/* ==========================================================================
   Practice Page Styles - ИСПРАВЛЕНО ДЛЯ МОБИЛЬНЫХ
   ========================================================================== */

/* === БОКОВАЯ ПАНЕЛЬ СЛЕВА === */

.sidebar-left {
    position: fixed;
    left: 20px;
    top: 0;
    height: 100vh;
    height: 100dvh;
    max-height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: var(--spacing-xl);
    z-index: 100;
}

.author-signature {
    margin-bottom: 30px;
}

.signature-img {
    width: 8px;
    height: 36px;
    opacity: 0.35;
}

.social-sidebar-link {
    display: block;
    transition: opacity var(--transition-fast);
}

.social-sidebar-link:hover {
    opacity: 0.8;
}

.social-sidebar-icon {
    width: 24px;
    height: 24px;
    opacity: 0.35;
}

@media (max-width: 900px) {
    .sidebar-left {
        display: none;
    }
}

/* === ХЛЕБНЫЕ КРОШКИ И ЗАГОЛОВОК === */
.practice-header {
    margin-bottom: 50px;
}

.practice-meta-row{
    display:flex;
    justify-content:flex-end;
    margin-top:12px;
}

.practice-progress-pill{
    padding:8px 12px;
    border-radius:999px;
    font-size:13px;
    color:rgba(255,255,255,0.88);
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,0.12);
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 22px;
}

.breadcrumb-arrow {
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.breadcrumb-arrow:hover {
    opacity: 0.8;
}

.arrow-icon {
    width: 45px;
    height: 14px;
}

.practice-title {
    font-family: var(--font-family-primary);
    font-weight: var(--font-weight-regular);
    font-size: 36px;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1;
}

.breadcrumb-link {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.breadcrumb-link:hover {
    opacity: 0.8;
}

.breadcrumb-separator {
    color: var(--color-text-primary);
    opacity: 1;
}

.breadcrumb-current {
    color: var(--color-text-primary);
    opacity: 0.6;
}

/* === КОНТРОЛЫ НАД ВИДЕО === */
.video-top-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    width: 728px;
    max-width: 100%;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.hand-controls {
    display: flex;
    gap: 10px;
    pointer-events: auto;
}

/* Над плеером: стекло + 12px как landing / profile */
.mode-btn {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 500;
    font-size: 0.8125rem;
    color: rgba(214, 220, 238, 0.88);
    padding: 8px 14px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.035);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
    line-height: 1;
    white-space: nowrap;
    pointer-events: auto;
    position: relative;
    z-index: 11;
}

.mode-btn:hover {
    color: rgba(244, 247, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.055);
}

/* Выбранное состояние у всех переключателей practice одно: плоская приглушённая заливка, без цветной обводки и свечения */
.mode-btn.active {
    color: #ffffff;
    border-color: transparent;
    background: rgba(147, 85, 229, 0.38);
}

.tab-toggle-btn {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 500;
    font-size: 0.8125rem;
    color: rgba(214, 220, 238, 0.88);
    padding: 8px 12px 8px 10px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.035);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1;
    white-space: nowrap;
    pointer-events: auto;
    position: relative;
    z-index: 11;
}

.tab-toggle-btn:hover {
    color: rgba(244, 247, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.055);
}

.tab-toggle-btn.active {
    color: #ffffff;
    border-color: transparent;
    background: rgba(147, 85, 229, 0.38);
}

.tab-icon {
    width: 16px;
    height: 16px;
    opacity: 0.5;
}

.tab-toggle-btn.active .tab-icon,
.tab-toggleBtn:hover .tab-icon {
    opacity: 0.8;
}

.tab-text {
    line-height: 1;
}

/* On mobile, shorten to "Tabs" to prevent overflow */
@media (max-width: 768px) {
    .tab-toggle-btn .tab-icon {
        display:none;
    }
    .tab-toggle-btn .tab-text {
        font-size: 0;
    }
    .tab-toggle-btn .tab-text::after {
        content: 'Tabs';
        font-size: 14px;
        font-family: var(--font-family-primary);
        font-weight: 500;
    }
    html[lang="ru"] .tab-toggle-btn .tab-text::after { content: 'Табы'; }
}

/* === ВИДЕОПЛЭЕР === */
.video-player-container {
    width: 100%;
    margin-bottom: 20px;
    /* ИСПРАВЛЕНИЕ: не перехватываем события */
    pointer-events: none;
}

.video-wrapper {
    position: relative;
    width: 728px;
    max-width: 100%;
    background: #0a0a0f;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 16/9;
    pointer-events: auto;
}

.video-wrapper.video-loading {
    background-size: cover;
    background-position: center;
    background-color: #1a1f33;
}

.video-loading-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 25;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: rgba(0, 0, 0, 0.75);
    border-radius: 16px;
    padding: 24px;
}

.video-loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255, 255, 255, 0.15);
    border-top-color: #9355E5;
    border-radius: 50%;
    animation: video-spin 0.9s linear infinite;
    flex-shrink: 0;
}

@keyframes video-spin {
    to { transform: rotate(360deg); }
}

.video-loading-text {
    margin: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.video-loading-progress-wrap {
    width: 100%;
    max-width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.video-loading-progress-bar {
    height: 100%;
    width: 0%;
    background: #9355E5;
    border-radius: 4px;
    transition: width 0.2s ease;
}

.video-error-state {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 6;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: rgba(0, 0, 0, 0.85);
    border-radius: 16px;
}

.video-error-text {
    margin: 0;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
}

.video-retry-btn {
    padding: 10px 24px;
    background: #6B3DA6;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.video-retry-btn:hover {
    background: #5A2D95;
}

/* Optional visual hint while video is loading (no pointer blocking) */
.riff-timeline.timeline-loading .segment {
    opacity: 0.65;
}

/* Видео элементы */
.video-element {
    position: absolute;
    top: 0;
    left: 0;
    background: #000;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000;
    transition: opacity 0.2s ease;
    z-index: 1;
    /* ИСПРАВЛЕНИЕ: видео может перехватывать клики */
    pointer-events: auto;
}

