/* ========================================= */
/* 🏋️ BARBELL TRACKER (OPTIMIZED V3.1)      */
/* ========================================= */

#screen-tracker {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100vw !important;
    height: 100dvh !important; /* Используем dvh для корректной работы на мобильных */
    background: #000;
    z-index: 9999;
    display: none;
    flex-direction: column;
    overflow: hidden;
    /* --- КРИТИЧЕСКИЕ ИСПРАВЛЕНИЯ МАСШТАБА --- */
    /* 1. Игнорируем глобальный zoom родителя (#app) */
    zoom: 1 !important;
    /* 2. Сбрасываем возможные трансформации */
    transform: none !important;
    /* 3. Фиксируем размер шрифта, чтобы UI трекера не "раздувало" 
          от глобальных настроек текста */
    font-size: 16px !important;
    /* 4. Сбрасываем отступы, если они наследуются */
    margin: 0 !important;
    padding: 0 !important;
    /* 5. Сбрасываем наследование переменных масштаба (на всякий случай) */
    --app-scale: 1;
}

    #screen-tracker.active {
        display: flex !important;
    }

/* --- VIEWPORT & LAYERS --- */
.tracker-viewport {
    position: relative;
    width: 100%;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    overflow: hidden;
    isolation: isolate; /* Creates a new stacking context to prevent leaks */
}

#tracker-video-preview, #tracker-canvas-layer {
    position: absolute;
    object-fit: contain;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* Centers elements perfectly */
}

#tracker-video-preview {
    z-index: 0 !important; /* Video is always at the bottom */
}

#tracker-canvas-layer {
    z-index: 10 !important; /* Canvas is above video */
    background: transparent !important; /* Ensures transparency */
    pointer-events: auto !important; /* Lets clicks pass through to UI layer */
}

/* UI LAYER */
#tracker-ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 20 !important; /* UI is above everything */
    pointer-events: none; /* Pass clicks through mostly */
}

/* Elements that must accept clicks inside UI Layer */
.tracker-upload-state, .tracker-header-bar, .tracker-bottom-bar,
.tracker-glass-panel, #tracker-controls-area, #tracker-selection-ring,
.trk-icon-btn, .tracker-close-btn,
#modal-ghost-select {
    pointer-events: auto !important;
}

/* --- SELECTION RING --- */
#tracker-selection-ring {
    position: absolute;
    border: 3px solid #00E676;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 2000px rgba(0,0,0,0.7);
    cursor: grab;
    z-index: 20;
    display: none;
}

    #tracker-selection-ring:active {
        cursor: grabbing;
        border-color: #fff;
    }

/* --- UPLOAD SCREEN --- */
.tracker-upload-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #fff;
    gap: 20px;
    z-index: 50;
    background: #000;
    position: absolute;
    width: 100%;
}

.tracker-upload-btn {
    background: var(--primary-gradient);
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: bold;
    border: none;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

/* --- HEADER BAR --- */
.tracker-header-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    padding-top: max(15px, env(safe-area-inset-top));
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent);
    z-index: 100;
}

.tracker-header-left, .tracker-header-right {
    display: flex;
    gap: 10px;
}

.trk-icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(5px);
    transition: 0.2s;
}

    .trk-icon-btn:active {
        transform: scale(0.95);
    }

    .trk-icon-btn.highlight {
        background: #00E676;
        color: black;
        border-color: #00E676;
        box-shadow: 0 0 15px rgba(0, 230, 118, 0.4);
    }

/* Global Close Button */
.tracker-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(0,0,0,0.5);
    border-radius: 50%;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
}

/* --- SETTINGS PANEL (GLASS) --- */
#tracker-settings-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: max(30px, env(safe-area-inset-bottom));
    z-index: 80;
    pointer-events: none;
}

.tracker-glass-panel {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 20px 20px 25px 20px;
    margin: 15px;
    padding-right: 50px;
    position: relative;
    pointer-events: auto;
}

.set-label {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    margin-bottom: 8px;
    display: block;
}

.set-val {
    float: right;
    color: #00E676;
    font-size: 12px;
    font-weight: bold;
}

.setting-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 15px 0;
}

/* --- CLEAN DUAL SLIDER --- */
.dual-range-container {
    position: relative;
    width: 100%;
    height: 30px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.range-track-bg {
    position: absolute;
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.15);
    border-radius: 2px;
    z-index: 1;
    top: 50%;
    transform: translateY(-50%);
}

