/* ============================================================
   BRANDED MEMBER AREA — Premium Student Interface
   Standalone CSS (NOT imported into member-area.css)
   All classes use ba-* prefix
   Colors via CSS variables set in layout.blade.php:
     --ba-primary, --ba-primary-rgb,
     --ba-secondary, --ba-secondary-rgb,
     --ba-bg, --ba-bg-rgb,
     --ba-surface, --ba-surface-rgb,
     --ba-text, --ba-text-rgb,
     --ba-font
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

.ba-body {
    font-family: var(--ba-font, 'Inter', sans-serif);
    background: var(--ba-bg, #0a0a0f);
    color: var(--ba-text, #fff);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font: inherit; }

/* ---------- Navbar ---------- */
.ba-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    height: 64px;
    background: rgba(var(--ba-bg-rgb, 10,10,15), .85);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-bottom: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .06);
    position: sticky;
    top: 0;
    z-index: 100;
}

.ba-nav__left,
.ba-nav__right { display: flex; align-items: center; gap: 16px; }

.ba-nav__logo { height: 32px; width: auto; object-fit: contain; }

.ba-nav__brand {
    font-size: 17px;
    font-weight: 700;
    color: var(--ba-text);
    letter-spacing: -0.025em;
}

.ba-nav__user {
    font-size: 13px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .5);
    font-weight: 500;
}

.ba-nav__back {
    font-size: 13px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .5);
    font-weight: 500;
    transition: color .2s;
}
.ba-nav__back:hover { color: var(--ba-primary); }

.ba-nav__logout {
    background: none;
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .1);
    color: rgba(var(--ba-text-rgb, 255,255,255), .5);
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .02em;
    transition: all .2s;
}
.ba-nav__logout:hover {
    border-color: rgba(var(--ba-text-rgb, 255,255,255), .2);
    color: var(--ba-text);
    background: rgba(var(--ba-text-rgb, 255,255,255), .04);
}

/* ---------- Stats Bar (Dashboard) ---------- */
.ba-stats {
    display: flex;
    gap: 1px;
    background: rgba(var(--ba-text-rgb, 255,255,255), .06);
    border-bottom: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .06);
}

.ba-stats__item {
    flex: 1;
    padding: 20px 24px;
    background: var(--ba-bg);
    text-align: center;
}

.ba-stats__value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 4px;
    font-variant-numeric: tabular-nums;
}
.ba-stats__value--primary { color: var(--ba-primary); }
.ba-stats__value--secondary { color: var(--ba-secondary); }

.ba-stats__label {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: rgba(var(--ba-text-rgb, 255,255,255), .4);
}

/* ---------- Welcome Message ---------- */
.ba-welcome {
    padding: 20px 32px;
    background: rgba(var(--ba-primary-rgb), .08);
    border-bottom: 1px solid rgba(var(--ba-primary-rgb), .15);
}

.ba-welcome__text {
    font-size: 16px;
    font-weight: 500;
    color: rgba(var(--ba-text-rgb, 255,255,255), .85);
}

/* ---------- Hero ---------- */
.ba-hero {
    position: relative;
    min-height: 300px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
}

.ba-hero__overlay {
    width: 100%;
    padding: 80px 32px 40px;
    background: linear-gradient(to top, var(--ba-bg) 0%, rgba(var(--ba-bg-rgb, 10,10,15), .7) 50%, transparent 100%);
}

.ba-hero__content { max-width: 720px; }

.ba-hero__welcome {
    font-size: 13px;
    color: var(--ba-primary);
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.ba-hero__title {
    font-size: 36px;
    font-weight: var(--ba-heading-weight, 800);
    line-height: 1.1;
    letter-spacing: var(--ba-heading-spacing, -0.035em);
    margin-bottom: 12px;
    text-shadow: var(--ba-heading-shadow, none);
}

.ba-hero__desc {
    font-size: 15px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .55);
    line-height: 1.7;
    max-width: 540px;
}

/* ---------- Main Content ---------- */
.ba-main {
    padding: 40px 32px;
    max-width: 1200px;
    margin: 0 auto;
}

/* ---------- Track Sections (Dashboard) ---------- */
.ba-track-section { margin-bottom: 48px; }

.ba-track-section__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 8px;
}

.ba-track-section__title {
    font-size: 18px;
    font-weight: var(--ba-heading-weight, 700);
    letter-spacing: var(--ba-heading-spacing, -0.02em);
    text-shadow: var(--ba-heading-shadow, none);
}

.ba-track-section__link {
    font-size: 12px;
    color: var(--ba-primary);
    font-weight: 600;
    letter-spacing: .02em;
    text-transform: uppercase;
    transition: opacity .2s;
}
.ba-track-section__link:hover { opacity: .75; }