/* Режимы видео */
.left-mode .video-element.left-hand {
    opacity: 1;
    z-index: 2;
}

.left-mode .video-element.right-hand {
    opacity: 0;
    z-index: 1;
    /* ИСПРАВЛЕНИЕ: скрытое видео не должно перехватывать клики */
    pointer-events: none;
}

.right-mode .video-element.left-hand {
    opacity: 0;
    z-index: 1;
    pointer-events: none;
}

.right-mode .video-element.right-hand {
    opacity: 1;
    z-index: 2;
}

/* Сплит режим */
.split-mode {
    position: relative;
    overflow: hidden;
}

.split-mode .video-element.left-hand {
    opacity: 1;
    z-index: 2;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: auto;
}

.split-mode .video-element.right-hand {
    opacity: 1;
    z-index: 3;
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 30%;
    max-width: 250px;
    height: auto;
    aspect-ratio: 16/9;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.1);
    pointer-events: auto;
}

/* Метка для PIP видео в сплит режиме */
.split-mode .video-element.right-hand::before {
    content: 'Right Hand';
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
    z-index: 4;
    pointer-events: none;
}

/* ПРЕЛОАДЕР ВИДЕО */
.video-preloader {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    border-radius: 16px;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.video-preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: #9355E5;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Оверлей видео: при воспроизведении скрыт, при паузе — десктоп: по hover, мобилка: всегда */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 30;
    transition: opacity 0.25s ease;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    cursor: pointer;
    pointer-events: auto;
}

/* Играет — оверлей скрыт всегда */
.video-wrapper.playing .video-overlay {
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Пауза: десктоп — оверлей только при наведении */
@media (hover: hover) {
    .video-wrapper:not(.playing) .video-overlay {
        opacity: 0;
        pointer-events: none;
    }
    .video-wrapper:not(.playing):hover .video-overlay {
        opacity: 1;
        pointer-events: auto;
    }
}

/* Пауза: мобилка — оверлей виден (тап = play) */
@media (hover: none) {
    .video-wrapper:not(.playing) .video-overlay {
        opacity: 1;
        pointer-events: auto;
    }
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.play-btn {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
    pointer-events: auto;
}

.play-btn:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.05);
}

.play-xl-icon {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}

/* === LESSON MODE BUTTON === */
.lesson-mode-btn {
    position: absolute;
    bottom: 32px;
    right: 12px;
    z-index: 45;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}
.lesson-mode-btn:hover {
    background: rgba(147, 85, 229, 0.6);
    border-color: rgba(147, 85, 229, 0.8);
}
.lesson-mode-btn.active {
    background: #9355E5;
    border-color: #9355E5;
}
.lesson-mode-icon {
    font-size: 16px;
}

/* Lesson mode: одно видео на весь экран */
.video-wrapper.lesson-mode .video-element.left-hand,
.video-wrapper.lesson-mode .video-element.right-hand {
    display: none !important;
}
.video-wrapper.lesson-mode .video-element.lesson-video {
    display: block !important;
    opacity: 1 !important;
    z-index: 2;
}

/* Таймер воспроизведения: отдельный слой в панели под плеером (секунды : мс, end сегмента) */
.practice-timer-layer {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    min-width: 72px;
    padding: 6px 10px;
    background: rgba(0, 0, 0, 0.75);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    pointer-events: none;
}
.practice-timer-time {
    font-family: var(--font-family-primary), monospace;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.06em;
    line-height: 1.2;
}
.practice-timer-seg-end {
    font-family: var(--font-family-primary), monospace;
    font-size: 11px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
}

/* === ТАЙМЛАЙН РИФФА === */
.riff-timeline {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 26px;  /* БЫЛО 24px, СТАЛО 26px */
    background: rgba(0, 0, 0, 0.8);
    border-radius: 12px;
    z-index: 40;
    overflow: visible;
    pointer-events: auto;
}

.timeline-container {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 0 6px;
    pointer-events: auto;
    overflow: visible;
}

.timeline-segments {
    position: absolute;
    top: 50%;
    left: 6px;
    right: 6px;
    transform: translateY(-50%);
    height: 6px;  /* БЫЛО 4px, СТАЛО 6px */
    display: flex;
    gap: 6px;
    pointer-events: auto;
    overflow: visible;
    z-index: 2;
}

.segment {
    flex: 1;
    height: 100%;
    background: color-mix(in srgb, var(--segment-color, #9355E5) 25%, transparent);
    border-radius: 3px;
    position: relative;
    overflow: visible;
    cursor: pointer;
    pointer-events: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.segment.active {
    background: color-mix(in srgb, var(--segment-color, #9355E5) 32%, transparent);
}

/* Стили для заливки сегментов */
.segment-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: color-mix(in srgb, var(--segment-color, #9355E5) 40%, transparent);
    border-radius: 3px;
    transition: width 0.3s linear;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.segment.active .segment-fill {
    background: var(--segment-color, #9355E5);
    box-shadow: 0 0 4px 0 color-mix(in srgb, var(--segment-color, #9355E5) 80%, transparent);
}

/* Стиль для All Riff режима */
.all-riff-active .segment .segment-fill {
    background: var(--segment-color, #9355E5);
}

/* Speed Trainer: компактный бейдж над активной полоской (10px от сегмента) */
.segment-trainer-speed {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(100% + 10px);
    z-index: 4;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.07em;
    line-height: 1.2;
    color: rgba(255, 255, 255, 0.96);
    white-space: nowrap;
    pointer-events: none;
    padding: 5px 11px;
    border-radius: 10px;
    background: rgba(6, 8, 18, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(12px) saturate(1.1);
    -webkit-backdrop-filter: blur(12px) saturate(1.1);
}

.segment.active .segment-trainer-speed {
    border-color: color-mix(in srgb, var(--segment-color, #9355e5) 50%, rgba(255, 255, 255, 0.12));
    box-shadow:
        0 4px 18px rgba(0, 0, 0, 0.55),
        0 0 0 1px color-mix(in srgb, var(--segment-color, #9355e5) 22%, transparent),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