.range-track-fill {
    position: absolute;
    height: 4px;
    background: #00E676;
    z-index: 2;
    box-shadow: 0 0 10px rgba(0, 230, 118, 0.4);
    top: 50%;
    transform: translateY(-50%);
}

.dual-range-container input[type="range"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    pointer-events: none !important;
    -webkit-appearance: none;
    background: transparent !important;
    z-index: 5;
}

    .dual-range-container input[type="range"]::-webkit-slider-thumb {
        pointer-events: auto !important;
        -webkit-appearance: none;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: #00E676;
        border: 3px solid #18181b;
        box-shadow: 0 2px 6px rgba(0,0,0,0.5);
        cursor: grab;
        z-index: 10;
        position: relative;
    }

    .dual-range-container input[type="range"]::-moz-range-thumb {
        pointer-events: auto !important;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: #00E676;
        border: 3px solid #18181b;
        box-shadow: 0 2px 6px rgba(0,0,0,0.5);
        cursor: grab;
        z-index: 10;
        position: relative;
    }

/* Standard Sliders */
.tracker-glass-panel input[type=range]:not(.dual-input) {
    -webkit-appearance: none;
    width: 100%;
    background: rgba(255,255,255,0.15);
    height: 4px;
    border-radius: 2px;
    margin: 10px 0 20px 0;
}

    .tracker-glass-panel input[type=range]:not(.dual-input)::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background: #fff;
        box-shadow: 0 2px 5px rgba(0,0,0,0.5);
    }

/* --- BUTTONS --- */
#btn-track-start {
    position: absolute;
    bottom: max(30px, env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    background: #00E676;
    color: #000;
    border: none;
    font-weight: 800;
    padding: 16px 40px;
    border-radius: 30px;
    font-size: 14px;
    box-shadow: 0 0 25px rgba(0, 230, 118, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    z-index: 1001 !important;
    cursor: pointer;
    pointer-events: auto !important;
    width: 80%;
    bottom: max(30px, env(safe-area-inset-bottom)) !important;
    /* Если вдруг родительский контейнер съехал, фиксируем кнопку относительно окна */
    position: fixed !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
}

    #btn-track-start:active {
        transform: translateX(-50%) scale(0.95) !important;
    }

/* --- RESULT MODE UI --- */
.tracker-bottom-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    padding-bottom: max(20px, env(safe-area-inset-bottom));
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 100;
    pointer-events: auto;
}

.trk-play-mini {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.tracker-full-seek {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: rgba(255,255,255,0.3);
    appearance: none;
    cursor: pointer;
}

    .tracker-full-seek::-webkit-slider-thumb {
        appearance: none;
        width: 16px;
        height: 16px;
        background: #00E676;
        border-radius: 50%;
        border: 2px solid white;
    }

.trk-time-lbl {
    font-size: 11px;
    font-weight: bold;
    color: rgba(255,255,255,0.8);
    width: 40px;
    text-align: center;
}

/* --- GHOST & MODALS --- */
#modal-ghost-select .bottom-sheet-card {
    background: #18181b;
    border-color: rgba(255,255,255,0.1);
}

.ghost-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    cursor: pointer;
    transition: 0.2s;
    color: white;
    border: 1px solid transparent;
}

    .ghost-item.active {
        border-color: #00E676;
        background: rgba(0, 230, 118, 0.1);
    }

.ghost-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #333;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- LOADING --- */
#tracker-processing-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 10000;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#tracker-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 4px;
    background: #00E676;
    width: 0%;
    z-index: 200;
    transition: width 0.1s linear;
}

/* --- LOGIC STATES --- */
/* Hide Global Close Button in Result Mode */
#screen-tracker.tracker-state-result .tracker-close-btn {
    display: none !important;
}
/* Hide Settings Panel in Result Mode */
#screen-tracker.tracker-state-result #tracker-settings-overlay {
    display: none !important;
}

/* --- FULLSCREEN FIXES --- */
/* Когда трекер активен, скрываем глобальную шапку и меню приложения */
body.timer-fullscreen-mode #top-bar,
body.timer-fullscreen-mode #nav-bar {
    display: none !important;
}

/* Убираем отступы у главного контейнера приложения, чтобы трекер не съезжал */
body.timer-fullscreen-mode #app {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

/* Гарантируем, что вьюпорт принимает клики */
.tracker-viewport {
    pointer-events: auto !important;
    touch-action: none; /* Запрет системных жестов внутри зоны трекинга */
}