/* ---------- Track Progress ---------- */
.ba-track-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.ba-track-progress__bar {
    flex: 1;
    height: 4px;
    background: rgba(var(--ba-text-rgb, 255,255,255), .06);
    border-radius: 2px;
    overflow: hidden;
}

.ba-track-progress__fill {
    height: 100%;
    background: var(--ba-primary);
    border-radius: 2px;
    transition: width .6s cubic-bezier(.25,1,.5,1);
    position: relative;
}
.ba-track-progress__fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: -1px;
    width: 8px;
    height: 6px;
    background: var(--ba-primary);
    border-radius: 3px;
    box-shadow: 0 0 8px rgba(var(--ba-primary-rgb, 243,103,7), .5);
}

.ba-track-progress__text {
    font-size: 12px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .45);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

/* ---------- Course Row (horizontal scroll) ---------- */
.ba-course-row {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--ba-text-rgb, 255,255,255), .08) transparent;
}
.ba-course-row::-webkit-scrollbar { height: 4px; }
.ba-course-row::-webkit-scrollbar-track { background: transparent; }
.ba-course-row::-webkit-scrollbar-thumb { background: rgba(var(--ba-text-rgb, 255,255,255), .08); border-radius: 2px; }

/* ---------- Course Card ---------- */
.ba-course-card {
    flex: 0 0 280px;
    scroll-snap-align: start;
    background: var(--ba-surface, #16161d);
    border-radius: 12px;
    overflow: hidden;
    transition: transform .3s cubic-bezier(.25,1,.5,1), box-shadow .3s ease;
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .06);
    display: flex;
    flex-direction: column;
    position: relative;
}
.ba-course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,.35);
}

.ba-course-card--grid {
    flex: unset;
    width: 100%;
}

.ba-course-card__thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: rgba(var(--ba-text-rgb, 255,255,255), .03);
}
.ba-course-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s cubic-bezier(.25,1,.5,1);
}
.ba-course-card:hover .ba-course-card__thumb img {
    transform: scale(1.06);
}

.ba-course-card__placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(var(--ba-primary-rgb, 243,103,7), .08) 0%, rgba(var(--ba-secondary-rgb, 116,154,23), .05) 100%);
}

/* Card Badges */
.ba-course-card__badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.ba-course-card__badge--done {
    background: var(--ba-secondary, #749A17);
    color: #fff;
}
.ba-course-card__badge--progress {
    background: var(--ba-primary);
    color: #fff;
}

/* Card Progress Bar */
.ba-course-card__progress {
    height: 3px;
    background: rgba(var(--ba-text-rgb, 255,255,255), .06);
}
.ba-course-card__progress-fill {
    height: 100%;
    background: var(--ba-primary);
    transition: width .4s ease;
    border-radius: 0 2px 2px 0;
}
.ba-course-card__progress-fill--done {
    background: var(--ba-secondary, #749A17);
}

/* Card Info */
.ba-course-card__info {
    padding: 16px 16px 8px;
    flex: 1;
}

.ba-course-card__title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.ba-course-card__meta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .4);
    margin-right: 12px;
}
.ba-course-card__meta svg { flex-shrink: 0; }

/* Card Action */
.ba-course-card__action {
    padding: 12px 16px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ba-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ba-course-card__action-arrow {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(var(--ba-primary-rgb, 243,103,7), .1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s, transform .2s;
}
.ba-course-card:hover .ba-course-card__action-arrow {
    background: rgba(var(--ba-primary-rgb, 243,103,7), .2);
    transform: translateX(2px);
}

/* ---------- Course Grid (Track page) ---------- */
.ba-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* ---------- Track Header (Track page) ---------- */
.ba-track-header {
    position: relative;
    padding: 48px 32px 32px;
}

.ba-track-header__cover {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: .15;
}
.ba-track-header__cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 0%, var(--ba-bg) 100%);
}

.ba-track-header__info {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.ba-track-header__title {
    font-size: 32px;
    font-weight: var(--ba-heading-weight, 800);
    letter-spacing: var(--ba-heading-spacing, -0.03em);
    margin-bottom: 12px;
    line-height: 1.1;
    text-shadow: var(--ba-heading-shadow, none);
}

.ba-track-header__desc {
    font-size: 15px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .55);
    line-height: 1.7;
    margin-bottom: 20px;
}