@media (max-width: 480px) {
    .segment-trainer-speed {
        font-size: 11px;
        padding: 4px 9px;
        letter-spacing: 0.06em;
    }
}

/* === ЭЛЕМЕНТЫ УПРАВЛЕНИЯ ВИДЕО (ПОД ПЛЕЕРОМ) === */
.video-controls-below {
    width: 728px;
    max-width: 100%;
    margin-top: 20px;
    /* ИСПРАВЛЕНИЕ: гарантируем кликабельность */
    pointer-events: auto;
    position: relative;
    z-index: 10;
}

.controls-below-container {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
    pointer-events: auto;
}

.practice-tools{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:12px;
}

/* Тёмная размытая дорожка; видимая «кнопка» только у .active */
.practice-modes {
    display: inline-flex;
    align-items: center;
    background: rgba(4, 6, 14, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 4px;
    gap: 2px;
    backdrop-filter: blur(18px) saturate(1.1);
    -webkit-backdrop-filter: blur(18px) saturate(1.1);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

/* Неактивный пункт — без плашки, только текст */
.practice-mode-btn {
    border: none;
    background: transparent;
    box-shadow: none;
    color: rgba(230, 234, 248, 0.72);
    padding: 7px 14px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: 'Inter', system-ui, sans-serif;
    cursor: pointer;
    transition: color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.practice-mode-btn.active {
    background: rgba(147, 85, 229, 0.38);
    color: #ffffff;
    box-shadow: none;
}

.practice-mode-btn:hover:not(.active) {
    background: transparent;
    color: rgba(255, 255, 255, 0.92);
}

.practice-mode-btn.active:hover {
    background: rgba(147, 85, 229, 0.46);
    color: #ffffff;
}

.practice-learned-btn {
    background: rgba(147, 85, 229, 0.12);
    border: 1px solid rgba(147, 85, 229, 0.5);
    color: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 7px 13px;
    font-size: 12px;
    font-weight: 500;
    font-family: 'Inter', system-ui, sans-serif;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.practice-learned-btn:hover{
    background:rgba(147,85,229,0.26);
    border-color:rgba(147,85,229,0.55);
    transform:translateY(-0.5px);
}

.practice-learned-btn.learned{
    background:rgba(76,175,80,0.14);
    border-color:rgba(76,175,80,0.35);
}

/* Overlay контейнер поверх видео для Normal / Speed Trainer / Mark learned */
.practice-tools-overlay{
    position:absolute;
    top:12px;
    right:12px;
    display:flex;
    flex-direction:column;
    align-items:flex-end;
    gap:8px;
    z-index:46;
}

@media (max-width: 768px){
    .practice-tools-overlay{
        top:8px;
        right:8px;
        gap:6px;
    }
}

.control-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    pointer-events: auto;
}

.control-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
    pointer-events: auto;
    position: relative;
    z-index: 11;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.12);
}

.control-btn.active {
    background: var(--color-text-primary);
}

/* Loop active: pulse без свечения */
#loopButton.active {
    animation: loop-pulse 1.8s ease-in-out infinite;
}
@keyframes loop-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.82; }
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.control-btn:disabled:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.08);
}

.control-icon {
    width: 20px;
    height: 20px;
    pointer-events: none;
}

.control-btn.active .control-icon {
    filter: brightness(0) saturate(100%) invert(17%) sepia(15%) saturate(1000%) hue-rotate(210deg) brightness(90%) contrast(85%);
}

.play-control .play-icon,
.play-control .stop-icon {
    width: 20px;
    height: 20px;
    pointer-events: none;
}

.play-control.active .stop-icon {
    filter: brightness(0) saturate(100%) invert(17%) sepia(15%) saturate(1000%) hue-rotate(210deg) brightness(90%) contrast(85%);
}

/* === КНОПКИ УПРАВЛЕНИЯ СЕГМЕНТАМИ === */
.segment-controls-container {
    margin-top: 32px;
    width: 728px;
    max-width: 100%;
    pointer-events: auto;
    position: relative;
    z-index: 10;
}

.segment-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    pointer-events: auto;
    touch-action: manipulation;
}

/* === PRACTICE ONBOARDING OVERLAY === */
.practice-onboarding-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(4, 6, 20, 0.82);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1200;
    box-sizing: border-box;
    padding: max(20px, env(safe-area-inset-top, 0px)) 20px
        calc(max(24px, env(safe-area-inset-bottom, 0px)) + var(--rk-mobile-browser-chrome-bottom, 52px));
}

.practice-onboarding-card {
    background: linear-gradient(180deg, #101225 0%, #050615 100%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    max-width: 420px;
    width: calc(100% - 40px);
    max-height: min(85vh, 560px);
    max-height: min(560px, 85dvh);
    max-height: min(560px, 78svh);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 24px 22px 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7);
    box-sizing: border-box;
}

.practice-onboarding-title {
    font-family: var(--font-family-accent, 'Zen Dots', system-ui);
    font-size: 18px;
    margin: 0 0 14px 0;
    color: var(--color-text-primary);
    letter-spacing: 0.02em;
}

.practice-onboarding-steps {
    list-style: none;
    padding: 0;
    margin: 0 0 18px 0;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.practice-onboarding-steps li {
    margin-bottom: 8px;
}

.practice-onboarding-steps li strong {
    color: var(--color-text-primary);
}

.practice-onboarding-hint{
    margin: 4px 0 16px;
    font-size: 13px;
    color: var(--color-text-tertiary);
    line-height: 1.5;
}

.practice-onboarding-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.onboarding-btn {
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 13px;
    cursor: pointer;
    border: 1px solid transparent;
    font-family: inherit;
}

.onboarding-btn.secondary {
    background: transparent;
    color: var(--color-text-tertiary);
    border-color: rgba(255, 255, 255, 0.18);
}

.onboarding-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.06);
}

.onboarding-btn.primary {
    background: #9355E5;
    color: #fff;
    border-color: #9355E5;
}

