/* ==========================================================================
   Student Dashboard — styles
   Цветовая схема адаптирована под Thrive Themes (тёплая нейтральная палитра)
   ========================================================================== */

/* --- Variables ----------------------------------------------------------- */
:root {
    --sd-primary:        #7c6f5a;
    --sd-primary-dark:   #5f5445;
    --sd-primary-light:  #f5f0ea;
    --sd-success:        #4a7c59;
    --sd-warning:        #b07d3a;
    --sd-danger:         #9e3a3a;
    --sd-bg:             #faf8f5;
    --sd-card-bg:        #ffffff;
    --sd-sidebar-bg:     #1e293b;
    --sd-sidebar-text:   #cbd5e1;
    --sd-sidebar-active: #ffffff;
    --sd-border:         #e8e0d5;
    --sd-text:           #2d2418;
    --sd-text-muted:     #7a6f62;
    --sd-radius:         10px;
    --sd-radius-sm:      6px;
    --sd-shadow:         0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.05);
    --sd-transition:     .2s ease;
    --sd-font:           inherit;
}

/* --- Reset --------------------------------------------------------------- */
.sd-dashboard *, .sd-dashboard *::before, .sd-dashboard *::after { box-sizing: border-box; }
.sd-hidden { display: none !important; }

/* --- Layout -------------------------------------------------------------- */
.sd-dashboard {
    display: flex;
    min-height: 600px;
    max-width: 1200px;
    margin: 32px auto;
    background: var(--sd-card-bg);
    border-radius: var(--sd-radius);
    box-shadow: var(--sd-shadow);
    overflow: hidden;
    font-family: var(--sd-font);
    color: var(--sd-text);
}

/* --- Sidebar ------------------------------------------------------------- */
.sd-sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--sd-sidebar-bg);
    display: flex;
    flex-direction: column;
}

.sd-user-info {
    padding: 32px 20px 24px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.sd-avatar-wrap, .sd-avatar-upload-wrap { display: inline-block; position: relative; }

.sd-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255,255,255,.2);
    display: block;
    margin: 0 auto 12px;
}

.sd-avatar-large {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--sd-border);
    display: block;
    margin-bottom: 12px;
}

.sd-user-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--sd-sidebar-active);
    margin-bottom: 4px;
}

.sd-user-email {
    font-size: 12px;
    color: var(--sd-sidebar-text);
    word-break: break-all;
}

/* --- Navigation ---------------------------------------------------------- */
.sd-nav {
    flex: 1;
    padding: 16px 0;
}

.sd-nav__item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--sd-sidebar-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: background var(--sd-transition), color var(--sd-transition);
    border-left: 3px solid transparent;
    cursor: pointer;
}

.sd-nav__item:hover {
    background: rgba(255,255,255,.06);
    color: var(--sd-sidebar-active);
}

.sd-nav__item.is-active {
    background: rgba(255,255,255,.1);
    color: var(--sd-sidebar-active);
    border-left-color: var(--sd-primary);
}

/* Icons (SVG via background or emoji fallbacks) */
.sd-nav__icon { font-size: 18px; width: 20px; text-align: center; }
.sd-icon-user::before      { content: "👤"; }
.sd-icon-courses::before   { content: "📚"; }
.sd-icon-payments::before  { content: "💳"; }
.sd-icon-comments::before  { content: "💬"; }
.sd-icon-support::before   { content: "🎧"; }

/* --- Content Area -------------------------------------------------------- */
.sd-content {
    flex: 1;
    padding: 36px 40px;
    background: var(--sd-bg);
    overflow-y: auto;
    min-width: 0;
}

.sd-tab__title {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 28px;
    color: var(--sd-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* --- Profile Tab --------------------------------------------------------- */
.sd-profile-avatar-section {
    margin-bottom: 8px;
}

.sd-avatar-hint {
    font-size: 12px;
    color: var(--sd-text-muted);
    margin-top: 6px;
}

.sd-avatar-feedback {
    font-size: 13px;
    margin-top: 8px;
    min-height: 20px;
}

.sd-field-group {
    margin-bottom: 20px;
}

.sd-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--sd-text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.sd-value {
    font-size: 15px;
    color: var(--sd-text);
}

.sd-divider {
    border: 0;
    border-top: 1px solid var(--sd-border);
    margin: 24px 0;
}