.ba-track-header__meta {
    font-size: 13px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .35);
    display: flex;
    gap: 20px;
    font-weight: 500;
}
.ba-track-header__meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Track Progress (on track page) */
.ba-track-header__progress {
    margin-top: 24px;
    max-width: 400px;
}
.ba-track-header__progress-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}
.ba-track-header__progress-label {
    font-size: 12px;
    font-weight: 600;
    color: rgba(var(--ba-text-rgb, 255,255,255), .5);
    text-transform: uppercase;
    letter-spacing: .06em;
}
.ba-track-header__progress-pct {
    font-size: 13px;
    font-weight: 700;
    color: var(--ba-primary);
    font-variant-numeric: tabular-nums;
}
.ba-track-header__progress-bar {
    height: 6px;
    background: rgba(var(--ba-text-rgb, 255,255,255), .06);
    border-radius: 3px;
    overflow: hidden;
}
.ba-track-header__progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--ba-primary), var(--ba-secondary));
    border-radius: 3px;
    transition: width .8s cubic-bezier(.25,1,.5,1);
}

/* ---------- Empty Tracks ---------- */
.ba-empty-tracks {
    text-align: center;
    padding: 100px 32px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .3);
    font-size: 15px;
}
.ba-empty-tracks svg {
    margin: 0 auto 16px;
    opacity: .3;
}

/* ---------- Footer ---------- */
.ba-footer {
    text-align: center;
    padding: 32px;
    border-top: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .06);
    margin-top: 48px;
}

.ba-footer__text {
    font-size: 13px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .35);
    margin-bottom: 8px;
}

.ba-footer__credit {
    font-size: 11px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .2);
}
.ba-footer__credit a {
    color: var(--ba-primary);
    font-weight: 600;
}
.ba-footer__credit a:hover { text-decoration: underline; }

/* ============================================================
   LOGIN PAGE
   ============================================================ */

.ba-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Layout: stacked (default) */
.ba-login--stacked .ba-login__content {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    position: relative;
}
.ba-login--stacked .ba-login__content::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.6);
    backdrop-filter: blur(2px);
}

/* Layout: split-left */
.ba-login--split-left {
    flex-direction: row;
}
.ba-login--split-left .ba-login__image {
    width: 50%;
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    position: relative;
}
.ba-login--split-left .ba-login__image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(var(--ba-primary-rgb, 243,103,7), .15), transparent 60%);
}
.ba-login--split-left .ba-login__content {
    width: 50%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ba-bg);
}

/* Layout: split-right */
.ba-login--split-right {
    flex-direction: row-reverse;
}
.ba-login--split-right .ba-login__image {
    width: 50%;
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    position: relative;
}
.ba-login--split-right .ba-login__image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(225deg, rgba(var(--ba-primary-rgb, 243,103,7), .15), transparent 60%);
}
.ba-login--split-right .ba-login__content {
    width: 50%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ba-bg);
}

/* Login Box */
.ba-login__box {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    padding: 40px 32px;
    border-radius: 16px;
}

.ba-login__box--normal {
    background: var(--ba-surface);
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .06);
    box-shadow: 0 1px 3px rgba(0,0,0,.15), 0 8px 24px rgba(0,0,0,.1);
}

.ba-login__box--gradient {
    background: linear-gradient(160deg, var(--ba-surface) 0%, rgba(var(--ba-text-rgb, 255,255,255), .03) 100%);
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .08);
    box-shadow: 0 1px 3px rgba(0,0,0,.15), 0 8px 24px rgba(0,0,0,.1);
}

.ba-login__box--glass {
    background: rgba(var(--ba-text-rgb, 255,255,255), .05);
    backdrop-filter: blur(24px) saturate(1.3);
    -webkit-backdrop-filter: blur(24px) saturate(1.3);
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .1);
    box-shadow: 0 8px 32px rgba(0,0,0,.25), inset 0 1px 0 rgba(var(--ba-text-rgb, 255,255,255), .06);
}

/* Split layout — box style overrides */
.ba-login--split-left .ba-login__box--normal,
.ba-login--split-right .ba-login__box--normal {
    box-shadow: 0 4px 24px rgba(0,0,0,.2), 0 0 0 1px rgba(var(--ba-text-rgb, 255,255,255), .04);
}
.ba-login--split-left .ba-login__box--gradient,
.ba-login--split-right .ba-login__box--gradient {
    background: linear-gradient(160deg, rgba(var(--ba-text-rgb, 255,255,255), .06) 0%, rgba(var(--ba-text-rgb, 255,255,255), .02) 100%);
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .08);
    box-shadow: 0 4px 24px rgba(0,0,0,.15);
}
.ba-login--split-left .ba-login__box--glass,
.ba-login--split-right .ba-login__box--glass {
    background: rgba(var(--ba-text-rgb, 255,255,255), .03);
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .1);
    box-shadow: 0 8px 32px rgba(0,0,0,.25), inset 0 1px 0 rgba(var(--ba-text-rgb, 255,255,255), .06);
}