.onboarding-btn.primary:hover {
    background: #7B3FC7;
}

/* === Speed Trainer guide (dialog.dna-guide from riff-dna.css; "i" next to the mode) === */
.practice-speed-mode .st-info {
    display: inline-flex; align-items: center; justify-content: center; flex: none;
    width: 32px; height: 32px; margin-left: -6px; padding: 0; border: 0; border-radius: 8px;
    background: none; color: rgba(255, 255, 255, 0.45); cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.practice-speed-mode .st-info:hover { color: rgba(255, 255, 255, 0.92); }
.practice-speed-mode .st-info:focus-visible { outline: 2px solid #cfff55; outline-offset: 0; }
.st-guide { width: min(460px, calc(100vw - 32px)); }
.st-lead { margin: 0 0 4px; color: rgba(255, 255, 255, 0.78); }
.st-step { padding: 16px 0; border-top: 1px solid rgba(255, 255, 255, 0.06); }
.st-step:first-of-type { border-top: 0; }
.st-guide .st-step h3 { margin: 14px 0 4px; color: rgba(255, 255, 255, 0.92); font-size: 15px; font-weight: 600; }
.st-step p { margin: 0; line-height: 1.5; color: rgba(255, 255, 255, 0.62); font-size: 13px; }
/* Pieces of the real controls, drawn small and inert */
.st-demo { display: grid; gap: 14px; padding: 14px; border-radius: 12px; background: rgba(255, 255, 255, 0.035); }
.st-parts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.st-parts span, .st-chip, .st-track span {
    display: flex; align-items: center; justify-content: center; height: 30px; border-radius: 9px;
    color: rgba(230, 234, 248, 0.72); font-size: 12.5px; font-weight: 500; white-space: nowrap;
}
.st-parts span { background: rgba(255, 255, 255, 0.05); }
.st-parts span.on, .st-chip.on, .st-track span.on { background: rgba(147, 85, 229, 0.38); color: #fff; }
.st-timeline { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 3px; margin-top: 30px; }
.st-timeline i { position: relative; height: 6px; border-radius: 3px; background: rgba(255, 255, 255, 0.12); }
.st-timeline i.on { background: #9355E5; }
.st-timeline b {
    position: absolute; left: 50%; bottom: calc(100% + 8px); transform: translateX(-50%);
    padding: 3px 9px; border-radius: 8px; border: 1px solid rgba(255, 255, 255, 0.14); background: rgba(6, 8, 18, 0.78);
    color: #fff; font-size: 11px; font-weight: 700; letter-spacing: 0.07em; white-space: nowrap;
}
.st-ladder { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; padding: 3px; border: 1px solid rgba(255, 255, 255, 0.09); border-radius: 12px; }
.st-ladder div { display: grid; gap: 6px; text-align: center; }
.st-ladder small { padding-bottom: 4px; color: rgba(255, 255, 255, 0.45); font-size: 11.5px; }
.st-track { display: inline-flex; gap: 2px; justify-self: start; padding: 3px; border: 1px solid rgba(255, 255, 255, 0.09); border-radius: 12px; }
.st-track span { padding: 0 12px; }
.st-foot { padding: 12px 20px 20px; border-top: 1px solid rgba(255, 255, 255, 0.06); }
.st-start {
    width: 100%; height: 40px; border: 0; border-radius: 10px; background: #9355E5; color: #fff;
    font: 600 14px/1 'Inter', system-ui, sans-serif; cursor: pointer;
}
.st-start:hover { background: #7B3FC7; }
.st-start:focus-visible { outline: 2px solid #cfff55; outline-offset: 2px; }
@media (max-width: 600px) {
    .st-guide { width: 100vw; }
    .st-foot { padding-bottom: calc(16px + env(safe-area-inset-bottom)); }
}
html[data-theme='light'] .practice-speed-mode .st-info { color: rgba(20, 20, 30, 0.45); }
html[data-theme='light'] .practice-speed-mode .st-info:hover { color: rgba(20, 20, 30, 0.9); }
html[data-theme='light'] .st-lead { color: rgba(20, 20, 30, 0.78); }
html[data-theme='light'] .st-step, html[data-theme='light'] .st-foot { border-color: rgba(20, 20, 30, 0.08); }
html[data-theme='light'] .st-guide .st-step h3 { color: #15151c; }
html[data-theme='light'] .st-step p, html[data-theme='light'] .st-ladder small { color: rgba(20, 20, 30, 0.6); }
html[data-theme='light'] .st-demo { background: rgba(20, 20, 30, 0.04); }
html[data-theme='light'] .st-parts span, html[data-theme='light'] .st-chip, html[data-theme='light'] .st-track span { color: rgba(20, 20, 30, 0.7); }
html[data-theme='light'] .st-parts span { background: rgba(20, 20, 30, 0.05); }
html[data-theme='light'] .st-parts span.on, html[data-theme='light'] .st-chip.on, html[data-theme='light'] .st-track span.on { background: rgba(147, 85, 229, 0.16); color: #15151c; }
html[data-theme='light'] .st-timeline i { background: rgba(20, 20, 30, 0.12); }
html[data-theme='light'] .st-timeline i.on { background: #9355E5; }
html[data-theme='light'] .st-ladder, html[data-theme='light'] .st-track { border-color: rgba(20, 20, 30, 0.1); }

.segment-btn {
    height: 44px;
    min-height: 44px;
    padding: 0 16px;
    border-radius: 12px;
    border: none;
    background: var(--segment-color, #6B3DA6);
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 600;
    font-size: 14px;
    color: #FFFFFF;
    white-space: nowrap;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.segment-btn.all-riff {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(244, 247, 255, 0.92);
    --segment-color: #393148;
}

.segment-btn.active {
    background: #FFFFFF !important;
    color: #393148 !important;
}

.segment-btn.active .segment-icon {
    filter: brightness(0) invert(0.2);
}

.segment-icon {
    width: 18px;
    height: 18px;
}

/* Убираем старые стили для времени */
.segment-time {
    display: none;
}

/* АКТИВНАЯ КНОПКА СЕГМЕНТА - БЕЛЫЙ ФОН, ТЕМНЫЙ ТЕКСТ И ИКОНКИ */
.segment-btn.active {
    background: #FFFFFF !important;
    color: #393148 !important;
}

