/* ============================================================
   WeekCalendar — недельный календарь.
   Desktop: сетка 8 колонок (часы + 7 дней), 15 часовых рядов.
   Mobile: переключатель дней сверху + одна колонка выбранного дня.
   ============================================================ */

/* ---- Toolbar над календарём (страница) ---- */

.cal-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.cal-toolbar__filter {
    min-width: 260px;
    max-width: 340px;
    flex: 0 1 auto;
}

.cal-toolbar__state {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--text-light);
}


.week-cal {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* ---- Header ---- */

.week-cal__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-light);
    gap: 1rem;
    flex-wrap: wrap;
}

.week-cal__title-group {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.week-cal__nav-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-alt);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.week-cal__nav-btn:hover {
    background: var(--bg-card);
    color: var(--text);
    border-color: var(--border);
}

.week-cal__title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
    text-transform: capitalize;
    min-width: 180px;
    text-align: center;
}

.week-cal__today {
    border: 1px solid var(--border-light);
    background: transparent;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.week-cal__today:hover {
    background: var(--text);
    color: var(--bg-card);
    border-color: var(--text);
}

/* ---- Mobile day switcher ---- */

.week-cal__day-switcher {
    display: none;
    padding: 0.75rem;
    gap: 0.4rem;
    border-bottom: 1px solid var(--border-light);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.week-cal__day-switcher::-webkit-scrollbar {
    display: none;
}

.week-cal__day-btn {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    min-width: 52px;
    padding: 0.45rem 0.4rem;
    border-radius: 14px;
    border: 1px solid var(--border-light);
    background: transparent;
    color: var(--text-light);
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.week-cal__day-btn-name {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.week-cal__day-btn-date {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.02em;
}

.week-cal__day-btn.is-today .week-cal__day-btn-date {
    color: var(--accent);
}

.week-cal__day-btn.is-active {
    background: var(--text);
    border-color: var(--text);
    color: var(--bg-card);
}

.week-cal__day-btn.is-active .week-cal__day-btn-date,
.week-cal__day-btn.is-active .week-cal__day-btn-name {
    color: var(--bg-card);
}

/* ---- Grid ---- */

.week-cal__grid-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.week-cal__grid {
    --wc-hour-row: 64px;
    display: grid;
    grid-template-columns: 56px repeat(7, minmax(110px, 1fr));
    grid-template-rows: 44px calc(var(--wc-hour-row) * var(--wc-hours, 14));
    min-width: 826px;
    position: relative;
}

.week-cal__corner {
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-alt);
}

.week-cal__day-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.1rem;
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-alt);
    padding: 0.4rem 0.5rem;
}

.week-cal__day-header:last-child {
    border-right: 0;
}

.week-cal__day-name {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.week-cal__day-date {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.02em;
}

.week-cal__day-header.is-today {
    background: rgba(255, 107, 53, 0.08);
}

.week-cal__day-header.is-today .week-cal__day-date {
    color: var(--accent);
}

/* ---- Hours column ---- */

.week-cal__hours {
    grid-column: 1;
    grid-row: 2;
    display: grid;
    grid-template-rows: repeat(var(--wc-hours, 14), var(--wc-hour-row));
    border-right: 1px solid var(--border-light);
}

.week-cal__hour-label {
    font-family: var(--font-body);
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 0.25rem 0.45rem 0 0.5rem;
    text-align: right;
    border-bottom: 1px dashed var(--border-light);
}

.week-cal__hour-label:last-child {
    border-bottom: 0;
}

/* ---- Day column with slots + events ---- */

.week-cal__day-col {
    grid-row: 2;
    position: relative;
    display: grid;
    grid-template-rows: repeat(var(--wc-hours, 14), var(--wc-hour-row));
    border-right: 1px solid var(--border-light);
}

