/* Sidebar container: only overlays when open */
#dev-insights-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 0;
    z-index: 9999;
    pointer-events: none; /* Only children are clickable */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Toggle button: floating icon in lower right */
#dev-insights-toggle-btn {
    position: fixed;
    right: 2px;
    bottom: 52px;
    width: 44px;
    height: 44px;
    background: var(--dev-panel-accent);
    color: var(--dev-panel-bg);
    /*border: none;*/
    cursor: pointer;
    font-size: 26px;
    outline: none;
    border-radius: 50%;
    box-shadow: 0 4px 20px var(--dev-panel-shadow);
    z-index: 10001;
    pointer-events: auto;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid var(--dev-panel-border);
}

/* Main panel: overlays from the right when open */
#dev-insights-panel {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 340px;
    height: 89vh;
    background: var(--dev-panel-bg);
    color: var(--dev-panel-text);
    font-size: 14px;
    font-family: 'Fira Mono', 'Consolas', monospace;
    box-shadow: -4px 0 20px var(--dev-panel-shadow);
    border-left: 1px solid var(--dev-panel-border);
    /*padding: 18px 18px 18px 18px;*/
    padding: 0;
    overflow-y: auto;
    z-index: 10000;
    pointer-events: auto;
    backdrop-filter: blur(20px);
}

#dev-insights-sidebar.open #dev-insights-panel {
    /*display: block;*/
    display: flex;
    flex-direction: column;
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#dev-insights-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px var(--dev-panel-shadow);
    background: var(--dev-panel-secondary);
}

#dev-insights-toggle-btn:active {
    transform: scale(0.95);
}

/* Hide scrollbar for aesthetics */
#dev-insights-panel::-webkit-scrollbar {
    width: 6px;
    background: #222;
}
#dev-insights-panel::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}


@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ===== PANEL HEADER ===== */
.dev-panel-header {
    background: var(--dev-panel-card-bg);
    border-bottom: 1px solid var(--dev-panel-border);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(10px);
}

.dev-panel-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--dev-panel-accent);
    display: flex;
    align-items: center;
    gap: 8px;
}

.dev-panel-close {
    background: none;
    border: none;
    color: var(--dev-panel-text);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.dev-panel-close:hover {
    background: var(--dev-panel-card-bg);
    color: var(--dev-panel-error);
}

/* ===== PANEL CONTENT ===== */
.dev-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    scrollbar-width: thin;
    scrollbar-color: var(--dev-panel-scrollbar-thumb) var(--dev-panel-scrollbar);
}

.dev-panel-content::-webkit-scrollbar {
    width: 8px;
}

.dev-panel-content::-webkit-scrollbar-track {
    background: var(--dev-panel-scrollbar);
    border-radius: 4px;
}

.dev-panel-content::-webkit-scrollbar-thumb {
    background: var(--dev-panel-scrollbar-thumb);
    border-radius: 4px;
}

.dev-panel-content::-webkit-scrollbar-thumb:hover {
    background: var(--dev-panel-accent);
}

/* ===== METRIC CARDS ===== */
.metric-card {
    background: var(--dev-panel-card-bg);
    border: 1px solid var(--dev-panel-card-border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.metric-card:hover {
    border-color: var(--dev-panel-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--dev-panel-shadow);
}

.metric-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.metric-title {
    font-weight: bold;
    color: var(--dev-panel-accent);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
}

.metric-value {
    font-size: 16px;
    font-style: italic ;
    color: var(--dev-panel-secondary);
}

.metric-description {
    color: var(--dev-panel-text);
    opacity: 0.8;
    font-size: 12px;
    margin-top: 8px;
    line-height: 1.4;
}

/* ===== PROGRESS BARS ===== */
.progress-container {
    margin: 12px 0;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--dev-panel-card-border);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.progress-excellent { background: var(--dev-panel-success); }
.progress-good { background: var(--dev-panel-secondary); }
.progress-fair { background: var(--dev-panel-warning); }
.progress-poor { background: var(--dev-panel-error); }