.segment-btn.active:hover {
    background: #F0F0F0 !important;
}

/* Инвертируем иконки для активных кнопок */
.segment-btn.active .segment-icon {
    filter: brightness(0) saturate(100%) invert(17%) sepia(15%) saturate(1000%) hue-rotate(210deg) brightness(90%) contrast(85%) !important;
}

/* Для All Riff кнопки в активном состоянии */
.segment-btn.all-riff.active {
    background: #FFFFFF !important;
    color: #393148 !important;
}

.segment-btn.all-riff.active:hover {
    background: #F0F0F0 !important;
}

.segment-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.segment-icon {
    width: 18px;
    height: 18px;
    pointer-events: none;
}

.segment-btn .play-icon {
    display: block;
}

.segment-btn .stop-icon {
    display: none;
}

.segment-btn.active .play-icon {
    display: none;
}

.segment-btn.active .stop-icon {
    display: block;
}

.segment-name {
    font-weight: 600;
    color: inherit;
    pointer-events: none;
}

.segment-time {
    font-weight: 400;
    color: inherit;
    opacity: 0.7;
    margin-left: 6px;
    pointer-events: none;
}

/* Для активной кнопки делаем время темным */
.segment-btn.active .segment-time {
    color: #393148 !important;
    opacity: 0.9;
}

/* === RECENTLY PRACTICED === */
.recently-practiced {
    margin-top: 40px;
    width: 100%;
    pointer-events: auto;
}

.riffs-header {
    margin-bottom: 30px;
}

.riffs-title {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-primary);
    margin-bottom: 0;
}

.riffs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--width-riff-card), 1fr));
    gap: 20px;
    justify-content: start;
}

/* === КНОПКИ СКОРОСТИ === */
.speed-controls {
    display: flex;
    gap: 8px;
    margin-left: auto;
    pointer-events: auto;
}

/* Кнопки скорости — тот же glass, что у mode-btn */
.speed-btn {
    height: 44px;
    padding: 0 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.09);
    /* неактивные: × и цифра приглушены */
    color: rgba(255, 255, 255, 0.38);
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
    white-space: nowrap;
    min-width: 52px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    position: relative;
    z-index: 11;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03);
}

.speed-btn:hover:not(.active) {
    color: rgba(255, 255, 255, 0.55);
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.055);
}

.speed-btn.active {
    /* выбранная: × и число полностью белые */
    color: #ffffff;
    border-color: transparent;
    background: rgba(147, 85, 229, 0.38);
}

.speed-btn.active:hover {
    color: #ffffff;
}

/* === НОТИФИКАЦИИ === */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(107, 61, 166, 0.95);
    color: white;
    padding: 12px 20px;
    border-radius: 12px;
    font-family: var(--font-family-primary);
    font-weight: 600;
    font-size: 14px;
    z-index: 10000;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(107, 61, 166, 0.3);
    pointer-events: none;
    backdrop-filter: blur(10px);
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}

/* === АДАПТИВНОСТЬ === */
@media (max-width: 768px) {
    .video-wrapper,
    .video-top-controls,
    .video-controls-below,
    .segment-controls-container {
        width: 100%;
        max-width: 728px;
    }
    
    .practice-title {
        font-size: 28px;
    }
    
    .breadcrumbs {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .video-top-controls {
        flex-direction: row;
        align-items: center;
        gap: 10px;
        pointer-events: auto !important;
    }
    
    .hand-controls {
        pointer-events: auto !important;
        flex: 1 1 auto;
        overflow-x: auto;
        padding-bottom: 2px;
    }
    
    .mode-btn {
        pointer-events: auto !important;
        z-index: 100 !important;
        white-space: nowrap;
    }
    
    .tab-toggle-btn {
        pointer-events: auto !important;
        z-index: 100 !important;
        flex-shrink: 0;
        margin-left: 8px;
    }
    
    .controls-below-container {
        flex-direction: row;
        justify-content: space-between;
        gap: 15px;
        pointer-events: auto !important;
    }
    
    .control-buttons {
        justify-content: flex-start;
        pointer-events: auto !important;
        flex: 1 1 auto;
    }
    
    .control-btn {
        pointer-events: auto !important;
        z-index: 100 !important;
    }
    
    .speed-controls {
        pointer-events: auto !important;
        gap: 6px;
        flex: 1 1 48%;
    }
    
    .speed-btn {
        pointer-events: auto !important;
        z-index: 100 !important;
        padding: 8px 10px;
        font-size: 13px;
        min-width: 0;
    }
    
    .segment-btn {
        height: 46px;
        padding: 0 14px;
        font-size: 14px;
        gap: 10px;
        pointer-events: auto !important;
        z-index: 100 !important;
    }
    
    .segment-icon {
        width: 20px;
        height: 20px;
    }
    
    .play-btn {
        width: 70px;
        height: 70px;
    }
    
    .play-xl-icon {
        width: 28px;
        height: 28px;
    }
    
    /* Сплит режим для мобильных */
    .split-mode .video-element.right-hand {
        width: 35%;
        bottom: 15px;
        right: 15px;
    }
    
    .notification {
        top: 15px;
        right: 15px;
        left: 15px;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .controls-below-container {
        flex-wrap: nowrap;
        justify-content: space-between;
        gap: 10px;
    }
    
    .control-buttons {
        flex: 1 1 auto;
        justify-content: flex-start;
        gap: 8px;
    }
    
    .speed-controls {
        flex: 0 0 auto;
        margin-left: 0;
        justify-content: flex-end;
    }

    .control-btn {
        width: 44px;
        height: 44px;
    }
    
    .segment-controls {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 5px;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .segment-controls::-webkit-scrollbar {
        display: none;
    }
    
    .segment-btn {
        flex-shrink: 0;
    }
    
    .split-mode .video-element.right-hand {
        width: 40%;
        max-width: 180px;
    }
}