/* --- Form ---------------------------------------------------------------- */
.sd-form__heading {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 20px;
}

.sd-form__row { margin-bottom: 20px; }
.sd-form__row--2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.sd-form__group { display: flex; flex-direction: column; }

.sd-input, .sd-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--sd-border);
    border-radius: var(--sd-radius-sm);
    font-size: 14px;
    font-family: inherit;
    color: var(--sd-text);
    background: var(--sd-card-bg);
    transition: border-color var(--sd-transition), box-shadow var(--sd-transition);
    outline: none;
}

.sd-input:focus, .sd-textarea:focus {
    border-color: var(--sd-primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}

.sd-textarea { resize: vertical; min-height: 120px; }

.sd-input-wrap { position: relative; }
.sd-input-wrap .sd-input { padding-right: 40px; }
.sd-eye-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    opacity: .6;
    padding: 0;
    line-height: 1;
}
.sd-eye-toggle:hover { opacity: 1; }

.sd-form__actions { margin-top: 8px; }

.sd-form__feedback {
    margin-top: 14px;
    font-size: 14px;
    min-height: 20px;
    border-radius: var(--sd-radius-sm);
    padding: 0;
    transition: all var(--sd-transition);
}
.sd-form__feedback.is-success {
    color: var(--sd-success);
    background: #f0fdf4;
    padding: 10px 14px;
}
.sd-form__feedback.is-error {
    color: var(--sd-danger);
    background: #fef2f2;
    padding: 10px 14px;
}

/* --- Buttons ------------------------------------------------------------- */
.sd-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--sd-radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    transition: all var(--sd-transition);
    line-height: 1.4;
}

.sd-btn--primary {
    background: var(--sd-primary);
    color: #fff;
}
.sd-btn--primary:hover { background: var(--sd-primary-dark); color: #fff; }

.sd-btn--outline {
    background: transparent;
    border-color: var(--sd-primary);
    color: var(--sd-primary);
}
.sd-btn--outline:hover { background: var(--sd-primary-light); }

.sd-btn--sm { padding: 6px 14px; font-size: 13px; }

.sd-btn:disabled {
    opacity: .6;
    cursor: not-allowed;
}

/* --- Stats Cards --------------------------------------------------------- */
.sd-stats-row {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.sd-stat-card {
    background: var(--sd-card-bg);
    border: 1px solid var(--sd-border);
    border-radius: var(--sd-radius);
    padding: 20px 24px;
    min-width: 160px;
    flex: 1;
}

.sd-stat-card__value {
    font-size: 24px;
    font-weight: 700;
    color: var(--sd-primary);
    margin-bottom: 4px;
}

.sd-stat-card__label {
    font-size: 13px;
    color: var(--sd-text-muted);
}

/* --- Payments Table ----------------------------------------------------- */
.sd-payments-table-wrap { overflow-x: auto; margin-top: 8px; }

.sd-payments-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    background: var(--sd-card-bg);
    border-radius: var(--sd-radius);
    overflow: hidden;
    box-shadow: var(--sd-shadow);
}

.sd-payments-table thead {
    background: var(--sd-primary-light);
}
.sd-payments-table th {
    padding: 11px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--sd-text-muted);
    white-space: nowrap;
}
.sd-payments-table td {
    padding: 14px 16px;
    border-top: 1px solid var(--sd-border);
    vertical-align: top;
}
.sd-payments-table tbody tr:hover td { background: var(--sd-bg); }

.sd-pay-date { white-space: nowrap; min-width: 130px; }
.sd-pay-number {
    display: block;
    font-size: 11px;
    color: var(--sd-text-muted);
    margin-top: 3px;
}
.sd-pay-item-name {
    font-size: 14px;
    line-height: 1.5;
    color: var(--sd-text);
}
.sd-pay-item-name + .sd-pay-item-name { margin-top: 4px; }
.sd-pay-item-link {
    color: var(--sd-text);
    text-decoration: none;
    border-bottom: 1px solid var(--sd-border);
    transition: color var(--sd-transition), border-color var(--sd-transition);
}
.sd-pay-item-link:hover {
    color: var(--sd-primary);
    border-bottom-color: var(--sd-primary);
}
.sd-pay-amount {
    white-space: nowrap;
    font-weight: 600;
    color: var(--sd-text);
}
.sd-pay-status { white-space: nowrap; }