.week-cal__day-col:last-child {
    border-right: 0;
}

.week-cal__day-col:nth-child(3) { grid-column: 2; }
.week-cal__day-col:nth-child(4) { grid-column: 3; }
.week-cal__day-col:nth-child(5) { grid-column: 4; }
.week-cal__day-col:nth-child(6) { grid-column: 5; }
.week-cal__day-col:nth-child(7) { grid-column: 6; }
.week-cal__day-col:nth-child(8) { grid-column: 7; }
.week-cal__day-col:nth-child(9) { grid-column: 8; }

.week-cal__slot {
    border-bottom: 1px dashed var(--border-light);
    cursor: default;
    transition: background-color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.week-cal__slot:last-child {
    border-bottom: 0;
}

.week-cal__slot.is-clickable {
    cursor: pointer;
}

.week-cal__slot.is-clickable:hover {
    background: rgba(255, 107, 53, 0.05);
}

/* ---- Event ---- */

.week-cal__event {
    position: absolute;
    left: 4px;
    right: 4px;
    border-radius: 10px;
    padding: 0.35rem 0.55rem;
    color: #fff;
    font-family: var(--font-body);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-height: 22px;
    z-index: 2;
    container-type: size;
    container-name: wc-event;
}

.week-cal__event:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    z-index: 3;
}

.week-cal__event-head {
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    min-width: 0;
}

.week-cal__event-time {
    font-size: 0.7rem;
    font-weight: 600;
    opacity: 0.95;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}

.week-cal__event-title {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex: 1 1 auto;
}

.week-cal__event-student {
    font-size: 0.7rem;
    opacity: 0.9;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.week-cal__event-key {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.week-cal__event-key svg {
    width: 10px;
    height: 10px;
}

/* ---- Адаптивные режимы события ---- */

/* compact: < 52px — только время + тема в одну строку */
@container wc-event (max-height: 52px) {
    .week-cal__event {
        padding: 0.25rem 0.45rem;
        gap: 0;
    }

    .week-cal__event-head {
        align-items: center;
        height: 100%;
    }

    .week-cal__event-title {
        font-size: 0.76rem;
    }

    .week-cal__event-student {
        display: none;
    }

    .week-cal__event-key {
        top: 3px;
        right: 3px;
        width: 14px;
        height: 14px;
    }

    .week-cal__event-key svg {
        width: 8px;
        height: 8px;
    }
}

/* medium: 52px..72px — шапка в 2 строки, без имени ученика */
@container wc-event (min-height: 52.01px) and (max-height: 72px) {
    .week-cal__event-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 1px;
    }

    .week-cal__event-student {
        display: none;
    }
}

/* large: > 72px — всё видно */
@container wc-event (min-height: 72.01px) {
    .week-cal__event-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 1px;
    }

    .week-cal__event-title {
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
}

.week-cal__event--scheduled { background: linear-gradient(135deg, #FF6B35 0%, #FF8A5B 100%); }
.week-cal__event--completed { background: linear-gradient(135deg, #22C55E 0%, #34D399 100%); }
.week-cal__event--cancelled {
    background: repeating-linear-gradient(135deg,
        rgba(148, 163, 184, 0.9) 0px,
        rgba(148, 163, 184, 0.9) 6px,
        rgba(148, 163, 184, 0.65) 6px,
        rgba(148, 163, 184, 0.65) 12px);
    color: #fff;
    text-decoration: line-through;
}
.week-cal__event--noshow { background: linear-gradient(135deg, #EF4444 0%, #F87171 100%); }

.week-cal__event.is-key {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.85), 0 4px 12px rgba(255, 107, 53, 0.35);
}

/* ---- Now line ---- */

.week-cal__now-line {
    position: absolute;
    left: -2px;
    right: -2px;
    height: 2px;
    background: #EF4444;
    z-index: 4;
    pointer-events: none;
}

.week-cal__now-dot {
    position: absolute;
    left: -5px;
    top: -4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #EF4444;
}