/* ===== EXECUTION FLOW VISUALIZATION ===== */
.execution-flow {
    background: var(--dev-panel-card-bg);
    border-radius: 8px;
    padding: 12px;
    margin: 12px 0;
}

.flow-step {
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-left: 2px solid var(--dev-panel-accent);
    padding-left: 12px;
    margin-left: 8px;
    position: relative;
}

.flow-step::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: var(--dev-panel-accent);
    border-radius: 50%;
}

.flow-step-time {
    color: var(--dev-panel-secondary);
    font-size: 12px;
    margin-left: auto;
}

/* ===== COMPLEXITY VISUALIZATION ===== */
.complexity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin: 12px 0;
}

.complexity-item {
    background: var(--dev-panel-metric-bg);
    border: 1px solid var(--dev-panel-metric-border);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    transition: all 0.2s ease;
}

.complexity-item:hover {
    transform: scale(1.05);
    border-color: var(--dev-panel-accent);
}

.complexity-number {
    font-size: 18px;
    font-weight: bold;
    color: var(--dev-panel-accent);
}

.complexity-label {
    font-size: 11px;
    color: var(--dev-panel-text);
    opacity: 0.8;
    margin-top: 4px;
}

/* ===== OPTIMIZATION TIPS ===== */
.optimization-tips {
    background: var(--dev-panel-card-bg);
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
}

.tip-item {
    display: flex;
    align-items: flex-start;
    padding: 8px 0;
    border-bottom: 1px solid var(--dev-panel-card-border);
}

.tip-item:last-child {
    border-bottom: none;
}

.tip-icon {
    margin-right: 8px;
    font-size: 16px;
}

.tip-text {
    flex: 1;
    font-size: 13px;
    line-height: 1.4;
}

/* ===== MEMORY USAGE CHART ===== */
.memory-chart {
    height: 60px;
    background: var(--dev-panel-card-bg);
    border-radius: 8px;
    padding: 12px;
    margin: 12px 0;
    position: relative;
    overflow: hidden;
}

.memory-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--dev-panel-success), var(--dev-panel-warning), var(--dev-panel-error));
    border-radius: 4px;
    position: relative;
}


/* Tooltip Styles */
.tooltip-container {
    position: relative;
    display: inline-block;
    margin-left: 4px;
}

.info-icon {
    font-size: 12px;
    color: var(--dev-panel-secondary);
    cursor: help;
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--dev-panel-bg-tertiary);
    transition: all 0.2s ease;
}

.info-icon:hover {
    background: var(--dev-panel-accent);
    color: white;
}

.tooltip {
    visibility: hidden;
    width: 200px;
    background-color: var(--dev-panel-bg-secondary);
    color: var(--dev-panel-text);
    text-align: left;
    border-radius: 6px;
    padding: 8px 12px;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 12px;
    line-height: 1.4;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--dev-panel-border);
    pointer-events: none;
}

.tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--dev-panel-bg-secondary) transparent transparent transparent;
}

.tooltip-container:hover .tooltip {
    visibility: visible;
    opacity: 1;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    #dev-insights-panel {
        width: 100vw;
        right: 0;
    }

    #dev-insights-toggle-btn {
        right: 20px;
        bottom: 80px;
    }

    .complexity-grid {
        /*grid-template-columns: repeat(2, 1fr);*/
        grid-template-columns: 1fr;
    }
    .tooltip {
        width: 160px;
        font-size: 11px;
    }
}

/* ===== ANIMATIONS ===== */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ===== LOADING STATES ===== */
.loading-skeleton {
    background: linear-gradient(90deg, var(--dev-panel-card-bg) 25%, var(--dev-panel-card-border) 50%, var(--dev-panel-card-bg) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
    height: 20px;
    margin: 8px 0;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}