@media (max-width: 480px) {
    .practice-title {
        font-size: 24px;
        flex-wrap: wrap;
    }
    
    .mode-btn,
    .tab-toggle-btn {
        font-size: 12px;
        padding: 6px 10px;
    }
    
    .control-btn {
        width: 42px;
        height: 42px;
    }
    
    .play-btn {
        width: 65px;
        height: 65px;
        border-radius: 18px;
    }
    
    .play-xl-icon {
        width: 26px;
        height: 26px;
    }
    
    .segment-btn {
        height: 42px;
        font-size: 13px;
        padding: 0 12px;
    }
    
    .split-mode .video-element.right-hand {
        width: 45%;
        bottom: 12px;
        right: 12px;
        border-radius: 10px;
    }
    
    .notification {
        padding: 10px 16px;
        font-size: 13px;
    }
}

@media (max-width: 360px) {
    .controls-below-container {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .control-buttons {
        gap: 5px;
    }

    .control-btn {
        width: 40px;
        height: 40px;
    }
    
    .segment-btn {
        height: 42px;
        font-size: 13px;
        padding: 0 10px;
    }
    
    .hand-controls {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .split-mode .video-element.right-hand {
        width: 50%;
        bottom: 10px;
        right: 10px;
    }
}

/* === УЛУЧШЕНИЯ ДЛЯ МОБИЛЬНЫХ УСТРОЙСТВ === */
@media (max-width: 768px) {
    .video-wrapper {
        border-radius: 12px;
    }
    
    .riff-timeline {
        height: 24px;
        border-radius: 10px;
    }
    
    .timeline-segments {
        height: 5px;
        gap: 4px;
    }

    .control-buttons {
        gap: 8px;
    }
    
    .segment-controls {
        gap: 8px;
    }
    
    .segment-btn {
        font-size: 13px;
        height: 42px;
        padding: 0 10px;
    }
}

/* Улучшения для очень маленьких экранов */
@media (max-width: 480px) {
    .segment-controls {
        gap: 6px;
    }
    
    .controls-below-container {
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }

    .control-buttons {
        flex: 1 1 auto;
        justify-content: flex-start;
    }

    .speed-controls {
        flex: 0 0 auto;
        justify-content: flex-end;
        margin-left: 0;
    }

    .segment-btn {
        font-size: 12px;
        height: 38px;
        padding: 0 8px;
        gap: 6px;
    }
    
    .segment-icon {
        width: 16px;
        height: 16px;
    }
    
    .control-btn {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }
    
    .control-icon {
        width: 18px;
        height: 18px;
    }
}

/* В practice.css добавьте в конец файла */

/* Усиление стилей для активной кнопки */
.control-btn.active {
    background: #FFFFFF !important;
}

.control-btn.active .control-icon,
.control-btn.active .play-icon,
.control-btn.active .stop-icon {
    filter: brightness(0) saturate(100%) invert(17%) sepia(15%) saturate(1000%) hue-rotate(210deg) brightness(90%) contrast(85%) !important;
}

.play-control.active {
    background: #FFFFFF !important;
}

.play-control.active .stop-icon {
    display: block !important;
}

.play-control.active .play-icon {
    display: none !important;
}

/* ================== ДОБАВИТЬ В КОНЕЦ ФАЙЛА practice.css ================== */

/* Стили для оверлея при наведении */
.video-wrapper:hover .video-overlay:not(.hidden) {
    opacity: 1;
}

.video-wrapper .video-overlay {
    transition: opacity 0.3s ease;
}

/* Усиление стилей для активной кнопки Play/Stop */
.control-btn.active {
    background: #FFFFFF !important;
}

.control-btn.active .control-icon,
.control-btn.active .play-icon,
.control-btn.active .stop-icon {
    filter: brightness(0) saturate(100%) invert(17%) sepia(15%) saturate(1000%) hue-rotate(210deg) brightness(90%) contrast(85%) !important;
}

.play-control.active {
    background: #FFFFFF !important;
}

.play-control.active .stop-icon {
    display: block !important;
}

.play-control.active .play-icon {
    display: none !important;
}

/* Стили для большой кнопки play при наведении */
.video-overlay {
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.play-btn {
    transition: all 0.2s ease;
}

.play-btn:hover {
    transform: scale(1.1);
    background: rgba(0, 0, 0, 0.8);
}

/* Для мобильных устройств отключаем hover-эффекты */
@media (max-width: 768px) {
    .video-overlay.hidden {
        opacity: 0;
    }
    
    .video-wrapper:hover .video-overlay {
        opacity: 1;
    }
}

/* Исправление для оверлея видео */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 30;
    transition: opacity 0.3s ease;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    opacity: 1;
    cursor: pointer;
    pointer-events: auto;
}

.video-overlay.hidden {
    display: none; /* Меняем с opacity на display none */
}

/* Кнопка play в оверлее */
.play-btn {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    display: flex !important; /* Принудительно показываем */
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.play-xl-icon {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
    display: block !important; /* Принудительно показываем */
}

/* Добавь этот CSS в файл practice.css */

/* === ТАБЫ ПОВЕРХ ВИДЕО === */
.tabs-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.tabs-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.tabs-image {
    max-width: 100%;
   /*  max-height: 90%;*/
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

/* Делаем видео полупрозрачным когда табы показаны */
.tabs-overlay:not(.hidden) ~ .video-element {
    opacity: 0.3 !important;
}

/* Корректировка для split режима */
.split-mode .tabs-overlay:not(.hidden) ~ .video-element.right-hand {
    opacity: 0.3 !important;
}

/* Добавь этот CSS в конец файла practice.css */

/* Исправление для мобильной версии - кнопка Tabs всегда справа */
@media (max-width: 768px) {
    .video-top-controls {
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 10px;
    }
    
    .hand-controls {
        flex: 0 1 auto;
    }
    
    .tab-toggle-btn {
        align-self: center !important;
        margin-left: auto;
        flex-shrink: 0;
    }
}

/* Унификация размеров кнопок */
.mode-btn,
.tab-toggle-btn {
    height: 36px !important;
    padding: 0 16px !important;
    font-size: 14px !important;
    border-radius: 10px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
}

