
    background: rgba(239, 68, 68, 0.1);
    padding: 2px 8px;
    border-radius: var(--bb-radius-pill);
}
.btn-details-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: auto;
    padding: 10px 16px;
    border-radius: var(--bb-radius);
    background: var(--bb-gradient);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    transition: all var(--bb-transition);
    box-shadow: 0 6px 18px rgba(86, 128, 233, 0.3);
}
.btn-details-small:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(86, 128, 233, 0.45);
}
.btn-details-small img, .btn-details-small svg {
    width: 15px;
    height: 15px;
}

/* Course grid */
.courses-grid,
.bb-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

/* Download / file card */
.download-card {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all var(--bb-transition);
}
.download-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--bb-shadow-lg);
    border-color: var(--bb-border-strong);
}
.download-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    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;
}
.download-card__icon img { width: 26px; height: 26px; }
.download-card__body { flex: 1; min-width: 0; }
.download-card__title {
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.download-card__meta {
    font-size: 12px;
    color: var(--bb-text-3);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Notice card */
.notice-card {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    border-left: 4px solid var(--bb-primary);
    padding: 20px;
    box-shadow: var(--bb-shadow-sm);
    transition: all var(--bb-transition);
    position: relative;
    overflow: hidden;
}
.notice-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--bb-shadow-lg);
}
.notice-card::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(86,128,233,0.08), rgba(136,96,208,0.08));
}
.notice-badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: var(--bb-radius-pill);
    background: var(--bb-gradient);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 10px;
}
.notice-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}
.notice-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    color: var(--bb-text-3);
    margin-bottom: 10px;
}
.notice-date img { width: 13px; height: 13px; }
.notice-text {
    font-size: 14px;
    color: var(--bb-text-2);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.notice-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    font-size: 13.5px;
    margin-top: 12px;
    color: var(--bb-primary);
}
.notice-link img { width: 13px; height: 13px; }

/* Stat card */
.stat-card {
    text-align: center;
    padding: 26px 18px;
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    box-shadow: var(--bb-shadow-sm);
    transition: all var(--bb-transition);
}
.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--bb-shadow-lg);
}
.stat-card__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(86,128,233,0.12), rgba(136,96,208,0.12));
}
.stat-card__icon img { width: 26px; height: 26px; }
.stat-count {
    font-family: var(--bb-font-display);
    font-size: 34px;
    font-weight: 800;
    color: var(--bb-text);
    line-height: 1.1;
}
.stat-label {
    color: var(--bb-text-2);
    font-size: 14px;
    margin-top: 6px;
}

/* Category card */
.category-card {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    padding: 24px;
    text-align: center;
    transition: all var(--bb-transition);
    position: relative;
    overflow: hidden;
}
.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--bb-shadow-lg);
    border-color: var(--bb-primary);
}
.category-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 14px;
    border-radius: 18px;
    background: var(--bb-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--bb-shadow-primary);
}
.category-card__icon img { width: 30px; height: 30px; }
.category-card__title { font-weight: 700; font-size: 17px; }
.category-card__desc { color: var(--bb-text-3); font-size: 13px; margin-top: 4px; }

/* Feature icon item */
.feature-icons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}
.feature-icon-item {
    background: var(--bb-surface);
    border-radius: var(--bb-radius-lg);
    border: 1px solid var(--bb-border);
    padding: 30px 20px;
    text-align: center;
    transition: all var(--bb-transition);
    color: var(--bb-text);
}
.feature-icon-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--bb-shadow-lg);
    border-color: var(--bb-primary);
    color: var(--bb-primary);
}
.feature-icon-item img {
    width: 44px;
    height: 44px;
    margin: 0 auto 12px;
    filter: drop-shadow(0 6px 14px rgba(86,128,233,0.35));
}
.feature-icon-item p { font-weight: 700; font-size: 15px; }

/* Empty state */
.bb-empty {
    text-align: center;
    padding: 50px 24px;
    border-radius: var(--bb-radius-lg);
    border: 2px dashed var(--bb-border-strong);
    background: var(--bb-surface);
}
.bb-empty img {
    width: 56px;
    height: 56px;
    margin: 0 auto 14px;
    opacity: 0.55;
}
.bb-empty h4 { font-size: 17px; margin-bottom: 6px; }
.bb-empty p { color: var(--bb-text-3); font-size: 14px; }

/* ---------- Forms ---------- */
.bb-field { margin-bottom: 18px; }
.bb-field label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 7px;
    color: var(--bb-text);
}
.bb-field label b { color: var(--bb-danger); }
.bb-input-icon {
    position: relative;
}
.bb-input-icon img,
.bb-input-icon svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    opacity: 0.55;
    pointer-events: none;
}
.bb-input-icon input,
.bb-input-icon select,
.bb-input-icon textarea {
    width: 100%;
    padding: 12px 16px 12px 44px;
    border: 2px solid var(--bb-border);
    border-radius: var(--bb-radius);
    background: var(--bb-surface);
    color: var(--bb-text);
    transition: all var(--bb-transition);
    font-size: 15px;
}
.bb-input-icon textarea {
    min-height: 100px;
    padding-top: 14px;
}
.bb-input-icon input:focus,
.bb-input-icon select:focus,
.bb-input-icon textarea:focus {
    outline: none;
    border-color: var(--bb-primary);
    box-shadow: 0 0 0 4px rgba(86, 128, 233, 0.15);
}
.bb-input-icon input.is-invalid,
.bb-input-icon select.is-invalid,
.bb-input-icon textarea.is-invalid {
    border-color: var(--bb-danger);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
}
.bb-input-icon input.is-valid {
    border-color: var(--bb-success);
}
.bb-input-icon--no-icon input,
.bb-input-icon--no-icon select,
.bb-input-icon--no-icon textarea {
    padding-left: 16px;
}
.bb-field-error {
    display: none;
    color: var(--bb-danger);
    font-size: 12.5px;
    margin-top: 6px;
    align-items: center;
    gap: 5px;
}
.bb-field-error.show { display: flex; }