.sd-pay-gateway {
    display: block;
    font-size: 11px;
    color: var(--sd-text-muted);
    margin-top: 2px;
}
.sd-pay-free {
    color: var(--sd-success);
    font-weight: 600;
    font-size: 13px;
}
.sd-pay-badge {
    display: inline-block;
    margin-top: 4px;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}
.sd-pay-badge--gift   { background: #fef3c7; color: #92400e; }
.sd-pay-badge--manual { background: var(--sd-primary-light); color: var(--sd-text-muted); }
.sd-pay-unavailable {
    font-size: 11px;
    color: #bbb;
    margin-left: 4px;
    font-style: italic;
}

.sd-order-status {
    display: inline-flex;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}
.sd-order-status--completed  { background: #dcfce7; color: #166534; }
.sd-order-status--processing { background: #dbeafe; color: #1e40af; }
.sd-order-status--pending    { background: #fef9c3; color: #92400e; }
.sd-order-status--cancelled,
.sd-order-status--failed     { background: #fee2e2; color: #991b1b; }

/* --- Courses ------------------------------------------------------------- */
.sd-courses-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.sd-filter-btn {
    padding: 6px 16px;
    border-radius: 50px;
    border: 1.5px solid var(--sd-border);
    background: var(--sd-card-bg);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    color: var(--sd-text-muted);
    transition: all var(--sd-transition);
    font-family: inherit;
}
.sd-filter-btn:hover,
.sd-filter-btn.is-active {
    background: var(--sd-primary);
    border-color: var(--sd-primary);
    color: #fff;
}

.sd-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.sd-course-card {
    background: var(--sd-card-bg);
    border: 1px solid var(--sd-border);
    border-radius: var(--sd-radius);
    overflow: hidden;
    transition: transform var(--sd-transition), box-shadow var(--sd-transition);
}
.sd-course-card:hover { transform: translateY(-2px); box-shadow: var(--sd-shadow); }

.sd-course-card__thumb {
    position: relative;
    overflow: hidden;
    height: 160px;
    background: var(--sd-primary-light);
}
.sd-course-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sd-course-card__status {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
}
.sd-status--not_started { background: rgba(0,0,0,.5); color: #fff; }
.sd-status--in_progress { background: #dbeafe; color: #1e40af; }
.sd-status--completed   { background: #dcfce7; color: #166534; }

.sd-course-card__body { padding: 16px; }

.sd-course-card__title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 8px;
    line-height: 1.4;
}
.sd-course-card__title a { color: var(--sd-text); text-decoration: none; }
.sd-course-card__title a:hover { color: var(--sd-primary); }

.sd-course-card__desc {
    font-size: 13px;
    color: var(--sd-text-muted);
    margin: 0 0 14px;
    line-height: 1.6;
}

.sd-progress-wrap { margin-bottom: 14px; }

.sd-progress-bar {
    background: var(--sd-border);
    border-radius: 50px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 6px;
}
.sd-progress-bar__fill {
    height: 100%;
    background: var(--sd-primary);
    border-radius: 50px;
    transition: width .5s ease;
}

.sd-progress-label {
    font-size: 12px;
    color: var(--sd-text-muted);
}

/* --- Comments ------------------------------------------------------------ */
.sd-comments-list { display: flex; flex-direction: column; gap: 16px; }

.sd-comment {
    background: var(--sd-card-bg);
    border: 1px solid var(--sd-border);
    border-radius: var(--sd-radius);
    padding: 20px;
}

.sd-comment--reply { border-left: 4px solid var(--sd-primary); }

.sd-comment__header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 13px;
}

.sd-comment__post-type {
    background: var(--sd-primary-light);
    color: var(--sd-primary);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
}

.sd-comment__post-link {
    color: var(--sd-text);
    font-weight: 600;
    text-decoration: none;
    flex: 1;
}
.sd-comment__post-link:hover { color: var(--sd-primary); }

.sd-comment__date { color: var(--sd-text-muted); margin-left: auto; }

.sd-comment__parent-quote {
    font-size: 12px;
    color: var(--sd-text-muted);
    background: var(--sd-bg);
    border-radius: 6px;
    padding: 8px 12px;
    margin-bottom: 10px;
    font-style: italic;
}