.ba-login__logo {
    height: 44px;
    width: auto;
    margin: 0 auto 28px;
    object-fit: contain;
}

.ba-login__title {
    font-size: 22px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4px;
    letter-spacing: -0.025em;
}

.ba-login__subtitle {
    font-size: 14px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .45);
    text-align: center;
    margin-bottom: 28px;
}

/* Tabs */
.ba-login__tabs {
    display: flex;
    gap: 2px;
    background: rgba(var(--ba-text-rgb, 255,255,255), .04);
    border-radius: 8px;
    padding: 3px;
    margin-bottom: 28px;
}

.ba-login__tab {
    flex: 1;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: rgba(var(--ba-text-rgb, 255,255,255), .45);
    font-size: 13px;
    font-weight: 600;
    border-radius: 6px;
    transition: all .25s cubic-bezier(.25,1,.5,1);
    letter-spacing: .01em;
}
.ba-login__tab--active {
    background: var(--ba-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(var(--ba-primary-rgb, 243,103,7), .3);
}

/* Errors */
.ba-login__errors {
    background: rgba(239,68,68,.08);
    border: 1px solid rgba(239,68,68,.2);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 13px;
    color: #fca5a5;
}
.ba-login__errors p { margin-bottom: 4px; }
.ba-login__errors p:last-child { margin-bottom: 0; }

/* Form */
.ba-login__form { display: flex; flex-direction: column; gap: 18px; }
.ba-login__form[hidden] { display: none; }

.ba-form-group { display: flex; flex-direction: column; gap: 6px; }

.ba-form-label {
    font-size: 12px;
    font-weight: 600;
    color: rgba(var(--ba-text-rgb, 255,255,255), .55);
    letter-spacing: .03em;
    text-transform: uppercase;
}

.ba-form-input {
    padding: 11px 14px;
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .1);
    border-radius: 8px;
    background: rgba(var(--ba-text-rgb, 255,255,255), .03);
    color: var(--ba-text);
    font-size: 14px;
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}
.ba-form-input::placeholder { color: rgba(var(--ba-text-rgb, 255,255,255), .2); }
.ba-form-input:focus {
    border-color: var(--ba-primary);
    box-shadow: 0 0 0 3px rgba(var(--ba-primary-rgb, 243,103,7), .12);
}

.ba-form-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

.ba-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .5);
    cursor: pointer;
}
.ba-checkbox-label input[type="checkbox"] {
    accent-color: var(--ba-primary);
    width: 15px;
    height: 15px;
}

.ba-login__forgot {
    font-size: 13px;
    color: var(--ba-primary);
    font-weight: 500;
    transition: opacity .2s;
}
.ba-login__forgot:hover { opacity: .75; }

.ba-login__btn {
    width: 100%;
    padding: 13px;
    border: none;
    border-radius: 8px;
    background: var(--ba-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .01em;
    transition: all .2s;
    box-shadow: 0 2px 8px rgba(var(--ba-primary-rgb, 243,103,7), .25);
}
.ba-login__btn:hover {
    box-shadow: 0 4px 16px rgba(var(--ba-primary-rgb, 243,103,7), .35);
    transform: translateY(-1px);
}
.ba-login__btn:active { transform: translateY(0) scale(.99); }

.ba-login__footer {
    text-align: center;
    margin-top: 28px;
    font-size: 11px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .2);
}
.ba-login__footer a { color: var(--ba-primary); }
.ba-login__footer a:hover { text-decoration: underline; }

/* ============================================================
   PLANS PAGE
   ============================================================ */

.ba-plans-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 80px 32px 48px;
    background: var(--ba-bg);
}

.ba-plans-page__header {
    text-align: center;
    margin-bottom: 48px;
}

.ba-plans-page__logo {
    height: 44px;
    width: auto;
    margin: 0 auto 24px;
    object-fit: contain;
}

.ba-plans-page__title {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
    line-height: 1.1;
}

.ba-plans-page__subtitle {
    font-size: 15px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .45);
    max-width: 460px;
}

/* Plans Grid */
.ba-plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    width: 100%;
    max-width: 880px;
    margin-bottom: 48px;
}

.ba-plan-card {
    background: var(--ba-surface);
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .06);
    border-radius: 16px;
    padding: 36px 28px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: border-color .3s, transform .3s cubic-bezier(.25,1,.5,1), box-shadow .3s;
    position: relative;
    overflow: hidden;
}
.ba-plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--ba-primary), transparent);
    opacity: 0;
    transition: opacity .3s;
}
.ba-plan-card:hover {
    border-color: rgba(var(--ba-primary-rgb, 243,103,7), .25);
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,0,0,.3);
}
.ba-plan-card:hover::before { opacity: 1; }