/* ---- Mobile: day-view ---- */

@media (max-width: 768px) {
    .week-cal__day-switcher {
        display: flex;
    }

    .week-cal__grid {
        grid-template-columns: 48px 1fr !important;
        grid-template-rows: 0 calc(var(--wc-hour-row) * var(--wc-hours, 14));
        min-width: 0;
    }

    .week-cal__corner,
    .week-cal__day-header {
        display: none;
    }

    .week-cal__hours {
        grid-column: 1;
        grid-row: 2;
    }

    .week-cal__day-col {
        display: none;
        grid-column: 2 !important;
        grid-row: 2;
        border-right: 0;
    }

    .week-cal__day-col.is-mobile-active {
        display: grid;
    }

    .week-cal__title {
        min-width: 140px;
        font-size: 0.95rem;
    }

    .week-cal__nav-btn {
        width: 44px;
        height: 44px;
    }

    .week-cal__today {
        min-height: 44px;
    }

    .week-cal__day-btn {
        min-height: 44px;
    }
}

/* ============================================================
   LessonDetailsDialog — карточка урока в модалке.
   ============================================================ */

.lesson-details {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    font-family: var(--font-body);
    color: var(--text);
}

.lesson-details__row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.lesson-details__row .mud-icon-root {
    color: var(--text-muted);
}

.lesson-details__topic {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
}

.lesson-details__desc {
    margin-top: 0.25rem;
    padding: 0.65rem 0.85rem;
    border-radius: 12px;
    background: var(--bg-alt);
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
    white-space: pre-wrap;
}

.lesson-details__materials {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lesson-details__materials-title {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.lesson-details__material-row {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.75rem;
    border-radius: 12px;
    background: var(--bg-alt);
    border: 1px solid var(--glass-border);
}

.lesson-details__material-info {
    flex: 1 1 auto;
    min-width: 0;
}

.lesson-details__material-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lesson-details__material-meta {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ============================================================
   Lesson exercises (R17.1) — заготовки упражнений в карточке урока.
   Тот же визуальный стиль, что у материалов: плотный список
   полупрозрачных строк с действиями справа.
   ============================================================ */

.lesson-details__exercises {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lesson-details__exercise-row {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.75rem;
    border-radius: 12px;
    background: var(--bg-alt);
    border: 1px solid var(--glass-border);
}

.lesson-details__exercise-info {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.lesson-details__exercise-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.lesson-details__exercise-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lesson-details__exercise-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
    flex-shrink: 0;
}

/* ============================================================
   ViewModeSwitcher — пилюли Список / Календарь / Двойной.
   Используется на /teacher/schedule и /dashboard/schedule.
   ============================================================ */

.view-mode-switcher {
    display: inline-flex;
    align-items: stretch;
    gap: 4px;
    padding: 4px;
    border-radius: 100px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--glass-shadow);
}

.view-mode-switcher__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 100px;
    border: none;
    background: transparent;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    transition: background-color .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease);
    white-space: nowrap;
}

.view-mode-switcher__btn .mud-icon-root {
    width: 18px;
    height: 18px;
    font-size: 18px;
}

.view-mode-switcher__btn:hover:not(.is-active):not(.is-disabled):not([disabled]) {
    background: var(--accent-light);
    color: var(--accent);
}

.view-mode-switcher__btn.is-active {
    background: var(--text);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.view-mode-switcher__btn.is-active .mud-icon-root {
    color: #fff;
}

.view-mode-switcher__btn.is-disabled,
.view-mode-switcher__btn[disabled] {
    opacity: 0.45;
    cursor: not-allowed;
    color: var(--text-muted);
}

/* Touch-target ≥44px на планшетах/телефонах (брендбук §8) */
@media (max-width: 768px) {
    .view-mode-switcher__btn {
        min-height: 44px;
    }
}

/* На совсем узких экранах скрываем подписи, оставляем иконки */
@media (max-width: 480px) {
    .view-mode-switcher__btn span {
        display: none;
    }