.sd-comment__body {
    font-size: 14px;
    line-height: 1.7;
    color: var(--sd-text);
    margin-bottom: 12px;
}

.sd-comment__footer { font-size: 13px; }

/* --- Badge --------------------------------------------------------------- */
.sd-badge {
    background: var(--sd-primary);
    color: #fff;
    border-radius: 50px;
    padding: 2px 10px;
    font-size: 13px;
    font-weight: 700;
}

/* --- Support ------------------------------------------------------------- */
.sd-support-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.sd-section-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--sd-border);
}

.sd-tickets-list { display: flex; flex-direction: column; gap: 12px; }

.sd-ticket {
    background: var(--sd-card-bg);
    border: 1px solid var(--sd-border);
    border-radius: var(--sd-radius);
    overflow: hidden;
}

.sd-ticket--closed { opacity: .7; }

.sd-ticket__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px 18px;
    background: var(--sd-bg);
    cursor: pointer;
}

.sd-ticket__title {
    font-size: 14px;
    font-weight: 600;
    display: flex;
    gap: 8px;
    align-items: center;
}

.sd-ticket__id {
    background: var(--sd-primary-light);
    color: var(--sd-primary);
    padding: 1px 7px;
    border-radius: 4px;
    font-size: 12px;
}

.sd-ticket__meta {
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 12px;
    color: var(--sd-text-muted);
}

.sd-ticket__status {
    padding: 2px 9px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
}
.sd-ticket__status--open   { background: #dcfce7; color: #166534; }
.sd-ticket__status--closed { background: var(--sd-border); color: var(--sd-text-muted); }

.sd-ticket__body {
    padding: 14px 18px;
    font-size: 13px;
    line-height: 1.7;
    display: none;
}
.sd-ticket.is-open .sd-ticket__body { display: block; }

.sd-ticket__message { margin-bottom: 14px; }
.sd-ticket__message p, .sd-ticket__reply p { margin: 6px 0 0; color: var(--sd-text-muted); }

.sd-ticket__reply {
    background: var(--sd-primary-light);
    border-radius: var(--sd-radius-sm);
    padding: 12px;
}

.sd-ticket__pending {
    font-style: italic;
    color: var(--sd-text-muted);
}

/* --- Empty state --------------------------------------------------------- */
.sd-empty-state {
    text-align: center;
    padding: 60px 20px;
}
.sd-empty-state__icon { font-size: 56px; margin-bottom: 16px; }
.sd-empty-state__text { font-size: 16px; color: var(--sd-text-muted); }

/* --- Pagination ---------------------------------------------------------- */
.sd-pagination {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 24px;
    justify-content: center;
}

.sd-page-btn {
    padding: 7px 13px;
    border: 1.5px solid var(--sd-border);
    border-radius: var(--sd-radius-sm);
    background: var(--sd-card-bg);
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--sd-transition);
}
.sd-page-btn:hover   { border-color: var(--sd-primary); color: var(--sd-primary); }
.sd-page-btn.is-active { background: var(--sd-primary); border-color: var(--sd-primary); color: #fff; }

/* --- Link ---------------------------------------------------------------- */
.sd-link { color: var(--sd-primary); text-decoration: none; font-size: 13px; }
.sd-link:hover { text-decoration: underline; }
.sd-text-muted { color: var(--sd-text-muted); font-size: 14px; }

/* --- Login notice -------------------------------------------------------- */
.sd-login-notice {
    background: var(--sd-primary-light);
    border: 1px solid var(--sd-primary);
    border-radius: var(--sd-radius);
    padding: 20px 24px;
    font-size: 15px;
    color: var(--sd-primary);
}
.sd-login-notice a { color: var(--sd-primary); font-weight: 700; }

/* --- Responsive ---------------------------------------------------------- */
/* =========================================================================
   RESPONSIVE — двухступенчатая адаптивность
   - Desktop:  >= 1024px  — полный сайдбар + контент
   - Tablet:   768-1023px — узкий сайдбар (только иконки)
   - Mobile:   < 768px    — drawer + bottom nav + одна колонка
   ========================================================================= */

/* По умолчанию (на десктопе) скрываем мобильные UI-элементы */
.sd-mobile-header { display: none; }
.sd-overlay       { display: none; }
.sd-bottom-nav    { display: none; }