.ba-plan-card__name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.ba-plan-card__description {
    font-size: 14px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .45);
    line-height: 1.6;
    margin-bottom: 28px;
}

.ba-plan-card__price {
    margin-bottom: 28px;
}

.ba-plan-card__price-old {
    display: block;
    font-size: 14px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .3);
    text-decoration: line-through;
    margin-bottom: 4px;
}

.ba-plan-card__price-current {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--ba-primary);
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.ba-plan-card__period {
    display: block;
    font-size: 13px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .35);
    margin-top: 6px;
    font-weight: 500;
}

.ba-plan-card__cta {
    display: inline-block;
    padding: 13px 40px;
    background: var(--ba-primary);
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    transition: all .2s;
    margin-top: auto;
    box-shadow: 0 2px 8px rgba(var(--ba-primary-rgb, 243,103,7), .25);
}
.ba-plan-card__cta:hover {
    box-shadow: 0 4px 16px rgba(var(--ba-primary-rgb, 243,103,7), .35);
    transform: translateY(-1px);
}
.ba-plan-card__cta:active { transform: translateY(0); }

.ba-plans-page__back {
    margin-bottom: 24px;
}

.ba-plans-page__back-link {
    font-size: 14px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .4);
    font-weight: 500;
    transition: color .2s;
}
.ba-plans-page__back-link:hover { color: var(--ba-primary); }

.ba-plans-page__footer {
    font-size: 11px;
    color: rgba(var(--ba-text-rgb, 255,255,255), .2);
}
.ba-plans-page__footer a { color: var(--ba-primary); }

/* ============================================================
   TEMPLATE VARIANTS
   Applied via body class: ba-body--{template}
   Each has DISTINCT visual identity
   ============================================================ */

/* ---- CINEMATIC (default) ---- dark, dramatic, depth */
/* Base styles above already define cinematic. */

/* ---- MINIMAL ---- clean, airy, Swiss-design precision */
.ba-body--minimal {
    --ba-bg: #f8f8f8;
    --ba-bg-rgb: 248,248,248;
    --ba-surface: #ffffff;
    --ba-surface-rgb: 255,255,255;
    --ba-text: #111111;
    --ba-text-rgb: 17,17,17;
}
.ba-body--minimal .ba-nav {
    background: rgba(255,255,255,.92);
    border-bottom-color: rgba(0,0,0,.06);
    backdrop-filter: blur(12px);
}
.ba-body--minimal .ba-nav__user,
.ba-body--minimal .ba-nav__back { color: rgba(0,0,0,.4); }
.ba-body--minimal .ba-nav__logout {
    border-color: rgba(0,0,0,.1);
    color: rgba(0,0,0,.4);
}
.ba-body--minimal .ba-nav__logout:hover {
    border-color: rgba(0,0,0,.2);
    color: #111;
    background: rgba(0,0,0,.03);
}
.ba-body--minimal .ba-stats { background: rgba(0,0,0,.04); border-bottom-color: rgba(0,0,0,.06); }
.ba-body--minimal .ba-stats__item { background: var(--ba-bg); }
.ba-body--minimal .ba-stats__label { color: rgba(0,0,0,.35); }
.ba-body--minimal .ba-course-card {
    background: #fff;
    border-color: rgba(0,0,0,.06);
    box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.ba-body--minimal .ba-course-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,.08);
}
.ba-body--minimal .ba-course-card__meta { color: rgba(0,0,0,.4); }
.ba-body--minimal .ba-course-card__progress { background: rgba(0,0,0,.04); }
.ba-body--minimal .ba-track-progress__bar { background: rgba(0,0,0,.06); }
.ba-body--minimal .ba-track-progress__text { color: rgba(0,0,0,.35); }
.ba-body--minimal .ba-hero__overlay {
    background: linear-gradient(to top, var(--ba-bg) 0%, rgba(248,248,248,.6) 50%, transparent 100%);
}
.ba-body--minimal .ba-hero__desc,
.ba-body--minimal .ba-track-header__desc { color: rgba(0,0,0,.5); }
.ba-body--minimal .ba-track-header__meta { color: rgba(0,0,0,.3); }
.ba-body--minimal .ba-empty-tracks { color: rgba(0,0,0,.3); }
.ba-body--minimal .ba-footer { border-top-color: rgba(0,0,0,.06); }
.ba-body--minimal .ba-footer__text { color: rgba(0,0,0,.35); }
.ba-body--minimal .ba-footer__credit { color: rgba(0,0,0,.2); }