    .view-mode-switcher__btn {
        padding: 8px 12px;
        min-width: 44px;
        justify-content: center;
    }
}

/* ============================================================
   Schedule page layout (teacher / student).
   Верхняя полоса (KPI + quick-ссылки + переключатель) и три
   режима тела: list / calendar / split.
   ============================================================ */

.schedule-top {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.schedule-top__kpis {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.schedule-top__quick {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.schedule-top__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.25rem;
}

/* ============================================================
   Брендовая пилюля быстрого доступа (.schedule-top__quick / actions).
   Два варианта: --primary (акцент-оранж filled) и --secondary
   (оранж-outlined). По §186/§133 BRAND_BOOK.md.
   ============================================================ */

.schedule-quick-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 100px;
    border: 1px solid transparent;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: background-color .18s var(--ease),
                color .18s var(--ease),
                border-color .18s var(--ease),
                box-shadow .18s var(--ease),
                transform .18s var(--ease);
}

.schedule-quick-btn svg {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

/* --- Primary: бренд-градиент (главный CTA) --- */
.schedule-quick-btn--primary {
    background: linear-gradient(135deg, #FF6B35 0%, #F7931E 50%, #FFB347 100%);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 20px -4px rgba(255, 107, 53, 0.5);
}

.schedule-quick-btn--primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px -4px rgba(255, 107, 53, 0.6);
}

.schedule-quick-btn--primary:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px -2px rgba(255, 107, 53, 0.45);
}

.schedule-quick-btn--primary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.35),
                0 6px 20px -4px rgba(255, 107, 53, 0.5);
}

/* --- Secondary: ghost без рамки, оранжевая иконка --- */
.schedule-quick-btn--secondary {
    background: transparent;
    color: var(--text);
    border-color: transparent;
    padding: 0.625rem 1.1rem;
}

.schedule-quick-btn--secondary svg {
    color: var(--accent);
    transition: transform .2s var(--ease);
}

.schedule-quick-btn--secondary:hover {
    background: var(--accent-light);
    color: var(--accent);
    border-color: transparent;
}

.schedule-quick-btn--secondary:hover svg {
    transform: scale(1.1);
}

.schedule-quick-btn--secondary:active {
    background: rgba(255, 107, 53, 0.18);
}

.schedule-quick-btn--secondary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.18);
}

.schedule-quick-btn:disabled,
.schedule-quick-btn.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.schedule-quick-btn:disabled:hover,
.schedule-quick-btn.is-disabled:hover {
    transform: none !important;
    background: transparent;
}

/* ============================================================
   Schedule tabs (Предстоящие / Прошедшие) — та же стилистика D:
   активный = градиент, неактивный = ghost с оранжевой иконкой.
   ============================================================ */

.schedule-tabs {
    display: inline-flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 4px;
    background: var(--bg-alt);
    border-radius: 100px;
    border: 1px solid var(--border-light);
}

.schedule-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.15rem;
    border: 0;
    border-radius: 100px;
    background: transparent;
    color: var(--text-light);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color .18s var(--ease),
                color .18s var(--ease),
                box-shadow .18s var(--ease),
                transform .18s var(--ease);
}

.schedule-tab svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--accent);
    transition: transform .2s var(--ease);
}

.schedule-tab:hover:not(.is-active) {
    color: var(--accent);
    background: var(--accent-light);
}

.schedule-tab:hover:not(.is-active) svg {
    transform: scale(1.1);
}

.schedule-tab.is-active {
    background: var(--text);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.schedule-tab.is-active svg {
    color: #fff;
}

.schedule-tab:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.28);
}

@media (max-width: 768px) {
    .schedule-tab {
        min-height: 44px;
        padding: 0.6rem 1rem;
    }
}

@media (max-width: 768px) {
    .schedule-quick-btn {
        min-height: 44px;
        padding: 0.625rem 1.1rem;
    }
}

