#profile-viewer *,
#profile-viewer *::before,
#profile-viewer *::after {
    box-sizing: border-box;
}

#profile-viewer {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
    background: #fafafa;
    color: #212121;
    padding: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

#profile-viewer h1 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

#profile-viewer .summary-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-shrink: 0;
}
#profile-viewer .summary-panel {
    flex: 1;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 16px 20px;
}
#profile-viewer .summary-panel-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #9e9e9e;
    margin-bottom: 12px;
}
#profile-viewer .metric-card {
    display: inline-block;
    text-align: center;
    padding: 0 16px;
}
#profile-viewer .metric-val {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1976d2;
    line-height: 1.2;
}
#profile-viewer .metric-val.private {
    color: #f57c00;
}
#profile-viewer .metric-label {
    font-size: 0.72rem;
    color: #757575;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
#profile-viewer .summary-helper {
    font-size: 0.78rem;
    color: #9e9e9e;
    margin-top: 8px;
}
#profile-viewer .summary-secondary {
    font-size: 0.78rem;
    color: #757575;
    margin-top: 6px;
}
#profile-viewer .cost-bar {
    height: 4px;
    border-radius: 2px;
    display: flex;
    overflow: hidden;
    margin: 8px 0 4px;
}
#profile-viewer .cost-bar-pub { background: #1976d2; }
#profile-viewer .cost-bar-priv { background: #f57c00; }

/* controls */
#profile-viewer .hist-toolbar {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: flex-start;
    font-size: 0.82rem;
    padding: 8px 0 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid #e0e0e0;
    flex-shrink: 0;
}
#profile-viewer .hist-toolbar label {
    cursor: pointer;
}
#profile-viewer .control-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: opacity 0.15s;
}
#profile-viewer .control-group .control-options {
    display: flex;
    gap: 8px;
    align-items: center;
}
#profile-viewer .control-group.disabled,
#profile-viewer .disabled {
    opacity: 0.25;
    pointer-events: none;
}
#profile-viewer .control-group-label {
    font-weight: 600;
    color: #616161;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
#profile-viewer .hist-toolbar .sep {
    width: 1px;
    height: 40px;
    background: #e0e0e0;
    align-self: center;
}

/* histogram */
#profile-viewer .hist-row {
    display: flex;
    align-items: center;
    height: 22px;
    font-size: 0.82rem;
}
#profile-viewer .hist-name {
    width: 105px;
    min-width: 105px;
    text-align: left;
    padding-right: 10px;
    color: #424242;
    font-weight: 500;
    white-space: nowrap;
}
#profile-viewer .hist-bar-wrap {
    flex: 1;
    display: flex;
    align-items: center;
}
#profile-viewer .hist-bar {
    height: 16px;
    min-width: 2px;
    transition: width 0.3s;
}
#profile-viewer .hist-bar:first-child {
    border-radius: 3px 0 0 3px;
}
#profile-viewer .hist-bar:last-of-type {
    border-radius: 0 3px 3px 0;
}
#profile-viewer .hist-bar:only-of-type {
    border-radius: 3px;
}
#profile-viewer .hist-count {
    margin-left: 6px;
    font-size: 0.78rem;
    color: #757575;
    min-width: 40px;
}
#profile-viewer .hist-bar.public {
    background: #1976d2;
}
#profile-viewer .hist-bar.private {
    background: #f57c00;
}
#profile-viewer .hist-section {
    margin-bottom: 16px;
}
#profile-viewer .hist-section h3 {
    font-size: 0.9rem;
    color: #616161;
    margin-bottom: 8px;
}

/* tooltip */
#profile-viewer .help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #e0e0e0;
    color: #616161;
    font-size: 0.65rem;
    font-weight: 700;
    cursor: help;
    vertical-align: middle;
    margin-left: 4px;
}
#profile-viewer #cost-tooltip {
    display: none;
    position: fixed;
    width: 280px;
    background: #424242;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 400;
    line-height: 1.45;
    padding: 10px 12px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    z-index: 2000;
    pointer-events: none;
}

/* sections */
#profile-viewer .pv-section {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
}

#profile-viewer #content {
    display: none;
    flex-direction: column;
    min-height: 600px;
}
#profile-viewer #content.visible {
    display: flex;
}