/* Minimal — login */
.ba-body--minimal .ba-login__box--normal {
    background: #fff;
    border-color: rgba(0,0,0,.08);
    box-shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.04);
}
.ba-body--minimal .ba-login__box--gradient {
    background: linear-gradient(160deg, #fff 0%, #f2f2f2 100%);
    border-color: rgba(0,0,0,.08);
    box-shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.04);
}
.ba-body--minimal .ba-login__box--glass {
    background: rgba(255,255,255,.8);
    border-color: rgba(0,0,0,.06);
    box-shadow: 0 8px 32px rgba(0,0,0,.06), inset 0 1px 0 rgba(255,255,255,.9);
}
.ba-body--minimal .ba-login__subtitle { color: rgba(0,0,0,.45); }
.ba-body--minimal .ba-login__tabs { background: rgba(0,0,0,.03); }
.ba-body--minimal .ba-login__tab { color: rgba(0,0,0,.4); }
.ba-body--minimal .ba-form-label { color: rgba(0,0,0,.5); }
.ba-body--minimal .ba-form-input {
    background: rgba(0,0,0,.02);
    border-color: rgba(0,0,0,.1);
    color: #111;
}
.ba-body--minimal .ba-form-input::placeholder { color: rgba(0,0,0,.25); }
.ba-body--minimal .ba-checkbox-label { color: rgba(0,0,0,.45); }
.ba-body--minimal .ba-login__footer { color: rgba(0,0,0,.2); }
.ba-body--minimal .ba-login__errors { background: rgba(239,68,68,.06); color: #b91c1c; border-color: rgba(239,68,68,.15); }

/* Minimal — split box */
.ba-body--minimal .ba-login--split-left .ba-login__box--normal,
.ba-body--minimal .ba-login--split-right .ba-login__box--normal {
    box-shadow: 0 4px 24px rgba(0,0,0,.06), 0 0 0 1px rgba(0,0,0,.04);
}
.ba-body--minimal .ba-login--split-left .ba-login__box--gradient,
.ba-body--minimal .ba-login--split-right .ba-login__box--gradient {
    background: linear-gradient(160deg, #fff 0%, #f0f0f0 100%);
    border: 1px solid rgba(0,0,0,.08);
    box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.ba-body--minimal .ba-login--split-left .ba-login__box--glass,
.ba-body--minimal .ba-login--split-right .ba-login__box--glass {
    background: rgba(255,255,255,.65);
    border: 1px solid rgba(0,0,0,.06);
    box-shadow: 0 8px 32px rgba(0,0,0,.08), inset 0 1px 0 rgba(255,255,255,.8);
}

/* Minimal — plans */
.ba-body--minimal .ba-plan-card {
    background: #fff;
    border-color: rgba(0,0,0,.06);
    box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.ba-body--minimal .ba-plan-card:hover {
    border-color: rgba(var(--ba-primary-rgb, 243,103,7), .2);
    box-shadow: 0 16px 48px rgba(0,0,0,.08);
}
.ba-body--minimal .ba-plan-card__description { color: rgba(0,0,0,.45); }
.ba-body--minimal .ba-plan-card__price-old { color: rgba(0,0,0,.3); }
.ba-body--minimal .ba-plan-card__period { color: rgba(0,0,0,.35); }
.ba-body--minimal .ba-plans-page__subtitle { color: rgba(0,0,0,.45); }
.ba-body--minimal .ba-plans-page__back-link { color: rgba(0,0,0,.4); }
.ba-body--minimal .ba-plans-page__footer { color: rgba(0,0,0,.2); }