@media (max-width: 480px) {
    .schedule-quick-btn {
        font-size: 0.85rem;
        padding: 0.6rem 1rem;
    }
}

@media (max-width: 768px) {
    .schedule-top__kpis {
        grid-template-columns: 1fr;
    }

    .schedule-top__actions {
        flex-direction: column;
        align-items: stretch;
    }
}

.schedule-body {
    min-height: 400px;
}

/* --- Split layout: слева список, справа календарь --- */
.schedule-body--split {
    display: grid;
    grid-template-columns: minmax(320px, 420px) 1fr;
    gap: 1.5rem;
    align-items: start;
}

.schedule-body--split .schedule-list-wrap {
    max-height: calc(100vh - 320px);
    overflow-y: auto;
    position: sticky;
    top: 1rem;
}

.schedule-body--split .schedule-list-wrap::-webkit-scrollbar {
    width: 6px;
}

.schedule-body--split .schedule-list-wrap::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

/* Split недоступен &lt; 1200px — в EffectiveMode уже будет List, но подстрахуемся */
@media (max-width: 1199px) {
    .schedule-body--split {
        grid-template-columns: 1fr;
    }

    .schedule-body--split .schedule-list-wrap {
        max-height: none;
        overflow-y: visible;
        position: static;
    }
}

/* ============================================================
   LessonCard (R9) — унифицированная карточка урока для Schedule.
   Убрали оранжевую полоску слева. Статус передаётся semantic-цветом
   бейджа. Оранжевый — только у primary CTA, чтобы сохранять
   иерархию внимания (см. фикс «Слишком много оранджевого»).
   ============================================================ */

.lesson-card {
    --lc-accent: #3B82F6;          /* upcoming — по умолчанию */
    --lc-accent-bg: rgba(59, 130, 246, 0.1);

    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.lesson-card:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--border);
}

/* Кликабельные карточки в списке (есть OnViewDetails, и урок не отменён).
   Показываем pointer и слегка усиливаем hover-фидбэк, чтобы было понятно: на карточку можно жать. */
.lesson-card--clickable {
    cursor: pointer;
}
.lesson-card--clickable:hover {
    border-color: var(--lc-accent);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transform: translateY(-1px);
    transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.lesson-card--compact {
    padding: 1rem 1.15rem;
    gap: 0.65rem;
    border-radius: var(--radius-md);
}

/* ── Status skins ─────────────────────────────────────────── */

.lesson-card--ongoing {
    --lc-accent: #10B981;
    --lc-accent-bg: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.35);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.08);
}

.lesson-card--upcoming {
    --lc-accent: #3B82F6;
    --lc-accent-bg: rgba(59, 130, 246, 0.1);
}

.lesson-card--completed {
    --lc-accent: #6B7280;
    --lc-accent-bg: rgba(107, 114, 128, 0.1);
    opacity: 0.92;
}

.lesson-card--noshow {
    --lc-accent: #F59E0B;
    --lc-accent-bg: rgba(245, 158, 11, 0.12);
}

.lesson-card--cancelled {
    --lc-accent: #EF4444;
    --lc-accent-bg: rgba(239, 68, 68, 0.1);
    opacity: 0.75;
}

.lesson-card--cancelled .lesson-card__title {
    text-decoration: line-through;
    text-decoration-color: rgba(239, 68, 68, 0.5);
}

/* Ключевой урок — тонкая золотая рамка поверх status-цвета */
.lesson-card--key {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.08);
}

/* ── Head ─────────────────────────────────────────────────── */

.lesson-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.lesson-card__head-main {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
    flex: 1 1 auto;
}

.lesson-card__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.lesson-card--compact .lesson-card__title {
    font-size: 0.98rem;
    -webkit-line-clamp: 1;
}

.lesson-card__person {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-light);
    font-family: var(--font-body);
}