/* === TABLET (768-1023px) — узкий сайдбар, только иконки ================== */
@media (max-width: 1023px) {
    .sd-dashboard {
        margin: 16px;
        max-width: none;
    }
    .sd-sidebar {
        width: 80px;
    }
    .sd-user-info {
        padding: 18px 8px 16px;
    }
    .sd-avatar-wrap .sd-avatar {
        width: 44px;
        height: 44px;
    }
    .sd-user-name,
    .sd-user-email {
        display: none;
    }
    .sd-nav__item {
        padding: 14px 0;
        justify-content: center;
        gap: 0;
    }
    .sd-nav__icon {
        font-size: 22px;
    }
    .sd-nav__label {
        display: none;
    }
    .sd-content {
        padding: 24px 22px;
    }

    /* Грид курсов — 2 колонки, не растягиваем сильно */
    .sd-courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 16px;
    }
}

/* === MOBILE (< 768px) — drawer + bottom nav ============================== */
@media (max-width: 767px) {
    /* Контейнер занимает всю ширину */
    .sd-dashboard {
        flex-direction: column;
        margin: 0;
        border-radius: 0;
        box-shadow: none;
        min-height: 100vh;
    }

    /* === Мобильная шапка === */
    .sd-mobile-header {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 10px 14px;
        background: var(--sd-card-bg);
        border-bottom: 1px solid var(--sd-border);
        position: sticky;
        top: 0;
        z-index: 100;
    }
    .sd-drawer-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 28px;
        height: 22px;
        padding: 0;
        background: transparent;
        border: 0;
        cursor: pointer;
        flex-shrink: 0;
    }
    .sd-drawer-toggle__bar {
        display: block;
        height: 3px;
        width: 100%;
        background: var(--sd-text);
        border-radius: 2px;
        transition: transform .25s, opacity .25s;
    }
    .sd-dashboard.is-drawer-open .sd-drawer-toggle__bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .sd-dashboard.is-drawer-open .sd-drawer-toggle__bar:nth-child(2) {
        opacity: 0;
    }
    .sd-dashboard.is-drawer-open .sd-drawer-toggle__bar:nth-child(3) {
        transform: translateY(-10px) rotate(-45deg);
    }
    .sd-mobile-header__title {
        display: flex;
        align-items: center;
        gap: 10px;
        flex: 1;
        min-width: 0;
    }
    .sd-mobile-header__avatar {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        object-fit: cover;
        flex-shrink: 0;
    }
    .sd-mobile-header__name {
        font-size: 14px;
        font-weight: 600;
        color: var(--sd-text);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* === Сайдбар → drawer === */
    .sd-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 280px;
        max-width: 85vw;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform .3s ease;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    .sd-dashboard.is-drawer-open .sd-sidebar {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0,0,0,.18);
    }

    /* В drawer показываем имя и email обратно */
    .sd-user-info { padding: 28px 20px 22px; }
    .sd-avatar-wrap .sd-avatar { width: 70px; height: 70px; }
    .sd-user-name,
    .sd-user-email { display: block; }
    .sd-nav__item {
        padding: 12px 20px;
        justify-content: flex-start;
        gap: 12px;
    }
    .sd-nav__icon { font-size: 18px; }
    .sd-nav__label { display: inline; }

    /* === Затемнение фона при открытом drawer === */
    .sd-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,.45);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity .25s;
    }
    .sd-dashboard.is-drawer-open .sd-overlay {
        opacity: 1;
        pointer-events: auto;
    }

    /* === Контент === */
    .sd-content {
        padding: 18px 14px 90px; /* нижний padding под bottom-nav */
    }

    /* === Bottom navigation === */
    .sd-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--sd-card-bg);
        border-top: 1px solid var(--sd-border);
        padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
        z-index: 90;
        box-shadow: 0 -2px 12px rgba(0,0,0,.06);
    }
    .sd-bottom-nav__item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        padding: 6px 4px;
        text-decoration: none;
        color: var(--sd-text-muted);
        font-size: 11px;
        font-weight: 500;
        line-height: 1.1;
        transition: color var(--sd-transition);
        min-height: 50px;
    }
    .sd-bottom-nav__item.is-active {
        color: var(--sd-primary);
    }
    .sd-bottom-nav__icon {
        font-size: 20px;
        line-height: 1;
    }
    .sd-bottom-nav__label {
        font-size: 10px;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }

    /* === Содержимое вкладок === */

    /* Карточки курсов — одна колонка */
    .sd-courses-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* Двухколоночные формы → одна колонка */
    .sd-form__row--2col,
    .sd-support-layout {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* Таблицы → карточки (одна строка = карточка) */
    .sd-table thead { display: none; }
    .sd-table tr {
        display: block;
        border: 1px solid var(--sd-border);
        border-radius: var(--sd-radius-sm);
        margin-bottom: 12px;
        background: var(--sd-card-bg);
    }
    .sd-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
        padding: 10px 14px;
        border: 0;
        border-bottom: 1px solid var(--sd-border);
        font-size: 13px;
    }
    .sd-table td:last-child { border-bottom: 0; }
    .sd-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--sd-text-muted);
        font-size: 12px;
        flex-shrink: 0;
    }

    /* Фильтры курсов скроллятся горизонтально, не переносятся */
    .sd-course-filters {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        scrollbar-width: none;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
    }
    .sd-course-filters::-webkit-scrollbar { display: none; }
    .sd-filter-btn { white-space: nowrap; flex-shrink: 0; }

    /* Заголовки и общий padding текста — мельче */
    .sd-content h1,
    .sd-content h2:first-child { font-size: 22px; }
    .sd-content h2 { font-size: 18px; }

    /* Кнопки на всю ширину для удобства тапа */
    .sd-btn { padding: 12px 18px; }
    .sd-btn--block-mobile { display: block; width: 100%; }

    /* Профиль — поля шире, отступы меньше */
    .sd-form__group { margin-bottom: 14px; }
    .sd-form__label { font-size: 13px; margin-bottom: 4px; }
    .sd-form__input,
    .sd-form__select,
    .sd-form__textarea {
        font-size: 16px; /* >=16px — iOS не зумит при фокусе */
        padding: 10px 12px;
    }

    /* Карточка избранного — компактнее */
    .sd-favorite-item {
        flex-wrap: wrap;
        gap: 6px;
    }

    /* Тикеты поддержки */
    .sd-ticket-item {
        padding: 12px;
    }
}

/* Когда drawer открыт — блокируем прокрутку body */
body.sd-no-scroll { overflow: hidden; }

/* --- Favorites ----------------------------------------------------------- */
.sd-favorites-group { margin-bottom: 28px; }

.sd-favorites-group__title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--sd-text-muted);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--sd-border);
    margin-bottom: 10px;
}

.sd-favorites-list { display: flex; flex-direction: column; gap: 6px; }

.sd-favorite-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--sd-card-bg);
    border: 1px solid var(--sd-border);
    border-radius: var(--sd-radius-sm);
    padding: 10px 14px;
    transition: box-shadow var(--sd-transition);
}
.sd-favorite-item:hover { box-shadow: var(--sd-shadow); }

.sd-favorite-item__title {
    color: var(--sd-text);
    text-decoration: none;
    font-size: 14px;
    flex: 1;
    margin-right: 12px;
}
.sd-favorite-item__title:hover { color: var(--sd-primary); }

.sd-favorite-remove {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--sd-text-muted);
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all var(--sd-transition);
    line-height: 1;
    flex-shrink: 0;
}
.sd-favorite-remove:hover { background: #fee2e2; color: var(--sd-danger); }

/* Иконка избранного на странице урока */
.sd-bookmark-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: 1.5px solid var(--sd-border);
    border-radius: 50px;
    padding: 6px 16px;
    font-size: 13px;
    cursor: pointer;
    color: var(--sd-text-muted);
    transition: all .25s ease;
    font-family: inherit;
}
.sd-bookmark-btn:hover {
    border-color: var(--sd-primary);
    color: var(--sd-primary);
    background: var(--sd-primary-light);
}
.sd-bookmark-btn.is-active {
    background: var(--sd-primary);
    border-color: var(--sd-primary);
    color: #ffffff;
}
.sd-bookmark-btn.is-active .sd-bookmark-icon {
    filter: brightness(10);  /* делаем эмодзи светлее на тёмном фоне */
}
.sd-bookmark-btn .sd-bookmark-icon { font-size: 15px; }

/* --- Nav icon (emoji, не CSS) ------------------------------------------- */
.sd-nav__icon { font-size: 16px; min-width: 20px; text-align: center; }