.bb-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 16px;
}
@media (max-width: 640px) {
    .bb-form-row { grid-template-columns: 1fr; }
}

/* Password toggle */
.bb-pw-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: var(--bb-text-3);
    transition: color var(--bb-transition);
    z-index: 2;
}
.bb-pw-toggle:hover { color: var(--bb-primary); }
.bb-pw-toggle img { width: 18px; height: 18px; }

/* ---------- Modal ---------- */
.bb-modal {
    position: fixed;
    inset: 0;
    z-index: 1600;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(30, 42, 74, 0.5);
    backdrop-filter: blur(6px);
}
.bb-modal.show { display: flex; }
.bb-modal__panel {
    width: 100%;
    max-width: 560px;
    background: var(--bb-surface);
    border-radius: var(--bb-radius-xl);
    box-shadow: var(--bb-shadow-lg);
    overflow: hidden;
    animation: bb-modal-in 0.35s cubic-bezier(0.21, 1.02, 0.73, 1);
    transform: translateY(20px) scale(0.96);
}
@keyframes bb-modal-in {
    to { transform: translateY(0) scale(1); }
}
.bb-modal__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--bb-border);
}
.bb-modal__head h3 { font-size: 18px; }
.bb-modal__close {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bb-text-3);
    transition: all var(--bb-transition);
}
.bb-modal__close:hover { background: rgba(239, 68, 68, 0.1); color: var(--bb-danger); }
.bb-modal__body { padding: 22px; max-height: 70vh; overflow-y: auto; }

/* ---------- Tabs / Pills ---------- */
.bb-pill-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 34px;
}
.bb-pill {
    padding: 10px 24px;
    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: 14px;
    transition: all var(--bb-transition);
    position: relative;
}
.bb-pill:hover { border-color: var(--bb-primary); color: var(--bb-primary); transform: translateY(-2px); }
.bb-pill.active {
    background: var(--bb-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: var(--bb-shadow-primary);
}

/* ---------- Accordion ---------- */
.bb-accordion__item {
    background: var(--bb-surface);
    border: 1px solid var(--bb-border);
    border-radius: var(--bb-radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--bb-transition);
}
.bb-accordion__item.open { border-color: var(--bb-primary); box-shadow: var(--bb-shadow-sm); }
.bb-accordion__head {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    font-weight: 700;
    font-size: 15px;
    color: var(--bb-text);
    text-align: left;
}
.bb-accordion__icon {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(86,128,233,0.1);
    color: var(--bb-primary);
    transition: transform var(--bb-transition);
}
.bb-accordion__item.open .bb-accordion__icon { transform: rotate(180deg); }
.bb-accordion__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.bb-accordion__inner { padding: 0 20px 18px; color: var(--bb-text-2); font-size: 14px; }

/* ---------- Tooltip ---------- */
[data-tooltip] {
    position: relative;
}
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--bb-text);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--bb-transition);
    z-index: 30;
    pointer-events: none;
}
[data-tooltip]::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 3px);
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--bb-text);
    opacity: 0;
    visibility: hidden;
    transition: all var(--bb-transition);
    z-index: 30;
}
[data-tooltip]:hover::after,
[data-tooltip]:hover::before,
[data-tooltip]:focus::after,
[data-tooltip]:focus::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ---------- Pagination ---------- */
.bb-pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 36px;
}
.bb-page-btn {
    min-width: 42px;
    height: 42px;
    padding: 0 14px;
    border-radius: 12px;
    background: var(--bb-surface);
    border: 1px solid var(--bb-border);
    color: var(--bb-text-2);
    font-weight: 700;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all var(--bb-transition);
}
.bb-page-btn:hover { border-color: var(--bb-primary); color: var(--bb-primary); transform: translateY(-2px); }
.bb-page-btn.active {
    background: var(--bb-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: var(--bb-shadow-primary);
}
.bb-page-btn[disabled] { opacity: 0.45; pointer-events: none; }
.bb-page-btn img { width: 14px; height: 14px; }

/* ---------- Badge / chip ---------- */
.bb-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: var(--bb-radius-pill);
    background: rgba(86,128,233,0.1);
    color: var(--bb-primary-dark);
    font-size: 12.5px;
    font-weight: 600;
}

/* Breadcrumb */
.bb-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    color: var(--bb-text-3);
    margin-bottom: 14px;
}
.bb-breadcrumb a { color: var(--bb-text-3); }
.bb-breadcrumb a:hover { color: var(--bb-primary); }
.bb-breadcrumb__sep { color: var(--bb-border-strong); }
.bb-breadcrumb .current { color: var(--bb-primary); font-weight: 700; }