/* ========================================
           KOMPAKTNÍ INDIKÁTOR (vpravo dole)
           ======================================== */
        #perfMode {
    position: absolute;           /* ZMĚNA: Teď se bude hýbat se stránkou */
    top: 85px;                    /* 30px od vrchu stránky */
    left: 50%;                    /* Střed */
    transform: translateX(-50%);  /* Centrování */
    
    background: rgba(0, 20, 40, 0.95);
    color: #00ff00;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.85em;
    font-family: 'Courier New', monospace;
    z-index: 9998;
    border: 1px solid #00ff00;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

        #perfMode:hover {
    background: rgba(0, 40, 80, 0.95);
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.5);
    /* Musíme zachovat translateX(-50%) a k tomu přidat scale */
    transform: translateX(-50%) scale(1.05); 
}

#perfMode:active {
    /* I tady musíme držet střed */
    transform: translateX(-50%) scale(0.98);
}

        #perfMode.warning {
            border-color: #ffaa00;
            color: #ffaa00;
            box-shadow: 0 0 10px rgba(255, 170, 0, 0.3);
        }

        #perfMode.error {
            border-color: #ff3333;
            color: #ff3333;
            box-shadow: 0 0 10px rgba(255, 51, 51, 0.3);
        }

        /* ========================================
           MODAL OVERLAY
           ======================================== */
        #perfDashboardModal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.85);
            z-index: 9999;
            justify-content: center;
            align-items: center;
             
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        #perfDashboardModal.active {
            display: flex;
            opacity: 1;
        }

        /* ========================================
           DASHBOARD PANEL
           ======================================== */
        .perf-dashboard {
            background: linear-gradient(135deg, rgba(10, 25, 50, 0.98), rgba(15, 35, 65, 0.98));
            border: 2px solid #00ffff;
            border-radius: 15px;
            padding: 25px;
            width: 90%;
            max-width: 700px;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
            font-family: 'Courier New', monospace;
            color: #00ffff;
            transform: scale(0.9);
            transition: transform 0.3s ease;
        }

        #perfDashboardModal.active .perf-dashboard {
            transform: scale(1);
        }

        .perf-dashboard h2 {
            margin: 0 0 20px 0;
            color: #FF7800;
            text-align: center;
            font-size: 1.8em;
            letter-spacing: 2px;
            text-shadow: 0 0 10px rgba(255, 120, 0, 0.6);
        }

        .perf-metric-group {
            background: rgba(0, 20, 40, 0.6);
            border: 1px solid rgba(0, 255, 255, 0.3);
            border-radius: 10px;
            padding: 15px;
            margin-bottom: 15px;
        }

        .perf-metric-group h3 {
            margin: 0 0 10px 0;
            color: #00ffff;
            font-size: 1.2em;
            border-bottom: 1px solid rgba(0, 255, 255, 0.3);
            padding-bottom: 5px;
        }

        .perf-metric {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            font-size: 0.95em;
        }

        .perf-metric-label {
            color: #88ddff;
            font-weight: bold;
        }

        .perf-metric-value {
            color: #00ff00;
            font-weight: bold;
            font-size: 1.1em;
        }

        .perf-metric-value.warning {
            color: #ffaa00;
        }

        .perf-metric-value.error {
            color: #ff3333;
        }

        /* PROGRESS BAR */
        .progress-bar {
            width: 100%;
            height: 8px;
            background: rgba(0, 0, 0, 0.4);
            border-radius: 4px;
            overflow: hidden;
            margin-top: 5px;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #00ff00, #00aa00);
            transition: width 0.3s ease;
        }

        .progress-fill.warning {
            background: linear-gradient(90deg, #ffaa00, #ff8800);
        }

        .progress-fill.error {
            background: linear-gradient(90deg, #ff3333, #cc0000);
        }

        /* MINI GRAF (Sparkline) */
        .sparkline {
            display: flex;
            align-items: flex-end;
            height: 40px;
            gap: 2px;
            margin-top: 8px;
        }

        .sparkline-bar {
            flex: 1;
            background: linear-gradient(to top, #00ff00, #00aa00);
            min-width: 3px;
            border-radius: 2px 2px 0 0;
            transition: height 0.2s ease;
        }

        .sparkline-bar.warning {
            background: linear-gradient(to top, #ffaa00, #ff8800);
        }

        .sparkline-bar.error {
            background: linear-gradient(to top, #ff3333, #cc0000);
        }

        /* TLAČÍTKA */
        .perf-actions {
            display: flex;
            gap: 10px;
            margin-top: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .perf-btn {
            background: rgba(0, 150, 150, 0.6);
            color: #fff;
            border: 1px solid rgba(0, 255, 255, 0.5);
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 0.9em;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: 'Courier New', monospace;
        }

        .perf-btn:hover {
            background: rgba(0, 180, 180, 0.8);
            box-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
        }

        .perf-btn:active {
            transform: scale(0.98);
        }

        .perf-btn.danger {
            background: rgba(180, 50, 50, 0.6);
            border-color: rgba(255, 100, 100, 0.5);
        }

        .perf-btn.danger:hover {
            background: rgba(200, 70, 70, 0.8);
        }

        /* RESPONSIVE */
        @media (max-width: 768px) {
            .perf-dashboard {
                width: 95%;
                padding: 20px;
            }

            .perf-dashboard h2 {
                font-size: 1.4em;
            }

            .perf-metric {
                flex-direction: column;
                align-items: flex-start;
                gap: 5px;
            }

            #perfMode {
                font-size: 0.75em;
                padding: 6px 10px;
                width: 60%;
                top: 50px;
            }
        }

        /* SCROLLBAR STYLING */
        .perf-dashboard::-webkit-scrollbar {
            width: 8px;
        }

        .perf-dashboard::-webkit-scrollbar-track {
            background: rgba(0, 0, 0, 0.3);
            border-radius: 10px;
        }

        .perf-dashboard::-webkit-scrollbar-thumb {
            background: rgba(0, 255, 255, 0.4);
            border-radius: 10px;
        }

        .perf-dashboard::-webkit-scrollbar-thumb:hover {
            background: rgba(0, 255, 255, 0.6);
        }


/* ============================================================
   🚀 PERFORMANCE ULTRA-FIX PRO MONITOR (perfMode.css)
   Vypne rozmazání samotného dashboardu na mobilech
   ============================================================ */
@media (max-width: 768px) {
    /* 1. Malý indikátor vpravo dole */
    #perfMode {
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
        /* Plná tmavá barva místo poloprůhledné */
        background: rgba(0, 20, 40, 1) !important;
        box-shadow: 0 0 5px rgba(0, 255, 0, 0.5) !important;
    }

    /* 2. Pozadí celého modálního okna (když otevřeš dashboard) */
    #perfDashboardModal {
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
        /* Tmavší pozadí pro lepší kontrast */
        background: rgba(0, 0, 0, 0.95) !important;
    }

    /* 3. Samotný panel dashboardu */
    .perf-dashboard {
        /* Ujistíme se, že je neprůhledný */
        background: #0a1932 !important; 
        border: 1px solid #00ffff !important;
    }
}