.lesson-card__person svg {
    flex-shrink: 0;
    color: var(--text-light);
}

/* ── Badges container (статус + мини-бейдж материалов) ──── */

.lesson-card__badges {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.lesson-card__mini-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.55rem;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-light);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    font-family: var(--font-body);
    white-space: nowrap;
}

.lesson-card__mini-badge svg {
    color: var(--text-light);
    flex-shrink: 0;
}

/* ── Badge ────────────────────────────────────────────────── */

.lesson-card__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.7rem;
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    white-space: nowrap;
    background: var(--lc-accent-bg);
    color: var(--lc-accent);
    flex-shrink: 0;
}

.lesson-card__pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--lc-accent);
    position: relative;
}

.lesson-card__pulse::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: var(--lc-accent);
    opacity: 0.4;
    animation: lesson-card-pulse 1.6s ease-out infinite;
}

@keyframes lesson-card-pulse {
    0%   { transform: scale(0.9); opacity: 0.5; }
    70%  { transform: scale(1.8); opacity: 0; }
    100% { transform: scale(1.8); opacity: 0; }
}

/* ── Meta (дата, время, ключевой) ─────────────────────────── */

.lesson-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    color: var(--text-light);
    font-size: 0.85rem;
    font-family: var(--font-body);
}

.lesson-card__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.lesson-card__meta-item svg {
    color: var(--text-light);
    flex-shrink: 0;
}

.lesson-card__meta-item--key {
    color: #D97706;
}

.lesson-card__meta-item--key svg {
    color: #D97706;
}

/* ── Description / note ───────────────────────────────────── */

.lesson-card__desc {
    margin: 0;
    color: var(--text-light);
    font-size: 0.9rem;
    font-family: var(--font-body);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lesson-card__note {
    display: flex;
    gap: 0.6rem;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-family: var(--font-body);
    line-height: 1.45;
}

.lesson-card__note--cancelled {
    background: rgba(239, 68, 68, 0.08);
    color: #B91C1C;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.lesson-card__note--cancelled svg {
    color: #DC2626;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ── Actions ──────────────────────────────────────────────── */

.lesson-card__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.lesson-card__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
    min-height: 40px;
}

.lesson-card__btn--primary {
    background: linear-gradient(135deg, #FF6B35 0%, #F7931E 50%, #FFB347 100%);
    color: #fff;
    box-shadow: 0 4px 14px -3px rgba(255, 107, 53, 0.45);
}

.lesson-card__btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px -3px rgba(255, 107, 53, 0.55);
}

.lesson-card__btn--primary:active {
    transform: translateY(0);
}

.lesson-card__btn--primary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.25);
}

.lesson-card__btn--secondary {
    background: transparent;
    color: var(--text);
    border-color: var(--border-light);
}

.lesson-card__btn--secondary svg {
    color: var(--accent);
    transition: transform 0.2s ease;
}

.lesson-card__btn--secondary:hover {
    background: var(--accent-light);
    border-color: transparent;
}

.lesson-card__btn--secondary:hover svg {
    transform: scale(1.1);
}

/* Dotted menu — сглаживаем MudBlazor IconButton под брендбук */
.lesson-card__menu .mud-icon-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--text-light);
    transition: background 0.2s ease, color 0.2s ease;
}

.lesson-card__menu .mud-icon-button:hover {
    background: var(--accent-light);
    color: var(--accent);
}

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 768px) {
    .lesson-card {
        padding: 1rem 1.15rem;
    }

    .lesson-card__head {
        flex-direction: column;
        align-items: flex-start;
    }

    .lesson-card__badge {
        align-self: flex-start;
    }

    .lesson-card__btn {
        min-height: 44px;
    }

    .lesson-card__menu .mud-icon-button {
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .lesson-card__actions {
        flex-wrap: wrap;
    }

    .lesson-card__btn {
        width: 100%;
        justify-content: center;
    }
}