/* ---- CARDS ---- floating, elevated, bold shadows, rounded */
.ba-body--cards .ba-nav {
    margin: 12px 16px 0;
    border-radius: 14px;
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .06);
    background: rgba(var(--ba-bg-rgb, 10,10,15), .9);
}
.ba-body--cards .ba-course-card {
    border-radius: 20px;
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .08);
    box-shadow:
        0 2px 8px rgba(0,0,0,.15),
        0 8px 24px rgba(0,0,0,.15);
}
.ba-body--cards .ba-course-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow:
        0 4px 12px rgba(0,0,0,.2),
        0 20px 48px rgba(0,0,0,.25);
}
.ba-body--cards .ba-course-card__thumb { border-radius: 20px 20px 0 0; }
.ba-body--cards .ba-course-card__progress { border-radius: 0; }
.ba-body--cards .ba-course-row { gap: 24px; }
.ba-body--cards .ba-course-grid { gap: 28px; }
.ba-body--cards .ba-course-card__info { padding: 18px 20px 10px; }
.ba-body--cards .ba-course-card__title { font-size: 15px; }
.ba-body--cards .ba-course-card__action { padding: 12px 20px 20px; }
.ba-body--cards .ba-plan-card {
    border-radius: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,.15), 0 12px 32px rgba(0,0,0,.15);
    padding: 40px 28px 36px;
}
.ba-body--cards .ba-plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0,0,0,.2), 0 24px 56px rgba(0,0,0,.25);
}
.ba-body--cards .ba-login__box { border-radius: 24px; box-shadow: 0 8px 40px rgba(0,0,0,.3); }
.ba-body--cards .ba-login__btn { border-radius: 12px; }
.ba-body--cards .ba-form-input { border-radius: 12px; }
.ba-body--cards .ba-login__tabs { border-radius: 12px; }
.ba-body--cards .ba-login__tab { border-radius: 10px; }
.ba-body--cards .ba-track-section__title { font-size: 20px; }
.ba-body--cards .ba-hero { min-height: 340px; }

/* ---- GRADIENT ---- chromatic accents, neon glow, energy */
.ba-body--gradient .ba-nav {
    background: linear-gradient(90deg, rgba(var(--ba-bg-rgb, 10,10,15), .9), rgba(var(--ba-bg-rgb, 10,10,15), .7), rgba(var(--ba-bg-rgb, 10,10,15), .9));
    border-bottom: 1px solid rgba(var(--ba-primary-rgb, 243,103,7), .2);
}
.ba-body--gradient .ba-course-card {
    background: linear-gradient(170deg, var(--ba-surface) 0%, rgba(var(--ba-text-rgb, 255,255,255), .02) 100%);
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .06);
    position: relative;
    overflow: hidden;
}
.ba-body--gradient .ba-course-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--ba-primary), var(--ba-secondary));
}
.ba-body--gradient .ba-course-card:hover {
    box-shadow: 0 0 24px rgba(var(--ba-primary-rgb, 243,103,7), .12), 0 12px 32px rgba(0,0,0,.3);
}
.ba-body--gradient .ba-track-section__title {
    background: linear-gradient(135deg, var(--ba-primary), var(--ba-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ba-body--gradient .ba-course-card__action span:first-child,
.ba-body--gradient .ba-course-card__action {
    background: linear-gradient(135deg, var(--ba-primary), var(--ba-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}
.ba-body--gradient .ba-course-card__action-arrow {
    background: linear-gradient(135deg, rgba(var(--ba-primary-rgb, 243,103,7), .15), rgba(var(--ba-secondary-rgb, 116,154,23), .15));
}
.ba-body--gradient .ba-track-progress__fill {
    background: linear-gradient(90deg, var(--ba-primary), var(--ba-secondary));
}
.ba-body--gradient .ba-track-progress__fill::after {
    background: var(--ba-secondary);
    box-shadow: 0 0 8px rgba(var(--ba-secondary-rgb, 116,154,23), .5);
}
.ba-body--gradient .ba-course-card__progress-fill {
    background: linear-gradient(90deg, var(--ba-primary), var(--ba-secondary));
}
.ba-body--gradient .ba-plan-card {
    background: linear-gradient(170deg, var(--ba-surface) 0%, rgba(var(--ba-text-rgb, 255,255,255), .02) 100%);
    overflow: hidden;
}
.ba-body--gradient .ba-plan-card::before {
    background: linear-gradient(90deg, var(--ba-primary), var(--ba-secondary));
    height: 3px;
    opacity: 1;
}
.ba-body--gradient .ba-plan-card__cta {
    background: linear-gradient(135deg, var(--ba-primary), var(--ba-secondary));
}
.ba-body--gradient .ba-plan-card__price-current {
    background: linear-gradient(135deg, var(--ba-primary), var(--ba-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ba-body--gradient .ba-login__box {
    border: none;
    box-shadow:
        0 0 24px rgba(var(--ba-primary-rgb, 243,103,7), .2),
        0 0 60px rgba(var(--ba-primary-rgb, 243,103,7), .08),
        0 0 24px rgba(var(--ba-secondary-rgb, 116,154,23), .1);
}
.ba-body--gradient .ba-login__btn {
    background: linear-gradient(135deg, var(--ba-primary), var(--ba-secondary));
    box-shadow: 0 2px 12px rgba(var(--ba-primary-rgb, 243,103,7), .3);
}
.ba-body--gradient .ba-login__tab--active {
    background: linear-gradient(135deg, var(--ba-primary), var(--ba-secondary));
    box-shadow: 0 2px 8px rgba(var(--ba-primary-rgb, 243,103,7), .3);
}
.ba-body--gradient .ba-footer { border-top: 1px solid rgba(var(--ba-primary-rgb, 243,103,7), .15); }
.ba-body--gradient .ba-stats {
    background: rgba(var(--ba-primary-rgb, 243,103,7), .06);
    border-bottom-color: rgba(var(--ba-primary-rgb, 243,103,7), .1);
}