/* Стиль для активного состояния TabToggle (как у mode-btn) */
.tab-toggle-btn.active {
    color: #ffffff !important;
    border-color: transparent !important;
    background: rgba(147, 85, 229, 0.38) !important;
}

.tab-toggle-btn.active .tab-icon {
    opacity: 0.8 !important;
}

/* Practice workspace: viewing, transport, and learning each have a stable home. */
.practice-page .practice-header { margin-bottom: 20px; }
.practice-workspace { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; align-items: start; }
.practice-player { min-width: 0; }
.practice-workspace .video-top-controls,
.practice-workspace .video-wrapper,
.practice-workspace .video-controls-below,
.practice-workspace .segment-controls-container { width: 100%; max-width: 100%; }
.practice-workspace .video-top-controls { gap: 8px; flex-wrap: wrap; }
.practice-workspace .hand-controls { gap: 4px; margin-right: auto; }
.practice-workspace .lesson-mode-btn { position: static; min-height: 40px; padding: 8px 12px; }
.practice-workspace .controls-below-container { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }
.practice-workspace .control-buttons { flex: 0 0 auto; gap: 6px; }
.practice-workspace .control-btn { width: 40px; height: 40px; min-width: 40px; min-height: 40px; padding: 10px; border-radius: 10px; }
.practice-workspace .speed-controls { margin: 0; gap: 4px; }
.practice-workspace .speed-btn { height: 40px; min-width: 48px; padding: 8px; font-size: 13px; }
.practice-workspace .practice-modes { padding: 3px; }
.practice-workspace .practice-mode-btn { min-height: 34px; padding: 6px 10px; }
.practice-workspace .video-controls-below { margin-top: 8px; }
.practice-media-status { min-height: 18px; margin: 10px 0 0; color: rgba(230,234,248,.58); font-size: 11px; line-height: 1.5; }
.video-loading-detail { max-width: 420px; color: rgba(230,234,248,.65); font-size: 12px; text-align: center; line-height: 1.5; }
.practice-workspace .segment-controls-container { margin-top: 20px; }
.practice-workspace .segment-controls { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.practice-workspace .segment-btn { width: 100%; min-width: 0; height: auto; min-height: 44px; padding: 10px 12px; gap: 8px; white-space: normal; text-align: left; background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.1); color: rgba(244,247,255,.8); font-size: 12px; }
.practice-workspace .segment-btn.all-riff { grid-column: 1 / -1; }
.practice-workspace .segment-btn .segment-name { flex: 1; min-width: 0; }
.practice-workspace .segment-btn .dna-segment-meta { display: none; }
.practice-workspace .segment-btn:hover { border-color: var(--segment-color, #9355e5); }
.practice-workspace .segment-btn.active { background: rgba(147,85,229,.38) !important; border-color: transparent; color: #fff !important; }
.practice-workspace .segment-btn.active .segment-icon { filter: none !important; }
@media (min-width: 1160px) {
    .practice-workspace { grid-template-columns: minmax(0, 1.65fr) minmax(340px, 1fr); }
}
@media (max-width: 560px) {
    .practice-workspace .controls-below-container { gap: 10px 8px; }
    .practice-workspace .practice-speed-mode { order: 3; flex-basis: 100%; }
    .practice-workspace .practice-modes { display: flex; }
    .practice-workspace .practice-mode-btn { flex: 1; min-height: 38px; }
    .practice-workspace .control-btn { width: 36px; min-width: 36px; padding: 8px; }
    .practice-workspace .speed-btn { min-width: 40px; }
    .practice-workspace .mode-btn { padding: 8px 10px; }
    .practice-workspace .tab-toggle-btn { padding: 8px 10px; }
}

/* Редизайн 2026-10: крошка «← Riffs» мелко сверху, название риффа — фирменный display-шрифт */
@font-face {
    font-family: 'TT Travels Next';
    src: url('../fonts/TT_Travels_Next_Trial_Bold.ttf') format('truetype');
    font-weight: 700;
    font-display: optional;
}
.practice-header .breadcrumbs {
    gap: 12px;
    align-items: flex-start;
}
.practice-header .breadcrumb-arrow {
    margin-top: 2px;
}
.practice-header .arrow-icon {
    width: 28px;
    height: 12px;
    opacity: 0.7;
}
.practice-header .practice-title {
    flex-wrap: wrap;
    row-gap: 10px;
    column-gap: 6px;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1;
}
.practice-header .breadcrumb-link,
.practice-header .breadcrumb-separator {
    color: rgba(160, 165, 182, 0.95);
}
.practice-header .breadcrumb-current {
    flex-basis: 100%;
    opacity: 1;
    font-family: 'TT Travels Next', 'Inter', system-ui, sans-serif;
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    letter-spacing: 0.01em;
    text-transform: none;
    line-height: 1.15;
    color: rgba(244, 247, 255, 0.98);
}
/* Стрелку-картинку заменяет «←» в самой крошке — название риффа встаёт на левую вертикаль контента */
.practice-header .breadcrumb-arrow {
    display: none;
}
.practice-header .breadcrumb-link::before {
    content: '← ';
}


/* Phones: cameras and Tabs stay on one row in every language (short camera names from data-short). */
@media (max-width: 560px) {
    .practice-workspace .video-top-controls { flex-wrap: nowrap; gap: 6px; }
    .practice-workspace .hand-controls { flex: 0 1 auto; flex-direction: row; align-items: center; min-width: 0; flex-wrap: nowrap; }
    .practice-workspace .mode-btn,
    .practice-workspace .tab-toggle-btn { padding: 0 11px !important; font-size: 13px !important; white-space: nowrap; }
    .practice-workspace .mode-btn[data-short] { font-size: 0 !important; }
    .practice-workspace .mode-btn[data-short]::after { content: attr(data-short); font-size: 13px; }
    .practice-workspace .tab-toggle-btn .tab-text::after { font-size: 13px; }
}