/* ---- CLASSIC ---- structured, editorial, traditional authority */
.ba-body--classic .ba-nav {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(var(--ba-bg-rgb, 10,10,15), .95);
    border-bottom: 2px solid var(--ba-primary);
    border-radius: 0;
    height: 56px;
}
.ba-body--classic .ba-course-card {
    border-radius: 4px;
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .1);
    transition: border-color .2s, box-shadow .2s;
}
.ba-body--classic .ba-course-card:hover {
    transform: none;
    box-shadow: 0 4px 12px rgba(0,0,0,.25);
    border-color: var(--ba-primary);
}
.ba-body--classic .ba-course-card__thumb { border-radius: 0; }
.ba-body--classic .ba-course-card__badge { border-radius: 2px; }
.ba-body--classic .ba-login__box {
    border-radius: 4px;
    border: 1px solid rgba(var(--ba-text-rgb, 255,255,255), .12);
}
.ba-body--classic .ba-plan-card { border-radius: 4px; }
.ba-body--classic .ba-plan-card:hover { transform: none; border-color: var(--ba-primary); }
.ba-body--classic .ba-form-input { border-radius: 4px; }
.ba-body--classic .ba-login__btn { border-radius: 4px; }
.ba-body--classic .ba-plan-card__cta { border-radius: 4px; }
.ba-body--classic .ba-login__tabs { border-radius: 4px; }
.ba-body--classic .ba-login__tab { border-radius: 3px; }
.ba-body--classic .ba-track-section__title {
    text-transform: uppercase;
    letter-spacing: .06em;
    font-size: 14px;
    font-weight: 700;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--ba-primary);
    display: inline-block;
}
.ba-body--classic .ba-hero__title {
    letter-spacing: -0.01em;
    font-weight: 700;
}
.ba-body--classic .ba-footer { border-top: 2px solid var(--ba-primary); }
.ba-body--classic .ba-stats {
    border-bottom: 2px solid var(--ba-primary);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
    .ba-nav { padding: 0 16px; height: 56px; }
    .ba-nav__logo { height: 28px; }

    .ba-stats { flex-wrap: wrap; }
    .ba-stats__item { flex: 1 1 33.33%; min-width: 100px; padding: 16px 12px; }
    .ba-stats__value { font-size: 22px; }

    .ba-hero { min-height: 240px; }
    .ba-hero__overlay { padding: 48px 16px 28px; }
    .ba-hero__title { font-size: 26px; }
    .ba-hero__desc { font-size: 14px; }

    .ba-main { padding: 28px 16px; }

    .ba-course-card { flex: 0 0 240px; }
    .ba-course-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 12px;
    }

    .ba-track-header { padding: 28px 16px 24px; }
    .ba-track-header__title { font-size: 24px; }

    .ba-footer { padding: 24px 16px; }

    /* Login responsive */
    .ba-login--split-left,
    .ba-login--split-right {
        flex-direction: column;
    }
    .ba-login--split-left .ba-login__image,
    .ba-login--split-right .ba-login__image {
        width: 100%;
        min-height: 200px;
        max-height: 30vh;
    }
    .ba-login--split-left .ba-login__content,
    .ba-login--split-right .ba-login__content {
        width: 100%;
        min-height: auto;
        padding: 32px 16px;
    }

    .ba-login__box { padding: 28px 20px; max-width: 360px; }
    .ba-login__title { font-size: 20px; }

    /* Plans responsive */
    .ba-plans-page { padding: 48px 16px 32px; }
    .ba-plans-page__title { font-size: 24px; }
    .ba-plans-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .ba-plan-card__price-current { font-size: 32px; }

    /* Cards template mobile */
    .ba-body--cards .ba-nav { margin: 8px 8px 0; border-radius: 12px; }
}

@media (max-width: 480px) {
    .ba-course-card { flex: 0 0 200px; }
    .ba-course-card__title { font-size: 13px; }
    .ba-hero__title { font-size: 22px; }
    .ba-login__tabs { flex-direction: column; gap: 3px; }
    .ba-form-row { flex-direction: column; align-items: flex-start; gap: 8px; }
    .ba-stats__item { flex: 1 1 50%; }
}