/* Между плеером и частями отступ даёт gap сетки */
.practice-workspace .video-player-container { margin-bottom: 0; }
.practice-workspace .practice-parts .segment-controls-container { margin-top: 0; }

/* Десктоп: части колонкой справа от видео, всегда под рукой; Riff DNA — под плеером */
@media (min-width: 1160px) {
    .practice-workspace { grid-template-columns: minmax(0, 1.65fr) minmax(300px, 1fr); }
    .practice-player { grid-column: 1; grid-row: 1; }
    .practice-workspace .dna-lab { grid-column: 1; grid-row: 2; }
    .practice-parts {
        grid-column: 2; grid-row: 1 / span 2; align-self: start;
        position: sticky; top: calc(var(--height-header) + 20px);
        max-height: calc(100vh - var(--height-header) - 40px); overflow-y: auto; scrollbar-width: thin;
        padding: 14px 10px 10px; border: 1px solid rgba(255,255,255,.08); border-radius: 16px; background: #121214;
    }
    .practice-parts .segment-key { margin-bottom: 8px; padding: 0 10px; }
    .practice-parts .segment-controls { display: flex; flex-direction: column; gap: 2px; }
    .practice-parts .segment-btn { min-height: 36px; padding: 7px 10px; border-color: transparent; border-radius: 8px; background: transparent; font-size: 13px; }
    .practice-parts .segment-btn:hover { border-color: transparent; background: rgba(255,255,255,.05); }
    .practice-parts .segment-btn.active { border-color: transparent; }
    .practice-parts .segment-btn.all-riff { position: relative; margin-bottom: 9px; overflow: visible; }
    .practice-parts .segment-btn.all-riff::after { content: ''; position: absolute; left: 10px; right: 10px; bottom: -6px; height: 1px; background: rgba(255,255,255,.07); pointer-events: none; }
}

/*
 * Практика: одна система кнопок плеера (шаг 4/8, как в Radix Themes size 3).
 * Высота любого контрола 40, шрифт 14/500 (13 на телефоне), радиус кнопки 10, дорожки 12, сегмента 9.
 * Выбор одного из нескольких (камера, режим, скорость) — сегментированная дорожка;
 * отдельные действия (иконки плеера, Tabs) — самостоятельные кнопки с зазором 8.
 */
.practice-workspace .hand-controls,
.practice-workspace .speed-controls,
.practice-workspace .practice-modes {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    height: 40px;
    padding: 3px;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.035);
    box-shadow: none;
    overflow: visible;
}
.practice-workspace .hand-controls .mode-btn,
.practice-workspace .speed-controls .speed-btn,
.practice-workspace .practice-modes .practice-mode-btn {
    height: 32px !important;
    min-height: 32px;
    min-width: 0;
    padding: 0 12px !important;
    border: 0;
    border-radius: 9px !important;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    color: rgba(230, 234, 248, 0.72);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 14px !important;
    font-weight: 500;
    line-height: 1;
}
.practice-workspace .hand-controls .mode-btn:hover:not(.active),
.practice-workspace .speed-controls .speed-btn:hover:not(.active),
.practice-workspace .practice-modes .practice-mode-btn:hover:not(.active) {
    background: transparent;
    color: rgba(255, 255, 255, 0.92);
}
.practice-workspace .hand-controls .mode-btn.active,
.practice-workspace .speed-controls .speed-btn.active,
.practice-workspace .practice-modes .practice-mode-btn.active {
    background: rgba(147, 85, 229, 0.38);
    color: #ffffff;
}
.practice-workspace .hand-controls .mode-btn.active:hover,
.practice-workspace .speed-controls .speed-btn.active:hover,
.practice-workspace .practice-modes .practice-mode-btn.active:hover {
    background: rgba(147, 85, 229, 0.46);
}
.practice-workspace .tab-toggle-btn {
    height: 40px !important;
    padding: 0 14px !important;
    font-size: 14px !important;
    font-weight: 500;
}
.practice-workspace .control-buttons { gap: 8px; }
.practice-workspace .controls-below-container { gap: 12px 16px; align-items: center; }
/* Фокус только с клавиатуры, мягкий и в цвет акцента */
.practice-workspace button:focus-visible { outline: 2px solid rgba(179, 139, 255, 0.9); outline-offset: 2px; }

@media (max-width: 560px) {
    .practice-workspace .hand-controls .mode-btn,
    .practice-workspace .speed-controls .speed-btn,
    .practice-workspace .practice-modes .practice-mode-btn {
        padding: 0 10px !important;
        font-size: 13px !important;
    }
    .practice-workspace .hand-controls .mode-btn[data-short] { font-size: 0 !important; }
    .practice-workspace .tab-toggle-btn { padding: 0 12px !important; font-size: 13px !important; }
    .practice-workspace .control-buttons { gap: 6px; }
    .practice-workspace .control-btn { width: 40px; min-width: 40px; padding: 10px; }
    .practice-workspace .practice-modes { display: flex; width: 100%; }
    .practice-workspace .practice-modes .practice-mode-btn { flex: 1; }
}

/* Части риффа: пока кнопки не пришли, вместо пустой рамки — спокойный skeleton из строк */
.practice-workspace .segment-controls:not(:has(button)) {
    min-height: 196px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='44'%3E%3Crect width='100%25' height='36' rx='8' fill='white' fill-opacity='.05'/%3E%3C/svg%3E") 0 0 / 100% 44px repeat-y;
}
@media (min-width: 1160px) {
    .practice-workspace .practice-parts .segment-controls:not(:has(button)) { min-height: 216px; }
}

/* Tabs: линейный глаз (как Lucide), иконка = действие подписи: Show Tabs — глаз, Hide Tabs — перечёркнутый */
.tab-toggle-btn .tab-icon { flex-shrink: 0; color: currentColor; opacity: 0.72; }
.tab-toggle-btn .tab-icon-off { display: none; }
.tab-toggle-btn.active .tab-icon-off { display: inline; }
.tab-toggle-btn.active .tab-icon-on { display: none; }
.tab-toggle-btn:hover .tab-icon,
.tab-toggle-btn.active .tab-icon { opacity: 1 !important; }